Compare commits

..

17 Commits

Author SHA1 Message Date
deadprogram b6b5668945 examples: correct missing const for lora atcmd
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 19:13:18 +01:00
deadprogram 24b6f0f296 examples: use shorter names for Lora radio functions
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 18:51:03 +01:00
deadprogram 38ba7772e2 sx126x, sx127x: remove extra Lora in functions to avoid stuttering
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 17:17:05 +01:00
deadprogram 6df6bf4880 examples: add SEND/RECV to lora at-cmd for LoRa P2P/P2MP (not LoRaWAN) testing
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:31:25 +01:00
deadprogram 8cfe5ebc4a examples: lora atcmd minimal rx and tx
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:31:25 +01:00
deadprogram f098853465 examples: add minimal README to at-cmd
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:31:25 +01:00
deadprogram dc953b09b6 examples: lora atcmd compiled for simulator, sx126x, and sx127x
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:31:25 +01:00
deadprogram 59ff8a4585 examples: further work on at-lora
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:31:25 +01:00
deadprogram 125d8b6530 examples: WIP on adding LoRa AT command set implementation
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:31:25 +01:00
deadprogram 1832e40f4d sx127x: correct header type implicit/explcit as they were reversed
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-08 14:30:55 +01:00
deadprogram 9af4640788 sx126x: add Reset() and needed pin
Signed-off-by: deadprogram <ron@hybridgroup.com>
2023-01-06 14:15:38 +01:00
deadprogram 65677a3836 sx127x: lora rx/tx example working, now assumes pybadge+featherwing
Signed-off-by: deadprogram <ron@hybridgroup.com>
2022-12-30 10:09:47 +01:00
deadprogram f67130b52d lora: created shared RadioEvent
Signed-off-by: deadprogram <ron@hybridgroup.com>
2022-12-30 10:09:47 +01:00
deadprogram d94003bd3a lora: move shared config for sx126x/sx127x to single package
Signed-off-by: deadprogram <ron@hybridgroup.com>
2022-12-30 10:09:47 +01:00
Olivier Fauchon a421318a4d sx127x: Ajout du support d'interruptions RXTimeout (DIO1) 2022-12-23 11:07:55 +01:00
Olivier Fauchon deb22c4a57 sx127x: Major cleanup/rewrite, and tests pass with lorawan stack tests 2022-12-23 11:07:55 +01:00
Olivier Fauchon 67d2af5d45 sx127x: Driver for Semtech sx127x radio modules
This first version of the driver has been tested with BB-FRM9x module
2022-12-23 11:07:55 +01:00
142 changed files with 2241 additions and 6177 deletions
+2 -5
View File
@@ -11,13 +11,10 @@ on:
jobs:
build:
runs-on: ubuntu-latest
container: ghcr.io/tinygo-org/tinygo-dev
container: tinygo/tinygo-dev
steps:
- name: Work around CVE-2022-24765
# We're not on a multi-user machine, so this is safe.
run: git config --global --add safe.directory "$GITHUB_WORKSPACE"
- name: Checkout
uses: actions/checkout@v3
uses: actions/checkout@v2
- name: TinyGo version check
run: tinygo version
- name: Enforce Go Formatted Code
-156
View File
@@ -1,159 +1,3 @@
0.25.0
---
- **core**
- add Sensor interface and Measurement type
- **delay**
- add new package for cycle-accurate delays
- **new devices**
- **AS560x**
- Add support for ams AS560x on-axis magnetic rotary position sensors
- **onewire**
- first implementation of 1-wire protocol (#505)
- **mpu6886**
- initial implementation
- **ttp229**
- initial support for ttp229 (BSF)
- **enhancements**
- **gps**
- make the date available in addition to the time (#532)
- **i2csoft**
- use cycle counting for delays
- **ili9341**
- add EnableTEOutput to be able to sync drawing with VSYNC
- add sleep mode
- unify rotation support
- **st7735**
- add DrawRGBBitmap8 method to draw raw RGB565 buffers
- add sleep mode
- unify rotation support
- **st7789**
- added DrawRGBBitmap8 (same as ili9341 & st7735)
- allow changing the color format using COLMOD
- make it possible to configure gamma
- support the chip select pin
- update saved rotation in SetRotation
- add sleep mode
- unify rotation support
- **sx126x/sx127x**
- Reduce spi buffer size, add missing select when using channels
- Remove heap alloc in interrupt, add non blocking channel send/receive, and other cleanups
- **wifinina**
- add generated strings, improved debugging system and messages
- add ResetIsHigh to control the behavior of the RESET pin for boards like the Arduino MKR 1010
- only add generated strings when using wifidebug tag
- **bugfixes**
- **ds3231**
- Document incorrect leap year 2100
- Fix negative temperature conversion
- **ili9341**
- fix Size() for mirrored rotation
- **st7789**
- avoid heap allocations after the driver is created
- **net**
- Revert "(#501) make IP.String() method return something sensible"
- **wifinina**
- small timing adjustments in Configure() to better ensure device reset
- **examples**
- **sdcard**
- remove tinyfs example and replace with link to tinyfs repo in docs
- **wifinina**
- improve connectToAP() and other needed minor corrections
- **build**
- switch to ghcr.io for docker container
- run smoke tests in parallel
- **Makefile**
- add XTENSA=0 flag to skip Xtensa tests
- remove AVR=0 flag
- **docs**
- remove full list of devices from README, better to keep it on the tinygo.org site
- update LICENSE year
0.24.0
---
- **new devices**
- **lora**
- created shared RadioEvent
- move shared config for sx126x/sx127x to single package
- **lorawan**
- add initial LoRaWAN stack support
- Basic implementation of Lorawan Regional Settings and EU868/AU915 regions
- **qmi8658c**
- Add support for the QMI8658C sensor (#467)
- **sh1106**
- add support for SH1106 display driver
- **sx127x**
- Driver for Semtech sx127x radio modules
- **enhancements**
- **bme280**
- improve config support
- add ReadAltitude() function copied from BMP280 driver
- **buzzer**
- make all note durations float64
- no tone during rest
- **dht22**
- update DHT22 receive to use runtime/interrupt
- **gps**
- add support for GLL sentence type, add original sentence to gps errors
- improve error handling
- improve parsing and add tests to verify
- **microbitmatrix**
- add link to schema for microbit V2
- add smoke test for microbitmatrix with microbit-v2
- add support for brightness of led pixels
- harmonize v1 and v2 implementation
- move Size() to version agnostic part
- **mpu6050**
- add functions to configure clock, and scaling for accelerometer and gyroscope
- **net/http**
- add PostForm()
- **sx126x**
- add Reset() and needed pin
- move RadioController into separate file for clarity
- pre-define all errors to avoid heap allocations
- refactor to RadioController interface to more easily handle non-STM32WL boards and remove duplicated code
- **vl53l1x**
- Add getter for the effective SPAD count
- **wifinina**
- add support for http server (#480)
- **bugfixes**
- **lsm303agr**
- fix I2C address auto increment for multi data read
- **net**
- (#501) make IP.String() method return something sensible
- **mpu6050**
- return I2C error when configuring fails
- **sx126x**
- fix in SetBandwidth function
- actually set the frequency when calling SetFrequency()
- correct RX/TX pin mapping for TheThingsIndustries GNSE board
- **examples**
- **LoRaWAN**
- example with LoRaWAN AT command set implementation
- basic example
- update all remaining examples for refactored API
- **sx126x**
- fix bandwidth,tx power in lora//lora_continuous example
- **sx127x**
- rx/tx example
- **build**
- remove older format build tags
- update to actions/checkout@v3
- work around for CVE-2022-24765
0.23.0
---
- **new devices**
+1 -1
View File
@@ -1,4 +1,4 @@
Copyright (c) 2018-2023 The TinyGo Authors. All rights reserved.
Copyright (c) 2018-2022 The TinyGo Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
+240 -3
View File
@@ -7,11 +7,248 @@ FMT_PATHS = ./
fmt-check:
@unformatted=$$(gofmt -l $(FMT_PATHS)); [ -z "$$unformatted" ] && exit 0; echo "Unformatted:"; for fn in $$unformatted; do echo " $$fn"; done; exit 1
XTENSA ?= 1
smoke-test:
@mkdir -p build
@go run ./smoketest.go -xtensa=$(XTENSA) smoketest.sh
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adt7410/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/adxl345/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/amg88xx
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/apa102/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/apds9960/proximity/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/apa102/itsybitsy-m0/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/at24cx/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bh1750/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/blinkm/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmi160/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp180/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/bmp280/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bmp388/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/sram/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=bluepill ./examples/ds1307/time/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/ds3231/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/easystepper/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/espat/espconsole/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/espat/esphub/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/espat/espstation/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/flash/console/spi
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/flash/console/qspi
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/gc9a01/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/i2c/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/gps/uart/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/hcsr04/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hd44780/customchar/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hd44780/text/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/hd44780i2c/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/hts221/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/hub75/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/basic
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=xiao ./examples/ili9341/basic
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/pyportal_boing
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/scroll
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=xiao ./examples/ili9341/scroll
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/ili9341/slideshow
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis3dh/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=nano-33-ble ./examples/lps22hb/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/lsm303agr/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/lsm6ds3/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mag3110/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp23017-multiple/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp3008/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mcp2515/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/microbitmatrix/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit-v2 ./examples/microbitmatrix/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mma8653/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/mpu6050/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=p1am-100 ./examples/p1am/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pico ./examples/pca9685/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setbuffer/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/pcd8544/setpixel/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino ./examples/servo
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pybadge ./examples/shifter/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/sht3x/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/shtc3/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/i2c_128x32/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1306/spi_128x64/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/ssd1331/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7735/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/st7789/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/thermistor/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-bluefruit ./examples/tone
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/tm1637/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/fourwire/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pyportal ./examples/touch/resistive/pyportal_touchpaint/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl53l1x/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=itsybitsy-m0 ./examples/vl6180x/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd2in13x/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=microbit ./examples/waveshare-epd/epd4in2/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/ntpclient/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/udpstation/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/tcpclient/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/wifinina/webclient/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/ws2812
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.bin -target=m5stamp-c3 ./examples/ws2812
@md5sum ./build/test.bin
tinygo build -size short -o ./build/test.hex -target=feather-nrf52840 ./examples/is31fl3731/main.go
@md5sum ./build/test.hex
ifneq ($(AVR), 0)
tinygo build -size short -o ./build/test.hex -target=arduino ./examples/ws2812
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=digispark ./examples/ws2812
@md5sum ./build/test.hex
endif
tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bme280/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/microphone/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/buzzer/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/veml6070/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l293x/simple/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l293x/speed/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l9110x/simple/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/l9110x/speed/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=nucleo-f103rb ./examples/shiftregister/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=hifive1b ./examples/ssd1351/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/lis2mdl/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=arduino-nano33 ./examples/max72xx/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/dht/main.go
@md5sum ./build/test.hex
# tinygo build -size short -o ./build/test.hex -target=arduino ./examples/keypad4x4/main.go
# @md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/alarm/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/clkout/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/time/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=xiao ./examples/pcf8563/timer/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=pico ./examples/qmi8658c/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m0 ./examples/ina260/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=nucleo-l432kc ./examples/aht20/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m4 ./examples/sdcard/console/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m4 ./examples/sdcard/tinyfs/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=wioterminal ./examples/rtl8720dn/webclient/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=wioterminal ./examples/rtl8720dn/webserver/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=wioterminal ./examples/rtl8720dn/mqttsub/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=feather-m4 ./examples/i2csoft/adt7410/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.elf -target=wioterminal ./examples/axp192/m5stack-core2-blinky/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/xpt2046/main.go
@md5sum ./build/test.uf2
tinygo build -size short -o ./build/test.elf -target=m5stack-core2 ./examples/ft6336/basic/
@md5sum ./build/test.elf
tinygo build -size short -o ./build/test.elf -target=m5stack-core2 ./examples/ft6336/touchpaint/
@md5sum ./build/test.elf
tinygo build -size short -o ./build/test.hex -target=nucleo-wl55jc ./examples/sx126x/lora_rxtx/
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/ssd1289/main.go
@md5sum ./build/test.uf2
tinygo build -size short -o ./build/test.hex -target=pico ./examples/irremote/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.hex -target=badger2040 ./examples/uc8151/main.go
@md5sum ./build/test.hex
tinygo build -size short -o ./build/test.uf2 -target=pico ./examples/scd4x/main.go
@md5sum ./build/test.uf2
tinygo build -size short -o ./build/test.uf2 -target=circuitplay-express ./examples/makeybutton/main.go
@md5sum ./build/test.uf2
# rwildcard is a recursive version of $(wildcard)
# https://blog.jgc.org/2011/07/gnu-make-recursive-wildcard-function.html
+96 -3
View File
@@ -50,10 +50,103 @@ func main() {
}
```
## Supported devices
## Currently supported devices
There are currently 96 devices supported. For the complete list, please see:
https://tinygo.org/docs/reference/devices/
The following 90 devices are supported.
| Device Name | Interface Type |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------|
| [ADT7410 I2C Temperature Sensor](https://www.analog.com/media/en/technical-documentation/data-sheets/ADT7410.pdf) | I2C |
| [ADXL345 accelerometer](http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL345.pdf) | I2C |
| [AHT20 I2C Temperature and Humidity Sensor](http://www.aosong.com/userfiles/files/media/AHT20%20%E8%8B%B1%E6%96%87%E7%89%88%E8%AF%B4%E6%98%8E%E4%B9%A6%20A0%2020201222.pdf) | I2C |
| [AMG88xx 8x8 Thermal camera sensor](https://cdn-learn.adafruit.com/assets/assets/000/043/261/original/Grid-EYE_SPECIFICATIONS%28Reference%29.pdf) | I2C |
| [APA102 RGB LED](https://cdn-shop.adafruit.com/product-files/2343/APA102C.pdf) | SPI |
| [APDS9960 Digital proximity, ambient light, RGB and gesture sensor](https://cdn.sparkfun.com/assets/learn_tutorials/3/2/1/Avago-APDS-9960-datasheet.pdf) | I2C |
| [AT24CX 2-wire serial EEPROM](https://www.openimpulse.com/blog/wp-content/uploads/wpsc/downloadables/24C32-Datasheet.pdf) | I2C |
| [AXP192 single Cell Li-Battery and Power System Management](https://github.com/m5stack/M5-Schematic/blob/master/Core/AXP192%20Datasheet_v1.1_en_draft_2211.pdf) | I2C |
| [BBC micro:bit LED matrix](https://github.com/bbcmicrobit/hardware/blob/master/SCH_BBC-Microbit_V1.3B.pdf) | GPIO |
| [BH1750 ambient light sensor](https://www.mouser.com/ds/2/348/bh1750fvi-e-186247.pdf) | I2C |
| [BlinkM RGB LED](http://thingm.com/fileadmin/thingm/downloads/BlinkM_datasheet.pdf) | I2C |
| [BME280 humidity/pressure sensor](https://cdn-shop.adafruit.com/datasheets/BST-BME280_DS001-10.pdf) | I2C |
| [BMI160 accelerometer/gyroscope](https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmi160-ds000.pdf) | SPI |
| [BMP180 barometer](https://cdn-shop.adafruit.com/datasheets/BST-BMP180-DS000-09.pdf) | I2C |
| [BMP280 temperature/barometer](https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmp280-ds001.pdf) | I2C |
| [BMP388 pressure sensor](https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bmp388-ds001.pdf) | I2C |
| [Buzzer](https://en.wikipedia.org/wiki/Buzzer#Piezoelectric) | GPIO |
| [DHTXX thermometer and humidity sensor](https://cdn-shop.adafruit.com/datasheets/Digital+humidity+and+temperature+sensor+AM2302.pdf) | GPIO |
| [DS1307 real time clock](https://datasheets.maximintegrated.com/en/ds/DS1307.pdf) | I2C |
| [DS3231 real time clock](https://datasheets.maximintegrated.com/en/ds/DS3231.pdf) | I2C |
| [ESP32 as WiFi Coprocessor with Arduino nina-fw](https://github.com/arduino/nina-fw) | SPI |
| [ESP8266/ESP32 AT Command set for WiFi/TCP/UDP](https://github.com/espressif/esp32-at) | UART |
| [FT6336 touch controller](https://focuslcds.com/content/FT6236.pdf) | I2C |
| [GPS module](https://www.u-blox.com/en/product/neo-6-series) | I2C/UART |
| [HC-SR04 Ultrasonic distance sensor](https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf) | GPIO |
| [HD44780 LCD controller](https://www.sparkfun.com/datasheets/LCD/HD44780.pdf) | GPIO/I2C |
| [HTS221 digital humidity and temperature sensor](https://www.st.com/resource/en/datasheet/hts221.pdf) | I2C |
| [HUB75 RGB led matrix](https://cdn-learn.adafruit.com/downloads/pdf/32x16-32x32-rgb-led-matrix.pdf) | SPI |
| [software I2C driver](https://www.ti.com/lit/an/slva704/slva704.pdf) | GPIO |
| [ILI9341 TFT color display](https://cdn-shop.adafruit.com/datasheets/ILI9341.pdf) | SPI |
| [INA260 Volt/Amp/Power meter](https://www.ti.com/lit/ds/symlink/ina260.pdf) | I2C |
| [Infrared remote control](https://en.wikipedia.org/wiki/Consumer_IR) | GPIO |
| [IS31FL3731 matrix LED driver](https://www.lumissil.com/assets/pdf/core/IS31FL3731_DS.pdf) | I2C |
| [4x4 Membrane Keypad](https://cdn.sparkfun.com/assets/f/f/a/5/0/DS-16038.pdf) | GPIO |
| [L293x motor driver](https://www.ti.com/lit/ds/symlink/l293d.pdf) | GPIO/PWM |
| [L9110x motor driver](https://www.elecrow.com/download/datasheet-l9110.pdf) | GPIO/PWM |
| [LIS2MDL magnetometer](https://www.st.com/resource/en/datasheet/lis2mdl.pdf) | I2C |
| [LIS3DH accelerometer](https://www.st.com/resource/en/datasheet/lis3dh.pdf) | I2C |
| [LPS22HB MEMS nano pressure sensor](https://www.st.com/resource/en/datasheet/dm00140895.pdf) | I2C |
| [LSM6DS3 accelerometer](https://www.st.com/resource/en/datasheet/lsm6ds3.pdf) | I2C |
| [LSM6DSOX accelerometer](https://www.st.com/resource/en/datasheet/lsm6dsox.pdf) | I2C |
| [LSM6DS3TR accelerometer](https://www.st.com/resource/en/datasheet/lsm6ds3tr.pdf) | I2C |
| [LSM303AGR accelerometer](https://www.st.com/resource/en/datasheet/lsm303agr.pdf) | I2C |
| [LSM9DS1 accelerometer](https://www.st.com/resource/en/datasheet/lsm9ds1.pdf) | I2C |
| [Makey Button](https://makeymakey.com/) | GPIO |
| [MAG3110 magnetometer](https://www.nxp.com/docs/en/data-sheet/MAG3110.pdf) | I2C |
| [MAX7219 & MAX7221 display driver](https://datasheets.maximintegrated.com/en/ds/MAX7219-MAX7221.pdf) | SPI |
| [MCP2515 Stand-Alone CAN Controller with SPI Interface](https://ww1.microchip.com/downloads/en/DeviceDoc/MCP2515-Family-Data-Sheet-DS20001801K.pdf) | SPI |
| [MCP3008 analog to digital converter (ADC)](http://ww1.microchip.com/downloads/en/DeviceDoc/21295d.pdf) | SPI |
| [MCP23017 port expander](https://ww1.microchip.com/downloads/en/DeviceDoc/20001952C.pdf) | I2C |
| [Microphone - PDM](https://cdn-learn.adafruit.com/assets/assets/000/049/977/original/MP34DT01-M.pdf) | I2S/PDM |
| [MMA8653 accelerometer](https://www.nxp.com/docs/en/data-sheet/MMA8653FC.pdf) | I2C |
| [MPU6050 accelerometer/gyroscope](https://store.invensense.com/datasheets/invensense/MPU-6050_DataSheet_V3%204.pdf) | I2C |
| [P1AM-100 Base Controller](https://facts-engineering.github.io/modules/P1AM-100/P1AM-100.html) | SPI |
| [PCD8544 display](http://eia.udg.edu/~forest/PCD8544_1.pdf) | SPI |
| [PCF8563 real time clock](https://www.nxp.com/docs/en/data-sheet/PCF8563.pdf) | I2C |
| [QMI8658C accelerometer/gyroscope](https://www.qstcorp.com/upload/pdf/202202/%EF%BC%88%E5%B7%B2%E4%BC%A0%EF%BC%89QMI8658C%20datasheet%20rev%200.9.pdf) | I2C |
| [Resistive Touchscreen (4-wire)](http://ww1.microchip.com/downloads/en/Appnotes/doc8091.pdf) | GPIO |
| [RTL8720DN 2.4G/5G Dual Bands Wireless and BLE5.0](https://www.seeedstudio.com/Realtek8720DN-2-4G-5G-Dual-Bands-Wireless-and-BLE5-0-Combo-Module-p-4442.html) | UART |
| [SCD4x CO2 Sensor](https://sensirion.com/media/documents/C4B87CE6/627C2DCD/CD_DS_SCD40_SCD41_Datasheet_D1.pdf) | I2C |
| [Semihosting](https://wiki.segger.com/Semihosting) | Debug |
| [Servo](https://learn.sparkfun.com/tutorials/hobby-servo-tutorial/all) | PWM |
| [Shift register (PISO)](https://en.wikipedia.org/wiki/Shift_register#Parallel-in_serial-out_\(PISO\)) | GPIO |
| [Shift registers (SIPO)](https://en.wikipedia.org/wiki/Shift_register#Serial-in_parallel-out_(SIPO)) | GPIO |
| [SH1106 OLED display](https://www.velleman.eu/downloads/29/infosheets/sh1106_datasheet.pdf) | I2C / SPI |
| [SHT3x Digital Humidity Sensor](https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/2_Humidity_Sensors/Datasheets/Sensirion_Humidity_Sensors_SHT3x_Datasheet_digital.pdf) | I2C |
| [SHTC3 Digital Humidity Sensor (RH/T)](https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/2_Humidity_Sensors/Datasheets/Sensirion_Humidity_Sensors_SHTC3_Datasheet.pdf) | I2C |
| [SPI NOR Flash Memory](https://en.wikipedia.org/wiki/Flash_memory#NOR_flash) | SPI/QSPI |
| [SPI SDCARD/MMC](https://en.wikipedia.org/wiki/SD_card) | SPI |
| [SSD1306 OLED display](https://cdn-shop.adafruit.com/datasheets/SSD1306.pdf) | I2C / SPI |
| [SSD1331 TFT color display](https://www.crystalfontz.com/controllers/SolomonSystech/SSD1331/381/) | SPI |
| [SSD1351 OLED display](https://download.mikroe.com/documents/datasheets/ssd1351-revision-1.3.pdf) | SPI |
| [ST7735 TFT color display](https://www.crystalfontz.com/controllers/Sitronix/ST7735R/319/) | SPI |
| [ST7789 TFT color display](https://cdn-shop.adafruit.com/product-files/3787/3787_tft_QT154H2201__________20190228182902.pdf) | SPI |
| [Stepper motor "Easystepper" controller](https://en.wikipedia.org/wiki/Stepper_motor) | GPIO |
| [Thermistor](https://www.farnell.com/datasheets/33552.pdf) | ADC |
| [TM1637 7-segment LED display](https://www.mcielectronics.cl/website_MCI/static/documents/Datasheet_TM1637.pdf) | I2C |
| [TMP102 I2C Temperature Sensor](https://download.mikroe.com/documents/datasheets/tmp102-data-sheet.pdf) | I2C |
| [UC8151 All-in-one driver IC for ESL](https://www.buydisplay.com/download/ic/UC8151C.pdf) | I2C |
| [VEML6070 UV light sensor](https://www.vishay.com/docs/84277/veml6070.pdf) | I2C |
| [VL53L1X time-of-flight distance sensor](https://www.st.com/resource/en/datasheet/vl53l1x.pdf) | I2C |
| [VL6180X time-of-flight distance sensor](https://www.st.com/resource/en/datasheet/vl6180x.pdf) | I2C |
| [Waveshare 2.13" (B & C) e-paper display](https://www.waveshare.com/w/upload/d/d3/2.13inch-e-paper-b-Specification.pdf) | SPI |
| [Waveshare 2.13" e-paper display](https://www.waveshare.com/w/upload/e/e6/2.13inch_e-Paper_Datasheet.pdf) | SPI |
| [Waveshare 2.9" e-paper display (V1)](https://www.waveshare.com/w/upload/e/e6/2.9inch_e-Paper_Datasheet.pdf) | SPI |
| [Waveshare 4.2" e-paper B/W display](https://www.waveshare.com/w/upload/6/6a/4.2inch-e-paper-specification.pdf) | SPI |
| [Waveshare GC9A01 TFT round display](https://www.waveshare.com/w/upload/5/5e/GC9A01A.pdf) | SPI |
| [WS2812 RGB LED](https://cdn-shop.adafruit.com/datasheets/WS2812.pdf) | GPIO |
| [XPT2046 touch controller](http://grobotronics.com/images/datasheets/xpt2046-datasheet.pdf) | GPIO |
| [Semtech SX126x Lora](https://www.semtech.com/products/wireless-rf/lora-connect/sx1261) | SPI |
| [SSD1289 TFT color display](http://aitendo3.sakura.ne.jp/aitendo_data/product_img/lcd/tft2/M032C1289TP/3.2-SSD1289.pdf) | GPIO |
## Contributing
-172
View File
@@ -1,172 +0,0 @@
// Product: https://ams.com/as5600
// Datasheet: https://ams.com/documents/20143/36005/AS5600_DS000365_5-00.pdf
package as560x // import tinygo.org/x/drivers/ams560x
import (
"time"
"tinygo.org/x/drivers"
)
// AS5600 includes MPOS & MANG in addition to ZPOS to set a 'narrower angle range'
// ZPOS enables setting the 'zero position' of the device to any RAW_ANGLE value.
// MPOS ('max position') & MANG 'max angle' enable a 'partial range' on the AS5600.
// The value in ANGLE is scaled & adjusted by the device according to ZPOS and MPOS/MANG.
// The entire 12-bit range is 'compressed' into the RAW_ANGLE range of ZPOS->MPOS
// (or ZPOS->ZPOS+MANG) thus enabling a higher resolution for a partial range.
// if ZPOS > MPOS (or ZPOS + MANG > 4095) i.e. the incremental range 'crosses zero'
// then the device will automatically compensate for the correct range.
// For RAW_ANGLE values outside of the partial range, ANGLE will be 'capped' at either
// 0 or 4095, depending on 'which end of the partial range is closer.'
// AS5600Device represents an ams AS5600 device driver accessed over I2C
type AS5600Device struct {
// promote BaseDevice
BaseDevice
}
// NewAS5600 creates a new AS5600Device given an I2C bus
func NewAS5600(bus drivers.I2C) AS5600Device {
// Create base device
baseDev := newBaseDevice(bus)
// Add AS5600 specific registers
baseDev.registers[MPOS] = newI2CRegister(MPOS, 0, 0xfff, 2, reg_read|reg_write|reg_program)
baseDev.registers[MANG] = newI2CRegister(MANG, 0, 0xfff, 2, reg_read|reg_write|reg_program)
// Add AS5600 specific 'virtual registers'
conf, ok := baseDev.registers[CONF]
if ok {
baseDev.registers[PWMF] = newVirtualRegister(conf, 6, 0b11)
baseDev.registers[OUTS] = newVirtualRegister(conf, 4, 0b11)
}
// Return the device
return AS5600Device{baseDev}
}
// Configure sets up the AMS AS5600 sensor device with the given configuration.
func (d *AS5600Device) Configure(cfg Config) error {
// Call the BaseDevice method to do the actual Configure
d.BaseDevice.Configure(cfg)
// For AS5600 devices we need to calculate the maxAngle on startup from ZPOS/MPOS/MANG
// These could have been permanently BURN'ed (by writing BURN register with BURN_ANGLE/BURN_SETTING)
// or may have already been written in previous runs without a power cycle since.
mpos, err := d.ReadRegister(MPOS)
if nil != err {
return err
}
mang, err := d.ReadRegister(MANG)
if nil != err {
return err
}
// Read ZPOS for side effect of caching only so that next calculateEffectiveMaxAngle() can't fail
if _, err = d.ReadRegister(ZPOS); nil != err {
return err
}
if mpos != 0 {
// If MPOS is set, use MPOS regardless of MANG
err = d.calculateEffectiveMaxAngle(MPOS, mpos)
} else if mang != 0 {
// If MANG is set and MPOS == 0, use MANG
err = d.calculateEffectiveMaxAngle(MANG, mang)
} else {
// if neither is set, we have no narrow range
d.maxAngle = NATIVE_ANGLE_RANGE
}
return err
}
// calculateEffectiveMaxAngle calculates d.maxAngle after one of ZPOS/MPOS/MANG have been written
func (d *AS5600Device) calculateEffectiveMaxAngle(register uint8, value uint16) error {
var zpos, mpos uint16 = 0, 0
var err error = nil
switch register {
case MANG:
d.maxAngle = value // The easy case
return nil
case ZPOS:
zpos = value
mpos, err = d.ReadRegister(MPOS)
case MPOS:
mpos = value
zpos, err = d.ReadRegister(ZPOS)
default:
panic("calculateEffectiveMaxAngle() can only work from ZPOS, MPOS or MANG")
}
if nil != err {
return err
}
// MANG is effectively MPOS-ZPOS
mang := int(mpos) - int(zpos)
// correct for mpos < zpos
if mang < 0 {
mang += NATIVE_ANGLE_RANGE
}
d.maxAngle = uint16(mang)
return nil
}
// WriteRegister writes the given value for the given register to the AS560x device via I2C
func (d *AS5600Device) WriteRegister(address uint8, value uint16) error {
// Call the BaseDevice method to do the actual write
if err := d.BaseDevice.WriteRegister(address, value); err != nil {
return err
}
// When either ZPOS/MANG/MPOS are set we need to recalculate maxAngle
// We also may need to invalidate some cached values for the other two registers
recalc := false
switch address {
case ZPOS:
// Setting a new ZPOS invalidates MPOS but not MANG
d.registers[MPOS].invalidate()
recalc = true
case MPOS:
// Setting a new MPOS invalidates MANG but not ZPOS
d.registers[MANG].invalidate()
recalc = true
case MANG:
// Setting a new MANG invalidates MPOS but not ZPOS
d.registers[MPOS].invalidate()
recalc = true
}
if recalc {
// Datasheet tells us to wait at least 1ms before reading back
time.Sleep(time.Millisecond * 10) // conservative wait
return d.calculateEffectiveMaxAngle(address, value)
}
return nil
}
// GetMaxPosition returns the 'max position' (MPOS) in different units
func (d *AS5600Device) GetMaxPosition(units AngleUnit) (uint16, float32, error) {
mpos, err := d.ReadRegister(MPOS)
if nil != err {
return 0, 0.0, err
}
// Convert to requested units
i, f := convertFromNativeAngle(mpos, NATIVE_ANGLE_RANGE, units)
return i, f, nil
}
// SetMaxPosition sets the 'max position' (MPOS) in different units
func (d *AS5600Device) SetMaxPosition(mpos float32, units AngleUnit) error {
return d.WriteRegister(MPOS, convertToNativeAngle(mpos, units))
}
// GetMaxAngle returns the 'max position' (MANG) in different units
func (d *AS5600Device) GetMaxAngle(units AngleUnit) (uint16, float32, error) {
mang, err := d.ReadRegister(MANG)
if nil != err {
return 0, 0.0, err
}
// Convert to requested units
i, f := convertFromNativeAngle(mang, NATIVE_ANGLE_RANGE, units)
return i, f, nil
}
// SetMaxAngle sets the 'max angle' (MANG) in different units
func (d *AS5600Device) SetMaxAngle(mang float32, units AngleUnit) error {
return d.WriteRegister(MANG, convertToNativeAngle(mang, units))
}
-22
View File
@@ -1,22 +0,0 @@
// Product: https://ams.com/as5601
// Datasheet: https://ams.com/documents/20143/36005/AS5601_DS000395_3-00.pdf
package as560x // import tinygo.org/x/drivers/ams560x
import "tinygo.org/x/drivers"
// AS5601Device represents an ams AS5601 device driver accessed over I2C
type AS5601Device struct {
BaseDevice // promote base device
}
// NewAS5601 creates a new AS5601Device given an I2C bus
func NewAS5601(bus drivers.I2C) AS5601Device {
// Create base device
baseDev := newBaseDevice(bus)
// Add AS5601 specific registers
baseDev.registers[ABN] = newI2CRegister(ABN, 0, 0b1111, 1, reg_read|reg_write|reg_program)
baseDev.registers[PUSHTHR] = newI2CRegister(PUSHTHR, 0, 0xff, 1, reg_read|reg_write|reg_program)
// Return the device
return AS5601Device{baseDev}
}
-198
View File
@@ -1,198 +0,0 @@
// Package as560x implements drivers for the ams AS5600/AS5601 on-axis magnetic rotary position sensors
//
// Product Pages:
// AS5600: https://ams.com/as5600
// AS5601: https://ams.com/as5601
//
// Datasheets:
// AS5600: https://ams.com/documents/20143/36005/AS5600_DS000365_5-00.pdf
// AS5601: https://ams.com/documents/20143/36005/AS5601_DS000395_3-00.pdf
//
package as560x // import tinygo.org/x/drivers/ams560x
import (
"errors"
"tinygo.org/x/drivers"
)
// Config holds the configuration for the AMS AS560x sensor devices.
type Config struct {
// Address is the I2C address of the AS560x device. If left zero this will default to 0x36
Address uint8
}
// MagnetStrength is an enum to indicate the magnetic field strength detected by the AS560x sensors.
type MagnetStrength int
const (
// MagnetTooWeak indicates that the magnet strength is too weak (AGC maximum gain overflow) - move it closer
MagnetTooWeak MagnetStrength = iota - 1
// MagnetOk indicates that the magnet strength is about right.
MagnetOk
// MagnetTooStrong indicates that the magnet strength is too strong (AGC minimum gain overflow) - move it further away
MagnetTooStrong
)
// AngleUnit is an enum to allow the use of different units when reading/writing angles from the AS560x sensors.
type AngleUnit int
const (
// ANGLE_NATIVE uses the device's native angle measurement. i.e. 12-bit integer, 0 <= angle <= 0xfff (4095)
ANGLE_NATIVE AngleUnit = iota
// ANGLE_DEGREES_INT measures angles in degrees using integer arithmetic for speed. i.e. 0 <= angle < 360
ANGLE_DEGREES_INT
// ANGLE_DEGREES_FLOAT measures angles in degrees using floating point (slower). i.e. 0.0 <= angle < 360.0
ANGLE_DEGREES_FLOAT
// ANGLE_RADIANS measures angles in radians using floating point (slower). i.e. 0.0 <= angle < 2 * PI
ANGLE_RADIANS
)
const (
// NATIVE_ANGLE_MAX is the maximum valid value for a native angle for a AS560x device
NATIVE_ANGLE_MAX = (1 << 12) - 1 + iota
// NATIVE_ANGLE_RANGE is the number of unique values for native angles for a AS560x device
NATIVE_ANGLE_RANGE
)
var (
errRegisterNotFound = errors.New("Register not found")
errMaxBurnAngle = errors.New("Max BURN_ANGLE limit reached")
)
// BaseDevice handles the common behaviour between AS5600 & AS5601 devices
type BaseDevice struct {
bus drivers.I2C
address uint8
registers map[uint8]*i2cRegister
maxAngle uint16
}
// newBaseDevice creates a new base device given an I2C bus.
func newBaseDevice(bus drivers.I2C) BaseDevice {
// Add all 'base' registers, common to both AS5600 & AS5601
conf := newI2CRegister(CONF, 0, 0x3fff, 2, reg_read|reg_write|reg_program)
status := newI2CRegister(STATUS, 0, 0xff, 1, reg_read)
regs := map[uint8]*i2cRegister{
ZPOS: newI2CRegister(ZPOS, 0, 0xfff, 2, reg_read|reg_write|reg_program),
CONF: conf,
RAW_ANGLE: newI2CRegister(RAW_ANGLE, 0, 0xfff, 2, reg_read),
ANGLE: newI2CRegister(ANGLE, 0, 0xfff, 2, reg_read),
STATUS: status,
AGC: newI2CRegister(AGC, 0, 0xff, 1, reg_read),
MAGNITUDE: newI2CRegister(MAGNITUDE, 0, 0xfff, 2, reg_read),
BURN: newI2CRegister(BURN, 0, 0xff, 1, reg_write),
// Add common 'virtual registers' These are bitfields within the common registers above
// A virtual register provides a convenient way to access the fields of a registers
// by handling all of the necessary bitfield shifting and masking operations
WD: newVirtualRegister(conf, 13, 0b1),
FTH: newVirtualRegister(conf, 10, 0b111),
SF: newVirtualRegister(conf, 8, 0b11),
HYST: newVirtualRegister(conf, 2, 0b11),
PM: newVirtualRegister(conf, 0, 0b11),
MD: newVirtualRegister(status, 5, 0b1),
ML: newVirtualRegister(status, 4, 0b1),
MH: newVirtualRegister(status, 3, 0b1),
}
return BaseDevice{bus, DefaultAddress, regs, NATIVE_ANGLE_RANGE}
}
// Configure sets up the AMS AS560x sensor device with the given configuration.
func (d *BaseDevice) Configure(cfg Config) {
if cfg.Address == 0 {
cfg.Address = DefaultAddress
}
d.address = cfg.Address
}
// ReadRegister reads the value for the given register from the AS560x device via I2C
func (d *BaseDevice) ReadRegister(address uint8) (uint16, error) {
reg, ok := d.registers[address]
if !ok {
return 0, errRegisterNotFound
}
return reg.read(d.bus, d.address)
}
// WriteRegister writes the given value for the given register to the AS560x device via I2C
func (d *BaseDevice) WriteRegister(address uint8, value uint16) error {
reg, ok := d.registers[address]
if !ok {
return errRegisterNotFound
}
return reg.write(d.bus, d.address, value)
}
// GetZeroPosition returns the 'zero position' (ZPOS) in various units
func (d *BaseDevice) GetZeroPosition(units AngleUnit) (uint16, float32, error) {
zpos, err := d.ReadRegister(ZPOS)
if nil != err {
return 0, 0.0, err
}
// Convert to requested units
i, f := convertFromNativeAngle(zpos, NATIVE_ANGLE_RANGE, units)
return i, f, nil
}
// SetZeroPosition sets the 'zero position' (ZPOS) in various units
func (d *BaseDevice) SetZeroPosition(zpos float32, units AngleUnit) error {
return d.WriteRegister(ZPOS, convertToNativeAngle(zpos, units))
}
// RawAngle reads the (unscaled & unadjusted) RAW_ANGLE register in various units
func (d *BaseDevice) RawAngle(units AngleUnit) (uint16, float32, error) {
angle, err := d.ReadRegister(RAW_ANGLE)
if nil != err {
return 0, 0.0, err
}
// Convert to requested units
i, f := convertFromNativeAngle(angle, NATIVE_ANGLE_RANGE, units)
return i, f, nil
}
// Angle reads the (scaled & adjusted) ANGLE register in various units
func (d *BaseDevice) Angle(units AngleUnit) (uint16, float32, error) {
// ZPOS enables setting the 'zero position' of the device to any RAW_ANGLE value
// ANGLE is RAW_ANGLE adjusted relative to ZPOS.
angle, err := d.ReadRegister(ANGLE)
if nil != err {
return 0, 0.0, err
}
// Convert to requested units
i, f := convertFromNativeAngle(angle, d.maxAngle, units)
return i, f, nil
}
// MagnetStatus reads the STATUS register and reports magnet position characteristics
func (d *BaseDevice) MagnetStatus() (detected bool, strength MagnetStrength, err error) {
status, err := d.ReadRegister(STATUS)
if nil != err {
return false, MagnetOk, err
}
detected = (status & STATUS_MD) != 0
strength = MagnetOk
if (status & STATUS_ML) != 0 {
strength = MagnetTooWeak
} else if (status & STATUS_MH) != 0 {
strength = MagnetTooStrong
}
return
}
// Burn is a convenience method to program the device permanently by writing to the BURN register (limited number of times use!)
func (d *BaseDevice) Burn(burnCmd BURN_CMD) error {
if BURN_ANGLE == burnCmd {
// BURN_ANGLE can only be executed up to 3 times.
// We can check this in advance by reading ZMCO before writing to the BURN register.
numBurns, err := d.ReadRegister(ZMCO)
if nil != err {
return err
}
if numBurns >= BURN_ANGLE_COUNT_MAX {
// We're outta BURNs :(
return errMaxBurnAngle
}
}
return d.WriteRegister(BURN, uint16(burnCmd))
}
-95
View File
@@ -1,95 +0,0 @@
package as560x // import tinygo.org/x/drivers/ams560x
import "math"
// convertFromNativeAngle converts and scales an angle from the device's native 12-bit range to the requested units
func convertFromNativeAngle(angle uint16, maxAngle uint16, units AngleUnit) (uint16, float32) {
// MANG == 0 & MANG == NATIVE_ANGLE_RANGE (1 << 12) mean the same thing: use full circle range
// but the latter makes the maths/code simpler
if 0 == maxAngle {
maxAngle = NATIVE_ANGLE_RANGE
}
switch units {
case ANGLE_NATIVE:
// For native angles, scaling has already been done by the device
return angle, float32(angle)
case ANGLE_DEGREES_INT:
// Convert to degrees using integer arithmetic. Less accuracy but faster
var deg int = 0
if NATIVE_ANGLE_RANGE == maxAngle {
// Simplify the conversion when using the full range
deg = int(angle) * 360 >> 12
} else {
// Using an integer degrees scale with a narrower native range is pointless since we don't
// benefit at all from the increase in native resolution, in fact we LOSE precision.
// Alas, we have to return something
// First get maxAngle on the degrees scale
degMang, _ := convertFromNativeAngle(maxAngle, NATIVE_ANGLE_RANGE, units)
// Now scale angle
deg = int(angle) * int(degMang) / NATIVE_ANGLE_RANGE
}
return uint16(deg), float32(deg)
case ANGLE_DEGREES_FLOAT:
// Convert to degrees using floating point. More accuracy at expense of speed
var degF float32 = 0.0
if NATIVE_ANGLE_RANGE == maxAngle {
// Simplify the conversion when using the full range
degF = float32(angle) * 360.0 / NATIVE_ANGLE_RANGE
} else {
// Scale to degrees using a narrower native range
// First get maxAngle on the degrees scale
_, degMangF := convertFromNativeAngle(maxAngle, NATIVE_ANGLE_RANGE, units)
// Now scale angle
degF = float32(angle) * degMangF / NATIVE_ANGLE_RANGE
}
return uint16(degF), degF
case ANGLE_RADIANS:
// Convert to radians. Can only be done using floating point.
var rad float32 = 0.0
if NATIVE_ANGLE_RANGE == maxAngle {
// Simplify the conversion when using the full range
rad = float32(angle) * 2 * math.Pi / NATIVE_ANGLE_RANGE
} else {
// Scale to radians using a narrower native range
// First get maxAngle on the radians scale
_, radMang := convertFromNativeAngle(maxAngle, NATIVE_ANGLE_RANGE, units)
// Now scale angle
rad = float32(angle) * radMang / NATIVE_ANGLE_RANGE
}
return uint16(rad), rad
default:
panic("Unknown angle measurement unit")
}
}
// convertToNativeAngle converts an angle from the requested units to the device's native 12-bit range.
func convertToNativeAngle(angle float32, units AngleUnit) uint16 {
var pos uint16 = 0
switch units {
case ANGLE_NATIVE:
pos = uint16(angle)
case ANGLE_DEGREES_INT:
fallthrough
case ANGLE_DEGREES_FLOAT:
// Convert from degrees
angle = float32(math.Mod(float64(angle), 360.0))
if angle < 0.0 {
angle += 360.0
}
pos = uint16(math.Round(float64(angle) * NATIVE_ANGLE_RANGE / 360.0))
case ANGLE_RADIANS:
// Convert from radians
const circRad = 2.0 * math.Pi
angle = float32(math.Mod(float64(angle), circRad))
if angle < 0.0 {
angle += circRad
}
pos = uint16(math.Round(float64(angle) * NATIVE_ANGLE_RANGE / circRad))
default:
panic("Unknown angle measurement unit")
}
if pos > NATIVE_ANGLE_MAX {
pos = NATIVE_ANGLE_MAX
}
return pos
}
-169
View File
@@ -1,169 +0,0 @@
package as560x // import tinygo.org/x/drivers/ams560x
import (
"encoding/binary"
"errors"
"tinygo.org/x/drivers"
)
// registerAttributes is a bitfield of attributes for a register
type registerAttributes uint8
const (
// reg_read indicates that the register is readable
reg_read registerAttributes = 1 << iota
// reg_write indicates that the register is writeable
reg_write
// reg_program indicates that the register can be permanently programmed ('BURNed')
reg_program
)
var (
errRegisterNotReadable = errors.New("Register is not readable")
errRegisterNotWriteable = errors.New("Register is not writeable")
)
// i2cRegister encapsulates the address, structure and read/write logic for a register on a AS560x device
type i2cRegister struct {
// host is the 'host register' for virtual registers. Physical/root registers have this set to self
host *i2cRegister
// address is the i2c address of the register. For 2-byte (word) addresses it's the low byte which holds the MSBs
address uint8
// shift is the number of bits the value is 'left shifted' into the register byte/word (0-15)
shift uint16
// mask is a bitwise mask applied to the register AFTER 'right shifting' to mask the register value
mask uint16
// num_bytes is the width of the register in bytes, 1 or 2.
num_bytes uint8
// attributes holds the register attributes. A bitfield of REG_xyz constants
attributes registerAttributes
// cached indicates whether we are holding a cached value of the register in value
cached bool
// value can be used as a 'cache' of the register's value for writeable registers.
value uint16
}
// newI2CRegister returns a pointer to a new i2cRegister with no cached value
func newI2CRegister(address uint8, shift uint16, mask uint16, num_bytes uint8, attributes registerAttributes) *i2cRegister {
reg := &i2cRegister{
address: address,
shift: shift,
mask: mask,
num_bytes: num_bytes,
attributes: attributes,
}
// root registers host themselves
reg.host = reg
return reg
}
// newVirtualRegister returns a pointer to a new i2cRegister with the given host register and shift/mask.
func newVirtualRegister(host *i2cRegister, shift uint16, mask uint16) *i2cRegister {
return &i2cRegister{
host: host,
address: host.address,
shift: shift,
mask: mask,
num_bytes: host.num_bytes,
attributes: host.attributes,
}
}
// invalidate invalidates any cached value for the register and forces an I2C read on the next read()
func (r *i2cRegister) invalidate() {
r.host.cached = false
r.host.value = 0
}
// readShiftAndMask is an internal method to read a value for the register over the given I2C bus from the device with the given address applying the given shift and mask
func (r *i2cRegister) readShiftAndMask(bus drivers.I2C, deviceAddress uint8, shift uint16, mask uint16) (uint16, error) {
if r.host.attributes&reg_read == 0 {
return 0, errRegisterNotReadable
}
// Only read over I2C if we don't have the host register value cached
var val uint16 = r.host.value
if !r.host.cached {
// To avoid an alloc we always use an array of 2 bytes
var buffer [2]byte
var buf []byte
if r.host.num_bytes < 2 {
buf = buffer[:1]
} else {
buf = buffer[:]
}
// Read the host register over I2C
err := bus.ReadRegister(deviceAddress, r.host.address, buf)
if nil != err {
return 0, err
}
// Unpack data from I2C
if r.host.num_bytes > 1 {
val = binary.BigEndian.Uint16(buf)
} else {
val = uint16(buf[0])
}
// cache this value if the host register is writeable. Note we cache the entire buffer without applying shift/mask
if r.host.attributes&reg_write != 0 {
r.host.value = val
r.host.cached = true
}
}
// Shift and mask the value before returning
val >>= shift
val &= mask
return val, nil
}
// read reads a value for the register over the given I2C bus from the device with the given address.
func (r *i2cRegister) read(bus drivers.I2C, deviceAddress uint8) (uint16, error) {
return r.readShiftAndMask(bus, deviceAddress, r.shift, r.mask)
}
// write writes a value for the register over the given I2C bus to the device with the given address.
func (r *i2cRegister) write(bus drivers.I2C, deviceAddress uint8, value uint16) error {
if r.host.attributes&reg_write == 0 {
return errRegisterNotWriteable
}
var newValue uint16 = 0
// Data sheet tells us to do a read first, modify only the desired bits and then write back
// since (quote:) 'Blank fields may contain factory settings'
// We will also need to do this anyway to support virtualRegister mappings on some registers
// (e.g. CONF/STATUS)
if (r.host.attributes & reg_read) > 0 { // not all registers are readable, e.g. BURN
// read the host register's entire host byte/word, regardless of shift & mask
readValue, error := r.readShiftAndMask(bus, deviceAddress, 0, 0xffff)
if error != nil {
return error
}
// Zero-out ONLY the relevant bits in newValue we just read
readValue &= (0xffff ^ (r.mask << r.shift))
newValue = readValue
}
// Mask the new value and shift it into place
value &= r.mask
value <<= r.shift
// OR the masked & shifted value back into newValue to be written
newValue |= value
// Pack newValue into a byte buffer to write. To avoid an alloc we always use an array of 2 bytes
var buffer [2]byte
var buf []byte
if r.host.num_bytes < 2 {
buf = buffer[:1]
buf[0] = uint8(newValue & 0xff)
} else {
buf = buffer[:]
binary.BigEndian.PutUint16(buf, newValue)
}
// Write the register from the buffer over I2C
err := bus.WriteRegister(deviceAddress, r.host.address, buf)
// after successful I2C write, cache this value if the host register (if also readable)
// Note we cache the entire buffer without applying shift/mask
if nil == err && r.host.attributes&reg_read != 0 {
r.host.value = newValue
r.host.cached = true
}
return err
}
-208
View File
@@ -1,208 +0,0 @@
package as560x // import tinygo.org/x/drivers/ams560x
// DefaultAddress is the default I2C address of the AMS AS560x sensors (0x36).
const DefaultAddress uint8 = 0x36
// AS560x common device registers
const (
// ZMCO contains the number of times a BURN_ANGLE command has been executed (max 3 burns)
ZMCO = 0x00
// ZPOS is the zero (start) position in RAW_ANGLE terms.
ZPOS = 0x01
// CONF supports custom config. Raw 14-bit register. See datasheet for mapping or use 'virtual registers' below.
CONF = 0x07
// STATUS indicates magnet position. Encapsulates MD, ML & MH. See also 'virtual registers' below.
STATUS = 0x0b
// RAW_ANGLE is the raw unscaled & unadjusted angle (12 bit: 0-4095/0xfff)
RAW_ANGLE = 0x0c
// ANGLE is RAW_ANGLE scaled & adjusted according to ZPOS (and MPOS/MANG on AS5600). (12 bit: 0-4095/0xfff)
ANGLE = 0x0e
// AGC is the Automatic Gain Control based on temp, airgap etc. 0-255 @ 5V, 0-128 @ 3.3V.
AGC = 0x1a
// MAGNITUDE indicates the magnitude value of the internal CORDIC output. See datasheet for more info.
MAGNITUDE = 0x1b
// BURN performs permanent programming of some registers. See BURN_XYZ cmd constants below for commands.
BURN = 0xff
)
// AS5600 specific registers
const (
// MPOS is the maximum position in RAW_ANGLE terms. With ZPOS, defines a 'narrower angle' for higher resolution.
MPOS = 0x03
// MANG is the maximum angle. With ZPOS, defines a 'narrower angle' for higher resolution.
MANG = 0x05
)
// AS5601 specific registers
const (
// ABN. See datasheet for mapping
ABN = 0x09
// PUSHTHR. Configures push-button function. See datasheet and AGC
PUSHTHR = 0x0a
)
// 'Virtual Registers' (VRs) are bitfields within the registers above.
// These are not real register addresses recognized by the chip,
// but they are recognized by the driver for convenience.
// virtualRegisterStartAddress defines the start of the virtual register address range.
const virtualRegisterStartAddress = 0xa0
const (
// VRs for CONF
// WD is a Virtual Register for the Watchdog timer. See WATCHDOG_TIMER consts.
WD = iota + virtualRegisterStartAddress
// FTH is a Virtual Register for the Fast Filter Threshold. See FAST_FILTER_THRESHOLD consts.
FTH
// SF is a Virtual Register for the Slow Filter. See SLOW_FILTER_RESPONSE consts.
SF
// PWMF is a Virtual Register for PWM Frequency (AS5600 ONLY). See PWM_FREQUENCY consts.
PWMF
// OUTS is a Virtual Register for the Output Stage (AS5600 ONLY). See OUTPUT_STAGE consts.
OUTS
// HYST is a Virtual Register for Hysteresis. See HYSTERESIS consts.
HYST
// PM is a Virtual Register for the Power Mode. See POWER_MODE consts.
PM
// VRs for STATUS (0 = unset, 1 = set)
// MD is a Virtual Register for the 'Magnet was detected' flag.
MD
// ML is a Virtual Register for the 'AGC maximum gain overflow' a.k.a 'magnet too weak' flag.
ML
// MH is a Virtual Register for the 'AGC minimum gain overflow' a.k.a 'magnet too strong' flag.
MH
)
// POWER_MODE values for the PM component of CONF (and the PM VR)
const (
// PM_NOM is the normal 'always on' power mode. No polling, max 6.5mA current
PM_NOM = iota
// PM_LPM1 is Low Power Mode 1. 5ms polling, max 3.4mA current
PM_LPM1
// PM_LPM2 is Low Power Mode 2. 20ms polling, max 1.8mA current
PM_LPM2
// PM_LPM3 is Low Power Mode 3. 100ms polling, max 1.5mA current
PM_LPM3
)
// HYSTERESIS values for the HYST component of CONF (and the HYST VR)
const (
// HYST_OFF disables any hysteresis of the output
HYST_OFF = iota
// HYST_1LSB enables output hysteresis using 1 LSB
HYST_1LSB
// HYST_2LSB enables output hysteresis using 2 LSBs
HYST_2LSB
// HYST_3LSB enables output hysteresis using 3 LSBs
HYST_3LSB
)
// OUTPUT_STAGE values for the OUTS component of CONF (and the OUTS VR - AS5600 ONLY)
const (
// OS_ANALOG_FULL_RANGE enables analog output with full range (0%-100% VDD)
OS_ANALOG_FULL_RANGE = iota
// OS_ANALOG_REDUCED_RANGE enables analog output with reduced range (10%-90% VDD)
OS_ANALOG_REDUCED_RANGE
// OS_DIGITAL_PWM enables digital PWM output. Frequency determined by PWMF
OS_DIGITAL_PWM
)
// PWM_FREQUENCY values for the PWMF component of CONF (and the PWMF VR - ASS5600 ONLY)
const (
// PWMF_115_HZ enables PWM at 115 Hz
PWMF_115_HZ = iota
// PWMF_230_HZ enables PWM at 230 Hz
PWMF_230_HZ
// PWMF_460_HZ enables PWM at 460 Hz
PWMF_460_HZ
// PWMF_920_HZ enables PWM at 920 Hz
PWMF_920_HZ
)
// SLOW_FILTER_RESPONSE values for the SF (slow filter) component of CONF (and the SF VR)
const (
// SF_16X enables a 16x Slow Filter step response
SF_16X = iota
// SF_8X enables a 8x Slow Filter step response
SF_8X
// SF_4X enables a 4x Slow Filter step response
SF_4X
// SF_2X enables a 2x Slow Filter step response
SF_2X
)
// FAST_FILTER_THRESHOLD values for the FTH (fast filter threshold) component of CONF (and the FTH VR)
const (
// FTH_NONE disables the fast filter (slow filter only)
FTH_NONE = iota
// FTH_6LSB enables a fast filter threshold with 6 LSBs
FTH_6LSB
// FTH_7LSB enables a fast filter threshold with 7 LSBs
FTH_7LSB
// FTH_9LSB enables a fast filter threshold with 9 LSBs
FTH_9LSB
// FTH_18LSB enables a fast filter threshold with 18 LSBs
FTH_18LSB
// FTH_21LSB enables a fast filter threshold with 21 LSBs
FTH_21LSB
// FTH_24LSB enables a fast filter threshold with 24 LSBs
FTH_24SB
// FTH_10LSB enables a fast filter threshold with 10 LSBs
FTH_10LSB
)
// WATCHDOG_TIMER values for the WD component of CONF (and the WD VR)
const (
// WD_OFF disables the Watchdog Timer
WD_OFF = iota
// WD_ON enables the Watchdog Timer (automatic entry into LPM3 low-power mode enabled)
WD_ON
)
// constants for the raw STATUS register bitfield value.
const (
// STATUS_MH is set in STATUS when the magnet field is too strong (AGC minimum gain overflow)
STATUS_MH = 1 << (iota + 3)
// STATUS_ML is set in STATUS when the magnet field is too weak (AGC maximum gain overflow)
STATUS_ML
// STATUS_MD is set n STATUS when the magnet is detected. Doesn't seem to work with some units.
STATUS_MD
)
// ABN_MAPPING values for the ABN register (AS5601 ONLY)
const (
// ABN_8 configures 8 output positions (61 Hz)
ABN_8 = iota
// ABN_16 configures 16 output positions (122 Hz)
ABN_16
// ABN_32 configures 32 output positions (244 Hz)
ABN_32
// ABN_64 configures 64 output positions (488 Hz)
ABN_64
// ABN_128 configures 128 output positions (976 Hz)
ABN_128
// ABN_256 configures 256 output positions (1.95 KHz)
ABN_256
// ABN_512 configures 512 output positions (3.9 KHz)
ABN_512
// ABN_1024 configures 1024 output positions (7.8 KHz)
ABN_1024
// ABN_2048 configures 2048 output positions (15.6 KHz)
ABN_2048
)
// BURN_CMD is a command to write to the BURN register.
type BURN_CMD uint16
const (
// BURN_ANGLE is the value to write to BURN to permanently program ZPOS & MPOS (Max 3 times!)
BURN_ANGLE BURN_CMD = 0x80
// BURN_SETTING is the value to write to BURN to permanently program MANG & CONF (ONCE ONLY!)
BURN_SETTING BURN_CMD = 0x40
)
// BURN_ANGLE_COUNT_MAX is a constant for the maximum number of times a BURN_ANGLE command can be executed. Compare this with ZMCO
const BURN_ANGLE_COUNT_MAX uint16 = 3
-16
View File
@@ -6,7 +6,6 @@
package bmp180 // import "tinygo.org/x/drivers/bmp180"
import (
"math"
"time"
"tinygo.org/x/drivers"
@@ -124,21 +123,6 @@ func (d *Device) ReadPressure() (pressure int32, err error) {
return 1000 * (p + ((x1 + x2 + 3791) >> 4)), nil
}
// ReadAltitude returns the current altitude in meters based on the
// current barometric pressure and estimated pressure at sea level.
// Calculation is based on code from Adafruit BME280 library
//
// https://github.com/adafruit/Adafruit_BME280_Library
func (d *Device) ReadAltitude() (int32, error) {
mPa, err := d.ReadPressure()
if err != nil {
return 0, err
}
atmP := float32(mPa) / 100000
return int32(44330.0 * (1.0 - math.Pow(float64(atmP/SEALEVEL_PRESSURE), 0.1903))), nil
}
// rawTemp returns the sensor's raw values of the temperature
func (d *Device) rawTemp() (int32, error) {
d.bus.WriteRegister(uint8(d.Address), REG_CTRL, []byte{CMD_TEMP})
-4
View File
@@ -28,7 +28,3 @@ const (
// ULTRAHIGHRESOLUTION is the highest oversampling mode of the pressure measurement.
ULTRAHIGHRESOLUTION
)
const (
SEALEVEL_PRESSURE float32 = 1013.25 // in hPa
)
-54
View File
@@ -1,54 +0,0 @@
#include <stdint.h>
#include <stdbool.h>
// Loop the given times, where one loop takes four CPU cycles.
bool tinygo_drivers_sleep(uint32_t cycles) {
// In this function, a [n] comment indicates the number of cycles an
// instruction or a set of instructions take. This is typically 1 for most
// arithmetic instructions, and a bit more for branches.
#if __ARM_ARCH_6M__ || __ARM_ARCH_7M__ || __ARM_ARCH_7EM__
// Inline assembly for Cortex-M0/M0+/M3/M4/M7.
// The Cortex-M0 (but not M0+) takes one more cycle, so is off by 12.5%.
// Others should be basically cycle-accurate (with a slight overhead to
// calculate the number of cycles). Unfortunately, there doesn't appear to
// be a preprocessor macro to detect the Cortex-M0 specifically (although we
// could rely on macros like NRF51).
// Each loop takes 8 cycles (5 nops, 1 sub, and 2 for the branch).
uint32_t loops = (cycles + 7) / 8;
__asm__ __volatile__(
"1:\n\t"
"nop\n\t" // [5] nops
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"subs %[loops], #1\n\t" // [1]
"bne 1b" // [1-4], at least 2 cycles if taken
: [loops]"+r"(loops)
);
return true;
#elif __XTENSA__
// Inline assembly for Xtensa.
// I don't know exactly how many cycles a branch takes, so I've taken a
// conservative guess and assume it takes only one cycle. In practice, it's
// probably more than that.
uint32_t loops = (cycles + 7) / 8;
__asm__ __volatile__(
"1:\n\t"
"nop\n\t" // [6] nops
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"nop\n\t"
"addi %[loops], %[loops], -1\n\t" // [1]
"bnez %[loops], 1b" // [1?]
: [loops]"+r"(loops)
);
return true;
#else
// Unknown architecture, so fall back to time.Sleep.
return false;
#endif
}
-57
View File
@@ -1,57 +0,0 @@
package delay
import (
"machine"
"time"
)
/*
#include <stdint.h>
#include <stdbool.h>
bool tinygo_drivers_sleep(uint32_t ticks);
*/
import "C"
// Sleep for a very precise short duration by busy-waiting for the given time.
// This is not an efficient way to sleep: it will needlessly burn cycles while
// sleeping. But it is useful for sleeping for a very short duration, for
// example for bit-banged protocols.
//
// Longer durations (longer than a few milliseconds) will be handled by calling
// time.Sleep instead.
//
// This function should be called with a constant duration value, in which case
// the call will typically be fully inlined and only take up around nine
// instructions for the entire loop.
//
//go:inline
func Sleep(duration time.Duration) {
if time.Duration(uint32(duration)&0xff_ffff) != duration {
// This is a long duration (more than 16ms) which shouldn't be done by
// busy-waiting.
time.Sleep(duration)
return
}
// Calculate the number of cycles we should sleep:
// cycles = duration * freq / 1e9
// Avoiding a 64-bit division:
// cycles = duration * (freq/1000_000) / 1000
//
// This assumes:
// * The CPU frequency is a constant and can trivially be
// const-propagated, therefore the divide by 1000_000 is done at compile
// time.
// * The CPU frequency is a multiple of 1000_000, which is true for most
// chips (examples: 16MHz, 48MHz, 120MHz, etc).
// * The division by 1000 can be done efficiently (Cortex-M3 and up), or
// can be fully const-propagated.
// * The CPU frequency is lower than 256MHz. If it is higher, long sleep
// times (1-16ms) may not work correctly.
cycles := uint32(duration) * (machine.CPUFrequency() / 1000_000) / 1000
slept := C.tinygo_drivers_sleep(cycles)
if !slept {
// Fallback for platforms without inline assembly support.
time.Sleep(duration)
}
}
-16
View File
@@ -12,19 +12,3 @@ type Displayer interface {
// Display sends the buffer (if any) to the screen.
Display() error
}
// Rotation is how much a display has been rotated. Displays can be rotated, and
// sometimes also mirrored.
type Rotation uint8
// Clockwise rotation of the screen.
const (
Rotation0 = iota
Rotation90
Rotation180
Rotation270
Rotation0Mirror
Rotation90Mirror
Rotation180Mirror
Rotation270Mirror
)
-89
View File
@@ -1,89 +0,0 @@
// Package ds18b20 provides a driver for the DS18B20 digital thermometer
//
// Datasheet:
// https://www.analog.com/media/en/technical-documentation/data-sheets/DS18B20.pdf
package ds18b20 // import "tinygo.org/x/drivers/ds18b20"
import (
"errors"
)
// Device ROM commands
const (
CONVERT_TEMPERATURE uint8 = 0x44
READ_SCRATCHPAD uint8 = 0xBE
WRITE_SCRATCHPAD uint8 = 0x4E
)
type OneWireDevice interface {
Write(uint8)
Read() uint8
Select([]uint8) error
Сrc8([]uint8, int) uint8
}
// Device wraps a connection to an 1-Wire devices.
type Device struct {
owd OneWireDevice
}
// Errors list
var (
errReadTemperature = errors.New("Error: DS18B20. Read temperature error: CRC mismatch.")
)
func New(owd OneWireDevice) Device {
return Device{
owd: owd,
}
}
// Configure. Initializes the device, left for compatibility reasons.
func (d Device) Configure() {}
// ThermometerResolution sets thermometer resolution from 9 to 12 bits
func (d Device) ThermometerResolution(romid []uint8, resolution uint8) {
if 9 <= resolution && resolution <= 12 {
d.owd.Select(romid)
d.owd.Write(WRITE_SCRATCHPAD) // send three data bytes to scratchpad (TH, TL, and config)
d.owd.Write(0xFF) // to TH
d.owd.Write(0x00) // to TL
d.owd.Write(((resolution - 9) << 5) | 0x1F) // to resolution config
}
}
// RequestTemperature sends request to device
func (d Device) RequestTemperature(romid []uint8) {
d.owd.Select(romid)
d.owd.Write(CONVERT_TEMPERATURE)
}
// ReadTemperatureRaw returns the raw temperature.
// ScratchPad memory map:
// byte 0: Temperature LSB
// byte 1: Temperature MSB
func (d Device) ReadTemperatureRaw(romid []uint8) ([]uint8, error) {
spb := make([]uint8, 9) // ScratchPad buffer
d.owd.Select(romid)
d.owd.Write(READ_SCRATCHPAD)
for i := 0; i < 9; i++ {
spb[i] = d.owd.Read()
}
if d.owd.Сrc8(spb, 8) != spb[8] {
return nil, errReadTemperature
}
return spb[:2:2], nil
}
// ReadTemperature returns the temperature in celsius milli degrees (°C/1000)
func (d Device) ReadTemperature(romid []uint8) (int32, error) {
raw, err := d.ReadTemperatureRaw(romid)
if err != nil {
return 0, err
}
t := int32(uint16(raw[0]) | uint16(raw[1])<<8)
if t&0x8000 == 0x8000 {
t -= 0x10000
}
return (t * 625 / 10), nil
}
+2 -36
View File
@@ -73,17 +73,7 @@ func (d *Device) SetRunning(isRunning bool) error {
return nil
}
// SetTime sets the date and time in the DS3231. The DS3231 hardware supports
// only a 2-digit year field, so the current year will be stored as an offset
// from the year 2000, which supports the year 2000 until 2100.
//
// The DS3231 also supports a one-bit 'century' flag which is set by the chip
// when the year field rolls over from 99 to 00. The current code interprets
// this flag to be the year 2100, which appears to extend the range of years
// until the year 2200. However the DS3231 does not incorporate the 'century'
// flag in its leap year calculation, so it will incorrectly identify the year
// 2100 as a leap year, causing it to increment from 2100-02-28 to 2100-02-29
// instead of 2100-03-01.
// SetTime sets the date and time in the DS3231
func (d *Device) SetTime(dt time.Time) error {
data := []byte{0}
err := d.bus.ReadRegister(uint8(d.Address), REG_STATUS, data)
@@ -102,10 +92,6 @@ func (d *Device) SetTime(dt time.Time) error {
data[2] = uint8ToBCD(uint8(dt.Hour()))
year := uint8(dt.Year() - 2000)
// This code interprets the centuryFlag to be the year 2100. Warning: The
// DS3231 does not incorporate the centuryFlag in its leap year calculation.
// It will increment from 2100-02-28 to 2100-02-29, which is incorrect because
// the year 2100 is not a leap year in the Gregorian calendar.
centuryFlag := uint8(0)
if year >= 100 {
year -= 100
@@ -154,27 +140,7 @@ func (d *Device) ReadTemperature() (int32, error) {
if err != nil {
return 0, err
}
return milliCelsius(data[0], data[1]), nil
}
// milliCelsius converts the raw temperature bytes (msb and lsb) from the DS3231
// into a 32-bit signed integer in units of milli Celsius (1/1000 deg C).
//
// According to the DS3231 datasheet: "Temperature is represented as a 10-bit
// code with a resolution of 0.25 deg C and is accessible at location 11h and
// 12h. The temperature is encoded in two's complement format. The upper 8 bits,
// the integer portion, are at location 11h and the lower 2 bits, the fractional
// portion, are in the upper nibble at location 12h."
//
// In other words, the msb and lsb bytes should be treated as a signed 16-bit
// integer in units of (1/256 deg C). It is possible to convert this into a
// 16-bit signed integer in units of centi Celsius (1/100 deg C) with no loss of
// precision or dynamic range. But for backwards compatibility, let's instead
// convert this into a 32-bit signed integer in units of milli Celsius.
func milliCelsius(msb uint8, lsb uint8) int32 {
t256 := int16(uint16(msb)<<8 | uint16(lsb))
t1000 := int32(t256) / 64 * 250
return t1000
return int32(data[0])*1000 + int32((data[1]>>6)*25)*10, nil
}
// uint8ToBCD converts a byte to BCD for the DS3231
-76
View File
@@ -1,76 +0,0 @@
package ds3231
import (
"testing"
)
func TestPositiveMilliCelsius(t *testing.T) {
t1000 := milliCelsius(0, 0)
if t1000 != 0 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0, 0b01000000)
if t1000 != 250 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0, 0b10000000)
if t1000 != 500 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0, 0b11000000)
if t1000 != 750 {
t.Fatal(t1000)
}
t1000 = milliCelsius(1, 0b00000000)
if t1000 != 1000 {
t.Fatal(t1000)
}
t1000 = milliCelsius(2, 0b00000000)
if t1000 != 2000 {
t.Fatal(t1000)
}
// highest temperature is 127.750C
t1000 = milliCelsius(0x7f, 0b11000000)
if t1000 != 127750 {
t.Fatal(t1000)
}
}
func TestNegativeMilliCelsius(t *testing.T) {
t1000 := milliCelsius(0xff, 0b11000000)
if t1000 != -250 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0xff, 0b10000000)
if t1000 != -500 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0xff, 0b01000000)
if t1000 != -750 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0xff, 0b00000000)
if t1000 != -1000 {
t.Fatal(t1000)
}
t1000 = milliCelsius(0xfe, 0b00000000)
if t1000 != -2000 {
t.Fatal(t1000)
}
// lowest temperature is -128.000C
t1000 = milliCelsius(0x80, 0b00000000)
if t1000 != -128000 {
t.Fatal(t1000)
}
}
-66
View File
@@ -1,66 +0,0 @@
package main
import (
"machine"
"machine/usb/hid/mouse"
"math"
"time"
"tinygo.org/x/drivers/as560x"
)
func main() {
// Let's use the AS5600 to make the world's most useless mouse with just a single X-axis & no buttons (!)
machine.I2C0.Configure(machine.I2CConfig{
Frequency: machine.TWI_FREQ_400KHZ,
SDA: machine.GPIO4,
SCL: machine.GPIO5,
})
as5600 := as560x.NewAS5600(machine.I2C0)
as5600.Configure(as560x.Config{})
mouse := mouse.New()
lastAngle := -1
for {
time.Sleep(time.Millisecond * 10)
// Get the magnet status of the AS5600
magnetDetected, magnetStrength, err := as5600.MagnetStatus()
if err != nil {
continue
}
// Get the raw angle from the AS5600
angle, _, err := as5600.RawAngle(as560x.ANGLE_NATIVE)
if err != nil {
continue
}
str := ""
if !magnetDetected {
str += "NOT "
}
str += "detected. Strength is "
switch magnetStrength {
case as560x.MagnetTooWeak:
str += "too weak"
case as560x.MagnetTooStrong:
str += "too strong"
default:
str += "ok"
}
println("Raw angle:", angle, "Magnet was", str)
if lastAngle != -1 {
diff := int(angle) - lastAngle
// correct the zero crossover glitch
if diff < -0xc00 {
diff += 0xfff
} else if diff > 0xc00 {
diff -= 0xfff
}
// debounce the noise (could use the sensor's filters/hysteresis instead?)
if math.Abs(float64(diff)) > 2 {
// move the mouse x-axis in response to the AS5600
mouse.Move(diff, 0)
}
}
lastAngle = int(angle)
}
}
-3
View File
@@ -27,9 +27,6 @@ func main() {
pressure, _ := sensor.ReadPressure()
println("Pressure", float32(pressure)/100000, "hPa")
altitude, _ := sensor.ReadAltitude()
println("Altitude", altitude, "meters")
time.Sleep(2 * time.Second)
}
}
-17
View File
@@ -1,17 +0,0 @@
package main
import (
"time"
"tinygo.org/x/drivers/delay"
)
func main() {
time.Sleep(time.Second) // wait for a serial console
start := time.Now()
for i := 0; i < 2000; i++ {
delay.Sleep(50 * time.Microsecond)
}
duration := time.Since(start)
println("sleep of 2000*50µs (100ms) took:", duration.String())
}
-58
View File
@@ -1,58 +0,0 @@
package main
import (
"encoding/hex"
"machine"
"time"
"tinygo.org/x/drivers/onewire"
"tinygo.org/x/drivers/ds18b20"
)
func main() {
// Define pin for DS18B20
pin := machine.D2
ow := onewire.New(pin)
romIDs, err := ow.Search(onewire.SEARCH_ROM)
if err != nil {
println(err)
}
sensor := ds18b20.New(ow)
for {
time.Sleep(3 * time.Second)
println()
println("Device:", machine.Device)
println()
println("Request Temperature.")
for _, romid := range romIDs {
println("Sensor RomID: ", hex.EncodeToString(romid))
sensor.RequestTemperature(romid)
}
// wait 750ms or more for DS18B20 convert T
time.Sleep(1 * time.Second)
println()
println("Read Temperature")
for _, romid := range romIDs {
raw, err := sensor.ReadTemperatureRaw(romid)
if err != nil {
println(err)
}
println()
println("Sensor RomID: ", hex.EncodeToString(romid))
println("Temperature Raw value: ", hex.EncodeToString(raw))
t, err := sensor.ReadTemperature(romid)
if err != nil {
println(err)
}
println("Temperature in celsius milli degrees (°C/1000): ", t)
}
}
}
+29
View File
@@ -0,0 +1,29 @@
# AT-CMD implementation of at-lora command set
```
$ tinygo monitor
Connected to /dev/ttyACM0. Press Ctrl-C to exit.
+AT: OK
+VER: 0.0.1 (sx127x v18)
```
# Building
## Simulator
```
tinygo flash -target pico ./examples/lora/atcmd/
```
## PyBadge with LoRa Featherwing
```
tinygo flash -target pybadge -tags featherwing ./examples/lora/atcmd/
```
## LoRa-E5
```
tinygo flash -target lorae5 ./examples/lora/atcmd/
```
@@ -3,9 +3,6 @@ package main
import (
"encoding/hex"
"strings"
"tinygo.org/x/drivers/examples/lora/lorawan/common"
"tinygo.org/x/drivers/lora/lorawan"
)
// Use to test if connection to module is OK.
@@ -15,7 +12,7 @@ func quicktest() {
// Check firmware version.
func version() {
writeCommandOutput("VER", common.CurrentVersion()+" ("+common.FirmwareVersion()+")")
writeCommandOutput("VER", currentVersion()+" ("+firmwareVersion()+")")
}
// Use to check the ID of the LoRaWAN module, or change the ID.
@@ -26,42 +23,13 @@ func id(args string) error {
param, val, hasComma := strings.Cut(args, ",")
if hasComma {
// set
data := strings.Trim(val, "\"'")
// convert data from hex formatted string
data = strings.ReplaceAll(data, " ", "")
hexdata, err := hex.DecodeString(data)
if err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
switch param {
case "DevAddr":
if err := session.SetDevAddr(hexdata); err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
writeCommandOutput(cmd, "DevAddr, "+session.GetDevAddr())
writeCommandOutput(cmd, "DevAddr, "+val)
case "DevEui":
if err := otaa.SetDevEUI(hexdata); err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
writeCommandOutput(cmd, "DevEui, "+otaa.GetDevEUI())
writeCommandOutput(cmd, "DevEui, "+val)
case "AppEui":
if err := otaa.SetAppEUI(hexdata); err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
writeCommandOutput(cmd, "AppEui, "+otaa.GetAppEUI())
writeCommandOutput(cmd, "AppEui, "+val)
default:
return errInvalidCommand
}
@@ -72,15 +40,15 @@ func id(args string) error {
// get
switch param {
case "DevAddr":
writeCommandOutput(cmd, "DevAddr, "+session.GetDevAddr())
writeCommandOutput(cmd, "DevAddr, xx:xx:xx:xx")
case "DevEui":
writeCommandOutput(cmd, "DevEui, "+otaa.GetDevEUI())
writeCommandOutput(cmd, "DevEui, xx:xx:xx:xx:xx:xx:xx:xx")
case "AppEui":
writeCommandOutput(cmd, "AppEui, "+otaa.GetAppEUI())
writeCommandOutput(cmd, "AppEui, xx:xx:xx:xx:xx:xx:xx:xx")
default:
writeCommandOutput(cmd, "DevAddr, "+session.GetDevAddr())
writeCommandOutput(cmd, "DevEui, "+otaa.GetDevEUI())
writeCommandOutput(cmd, "AppEui, "+otaa.GetAppEUI())
writeCommandOutput(cmd, "DevAddr, xx:xx:xx:xx")
writeCommandOutput(cmd, "DevEui, xx:xx:xx:xx:xx:xx:xx:xx")
writeCommandOutput(cmd, "AppEui, xx:xx:xx:xx:xx:xx:xx:xx")
}
return nil
@@ -240,38 +208,9 @@ func rxwin1(setting string) error {
func key(setting string) error {
cmd := "KEY"
writeCommandOutput(cmd, setting)
// look for comma in args
param, val, hasComma := strings.Cut(setting, ",")
if hasComma {
// set
data := strings.Trim(val, "\"'")
// convert data from hex formatted string
data = strings.ReplaceAll(data, " ", "")
hexdata, err := hex.DecodeString(data)
if err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
switch param {
case "APPKEY":
if err := otaa.SetAppKey(hexdata); err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
writeCommandOutput(cmd, "APPKEY, "+otaa.GetAppKey())
default:
return errInvalidCommand
}
}
// cannot get keys
return errInvalidCommand
return nil
}
func fdefault(setting string) error {
@@ -289,23 +228,9 @@ func mode(setting string) error {
}
func join(setting string) error {
// TODO: check that DevEUI, AppEUI, and AppKey have values
cmd := "JOIN"
writeCommandOutput(cmd, "Starting")
if err := lorawan.Join(otaa, session); err != nil {
writeCommandOutput(cmd, err.Error())
return err
}
writeCommandOutput(cmd, "Network joined")
writeCommandOutput(cmd, "DevEui, "+otaa.GetDevEUI())
writeCommandOutput(cmd, "AppEui, "+otaa.GetAppEUI())
writeCommandOutput(cmd, "DevAddr, "+session.GetDevAddr())
writeCommandOutput(cmd, "NetID, "+otaa.GetNetID())
writeCommandOutput(cmd, "NwkSKey, "+session.GetNwkSKey())
writeCommandOutput(cmd, "AppSKey, "+session.GetAppSKey())
writeCommandOutput(cmd, "Done")
return nil
}
@@ -337,17 +262,6 @@ func delay(setting string) error {
func lw(setting string) error {
cmd := "LW"
param, val, hasComma := strings.Cut(setting, ",")
if hasComma {
if param == "NET" {
if val == "ON" {
lorawan.SetPublicNetwork(true)
} else {
lorawan.SetPublicNetwork(false)
}
}
}
writeCommandOutput(cmd, setting)
return nil
@@ -462,7 +376,7 @@ func sendhex(data string) error {
func recv(setting string) error {
cmd := "RECV"
data, err := common.Lorarx()
data, err := lorarx()
if err != nil {
writeCommandOutput(cmd, "ERROR "+err.Error())
return err
@@ -475,7 +389,7 @@ func recv(setting string) error {
func recvhex(setting string) error {
cmd := "RECVHEX"
data, err := common.Lorarx()
data, err := lorarx()
if err != nil {
writeCommandOutput(cmd, "ERROR "+err.Error())
return err
@@ -11,11 +11,6 @@ package main
import (
"machine"
"time"
"tinygo.org/x/drivers/examples/lora/lorawan/common"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/lora/lorawan"
"tinygo.org/x/drivers/lora/lorawan/region"
)
// change these to test a different UART or pins if available
@@ -25,10 +20,7 @@ var (
rx = machine.UART_RX_PIN
input = make([]byte, 0, 64)
radio lora.Radio
session *lorawan.Session
otaa *lorawan.Otaa
radio LoraRadio
defaultTimeout uint32 = 1000
)
@@ -36,17 +28,11 @@ func main() {
uart.Configure(machine.UARTConfig{TX: tx, RX: rx})
var err error
radio, err = common.SetupLora()
radio, err = setupLora()
if err != nil {
fail(err.Error())
}
session = &lorawan.Session{}
otaa = &lorawan.Otaa{}
lorawan.UseRadio(radio)
lorawan.UseRegionSettings(region.EU868())
for {
if uart.Buffered() > 0 {
data, _ := uart.ReadByte()
+11 -8
View File
@@ -1,6 +1,15 @@
package lora
package main
type Radio interface {
import (
"errors"
)
var (
errRadioNotFound = errors.New("radio not found")
errRxTimeout = errors.New("radio RX timeout")
)
type LoraRadio interface {
Reset()
Tx(pkt []uint8, timeoutMs uint32) error
Rx(timeoutMs uint32) ([]uint8, error)
@@ -10,10 +19,4 @@ type Radio interface {
SetBandwidth(bw uint8)
SetCrc(enable bool)
SetSpreadingFactor(sf uint8)
SetPreambleLength(plen uint16)
SetTxPower(txpow int8)
SetSyncWord(syncWord uint16)
SetPublicNetwork(enable bool)
SetHeaderType(headerType uint8)
LoraConfig(cnf Config)
}
@@ -1,11 +1,9 @@
//go:build !featherwing && !lgt92 && !stm32wlx && !sx126x
//go:build !featherwing && !gnse && !lorae5 && !nucleowl55jc
package common
import "tinygo.org/x/drivers/lora"
package main
// do simulator setup here
func SetupLora() (lora.Radio, error) {
func setupLora() (LoraRadio, error) {
return &SimLoraRadio{}, nil
}
@@ -29,12 +27,11 @@ func (sr *SimLoraRadio) SetCodingRate(cr uint8) {}
func (sr *SimLoraRadio) SetBandwidth(bw uint8) {}
func (sr *SimLoraRadio) SetCrc(enable bool) {}
func (sr *SimLoraRadio) SetSpreadingFactor(sf uint8) {}
func (sr *SimLoraRadio) LoraConfig(cnf lora.Config) {}
func FirmwareVersion() string {
return "simulator " + CurrentVersion()
func firmwareVersion() string {
return "simulator " + currentVersion()
}
func Lorarx() ([]byte, error) {
func lorarx() ([]byte, error) {
return nil, nil
}
+73
View File
@@ -0,0 +1,73 @@
//go:build gnse || lorae5 || nucleowl55jc
package main
import (
"device/stm32"
"machine"
"runtime/interrupt"
rfswitch "tinygo.org/x/drivers/examples/sx126x/rfswitch"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx126x"
)
const (
FREQ = 868100000
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
)
var (
loraRadio *sx126x.Device
)
// do sx126x setup here
func setupLora() (LoraRadio, error) {
loraRadio = sx126x.New(machine.SPI3)
loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
// Create RF Switch
var radioSwitch rfswitch.CustomSwitch
loraRadio.SetRfSwitch(radioSwitch)
if state := loraRadio.DetectDevice(); !state {
return nil, errRadioNotFound
}
// Add interrupt handler for Radio IRQs
intr := interrupt.New(stm32.IRQ_Radio_IRQ_Busy, radioIntHandler)
intr.Enable()
loraConf := lora.Config{
Freq: FREQ,
Bw: lora.Bandwidth_500_0,
Sf: lora.SpreadingFactor9,
Cr: lora.CodingRate4_7,
HeaderType: lora.HeaderExplicit,
Preamble: 12,
Ldr: lora.LowDataRateOptimizeOff,
Iq: lora.IQStandard,
Crc: lora.CRCOn,
SyncWord: lora.SyncPrivate,
LoraTxPowerDBm: 20,
}
loraRadio.LoraConfig(loraConf)
return loraRadio, nil
}
// radioIntHandler will take care of radio interrupts
func radioIntHandler(intr interrupt.Interrupt) {
loraRadio.HandleInterrupt()
}
func firmwareVersion() string {
return "sx126x"
}
func lorarx() ([]byte, error) {
return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
}
+85
View File
@@ -0,0 +1,85 @@
//go:build featherwing
package main
import (
"strconv"
"machine"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx127x"
)
const (
FREQ = 868100000
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
)
var (
// We assume LoRa Featherwing module is connected to PyBadge:
rstPin = machine.D11
csPin = machine.D10
dio0Pin = machine.D6
dio1Pin = machine.D9
spi = machine.SPI0
loraRadio *sx127x.Device
)
// do sx127x setup here
func setupLora() (LoraRadio, error) {
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dio0Pin.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
dio1Pin.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
spi.Configure(machine.SPIConfig{Frequency: 500000, Mode: 0})
loraRadio = sx127x.New(spi, csPin, rstPin)
loraRadio.Reset()
if state := loraRadio.DetectDevice(); !state {
return nil, errRadioNotFound
}
// Setup DIO0 interrupt Handling
if err := dio0Pin.SetInterrupt(machine.PinRising, dioIrqHandler); err != nil {
println("could not configure DIO0 pin interrupt:", err.Error())
}
// Setup DIO1 interrupt Handling
if err := dio1Pin.SetInterrupt(machine.PinRising, dioIrqHandler); err != nil {
println("could not configure DIO1 pin interrupt:", err.Error())
}
// Prepare for Lora Operation
loraConf := lora.Config{
Freq: FREQ,
Bw: lora.Bandwidth_500_0,
Sf: lora.SpreadingFactor9,
Cr: lora.CodingRate4_7,
HeaderType: lora.HeaderExplicit,
Preamble: 12,
Iq: lora.IQStandard,
Crc: lora.CRCOn,
SyncWord: lora.SyncPrivate,
LoraTxPowerDBm: 20,
}
loraRadio.LoraConfig(loraConf)
return loraRadio, nil
}
func dioIrqHandler(machine.Pin) {
loraRadio.HandleInterrupt()
}
func firmwareVersion() string {
v := loraRadio.GetVersion()
return "sx127x v" + strconv.Itoa(int(v))
}
func lorarx() ([]byte, error) {
return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
}
+7
View File
@@ -0,0 +1,7 @@
package main
const VERSION = "0.0.1"
func currentVersion() string {
return VERSION
}
@@ -1,8 +1,8 @@
//go:build nucleowl55jc
/*
Nucleo WL55JC1
RFSwitch
Nucleo WL55JC1
RFSwitch
+-----------+---------+------------+------------+
| | FE_CTRL1 | FE_CTRL2 | FE_CTRL3 |
@@ -13,48 +13,42 @@ RFSwitch
| RX | HIGH | LOW | HIGH |
+-----------+----------+-----------+------------+
*/
package sx126x
package main
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
// RadioControl for Nucleo WL55JC1 board.
type RadioControl struct {
STM32RadioControl
type CustomSwitch struct {
}
func NewRadioControl() *RadioControl {
return &RadioControl{STM32RadioControl{}}
}
// Init pins needed for controlling rx/tx
func (rc *RadioControl) Init() error {
func (s CustomSwitch) InitRFSwitch() {
machine.PC4.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.PC5.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.PC3.Configure(machine.PinConfig{Mode: machine.PinOutput})
return nil
}
func (rc *RadioControl) SetRfSwitchMode(mode int) error {
func (s CustomSwitch) SetRfSwitchMode(mode int) error {
switch mode {
case RFSWITCH_TX_HP:
case sx126x.RFSWITCH_TX_HP:
machine.PC4.Set(false)
machine.PC5.Set(true)
machine.PC3.Set(true)
case RFSWITCH_TX_LP:
case sx126x.RFSWITCH_TX_LP:
machine.PC4.Set(true)
machine.PC5.Set(true)
machine.PC3.Set(true)
case RFSWITCH_RX:
case sx126x.RFSWITCH_RX:
machine.PC4.Set(true)
machine.PC5.Set(false)
machine.PC3.Set(true)
}
}
return nil
}
-52
View File
@@ -1,52 +0,0 @@
# AT-CMD implementation of at-lora command set
This example implements the AT command set as used by Seeed in the LoRa-E5 series of boards, but in the form of a TinyGo program that provides a serial interface.
See https://files.seeedstudio.com/products/317990687/res/LoRa-E5%20AT%20Command%20Specification_V1.0%20.pdf for more information.
```
$ tinygo monitor
Connected to /dev/ttyACM0. Press Ctrl-C to exit.
+AT: OK
+VER: 0.0.1 (sx127x v18)
```
# Building
Run the following commands from the main `drivers` directory.
## Simulator
Builds/flashes atcmd console application with simulator instead of actual LoRa radio.
```
tinygo flash -target pico ./examples/lora/lorawan/atcmd/
```
## PyBadge with LoRa Featherwing
Builds/flashes atcmd console application on PyBadge using LoRa Featherwing (RFM95/SX1276).
```
tinygo flash -target pybadge -tags featherwing ./examples/lora/lorawan/atcmd/
```
## LoRa-E5
Builds/flashes atcmd console application on Lora-E5 using onboard SX126x.
```
tinygo flash -target lorae5 ./examples/lora/lorawan/atcmd/
```
## Joining a Public Lorawan Network
```
AT+ID=DevEui,0101010101010101
AT+ID=AppEui,0123012301230213
AT+KEY=APPKEY,AEAEAEAEAEAEAEAAEAEAEAEAEAEAAEAE
AT+LW=NET,ON
AT+JOIN
```
AT+LW=NET,(ON|OFF) command changes Lora Sync Word to connect on public network(ON) or private networks(OFF)
@@ -1,44 +0,0 @@
# Simple Lorawan example
This demo code will connect Lorawan network and send sample uplink message
You may change your Lorawan keys (AppEUI, DevEUI, AppKEY) in key-default.go
```
$ tinygo monitor
Connected to /dev/ttyACM0. Press Ctrl-C to exit.
Lorawan Simple Demo
Start Lorawan Join sequence
loraConnect: Connected !
```
# Building
## Simulator
```
tinygo flash -target pico ./examples/lora/lorawan/basic-demo
```
## PyBadge with LoRa Featherwing
```
tinygo flash -target pybadge -tags featherwing ./examples/lora/lorawan/basic-demo
```
## LoRa-E5
```
tinygo flash -target lorae5 ./examples/lora/lorawan/basic-demo
```
## Enable debugging
You can also enable some debug logs with ldflags :
```
$ tinygo build -ldflags="-X 'main.debug=true'" -target=lorae5
```
@@ -1,17 +0,0 @@
//go:build !customkeys
package main
import (
"tinygo.org/x/drivers/lora/lorawan"
)
// These are sample keys, so the example builds
// Either change here, or create a new go file and use customkeys build tag
func setLorawanKeys() {
otaa.SetAppEUI([]uint8{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00})
otaa.SetDevEUI([]uint8{0xB3, 0xD5, 0x41, 0x00, 0x0A, 0xF1, 0xA4, 0x45})
otaa.SetAppKey([]uint8{0x12, 0x22, 0xA3, 0xFF, 0x0C, 0x7B, 0x76, 0x7B, 0x8F, 0xD3, 0x12, 0x4F, 0xCE, 0x7A, 0x32, 0x16})
lorawan.SetPublicNetwork(true)
}
-109
View File
@@ -1,109 +0,0 @@
// Simple code for connecting to Lorawan network and uploading sample payload
package main
import (
"errors"
"strconv"
"time"
"tinygo.org/x/drivers/examples/lora/lorawan/common"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/lora/lorawan"
"tinygo.org/x/drivers/lora/lorawan/region"
)
var debug string
const (
LORAWAN_JOIN_TIMEOUT_SEC = 180
LORAWAN_RECONNECT_DELAY_SEC = 15
LORAWAN_UPLINK_DELAY_SEC = 60
)
var (
radio lora.Radio
session *lorawan.Session
otaa *lorawan.Otaa
)
func loraConnect() error {
start := time.Now()
var err error
for time.Since(start) < LORAWAN_JOIN_TIMEOUT_SEC*time.Second {
println("Trying to join network")
err = lorawan.Join(otaa, session)
if err == nil {
println("Connected to network !")
return nil
}
println("Join error:", err, "retrying in", LORAWAN_RECONNECT_DELAY_SEC, "sec")
time.Sleep(time.Second * LORAWAN_RECONNECT_DELAY_SEC)
}
err = errors.New("Unable to join Lorawan network")
println(err.Error())
return err
}
func failMessage(err error) {
println("FATAL:", err)
for {
}
}
func main() {
println("*** Lorawan basic join and uplink demo ***")
// Board specific Lorawan initialization
var err error
radio, err = common.SetupLora()
if err != nil {
failMessage(err)
}
// Required for LoraWan operations
session = &lorawan.Session{}
otaa = &lorawan.Otaa{}
// Connect the lorawan with the Lora Radio device.
lorawan.UseRadio(radio)
lorawan.UseRegionSettings(region.EU868())
// Configure AppEUI, DevEUI, APPKey, and public/private Lorawan Network
setLorawanKeys()
if debug != "" {
println("main: Network joined")
println("main: DevEui, " + otaa.GetDevEUI())
println("main: AppEui, " + otaa.GetAppEUI())
println("main: DevAddr, " + otaa.GetAppKey())
}
// Try to connect Lorawan network
if err := loraConnect(); err != nil {
failMessage(err)
}
if debug != "" {
println("main: NetID, " + otaa.GetNetID())
println("main: NwkSKey, " + session.GetNwkSKey())
println("main: AppSKey, " + session.GetAppSKey())
println("main: Done")
}
// Try to periodicaly send an uplink sample message
upCount := 1
for {
payload := "Hello TinyGo #" + strconv.Itoa(upCount)
if err := lorawan.SendUplink([]byte(payload), session); err != nil {
println("Uplink error:", err)
} else {
println("Uplink success, msg=", payload)
}
println("Sleeping for", LORAWAN_UPLINK_DELAY_SEC, "sec")
time.Sleep(time.Second * LORAWAN_UPLINK_DELAY_SEC)
upCount++
}
}
@@ -1,14 +0,0 @@
//go:build featherwing
package common
import "machine"
var (
// We assume LoRa Featherwing module with sx127x is connected to PyBadge
rstPin = machine.D11
csPin = machine.D10
dio0Pin = machine.D6
dio1Pin = machine.D9
spi = machine.SPI0
)
-13
View File
@@ -1,13 +0,0 @@
//go:build lgt92
package common
import "machine"
var (
rstPin = machine.PB0
csPin = machine.PA15
dio0Pin = machine.PC13
dio1Pin = machine.PB10
spi = machine.SPI0
)
-10
View File
@@ -1,10 +0,0 @@
package common
import (
"errors"
)
var (
errRadioNotFound = errors.New("radio not found")
errRxTimeout = errors.New("radio RX timeout")
)
-49
View File
@@ -1,49 +0,0 @@
//go:build stm32wlx
package common
import (
"machine"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx126x"
)
const (
FREQ = 868100000
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
)
var (
loraRadio *sx126x.Device
)
var spi = machine.SPI3
func newRadioControl() sx126x.RadioController {
return sx126x.NewRadioControl()
}
// do sx126x setup here
func SetupLora() (lora.Radio, error) {
loraRadio = sx126x.New(spi)
loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
// Create radio controller for target
loraRadio.SetRadioController(newRadioControl())
if state := loraRadio.DetectDevice(); !state {
return nil, errRadioNotFound
}
return loraRadio, nil
}
func FirmwareVersion() string {
return "sx126x"
}
func Lorarx() ([]byte, error) {
return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
}
-53
View File
@@ -1,53 +0,0 @@
//go:build !stm32wlx && sx126x
package common
import (
"machine"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx126x"
)
const (
FREQ = 868100000
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
)
var (
loraRadio *sx126x.Device
)
var (
spi = machine.SPI0
nssPin, busyPin, dio1Pin = machine.GP17, machine.GP10, machine.GP11
rxPin, txLowPin, txHighPin = machine.GP13, machine.GP12, machine.GP12
)
func newRadioControl() sx126x.RadioController {
return sx126x.NewRadioControl(nssPin, busyPin, dio1Pin, rxPin, txLowPin, txHighPin)
}
// do sx126x setup here
func SetupLora() (lora.Radio, error) {
loraRadio = sx126x.New(spi)
loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
// Create radio controller for target
loraRadio.SetRadioController(newRadioControl())
if state := loraRadio.DetectDevice(); !state {
return nil, errRadioNotFound
}
return loraRadio, nil
}
func FirmwareVersion() string {
return "sx126x"
}
func Lorarx() ([]byte, error) {
return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
}
-47
View File
@@ -1,47 +0,0 @@
//go:build featherwing || lgt92
package common
import (
"strconv"
"machine"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx127x"
)
const (
FREQ = 868100000
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
)
var (
loraRadio *sx127x.Device
)
// do sx127x setup here
func SetupLora() (lora.Radio, error) {
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
spi.Configure(machine.SPIConfig{Frequency: 500000, Mode: 0})
loraRadio = sx127x.New(spi, rstPin)
loraRadio.SetRadioController(sx127x.NewRadioControl(csPin, dio0Pin, dio1Pin))
loraRadio.Reset()
if state := loraRadio.DetectDevice(); !state {
return nil, errRadioNotFound
}
return loraRadio, nil
}
func FirmwareVersion() string {
v := loraRadio.GetVersion()
return "sx127x v" + strconv.Itoa(int(v))
}
func Lorarx() ([]byte, error) {
return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
}
-7
View File
@@ -1,7 +0,0 @@
package common
const VERSION = "0.0.1"
func CurrentVersion() string {
return VERSION
}
-22
View File
@@ -1,22 +0,0 @@
// Connects to an MPU6886 I2C accelerometer/gyroscope.
package main
import (
"machine"
"time"
"tinygo.org/x/drivers/mpu6886"
)
func main() {
machine.I2C0.Configure(machine.I2CConfig{})
accel := mpu6886.New(machine.I2C0)
accel.Configure(mpu6886.Config{})
for {
x, y, z, _ := accel.ReadAcceleration()
println(x, y, z)
time.Sleep(time.Millisecond * 100)
}
}
-40
View File
@@ -1,40 +0,0 @@
package main
import (
"encoding/hex"
"time"
"tinygo.org/x/drivers/onewire"
)
func main() {
pin := machine.D2
ow := onewire.New(pin)
for {
time.Sleep(3 * time.Second)
println()
println("Device:", machine.Device)
romIDs, err := ow.Search(onewire.SEARCH)
if err != nil {
println(err)
}
for _, romid := range romIDs {
println(hex.EncodeToString(romid))
}
if len(romIDs) == 1 {
// only 1 device on bus
r, err := ow.ReadAddress()
if err != nil {
println(err)
}
println(hex.EncodeToString(r))
}
}
}
+542
View File
@@ -0,0 +1,542 @@
//go:build tinygo
package console
import (
"fmt"
"io"
"machine"
"os"
"strconv"
"strings"
"time"
"tinygo.org/x/tinyfs"
)
const consoleBufLen = 64
const startBlock = 0
const blockCount = 0
var (
debug = false
input [consoleBufLen]byte
console = machine.Serial
readyLED = machine.LED
flashdev tinyfs.BlockDevice
fs tinyfs.Filesystem
currdir = "/"
commands = map[string]cmdfunc{
"": noop,
"dbg": dbg,
"help": help,
"lsblk": lsblk,
"mount": mount,
"umount": umount,
"format": format,
"xxd": xxd,
"ls": ls,
"samples": samples,
"mkdir": mkdir,
"cat": cat,
"create": create,
"write": write,
"rm": rm,
}
)
type cmdfunc func(argv []string)
const (
StateInput = iota
StateEscape
StateEscBrc
StateCSI
)
func RunFor(dev tinyfs.BlockDevice, filesys tinyfs.Filesystem) {
flashdev = dev
fs = filesys
readyLED.Configure(machine.PinConfig{Mode: machine.PinOutput})
readyLED.High()
readyLED.Low()
println("SPI Configured. Reading flash info")
/*
lfsConfig := flashlfs.NewConfig()
if blockCount == 0 {
lfsConfig.BlockCount = (flashdev.Attrs().TotalSize / lfsConfig.BlockSize) - startBlock
} else {
lfsConfig.BlockCount = blockCount
}
println("Start block:", startBlock)
println("Block count:", lfsConfig.BlockCount)
blockdev = flashlfs.NewBlockDevice(flashdev, startBlock, lfsConfig.BlockSize)
*/
prompt()
var state = StateInput
for i := 0; ; {
if console.Buffered() > 0 {
data, _ := console.ReadByte()
if debug {
fmt.Printf("\rdata: %x\r\n\r", data)
prompt()
console.Write(input[:i])
}
switch state {
case StateInput:
switch data {
case 0x8:
fallthrough
case 0x7f: // this is probably wrong... works on my machine tho :)
// backspace
if i > 0 {
i -= 1
console.Write([]byte{0x8, 0x20, 0x8})
}
case 13:
// return key
if console.Buffered() > 0 {
data, _ := console.ReadByte()
if data != 10 {
println("\r\nunexpected: \r", int(data))
}
}
console.Write([]byte("\r\n"))
runCommand(string(input[:i]))
prompt()
i = 0
continue
case 27:
// escape
state = StateEscape
default:
// anything else, just echo the character if it is printable
if strconv.IsPrint(rune(data)) {
if i < (consoleBufLen - 1) {
console.WriteByte(data)
input[i] = data
i++
}
}
}
case StateEscape:
switch data {
case 0x5b:
state = StateEscBrc
default:
state = StateInput
}
default:
// TODO: handle escape sequences
state = StateInput
}
}
}
}
func runCommand(line string) {
argv := strings.SplitN(strings.TrimSpace(line), " ", -1)
cmd := argv[0]
cmdfn, ok := commands[cmd]
if !ok {
println("unknown command: " + line)
return
}
cmdfn(argv)
}
func noop(argv []string) {}
func help(argv []string) {
fmt.Printf("help\r\n")
fmt.Printf(" show help\r\n")
fmt.Printf("dbg\r\n")
fmt.Printf(" toggle debug mode\r\n")
fmt.Printf("xxd <hex address, ex: 0xA0> <size of hexdump in bytes>\r\n")
fmt.Printf(" hexdump the specified address\r\n")
fmt.Printf("ls <target file>\r\n")
fmt.Printf(" list information\r\n")
fmt.Printf("samples\r\n")
fmt.Printf(" write some files in the root directory\r\n")
fmt.Printf("mkdir <target dir>\r\n")
fmt.Printf(" create directory\r\n")
fmt.Printf("cat <target file>\r\n")
fmt.Printf(" print the contents of file\r\n")
fmt.Printf("create <target file>\r\n")
fmt.Printf(" create file\r\n")
fmt.Printf("write <target file>\r\n")
fmt.Printf(" write to file (press CTRL-D to exit)\r\n")
fmt.Printf("rm\r\n")
}
func dbg(argv []string) {
if debug {
debug = false
println("Console debugging off")
} else {
debug = true
println("Console debugging on")
}
}
func lsblk(argv []string) {
fmt.Printf("lsblk : not implement\r\n")
}
func mount(argv []string) {
if err := fs.Mount(); err != nil {
println("Could not mount LittleFS filesystem: " + err.Error() + "\r\n")
} else {
println("Successfully mounted LittleFS filesystem.\r\n")
}
}
func format(argv []string) {
if err := fs.Format(); err != nil {
println("Could not format LittleFS filesystem: " + err.Error() + "\r\n")
} else {
println("Successfully formatted LittleFS filesystem.\r\n")
}
}
func umount(argv []string) {
if err := fs.Unmount(); err != nil {
println("Could not unmount LittleFS filesystem: " + err.Error() + "\r\n")
} else {
println("Successfully unmounted LittleFS filesystem.\r\n")
}
}
/*
var err error
if fatfs == nil {
fatfs, err = fat.New(fatdisk)
if err != nil {
fatfs = nil
println("could not load FAT filesystem: " + err.Error() + "\r\n")
}
fmt.Printf("loaded fs\r\n")
}
if rootdir == nil {
rootdir, err = fatfs.RootDir()
if err != nil {
rootdir = nil
println("could not load rootdir: " + err.Error() + "\r\n")
}
fmt.Printf("loaded rootdir\r\n")
}
if currdir == nil {
currdir = rootdir
}
*/
func ls(argv []string) {
path := "/"
if len(argv) > 1 {
path = strings.TrimSpace(argv[1])
}
dir, err := fs.Open(path)
if err != nil {
fmt.Printf("Could not open directory %s: %v\r\n", path, err)
return
}
defer dir.Close()
infos, err := dir.Readdir(0)
_ = infos
if err != nil {
fmt.Printf("Could not read directory %s: %v\r\n", path, err)
return
}
for _, info := range infos {
s := "-rwxrwxrwx"
if info.IsDir() {
s = "drwxrwxrwx"
}
fmt.Printf("%s %5d %s\r\n", s, info.Size(), info.Name())
}
}
func mkdir(argv []string) {
tgt := ""
if len(argv) == 2 {
tgt = strings.TrimSpace(argv[1])
}
if debug {
println("Trying mkdir to " + tgt)
}
if tgt == "" {
println("Usage: mkdir <target dir>")
return
}
err := fs.Mkdir(tgt, 0777)
if err != nil {
println("Could not mkdir " + tgt + ": " + err.Error())
}
}
func rm(argv []string) {
tgt := ""
if len(argv) == 2 {
tgt = strings.TrimSpace(argv[1])
}
if debug {
println("Trying rm to " + tgt)
}
if tgt == "" {
println("Usage: rm <target dir>")
return
}
err := fs.Remove(tgt)
if err != nil {
println("Could not rm " + tgt + ": " + err.Error())
}
}
func samples(argv []string) {
buf := make([]byte, 90)
for i := 0; i < 5; i++ {
name := fmt.Sprintf("file%d.txt", i)
if bytes, err := createSampleFile(name, buf); err != nil {
fmt.Printf("%s\r\n", err)
return
} else {
fmt.Printf("wrote %d bytes to %s\r\n", bytes, name)
}
}
}
func create(argv []string) {
tgt := ""
if len(argv) == 2 {
tgt = strings.TrimSpace(argv[1])
}
if debug {
println("Trying create to " + tgt)
}
buf := make([]byte, 90)
if bytes, err := createSampleFile(tgt, buf); err != nil {
fmt.Printf("%s\r\n", err)
return
} else {
fmt.Printf("wrote %d bytes to %s\r\n", bytes, tgt)
}
}
func write(argv []string) {
tgt := ""
if len(argv) == 2 {
tgt = strings.TrimSpace(argv[1])
}
if debug {
println("Trying receive to " + tgt)
}
buf := make([]byte, 1)
f, err := fs.OpenFile(tgt, os.O_CREATE|os.O_WRONLY|os.O_TRUNC)
if err != nil {
fmt.Printf("error opening %s: %s\r\n", tgt, err.Error())
return
}
defer f.Close()
var n int
for {
if console.Buffered() > 0 {
data, _ := console.ReadByte()
switch data {
case 0x04:
fmt.Printf("wrote %d bytes to %s\r\n", n, tgt)
return
default:
// anything else, just echo the character if it is printable
if strconv.IsPrint(rune(data)) {
console.WriteByte(data)
}
buf[0] = data
if _, err := f.Write(buf); err != nil {
fmt.Printf("\nerror writing: %s\r\n", err)
return
}
n++
}
}
}
}
func createSampleFile(name string, buf []byte) (int, error) {
for j := uint8(0); j < uint8(len(buf)); j++ {
buf[j] = 0x20 + j
}
f, err := fs.OpenFile(name, os.O_CREATE|os.O_WRONLY|os.O_TRUNC)
if err != nil {
return 0, fmt.Errorf("error opening %s: %s", name, err.Error())
}
defer f.Close()
bytes, err := f.Write(buf)
if err != nil {
return 0, fmt.Errorf("error writing %s: %s", name, err.Error())
}
return bytes, nil
}
/*
func cd(argv []string) {
if fatfs == nil || rootdir == nil {
mnt(nil)
}
if len(argv) == 1 {
currdir = rootdir
return
}
tgt := ""
if len(argv) == 2 {
tgt = strings.TrimSpace(argv[1])
}
if debug {
println("Trying to cd to " + tgt)
}
if tgt == "" {
println("Usage: cd <target dir>")
return
}
if debug {
println("Getting entry")
}
entry := currdir.Entry(tgt)
if entry == nil {
println("File not found: " + tgt)
return
}
if !entry.IsDir() {
println("Not a directory: " + tgt)
return
}
if debug {
println("Getting dir")
}
cd, err := entry.Dir()
if err != nil {
println("Could not cd to " + tgt + ": " + err.Error())
}
currdir = cd
}
*/
func cat(argv []string) {
tgt := ""
if len(argv) == 2 {
tgt = strings.TrimSpace(argv[1])
}
if debug {
println("Trying to cat to " + tgt)
}
if tgt == "" {
println("Usage: cat <target file>")
return
}
if debug {
println("Getting entry")
}
f, err := fs.Open(tgt)
if err != nil {
println("Could not open: " + err.Error())
return
}
defer f.Close()
if f.IsDir() {
println("Not a file: " + tgt)
return
}
off := 0x0
buf := make([]byte, 64)
for {
n, err := f.Read(buf)
if err != nil {
if err == io.EOF {
break
}
println("Error reading " + tgt + ": " + err.Error())
time.Sleep(1 * time.Second)
}
xxdfprint(os.Stdout, uint32(off), buf[:n])
off += n
}
}
func xxd(argv []string) {
var err error
var addr uint64 = 0x0
var size int = 64
switch len(argv) {
case 3:
if size, err = strconv.Atoi(argv[2]); err != nil {
println("Invalid size argument: " + err.Error() + "\r\n")
return
}
if size > 512 || size < 1 {
fmt.Printf("Size of hexdump must be greater than 0 and less than %d\r\n", 512)
return
}
fallthrough
case 2:
/*
if argv[1][:2] != "0x" {
println("Invalid hex address (should start with 0x)")
return
}
*/
if addr, err = strconv.ParseUint(argv[1], 16, 32); err != nil {
println("Invalid address: " + err.Error() + "\r\n")
return
}
fallthrough
case 1:
// no args supplied, so nothing to do here, just use the defaults
default:
println("usage: xxd <hex address, ex: 0xA0> <size of hexdump in bytes>\r\n")
return
}
buf := make([]byte, size)
//bsz := uint64(flash.SectorSize)
//blockdev.ReadBlock(uint32(addr/bsz), uint32(addr%bsz), buf)
flashdev.ReadAt(buf, int64(addr))
xxdfprint(os.Stdout, uint32(addr), buf)
}
func xxdfprint(w io.Writer, offset uint32, b []byte) {
var l int
var buf16 = make([]byte, 16)
for i, c := 0, len(b); i < c; i += 16 {
l = i + 16
if l >= c {
l = c
}
fmt.Fprintf(w, "%08x: % x ", offset+uint32(i), b[i:l])
for j, n := 0, l-i; j < 16; j++ {
if j >= n || !strconv.IsPrint(rune(b[i+j])) || b[i+j] >= 0x80 {
buf16[j] = '.'
} else {
buf16[j] = b[i+j]
}
}
console.Write(buf16)
println()
}
}
func prompt() {
print("==> ")
}
+17
View File
@@ -0,0 +1,17 @@
//go:build feather_m4 || feather_m4_can || feather_nrf52840
package main
import (
"machine"
)
func init() {
spi = &machine.SPI0
sckPin = machine.SPI0_SCK_PIN
sdoPin = machine.SPI0_SDO_PIN
sdiPin = machine.SPI0_SDI_PIN
csPin = machine.D10
ledPin = machine.LED
}
+17
View File
@@ -0,0 +1,17 @@
//go:build grandcentral_m4
package main
import (
"machine"
)
func init() {
spi = &machine.SPI1
sckPin = machine.SDCARD_SCK_PIN
sdoPin = machine.SDCARD_SDO_PIN
sdiPin = machine.SDCARD_SDI_PIN
csPin = machine.SDCARD_CS_PIN
ledPin = machine.LED
}
+17
View File
@@ -0,0 +1,17 @@
//go:build atsamd21 && !p1am_100
package main
import (
"machine"
)
func init() {
spi = &machine.SPI0
sckPin = machine.SPI0_SCK_PIN
sdoPin = machine.SPI0_SDO_PIN
sdiPin = machine.SPI0_SDI_PIN
csPin = machine.D2
ledPin = machine.LED
}
+40
View File
@@ -0,0 +1,40 @@
package main
import (
"fmt"
"machine"
"time"
"tinygo.org/x/drivers/examples/sdcard/tinyfs/console"
"tinygo.org/x/drivers/sdcard"
"tinygo.org/x/tinyfs/fatfs"
)
var (
spi *machine.SPI
sckPin machine.Pin
sdoPin machine.Pin
sdiPin machine.Pin
csPin machine.Pin
ledPin machine.Pin
)
func main() {
sd := sdcard.New(spi, sckPin, sdoPin, sdiPin, csPin)
err := sd.Configure()
if err != nil {
fmt.Printf("%s\r\n", err.Error())
for {
time.Sleep(time.Hour)
}
}
filesystem := fatfs.New(&sd)
// Configure FATFS with sector size (must match value in ff.h - use 512)
filesystem.Configure(&fatfs.Config{
SectorSize: 512,
})
console.RunFor(&sd, filesystem)
}
+17
View File
@@ -0,0 +1,17 @@
//go:build p1am_100
package main
import (
"machine"
)
func init() {
spi = &machine.SDCARD_SPI
sckPin = machine.SDCARD_SCK_PIN
sdoPin = machine.SDCARD_SDO_PIN
sdiPin = machine.SDCARD_SDI_PIN
csPin = machine.SDCARD_SS_PIN
ledPin = machine.LED
}
+17
View File
@@ -0,0 +1,17 @@
//go:build pygamer
package main
import (
"machine"
)
func init() {
spi = &machine.SPI0
sckPin = machine.SPI0_SCK_PIN
sdoPin = machine.SPI0_SDO_PIN
sdiPin = machine.SPI0_SDI_PIN
csPin = machine.D4
ledPin = machine.LED
}
+17
View File
@@ -0,0 +1,17 @@
//go:build pyportal
package main
import (
"machine"
)
func init() {
spi = &machine.SPI0
sckPin = machine.SPI0_SCK_PIN
sdoPin = machine.SPI0_SDO_PIN
sdiPin = machine.SPI0_SDI_PIN
csPin = machine.D32 // SD_CS
ledPin = machine.LED
}
@@ -0,0 +1,17 @@
//go:build thingplus_rp2040
package main
import (
"machine"
)
func init() {
spi = machine.SPI1
sckPin = machine.SPI1_SCK_PIN
sdoPin = machine.SPI1_SDO_PIN
sdiPin = machine.SPI1_SDI_PIN
csPin = machine.GPIO9
ledPin = machine.LED
}
+17
View File
@@ -0,0 +1,17 @@
//go:build wioterminal
package main
import (
"machine"
)
func init() {
spi = &machine.SPI2
sckPin = machine.SCK2
sdoPin = machine.SDO2
sdiPin = machine.SDI2
csPin = machine.SS2
ledPin = machine.LED
}
@@ -5,6 +5,8 @@ import (
"machine"
"time"
rfswitch "tinygo.org/x/drivers/examples/sx126x/rfswitch"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx126x"
)
@@ -22,11 +24,12 @@ func main() {
machine.LED.Configure(machine.PinConfig{Mode: machine.PinOutput})
// Create the driver
loraRadio = sx126x.New(spi)
loraRadio = sx126x.New(machine.SPI3)
loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
// Create radio controller for target
loraRadio.SetRadioController(newRadioControl())
// Create RF Switch
var radioSwitch rfswitch.CustomSwitch
loraRadio.SetRfSwitch(radioSwitch)
state := loraRadio.DetectDevice()
if !state {
@@ -35,8 +38,8 @@ func main() {
// Prepare for Lora operation
loraConf := lora.Config{
Freq: lora.MHz_868_1,
Bw: lora.Bandwidth_125_0,
Freq: FREQ,
Bw: lora.Bandwidth_500_0,
Sf: lora.SpreadingFactor9,
Cr: lora.CodingRate4_7,
HeaderType: lora.HeaderExplicit,
@@ -45,7 +48,7 @@ func main() {
Iq: lora.IQStandard,
Crc: lora.CRCOn,
SyncWord: lora.SyncPrivate,
LoraTxPowerDBm: 20,
LoraTxPowerDBm: 14,
}
loraRadio.LoraConfig(loraConf)
@@ -73,5 +76,6 @@ func main() {
loraRadio.SetStandby()
time.Sleep(60 * time.Second)
}
}
-19
View File
@@ -1,19 +0,0 @@
//go:build !stm32wlx
package main
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
var (
spi = machine.SPI0
nssPin, busyPin, dio1Pin = machine.GP17, machine.GP10, machine.GP11
rxPin, txLowPin, txHighPin = machine.GP13, machine.GP12, machine.GP12
)
func newRadioControl() sx126x.RadioController {
return sx126x.NewRadioControl(nssPin, busyPin, dio1Pin, rxPin, txLowPin, txHighPin)
}
@@ -1,15 +0,0 @@
//go:build stm32wlx
package main
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
var spi = machine.SPI3
func newRadioControl() sx126x.RadioController {
return sx126x.NewRadioControl()
}
+23 -9
View File
@@ -4,13 +4,19 @@ package main
// module will be in RX mode between two transmissions
import (
"device/stm32"
"machine"
"runtime/interrupt"
"time"
rfswitch "tinygo.org/x/drivers/examples/sx126x/rfswitch"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/sx126x"
)
const FREQ = 868100000
const (
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
@@ -21,19 +27,23 @@ var (
txmsg = []byte("Hello TinyGO")
)
func main() {
time.Sleep(3 * time.Second)
// radioIntHandler will take care of radio interrupts
func radioIntHandler(intr interrupt.Interrupt) {
loraRadio.HandleInterrupt()
}
func main() {
println("\n# TinyGo Lora RX/TX test")
println("# ----------------------")
machine.LED.Configure(machine.PinConfig{Mode: machine.PinOutput})
// Create the driver
loraRadio = sx126x.New(spi)
loraRadio = sx126x.New(machine.SPI3)
loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
// Create radio controller for target
loraRadio.SetRadioController(newRadioControl())
// Create RF Switch
var radioSwitch rfswitch.CustomSwitch
loraRadio.SetRfSwitch(radioSwitch)
// Detect the device
state := loraRadio.DetectDevice()
@@ -41,9 +51,13 @@ func main() {
panic("sx126x not detected.")
}
// Add interrupt handler for Radio IRQs
intr := interrupt.New(stm32.IRQ_Radio_IRQ_Busy, radioIntHandler)
intr.Enable()
loraConf := lora.Config{
Freq: lora.MHz_868_1,
Bw: lora.Bandwidth_125_0,
Freq: FREQ,
Bw: lora.Bandwidth_500_0,
Sf: lora.SpreadingFactor9,
Cr: lora.CodingRate4_7,
HeaderType: lora.HeaderExplicit,
@@ -59,10 +73,10 @@ func main() {
var count uint
for {
start := time.Now()
tStart := time.Now()
println("main: Receiving Lora for 10 seconds")
for time.Since(start) < 10*time.Second {
for int(time.Now().Sub(tStart).Seconds()) < 10 {
buf, err := loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
if err != nil {
println("RX Error: ", err)
-29
View File
@@ -1,29 +0,0 @@
//go:build !stm32wlx
package main
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
var (
spi = machine.SPI1
nssPin, busyPin, dio1Pin = machine.GP13, machine.GP6, machine.GP7
rxPin, txLowPin, txHighPin = machine.GP9, machine.GP8, machine.GP8
)
func newRadioControl() sx126x.RadioController {
return sx126x.NewRadioControl(nssPin, busyPin, dio1Pin, rxPin, txLowPin, txHighPin)
}
func init() {
spi.Configure(machine.SPIConfig{
Mode: 0,
Frequency: 8 * 1e6,
SDO: machine.SPI1_SDO_PIN,
SDI: machine.SPI1_SDI_PIN,
SCK: machine.SPI1_SCK_PIN,
})
}
@@ -1,15 +0,0 @@
//go:build stm32wlx
package main
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
var spi = machine.SPI3
func newRadioControl() sx126x.RadioController {
return sx126x.NewRadioControl()
}
+60
View File
@@ -0,0 +1,60 @@
//go:build gnse
/*
Generic Node Sensor Edition
RFSwitch
Disable Switch : PB8=OFF PA0=OFF PA1=OFF
Enable RX : PB8=ON PA0=ON PA1=OFF
Enable TX RFO LP : PB8=ON PA0=ON PA1=ON
Enable TX RFO HP : PB8=ON PA0=OFF PA1=ON
*/
package rfswitch
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
type CustomSwitch struct {
}
var (
rfstate int
)
func (s CustomSwitch) InitRFSwitch() {
machine.RF_FE_CTRL1.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.RF_FE_CTRL2.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.RF_FE_CTRL3.Configure(machine.PinConfig{Mode: machine.PinOutput})
rfstate = -1 //Unknown
}
func (s CustomSwitch) SetRfSwitchMode(mode int) error {
if mode == rfstate {
return nil
}
switch mode {
case sx126x.RFSWITCH_TX_HP:
machine.RF_FE_CTRL1.Set(false)
machine.RF_FE_CTRL2.Set(true)
machine.RF_FE_CTRL3.Set(true)
case sx126x.RFSWITCH_TX_LP:
machine.RF_FE_CTRL1.Set(true)
machine.RF_FE_CTRL2.Set(true)
machine.RF_FE_CTRL3.Set(true)
case sx126x.RFSWITCH_RX:
machine.RF_FE_CTRL1.Set(true)
machine.RF_FE_CTRL2.Set(false)
machine.RF_FE_CTRL3.Set(true)
}
rfstate = mode
return nil
}
+42
View File
@@ -0,0 +1,42 @@
//go:build lorae5
package radio
/*
/!\ LoRa-E5 module ONLY transmits through RFO_HP:
Receive: PA4=1, PA5=0
Transmit(high output power, SMPS mode): PA4=0, PA5=1
*/
import (
"errors"
"machine"
"tinygo.org/x/drivers/sx126x"
)
type CustomSwitch struct {
}
func (s CustomSwitch) InitRFSwitch() {
machine.PA4.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.PB5.Configure(machine.PinConfig{Mode: machine.PinOutput})
}
func (s CustomSwitch) SetRfSwitchMode(mode int) error {
switch mode {
case sx126x.RFSWITCH_RX:
machine.PA4.Set(true)
machine.PB5.Set(false)
case sx126x.RFSWITCH_TX_LP:
errors.New("RFSWITCH_TX_LP not supported ")
case sx126x.RFSWITCH_TX_HP:
machine.PA4.Set(false)
machine.PB5.Set(true)
}
return nil
}
+54
View File
@@ -0,0 +1,54 @@
//go:build nucleowl55jc
/*
Nucleo WL55JC1
RFSwitch
+-----------+---------+------------+------------+
| | FE_CTRL1 | FE_CTRL2 | FE_CTRL3 |
| | (PC4) | (PC5) | (PC3) |
+-----------+----------+-----------+------------+
| TX_HP | LOW | HIGH | HIGH |
| TX_LP | HIGH | HIGH | HIGH |
| RX | HIGH | LOW | HIGH |
+-----------+----------+-----------+------------+
*/
package rfswitch
import (
"machine"
"tinygo.org/x/drivers/sx126x"
)
type CustomSwitch struct {
}
func (s CustomSwitch) InitRFSwitch() {
machine.PC4.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.PC5.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.PC3.Configure(machine.PinConfig{Mode: machine.PinOutput})
}
func (s CustomSwitch) SetRfSwitchMode(mode int) error {
switch mode {
case sx126x.RFSWITCH_TX_HP:
machine.PC4.Set(false)
machine.PC5.Set(true)
machine.PC3.Set(true)
case sx126x.RFSWITCH_TX_LP:
machine.PC4.Set(true)
machine.PC5.Set(true)
machine.PC3.Set(true)
case sx126x.RFSWITCH_RX:
machine.PC4.Set(true)
machine.PC5.Set(false)
machine.PC3.Set(true)
}
return nil
}
+18 -6
View File
@@ -11,6 +11,8 @@ import (
"tinygo.org/x/drivers/sx127x"
)
const FREQ = 868100000
const (
LORA_DEFAULT_RXTIMEOUT_MS = 1000
LORA_DEFAULT_TXTIMEOUT_MS = 5000
@@ -38,13 +40,13 @@ func main() {
println("# ----------------------")
machine.LED.Configure(machine.PinConfig{Mode: machine.PinOutput})
SX127X_PIN_RST.Configure(machine.PinConfig{Mode: machine.PinOutput})
SX127X_PIN_CS.Configure(machine.PinConfig{Mode: machine.PinOutput})
SX127X_PIN_DIO0.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
SX127X_PIN_DIO1.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
SX127X_SPI.Configure(machine.SPIConfig{Frequency: 500000, Mode: 0})
println("main: create and start SX127x driver")
loraRadio = sx127x.New(SX127X_SPI, SX127X_PIN_RST)
loraRadio.SetRadioController(sx127x.NewRadioControl(SX127X_PIN_CS, SX127X_PIN_DIO0, SX127X_PIN_DIO1))
loraRadio = sx127x.New(SX127X_SPI, SX127X_PIN_CS, SX127X_PIN_RST)
loraRadio.Reset()
state := loraRadio.DetectDevice()
if !state {
@@ -53,10 +55,20 @@ func main() {
println("main: sx127x found")
}
// Setup DIO0 interrupt Handling
if err := SX127X_PIN_DIO0.SetInterrupt(machine.PinRising, dioIrqHandler); err != nil {
println("could not configure DIO0 pin interrupt:", err.Error())
}
// Setup DIO1 interrupt Handling
if err := SX127X_PIN_DIO1.SetInterrupt(machine.PinRising, dioIrqHandler); err != nil {
println("could not configure DIO1 pin interrupt:", err.Error())
}
// Prepare for Lora Operation
loraConf := lora.Config{
Freq: lora.MHz_868_1,
Bw: lora.Bandwidth_125_0,
Freq: FREQ,
Bw: lora.Bandwidth_500_0,
Sf: lora.SpreadingFactor9,
Cr: lora.CodingRate4_7,
HeaderType: lora.HeaderExplicit,
-40
View File
@@ -1,40 +0,0 @@
package main
import (
"time"
"tinygo.org/x/drivers/ttp229"
"machine"
)
func main() {
time.Sleep(5 * time.Second)
sensor := ttp229.NewPin(machine.A5, machine.A4)
sensor.Configure(ttp229.Configuration{Inputs: 16})
println("READY")
for {
sensor.ReadKeys()
for i := byte(0); i < 16; i++ {
if sensor.IsKeyPressed(i) {
print("1 ")
} else {
print("0 ")
}
}
println("")
println("Pressed key:", sensor.GetKey())
for i := byte(0); i < 16; i++ {
if sensor.IsKeyDown(i) {
println("Key", i, "is down")
} else if sensor.IsKeyUp(i) {
println("Key", i, "is up")
}
}
time.Sleep(100 * time.Millisecond)
}
}
+7 -19
View File
@@ -128,29 +128,17 @@ func waitSerial() {
}
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
println("Connected.")
}
+8 -23
View File
@@ -74,7 +74,6 @@ func main() {
waitSerial()
connectToAP()
displayIP()
// You can send and receive cookies in the following way
// import "tinygo.org/x/drivers/net/http/cookiejar"
@@ -132,42 +131,28 @@ func waitSerial() {
}
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
message(ip.String())
}
func message(msg string) {
println(msg, "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+8 -16
View File
@@ -65,7 +65,6 @@ func main() {
adaptor.Configure()
connectToAP()
displayIP()
opts := mqtt.NewClientOptions()
opts.AddBroker(server).SetClientID("tinygo-client-" + randomString(10))
@@ -102,33 +101,26 @@ func main() {
println("Done.")
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
println(err.Error())
time.Sleep(1 * time.Second)
}
println("IP address: " + ip.String())
println(ip.String())
}
// Returns an int >= min, < max
+9 -16
View File
@@ -71,7 +71,6 @@ func main() {
adaptor.Configure()
connectToAP()
displayIP()
opts := mqtt.NewClientOptions()
opts.AddBroker(server).SetClientID("tinygo-client-" + randomString(10))
@@ -114,33 +113,27 @@ func publishing() {
}
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
time.Sleep(2 * time.Second)
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
println(err.Error())
time.Sleep(1 * time.Second)
}
println("IP address: " + ip.String())
println(ip.String())
}
// Returns an int >= min, < max
+9 -23
View File
@@ -61,7 +61,6 @@ func main() {
waitSerial()
connectToAP()
displayIP()
// now make UDP connection
ip := net.ParseIP(ntpHost)
@@ -150,42 +149,29 @@ func clearBuffer() {
}
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
time.Sleep(2 * time.Second)
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
message(ip.String())
}
func message(format string, args ...interface{}) {
println(fmt.Sprintf(format, args...), "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+9 -23
View File
@@ -56,7 +56,6 @@ func main() {
adaptor.Configure()
connectToAP()
displayIP()
for {
sendBatch()
@@ -112,42 +111,29 @@ func sendBatch() {
conn.Close()
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
time.Sleep(2 * time.Second)
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
message(ip.String())
}
func message(msg string) {
println(msg, "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+9 -23
View File
@@ -66,7 +66,6 @@ func main() {
waitSerial()
connectToAP()
displayIP()
for {
readConnection()
@@ -122,42 +121,29 @@ func makeHTTPSRequest() {
lastRequestTime = time.Now()
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
time.Sleep(2 * time.Second)
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
message(ip.String())
}
func message(msg string) {
println(msg, "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+9 -27
View File
@@ -50,7 +50,6 @@ func main() {
// connect to access point
connectToAP()
displayIP()
// now make UDP connection
ip := net.ParseIP(hubIP)
@@ -58,10 +57,7 @@ func main() {
laddr := &net.UDPAddr{Port: 2222}
println("Dialing UDP connection...")
conn, err := net.DialUDP("udp", laddr, raddr)
if err != nil {
failMessage(err.Error())
}
conn, _ := net.DialUDP("udp", laddr, raddr)
for {
// send data
@@ -78,42 +74,28 @@ func main() {
println("Done.")
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
message(ip.String())
}
func message(msg string) {
println(msg, "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+10 -25
View File
@@ -20,8 +20,8 @@ var (
pass string
)
// IP address of the "example.com" server. Replace with your own info.
const server = "93.184.216.34"
// IP address of the server aka "hub". Replace with your own info.
const server = "tinygo.org"
// these are the default pins for the Arduino Nano33 IoT.
// change these to connect to a different UART or pins for the ESP8266/ESP32
@@ -63,7 +63,6 @@ func main() {
waitSerial()
connectToAP()
displayIP()
for {
readConnection()
@@ -124,42 +123,28 @@ func makeHTTPRequest() {
lastRequestTime = time.Now()
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil { // error connecting to AP
for {
println(err)
time.Sleep(1 * time.Second)
}
}
// error connecting to AP
failMessage(err.Error())
}
println("Connected.")
func displayIP() {
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
message(ip.String())
}
func message(msg string) {
println(msg, "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+19 -44
View File
@@ -27,11 +27,6 @@ var (
pass string
)
var (
// this is the ESP chip that has the WIFININA firmware flashed on it
adaptor *wifinina.Device
)
var led = machine.LED
func main() {
@@ -54,15 +49,31 @@ func run() error {
SCK: machine.NINA_SCK,
})
adaptor = wifinina.New(spi,
adaptor := wifinina.New(spi,
machine.NINA_CS,
machine.NINA_ACK,
machine.NINA_GPIO0,
machine.NINA_RESETN)
adaptor.Configure()
connectToAP()
displayIP()
time.Sleep(2 * time.Second)
println("Connecting to " + ssid)
err := adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err != nil {
return err
}
println("Connected.")
time.Sleep(2 * time.Second)
ip, subnet, gateway, err := adaptor.GetIP()
if err != nil {
return err
}
fmt.Printf("IP Address : %s\r\n", ip)
fmt.Printf("Mask : %s\r\n", subnet)
fmt.Printf("Gateway : %s\r\n", gateway)
http.UseDriver(adaptor)
@@ -193,42 +204,6 @@ func cnt(w http.ResponseWriter, r *http.Request) {
fmt.Fprintf(w, `{"cnt": %d}`, counter)
}
const retriesBeforeFailure = 3
// connect to access point
func connectToAP() {
time.Sleep(2 * time.Second)
var err error
for i := 0; i < retriesBeforeFailure; i++ {
println("Connecting to " + ssid)
err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
if err == nil {
println("Connected.")
return
}
}
// error connecting to AP
failMessage(err.Error())
}
func displayIP() {
ip, _, _, err := adaptor.GetIP()
for ; err != nil; ip, _, _, err = adaptor.GetIP() {
message(err.Error())
time.Sleep(1 * time.Second)
}
message("IP address: " + ip.String())
}
func message(msg string) {
println(msg, "\r")
}
func failMessage(msg string) {
for {
println(msg)
time.Sleep(1 * time.Second)
}
}
+1 -1
View File
@@ -5,8 +5,8 @@ go 1.15
require (
github.com/eclipse/paho.mqtt.golang v1.2.0
github.com/frankban/quicktest v1.10.2
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510
golang.org/x/net v0.0.0-20210614182718-04defd469f4e
tinygo.org/x/tinyfont v0.3.0
tinygo.org/x/tinyfs v0.2.0
tinygo.org/x/tinyterm v0.1.0
)
+2 -2
View File
@@ -5,8 +5,6 @@ github.com/frankban/quicktest v1.10.2 h1:19ARM85nVi4xH7xPXuc5eM/udya5ieh7b/Sv+d8
github.com/frankban/quicktest v1.10.2/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 h1:El6M4kTTCOh6aBiKaUGG7oYTSPP8MxqL4YI3kZKwcP4=
github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3pAXIBCelhxNneeOaAeabZDe5s4K6zSpQ=
github.com/hajimehoshi/go-jisx0208 v1.0.0/go.mod h1:yYxEStHL7lt9uL+AbdWgW9gBumwieDoZCiB1f/0X0as=
github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI=
github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
@@ -34,5 +32,7 @@ tinygo.org/x/tinyfont v0.2.1/go.mod h1:eLqnYSrFRjt5STxWaMeOWJTzrKhXqpWw7nU3bPfKO
tinygo.org/x/tinyfont v0.3.0 h1:HIRLQoI3oc+2CMhPcfv+Ig88EcTImE/5npjqOnMD4lM=
tinygo.org/x/tinyfont v0.3.0/go.mod h1:+TV5q0KpwSGRWnN+ITijsIhrWYJkoUCp9MYELjKpAXk=
tinygo.org/x/tinyfs v0.1.0/go.mod h1:ysc8Y92iHfhTXeyEM9+c7zviUQ4fN9UCFgSOFfMWv20=
tinygo.org/x/tinyfs v0.2.0 h1:M0lwZC/dEGFt16XYN5GTQsif/qCkAN2qUVNxELVD1xg=
tinygo.org/x/tinyfs v0.2.0/go.mod h1:6ZHYdvB3sFYeMB3ypmXZCNEnFwceKc61ADYTYHpep1E=
tinygo.org/x/tinyterm v0.1.0 h1:80i+j+KWoxCFa/Xfp6pWbh79x+8zUdMXC1vaKj2QhkY=
tinygo.org/x/tinyterm v0.1.0/go.mod h1:/DDhNnGwNF2/tNgHywvyZuCGnbH3ov49Z/6e8LPLRR4=
+6 -46
View File
@@ -13,39 +13,6 @@ import (
var (
errInvalidNMEASentenceLength = errors.New("invalid NMEA sentence length")
errInvalidNMEAChecksum = errors.New("invalid NMEA sentence checksum")
errEmptyNMEASentence = errors.New("cannot parse empty NMEA sentence")
errUnknownNMEASentence = errors.New("unsupported NMEA sentence type")
errInvalidGGASentence = errors.New("invalid GGA NMEA sentence")
errInvalidRMCSentence = errors.New("invalid RMC NMEA sentence")
errInvalidGLLSentence = errors.New("invalid GLL NMEA sentence")
)
type GPSError struct {
Err error
Info string
Sentence string
}
func newGPSError(err error, sentence string, info string) GPSError {
return GPSError{
Info: info,
Err: err,
Sentence: sentence,
}
}
func (ge GPSError) Error() string {
return ge.Err.Error() + " " + ge.Info + " " + ge.Sentence
}
func (ge GPSError) Unwrap() error {
return ge.Err
}
const (
minimumNMEALength = 7
startingDelimiter = '$'
checksumDelimiter = '*'
)
// Device wraps a connection to a GPS device.
@@ -93,11 +60,11 @@ func (gps *Device) readNextSentence() (sentence string) {
gps.sentence.Reset()
var b byte = ' '
for b != startingDelimiter {
for b != '$' {
b = gps.readNextByte()
}
for b != checksumDelimiter {
for b != '*' {
gps.sentence.WriteByte(b)
b = gps.readNextByte()
}
@@ -159,24 +126,17 @@ func (gps *Device) WriteBytes(bytes []byte) {
}
// validSentence checks if a sentence has been received uncorrupted
// For example, a valid NMEA sentence such as this:
// $GPGLL,3751.65,S,14507.36,E*77
// It has to start with a '$' character.
// It has to have a 5 character long sentence identifier.
// It has to end with a '*' character following by a checksum.
func validSentence(sentence string) error {
if len(sentence) < minimumNMEALength || sentence[0] != startingDelimiter || sentence[len(sentence)-3] != checksumDelimiter {
if len(sentence) < 4 || sentence[0] != '$' || sentence[len(sentence)-3] != '*' {
return errInvalidNMEASentenceLength
}
var cs byte = 0
for i := 1; i < len(sentence)-3; i++ {
cs ^= sentence[i]
}
checksum := strings.ToUpper(hex.EncodeToString([]byte{cs}))
if checksum != sentence[len(sentence)-2:len(sentence)] {
return newGPSError(errInvalidNMEAChecksum, sentence,
"expected "+sentence[len(sentence)-2:len(sentence)]+
" got "+checksum)
checksum := hex.EncodeToString([]byte{cs})
if (checksum[0] != sentence[len(sentence)-2]) || (checksum[1] != sentence[len(sentence)-1]) {
return errInvalidNMEAChecksum
}
return nil
+32 -63
View File
@@ -1,11 +1,19 @@
package gps
import (
"errors"
"strconv"
"strings"
"time"
)
var (
errEmptyNMEASentence = errors.New("cannot parse empty NMEA sentence")
errUnknownNMEASentence = errors.New("unsupported NMEA sentence type")
errInvalidGGASentence = errors.New("invalid GGA NMEA sentence")
errInvalidRMCSentence = errors.New("invalid RMC NMEA sentence")
)
// Parser for GPS NMEA sentences.
type Parser struct {
}
@@ -43,65 +51,43 @@ func NewParser() Parser {
}
// Parse parses a NMEA sentence looking for fix info.
func (parser *Parser) Parse(sentence string) (Fix, error) {
var fix Fix
func (parser *Parser) Parse(sentence string) (fix Fix, err error) {
if sentence == "" {
return fix, errEmptyNMEASentence
}
if len(sentence) < 6 {
return fix, errInvalidNMEASentenceLength
err = errEmptyNMEASentence
return
}
typ := sentence[3:6]
switch typ {
case "GGA":
// https://docs.novatel.com/OEM7/Content/Logs/GPGGA.htm
fields := strings.Split(sentence, ",")
if len(fields) != 15 {
return fix, errInvalidGGASentence
err = errInvalidGGASentence
return
}
fix.Time = findTime(fields[1])
fix.Latitude = findLatitude(fields[2], fields[3])
fix.Longitude = findLongitude(fields[4], fields[5])
fix.Satellites = findSatellites(fields[7])
fix.Altitude = findAltitude(fields[9])
fix.Satellites = findSatellites(fields[7])
fix.Longitude = findLongitude(fields[4], fields[5])
fix.Latitude = findLatitude(fields[2], fields[3])
fix.Time = findTime(fields[1])
fix.Valid = (fix.Altitude != -99999) && (fix.Satellites > 0)
return fix, nil
case "GLL":
// https://docs.novatel.com/OEM7/Content/Logs/GPGLL.htm
fields := strings.Split(sentence, ",")
if len(fields) != 8 {
return fix, errInvalidGLLSentence
}
fix.Latitude = findLatitude(fields[1], fields[2])
fix.Longitude = findLongitude(fields[3], fields[4])
fix.Time = findTime(fields[5])
fix.Valid = (fields[6] == "A")
return fix, nil
case "RMC":
// https://docs.novatel.com/OEM7/Content/Logs/GPRMC.htm
fields := strings.Split(sentence, ",")
if len(fields) != 13 {
return fix, errInvalidRMCSentence
err = errInvalidRMCSentence
return
}
fix.Time = findTime(fields[1])
fix.Valid = (fields[2] == "A")
fix.Latitude = findLatitude(fields[3], fields[4])
fix.Longitude = findLongitude(fields[5], fields[6])
fix.Latitude = findLatitude(fields[3], fields[4])
fix.Time = findTime(fields[1])
fix.Speed = findSpeed(fields[7])
fix.Heading = findHeading(fields[8])
date := findDate(fields[9])
fix.Time = fix.Time.AddDate(date.Year(), int(date.Month()), date.Day())
return fix, nil
fix.Valid = (len(fields[2]) > 0 && fields[2][0:1] == "A")
default:
err = errUnknownNMEASentence
}
return fix, newGPSError(errUnknownNMEASentence, sentence, typ)
return
}
// findTime returns the time from an NMEA sentence:
@@ -114,10 +100,7 @@ func findTime(val string) time.Time {
h, _ := strconv.ParseInt(val[0:2], 10, 8)
m, _ := strconv.ParseInt(val[2:4], 10, 8)
s, _ := strconv.ParseInt(val[4:6], 10, 8)
ms := int64(0)
if len(val) > 6 {
ms, _ = strconv.ParseInt(val[7:], 10, 16)
}
ms, _ := strconv.ParseInt(val[7:10], 10, 16)
t := time.Date(0, 0, 0, int(h), int(m), int(s), int(ms), time.UTC)
return t
@@ -137,11 +120,11 @@ func findAltitude(val string) int32 {
// $--GGA,,ddmm.mmmmm,x,,,,,,,,,,,*hh
func findLatitude(val, hemi string) float32 {
if len(val) > 8 {
dd := val[0:2]
mm := val[2:]
d, _ := strconv.ParseFloat(dd, 32)
m, _ := strconv.ParseFloat(mm, 32)
v := float32(d + (m / 60))
var dd = val[0:2]
var mm = val[2:]
var d, _ = strconv.ParseFloat(dd, 32)
var m, _ = strconv.ParseFloat(mm, 32)
var v = float32(d + (m / 60))
if hemi == "S" {
v *= -1
}
@@ -150,7 +133,7 @@ func findLatitude(val, hemi string) float32 {
return 0.0
}
// findLongitude returns the longitude from an NMEA sentence:
// findLatitude returns the longitude from an NMEA sentence:
// $--GGA,,,,dddmm.mmmmm,x,,,,,,,,,*hh
func findLongitude(val, hemi string) float32 {
if len(val) > 8 {
@@ -179,20 +162,6 @@ func findSatellites(val string) (n int16) {
return 0
}
// findDate returns the date from an RMC NMEA sentence.
func findDate(val string) time.Time {
if len(val) < 6 {
return time.Time{}
}
d, _ := strconv.ParseInt(val[0:2], 10, 8)
m, _ := strconv.ParseInt(val[2:4], 10, 8)
y, _ := strconv.ParseInt(val[4:6], 10, 8)
t := time.Date(int(2000+y), time.Month(m), int(d), 0, 0, 0, 0, time.UTC)
return t
}
// findSpeed returns the speed from an RMC NMEA sentence.
func findSpeed(val string) float32 {
if len(val) > 0 {
-103
View File
@@ -1,103 +0,0 @@
package gps
import (
"testing"
"time"
qt "github.com/frankban/quicktest"
)
func TestParseUnknownSentence(t *testing.T) {
c := qt.New(t)
p := NewParser()
val := "$GPGSV,3,1,09,07,14,317,22,08,31,284,25,10,32,133,39,16,85,232,29*7F"
_, err := p.Parse(val)
c.Assert(err.Error(), qt.Contains, "unsupported NMEA sentence type")
}
func TestParseGGA(t *testing.T) {
c := qt.New(t)
p := NewParser()
val := "$GPGGA,115739.00,4158.8441367,N,09147.4416929,"
fix, err := p.Parse(val)
if err != errInvalidGGASentence {
t.Error("should have errInvalidGGASentence error")
}
val = "$GPGGA,115739.00,4158.8441367,N,09147.4416929,W,4,13,0.9,255.747,M,-32.00,M,01,0000*6E"
fix, err = p.Parse(val)
if err != nil {
t.Error("should have parsed")
}
c.Assert(fix.Latitude, qt.Equals, float32(41.980735778808594))
c.Assert(fix.Longitude, qt.Equals, float32(-91.79069519042969))
c.Assert(fix.Altitude, qt.Equals, int32(255))
}
func TestParseGLL(t *testing.T) {
c := qt.New(t)
p := NewParser()
val := "$GPGLL,3953.88008971,N,10506.7531891"
_, err := p.Parse(val)
if err != errInvalidGLLSentence {
t.Error("should have errInvalidGLLSentence error")
}
val = "$GPGLL,5109.0262317,N,11401.8407304,W,202725.00,A,D*79"
fix, err := p.Parse(val)
if err != nil {
t.Error("should have parsed")
}
c.Assert(fix.Latitude, qt.Equals, float32(51.15043640136719))
c.Assert(fix.Longitude, qt.Equals, float32(-114.03067779541016))
}
func TestParseRMC(t *testing.T) {
c := qt.New(t)
p := NewParser()
val := "$GPRMC,203522.00,A,5109.0262308,N,11401.8407342,"
_, err := p.Parse(val)
if err != errInvalidRMCSentence {
t.Error("should have errInvalidRMCSentence error")
}
val = "$GPRMC,203522.00,A,5109.0262308,N,11401.8407342,W,0.004,133.4,130522,0.0,E,D*2B"
fix, err := p.Parse(val)
if err != nil {
t.Error("should have parsed")
}
c.Assert(fix.Time.Year(), qt.Equals, 2022)
c.Assert(fix.Time.Month(), qt.Equals, time.May)
c.Assert(fix.Time.Day(), qt.Equals, 13)
c.Assert(fix.Time.Hour(), qt.Equals, 20)
c.Assert(fix.Time.Minute(), qt.Equals, 35)
c.Assert(fix.Time.Second(), qt.Equals, 22)
c.Assert(fix.Latitude, qt.Equals, float32(51.15043640136719))
c.Assert(fix.Longitude, qt.Equals, float32(-114.03067779541016))
}
func TestTime(t *testing.T) {
c := qt.New(t)
val := ""
tm := findTime(val)
c.Assert(tm, qt.Equals, time.Time{})
val = "225446"
tm = findTime(val)
c.Assert(tm, qt.Equals, time.Date(0, 0, 0, 22, 54, 46, 0, time.UTC))
val = "124326.02752"
tm = findTime(val)
c.Assert(tm, qt.Equals, time.Date(0, 0, 0, 12, 43, 26, 2752, time.UTC))
}
-8
View File
@@ -3,9 +3,6 @@ package i2csoft
import (
"errors"
"machine"
"time"
"tinygo.org/x/drivers/delay"
)
// I2C is an I2C implementation by Software. Since it is implemented by
@@ -281,8 +278,3 @@ func (i2c *I2C) WriteRegister(address uint8, register uint8, data []byte) error
func (i2c *I2C) ReadRegister(address uint8, register uint8, data []byte) error {
return i2c.Tx(uint16(address), []byte{register}, data)
}
// wait waits for half the time of the SCL operation interval.
func (i2c *I2C) wait() {
delay.Sleep(50 * time.Microsecond) // half of a 100kHz cycle (50µs)
}
+16
View File
@@ -0,0 +1,16 @@
//go:build atsamd51 || atsame5x
package i2csoft
import (
"device"
)
// wait waits for half the time of the SCL operation interval. It is set to
// about 100 kHz.
func (i2c *I2C) wait() {
wait := 20
for i := 0; i < wait; i++ {
device.Asm(`nop`)
}
}
+16
View File
@@ -0,0 +1,16 @@
//go:build esp32
package i2csoft
import (
"device"
)
// wait waits for half the time of the SCL operation interval. It is set to
// about 100 kHz.
func (i2c *I2C) wait() {
wait := 60
for i := 0; i < wait; i++ {
device.Asm(`nop`)
}
}
+16
View File
@@ -0,0 +1,16 @@
//go:build nrf52840
package i2csoft
import (
"device"
)
// wait waits for half the time of the SCL operation interval. It is set to
// about 100 kHz.
func (i2c *I2C) wait() {
wait := 26
for i := 0; i < wait; i++ {
device.Asm(`nop`)
}
}
+15
View File
@@ -0,0 +1,15 @@
//go:build !esp32 && !atsamd51 && !atsame5x && !stm32f4 && !rp2040 && !nrf52840
package i2csoft
import (
"device"
)
// wait waits for half the time of the SCL operation interval.
func (i2c *I2C) wait() {
wait := 20
for i := 0; i < wait; i++ {
device.Asm(`nop`)
}
}
+16
View File
@@ -0,0 +1,16 @@
//go:build rp2040
package i2csoft
import (
"device"
)
// wait waits for half the time of the SCL operation interval. It is set to
// about 100 kHz.
func (i2c *I2C) wait() {
wait := 50
for i := 0; i < wait; i++ {
device.Asm(`nop`)
}
}
+16
View File
@@ -0,0 +1,16 @@
//go:build stm32f4
package i2csoft
import (
"device"
)
// wait waits for half the time of the SCL operation interval. It is set to
// about 100 kHz.
func (i2c *I2C) wait() {
wait := 77
for i := 0; i < wait; i++ {
device.Asm(`nop`)
}
}
+13 -58
View File
@@ -5,21 +5,19 @@ import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
)
type Config struct {
Width int16
Height int16
Rotation drivers.Rotation
Rotation Rotation
DisplayInversion bool
}
type Device struct {
width int16
height int16
rotation drivers.Rotation
rotation Rotation
driver driver
x0, x1 int16 // cached address window; prevents useless/expensive
@@ -138,12 +136,10 @@ func (d *Device) Configure(config Config) {
// Size returns the current size of the display.
func (d *Device) Size() (x, y int16) {
switch d.rotation {
case Rotation90, Rotation270, Rotation90Mirror, Rotation270Mirror:
if d.rotation == 1 || d.rotation == 3 {
return d.height, d.width
default: // Rotation0, Rotation180, etc
return d.width, d.height
}
return d.width, d.height
}
// SetPixel modifies the internal buffer.
@@ -160,18 +156,6 @@ func (d *Device) Display() error {
return nil
}
// EnableTEOutput enables the TE ("tearing effect") line.
// The TE line goes high when the screen is not currently being updated and can
// be used to start drawing. When used correctly, it can avoid tearing entirely.
func (d *Device) EnableTEOutput(on bool) {
if on {
cmdBuf[0] = 0
d.sendCommand(TEON, cmdBuf[:1]) // M=0 (V-blanking only, no H-blanking)
} else {
d.sendCommand(TEOFF, nil) // TEOFF
}
}
// DrawRGBBitmap copies an RGB bitmap to the internal buffer at given coordinates
func (d *Device) DrawRGBBitmap(x, y int16, data []uint16, w, h int16) error {
k, i := d.Size()
@@ -257,41 +241,13 @@ func (d *Device) FillScreen(c color.RGBA) {
}
}
// Set the sleep mode for this LCD panel. When sleeping, the panel uses a lot
// less power. The LCD won't display an image anymore, but the memory contents
// will be kept.
func (d *Device) Sleep(sleepEnabled bool) error {
if sleepEnabled {
// Shut down LCD panel.
d.sendCommand(SLPIN, nil)
time.Sleep(5 * time.Millisecond) // 5ms required by the datasheet
} else {
// Turn the LCD panel back on.
d.sendCommand(SLPOUT, nil)
// Note: the ili9341 documentation says that it is needed to wait at
// least 120ms before going to sleep again. Sleeping here would not be
// practical (delays turning on the screen too much), so just hope the
// screen won't need to sleep again for at least 120ms.
// In practice, it's unlikely the user will set the display to sleep
// again within 120ms.
}
return nil
}
// Rotation returns the current rotation of the device.
func (d *Device) Rotation() drivers.Rotation {
// GetRotation returns the current rotation of the device
func (d *Device) GetRotation() Rotation {
return d.rotation
}
// GetRotation returns the current rotation of the device.
//
// Deprecated: use Rotation instead.
func (d *Device) GetRotation() drivers.Rotation {
return d.rotation
}
// SetRotation changes the rotation of the device (clock-wise).
func (d *Device) SetRotation(rotation drivers.Rotation) error {
// SetRotation changes the rotation of the device (clock-wise)
func (d *Device) SetRotation(rotation Rotation) {
madctl := uint8(0)
switch rotation % 8 {
case Rotation0:
@@ -299,22 +255,21 @@ func (d *Device) SetRotation(rotation drivers.Rotation) error {
case Rotation90:
madctl = MADCTL_MV | MADCTL_BGR
case Rotation180:
madctl = MADCTL_MY | MADCTL_BGR | MADCTL_ML
madctl = MADCTL_MY | MADCTL_BGR
case Rotation270:
madctl = MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR | MADCTL_ML
madctl = MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR
case Rotation0Mirror:
madctl = MADCTL_BGR
case Rotation90Mirror:
madctl = MADCTL_MY | MADCTL_MV | MADCTL_BGR | MADCTL_ML
madctl = MADCTL_MY | MADCTL_MV | MADCTL_BGR
case Rotation180Mirror:
madctl = MADCTL_MX | MADCTL_MY | MADCTL_BGR | MADCTL_ML
madctl = MADCTL_MX | MADCTL_MY | MADCTL_BGR
case Rotation270Mirror:
madctl = MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR | MADCTL_ML
madctl = MADCTL_MX | MADCTL_MY | MADCTL_MV | MADCTL_BGR
}
cmdBuf[0] = madctl
d.sendCommand(MADCTL, cmdBuf[:1])
d.rotation = rotation
return nil
}
// SetScrollArea sets an area to scroll with fixed top/bottom or left/right parts of the display
+8 -12
View File
@@ -1,7 +1,5 @@
package ili9341
import "tinygo.org/x/drivers"
type Rotation uint8
const (
@@ -41,8 +39,6 @@ const (
PTLAR = 0x30 ///< Partial Area
VSCRDEF = 0x33 ///< Vertical Scrolling Definition
TEOFF = 0x34 ///< TEOFF: Tearing Effect Line OFF
TEON = 0x35 ///< TEON: Tearing Effect Line ON
MADCTL = 0x36 ///< Memory Access Control
VSCRSADD = 0x37 ///< Vertical Scrolling Start Address
PIXFMT = 0x3A ///< COLMOD: Pixel Format Set
@@ -81,13 +77,13 @@ const (
)
const (
Rotation0 = drivers.Rotation0
Rotation90 = drivers.Rotation90 // 90 degrees clock-wise rotation
Rotation180 = drivers.Rotation180
Rotation270 = drivers.Rotation270
Rotation0 Rotation = 0
Rotation90 Rotation = 1 // 90 degrees clock-wise rotation
Rotation180 Rotation = 2
Rotation270 Rotation = 3
Rotation0Mirror = drivers.Rotation0Mirror
Rotation90Mirror = drivers.Rotation90Mirror
Rotation180Mirror = drivers.Rotation180Mirror
Rotation270Mirror = drivers.Rotation270Mirror
Rotation0Mirror Rotation = 4
Rotation90Mirror Rotation = 5
Rotation180Mirror Rotation = 6
Rotation270Mirror Rotation = 7
)
-7
View File
@@ -76,10 +76,3 @@ const (
SyncPublic = iota
SyncPrivate
)
const (
MHz_868_1 = 868100000
MHz_868_5 = 868500000
MHz_916_8 = 916800000
MHz_923_3 = 923300000
)
-138
View File
@@ -1,138 +0,0 @@
package lorawan
import (
"errors"
"tinygo.org/x/drivers/lora"
"tinygo.org/x/drivers/lora/lorawan/region"
)
var (
ErrNoJoinAcceptReceived = errors.New("no JoinAccept packet received")
ErrNoRadioAttached = errors.New("no LoRa radio attached")
ErrInvalidEuiLength = errors.New("invalid EUI length")
ErrInvalidAppKeyLength = errors.New("invalid AppKey length")
ErrInvalidPacketLength = errors.New("invalid packet length")
ErrInvalidDevAddrLength = errors.New("invalid DevAddr length")
ErrInvalidMic = errors.New("invalid Mic")
ErrFrmPayloadTooLarge = errors.New("FRM payload too large")
ErrInvalidNetIDLength = errors.New("invalid NetID length")
ErrInvalidNwkSKeyLength = errors.New("invalid NwkSKey length")
ErrInvalidAppSKeyLength = errors.New("invalid AppSKey length")
ErrUndefinedRegionSettings = errors.New("undefined Regionnal Settings ")
)
const (
LORA_TX_TIMEOUT = 2000
LORA_RX_TIMEOUT = 10000
)
var (
ActiveRadio lora.Radio
Retries = 15
regionSettings region.RegionSettings
)
// UseRegionSettings sets current Lorawan Regional parameters
func UseRegionSettings(rs region.RegionSettings) {
regionSettings = rs
}
// UseRadio attaches Lora radio driver to Lorawan
func UseRadio(r lora.Radio) {
if ActiveRadio != nil {
panic("lorawan.ActiveRadio is already set")
}
ActiveRadio = r
}
// SetPublicNetwork defines Lora Sync Word according to network type (public/private)
func SetPublicNetwork(enabled bool) {
ActiveRadio.SetPublicNetwork(enabled)
}
// ApplyChannelConfig sets current Lora modulation according to current regional settings
func applyChannelConfig(ch *region.Channel) {
ActiveRadio.SetFrequency(ch.Frequency)
ActiveRadio.SetBandwidth(ch.Bandwidth)
ActiveRadio.SetCodingRate(ch.CodingRate)
ActiveRadio.SetSpreadingFactor(ch.SpreadingFactor)
ActiveRadio.SetPreambleLength(ch.PreambleLength)
ActiveRadio.SetTxPower(ch.TxPowerDBm)
// Lorawan defaults to explicit headers
ActiveRadio.SetHeaderType(lora.HeaderExplicit)
ActiveRadio.SetCrc(true)
}
// Join tries to connect Lorawan Gateway
func Join(otaa *Otaa, session *Session) error {
var resp []uint8
if ActiveRadio == nil {
return ErrNoRadioAttached
}
if regionSettings == nil {
return ErrUndefinedRegionSettings
}
otaa.Init()
// Send join packet
payload, err := otaa.GenerateJoinRequest()
if err != nil {
return err
}
// Prepare radio for Join Tx
applyChannelConfig(regionSettings.JoinRequestChannel())
ActiveRadio.SetIqMode(lora.IQStandard)
ActiveRadio.Tx(payload, LORA_TX_TIMEOUT)
if err != nil {
return err
}
// Wait for JoinAccept
applyChannelConfig(regionSettings.JoinAcceptChannel())
ActiveRadio.SetIqMode(lora.IQInverted)
resp, err = ActiveRadio.Rx(LORA_RX_TIMEOUT)
if err != nil {
return err
}
if resp == nil {
return ErrNoJoinAcceptReceived
}
err = otaa.DecodeJoinAccept(resp, session)
if err != nil {
return err
}
return nil
}
// SendUplink sends Lorawan Uplink message
func SendUplink(data []uint8, session *Session) error {
if regionSettings == nil {
return ErrUndefinedRegionSettings
}
payload, err := session.GenMessage(0, []byte(data))
if err != nil {
return err
}
applyChannelConfig(regionSettings.UplinkChannel())
ActiveRadio.SetIqMode(lora.IQStandard)
ActiveRadio.Tx(payload, LORA_TX_TIMEOUT)
if err != nil {
return err
}
return nil
}
func ListenDownlink() error {
return nil
}
-20
View File
@@ -1,20 +0,0 @@
package lorawan
import "crypto/rand"
// reverseBytes reverses order of a given byte slice
func reverseBytes(s []byte) []byte {
result := make([]byte, len(s))
for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
result[i], result[j] = s[j], s[i]
}
return result
}
// GetRand16 returns 2 random bytes
func GetRand16() ([2]uint8, error) {
var randomBytes [2]byte
_, err := rand.Read(randomBytes[:])
return randomBytes, err
}
-253
View File
@@ -1,253 +0,0 @@
package lorawan
import (
"bytes"
"crypto/aes"
"crypto/cipher"
"hash"
"unsafe"
)
type cmacHash struct {
ciph cipher.Block
k1 []byte
k2 []byte
data []byte
x []byte
}
const (
Size = aes.BlockSize
blockSize = Size
)
var (
subkeyZero []byte
subkeyRb []byte
)
func init() {
subkeyZero = bytes.Repeat([]byte{0x00}, blockSize)
subkeyRb = append(bytes.Repeat([]byte{0x00}, blockSize-1), 0x87)
}
// New returns an AES-CMAC hash using the supplied key. The key must be 16, 24,
// or 32 bytes long.
func NewCmac(key []byte) (hash.Hash, error) {
// Create a cipher.
ciph, err := aes.NewCipher(key)
if err != nil {
return nil, err
}
// Set up the hash object.
h := &cmacHash{ciph: ciph}
h.k1, h.k2 = generateSubkeys(ciph)
h.Reset()
return h, nil
}
func Xor(dst []byte, a []byte, b []byte) error {
if len(dst) != len(a) || len(a) != len(b) {
panic("crypto/Xor: bad length")
}
for i, _ := range a {
dst[i] = a[i] ^ b[i]
}
return nil
}
func (h *cmacHash) Reset() {
h.data = h.data[:0]
h.x = make([]byte, blockSize)
}
func (h *cmacHash) BlockSize() int {
return h.ciph.BlockSize()
}
func (h *cmacHash) Size() int {
return h.ciph.BlockSize()
}
func (h *cmacHash) Sum(b []byte) []byte {
dataLen := len(h.data)
// We should have at most one block left.
if dataLen > blockSize {
panic("cmacHash err1")
}
// Calculate M_last.
mLast := make([]byte, blockSize)
if dataLen == blockSize {
Xor(mLast, h.data, h.k1)
} else {
// TODO(jacobsa): Accept a destination buffer in common.PadBlock and
// simplify this code.
Xor(mLast, PadBlock(h.data), h.k2)
}
y := make([]byte, blockSize)
Xor(y, mLast, h.x)
result := make([]byte, blockSize)
h.ciph.Encrypt(result, y)
b = append(b, result...)
return b
}
func (h *cmacHash) Write(p []byte) (n int, err error) {
n = len(p)
// First step: consume enough data to expand h.data to a full block, if
// possible.
{
toConsume := blockSize - len(h.data)
if toConsume > len(p) {
toConsume = len(p)
}
h.data = append(h.data, p[:toConsume]...)
p = p[toConsume:]
}
// If there's no data left in p, it means h.data might not be a full block.
// Even if it is, we're not sure it's the final block, which we must treat
// specially. So we must stop here.
if len(p) == 0 {
return
}
// h.data is a full block and is not the last; process it.
h.writeBlocks(h.data)
h.data = h.data[:0]
// Consume any further full blocks in p that we're sure aren't the last. Note
// that we're sure that len(p) is greater than zero here.
blocksToProcess := (len(p) - 1) / blockSize
bytesToProcess := blocksToProcess * blockSize
h.writeBlocks(p[:bytesToProcess])
p = p[bytesToProcess:]
// Store the rest for later.
h.data = append(h.data, p...)
return
}
func (h *cmacHash) writeBlocks(p []byte) {
y := make([]byte, blockSize)
for off := 0; off < len(p); off += blockSize {
block := p[off : off+blockSize]
xorBlock(
unsafe.Pointer(&y[0]),
unsafe.Pointer(&h.x[0]),
unsafe.Pointer(&block[0]))
h.ciph.Encrypt(h.x, y)
}
return
}
func xorBlock(
dstPtr unsafe.Pointer,
aPtr unsafe.Pointer,
bPtr unsafe.Pointer) {
// Check assumptions. (These are compile-time constants, so this should
// compile out.)
const wordSize = unsafe.Sizeof(uintptr(0))
if blockSize != 4*wordSize {
panic("xorBlock err1")
}
// Convert.
a := (*[4]uintptr)(aPtr)
b := (*[4]uintptr)(bPtr)
dst := (*[4]uintptr)(dstPtr)
// Compute.
dst[0] = a[0] ^ b[0]
dst[1] = a[1] ^ b[1]
dst[2] = a[2] ^ b[2]
dst[3] = a[3] ^ b[3]
}
func PadBlock(block []byte) []byte {
blockLen := len(block)
if blockLen >= aes.BlockSize {
panic("PadBlock input must be less than 16 bytes.")
}
result := make([]byte, aes.BlockSize)
copy(result, block)
result[blockLen] = 0x80
return result
}
// Given the supplied cipher, whose block size must be 16 bytes, return two
// subkeys that can be used in MAC generation. See section 5.3 of NIST SP
// 800-38B. Note that the other NIST-approved block size of 8 bytes is not
// supported by this function.
func generateSubkeys(ciph cipher.Block) (k1 []byte, k2 []byte) {
if ciph.BlockSize() != blockSize {
panic("generateSubkeys requires a cipher with a block size of 16 bytes.")
}
// Step 1
l := make([]byte, blockSize)
ciph.Encrypt(l, subkeyZero)
// Step 2: Derive the first subkey.
if Msb(l) == 0 {
// TODO(jacobsa): Accept a destination buffer in ShiftLeft and then hoist
// the allocation in the else branch below.
k1 = ShiftLeft(l)
} else {
k1 = make([]byte, blockSize)
Xor(k1, ShiftLeft(l), subkeyRb)
}
// Step 3: Derive the second subkey.
if Msb(k1) == 0 {
k2 = ShiftLeft(k1)
} else {
k2 = make([]byte, blockSize)
Xor(k2, ShiftLeft(k1), subkeyRb)
}
return
}
func ShiftLeft(b []byte) []byte {
l := len(b)
if l == 0 {
panic("shiftLeft requires a non-empty buffer.")
}
output := make([]byte, l)
overflow := byte(0)
for i := int(l - 1); i >= 0; i-- {
output[i] = b[i] << 1
output[i] |= overflow
overflow = (b[i] & 0x80) >> 7
}
return output
}
// Msb returns the most significant bit of the supplied data (which must be
// non-empty). This is the MSB(L) function of RFC 4493.
func Msb(buf []byte) uint8 {
if len(buf) == 0 {
panic("msb requires non-empty buffer.")
}
return buf[0] >> 7
}
-38
View File
@@ -1,38 +0,0 @@
package lorawan
import (
"encoding/binary"
)
// genPayloadMIC computes MIC given the payload and the key
func genPayloadMIC(payload []uint8, key [16]uint8) [4]uint8 {
var mic [4]uint8
hash, _ := NewCmac(key[:])
hash.Write(payload)
hb := hash.Sum([]byte{})
copy(mic[:], hb[0:4])
return mic
}
func calcMessageMIC(payload []uint8, key [16]uint8, dir uint8, addr []byte, fCnt uint32, lenMessage uint8) [4]uint8 {
var b0 []byte
b0 = append(b0, 0x49, 0x00, 0x00, 0x00, 0x00)
b0 = append(b0, dir)
b0 = append(b0, addr[:]...)
var b [4]byte
binary.LittleEndian.PutUint32(b[:], fCnt)
b0 = append(b0, b[:]...)
b0 = append(b0, 0x00)
b0 = append(b0, lenMessage)
var full []byte
full = append(full, b0...)
full = append(full, payload...)
var mic [4]uint8
hash, _ := NewCmac(key[:])
hash.Write(full)
hb := hash.Sum([]byte{})
copy(mic[:], hb[0:4])
return mic
}
-185
View File
@@ -1,185 +0,0 @@
package lorawan
import (
"bytes"
"crypto/aes"
"encoding/hex"
)
// Otaa is used to store Over The Air Activation data of a LoRaWAN session
type Otaa struct {
DevEUI [8]uint8
AppEUI [8]uint8
AppKey [16]uint8
devNonce [2]uint8
appNonce [3]uint8
NetID [3]uint8
buf []uint8
}
// Initialize DevNonce
func (o *Otaa) Init() {
o.buf = make([]uint8, 0)
o.generateDevNonce()
}
func (o *Otaa) generateDevNonce() {
// TODO: handle error
rnd, _ := GetRand16()
o.devNonce[0] = rnd[0]
o.devNonce[1] = rnd[1]
}
func (o *Otaa) incrementDevNonce() {
nonce := uint16(o.devNonce[1])<<8 | uint16(o.devNonce[0]) + 1
o.devNonce[0] = uint8(nonce)
o.devNonce[1] = uint8((nonce >> 8))
}
// Set configures the Otaa AppEUI, DevEUI, AppKey for the device
func (o *Otaa) Set(appEUI []uint8, devEUI []uint8, appKey []uint8) {
o.SetAppEUI(appEUI)
o.SetDevEUI(devEUI)
o.SetAppKey(appKey)
}
// SetAppEUI configures the Otaa AppEUI
func (o *Otaa) SetAppEUI(appEUI []uint8) error {
if len(appEUI) != 8 {
return ErrInvalidEuiLength
}
copy(o.AppEUI[:], appEUI)
return nil
}
func (o *Otaa) GetAppEUI() string {
return hex.EncodeToString(o.AppEUI[:])
}
// SetDevEUI configures the Otaa DevEUI
func (o *Otaa) SetDevEUI(devEUI []uint8) error {
if len(devEUI) != 8 {
return ErrInvalidEuiLength
}
copy(o.DevEUI[:], devEUI)
return nil
}
func (o *Otaa) GetDevEUI() string {
return hex.EncodeToString(o.DevEUI[:])
}
// SetAppKey configures the Otaa AppKey
func (o *Otaa) SetAppKey(appKey []uint8) error {
if len(appKey) != 16 {
return ErrInvalidAppKeyLength
}
copy(o.AppKey[:], appKey)
return nil
}
func (o *Otaa) GetAppKey() string {
return hex.EncodeToString(o.AppKey[:])
}
func (o *Otaa) GetNetID() string {
return hex.EncodeToString(o.NetID[:])
}
func (o *Otaa) SetNetID(netID []uint8) error {
if len(netID) != 3 {
return ErrInvalidNetIDLength
}
copy(o.NetID[:], netID)
return nil
}
// GenerateJoinRequest Generates a LoraWAN Join request
func (o *Otaa) GenerateJoinRequest() ([]uint8, error) {
o.incrementDevNonce()
// TODO: Add checks
o.buf = o.buf[:0]
o.buf = append(o.buf, 0x00)
o.buf = append(o.buf, reverseBytes(o.AppEUI[:])...)
o.buf = append(o.buf, reverseBytes(o.DevEUI[:])...)
o.buf = append(o.buf, o.devNonce[:]...)
mic := genPayloadMIC(o.buf, o.AppKey)
o.buf = append(o.buf, mic[:]...)
return o.buf, nil
}
// DecodeJoinAccept Decodes a Lora Join Accept packet
func (o *Otaa) DecodeJoinAccept(phyPload []uint8, s *Session) error {
if len(phyPload) < 12 {
return ErrInvalidPacketLength
}
data := phyPload[1:] // Remove trailing 0x20
// Prepare AES Cipher
block, err := aes.NewCipher(o.AppKey[:])
if err != nil {
return err
}
buf := make([]byte, len(data))
for k := 0; k < len(data)/aes.BlockSize; k++ {
block.Encrypt(buf[k*aes.BlockSize:], data[k*aes.BlockSize:])
}
copy(o.appNonce[:], buf[0:3])
copy(o.NetID[:], buf[3:6])
copy(s.DevAddr[:], buf[6:10])
s.DLSettings = buf[10]
s.RXDelay = buf[11]
if len(buf) > 16 {
copy(s.CFList[:], buf[12:28])
}
rxMic := buf[len(buf)-4:]
dataMic := []byte{}
dataMic = append(dataMic, phyPload[0])
dataMic = append(dataMic, o.appNonce[:]...)
dataMic = append(dataMic, o.NetID[:]...)
dataMic = append(dataMic, s.DevAddr[:]...)
dataMic = append(dataMic, s.DLSettings)
dataMic = append(dataMic, s.RXDelay)
dataMic = append(dataMic, s.CFList[:]...)
computedMic := genPayloadMIC(dataMic[:], o.AppKey)
if !bytes.Equal(computedMic[:], rxMic[:]) {
return ErrInvalidMic
}
// Generate NwkSKey
// NwkSKey = aes128_encrypt(AppKey, 0x01|AppNonce|NetID|DevNonce|pad16)
sKey := []byte{}
sKey = append(sKey, 0x01)
sKey = append(sKey, o.appNonce[:]...)
sKey = append(sKey, o.NetID[:]...)
sKey = append(sKey, o.devNonce[:]...)
for i := 0; i < 7; i++ {
sKey = append(sKey, 0x00) // PAD to 16
}
block.Encrypt(buf, sKey)
copy(s.NwkSKey[:], buf[0:16])
// Generate AppSKey
// AppSKey = aes128_encrypt(AppKey, 0x02|AppNonce|NetID|DevNonce|pad16)
sKey[0] = 0x02
block.Encrypt(buf, sKey)
copy(s.AppSKey[:], buf[0:16])
// Reset counters
s.FCntDown = 0
s.FCntUp = 0
return nil
}
-49
View File
@@ -1,49 +0,0 @@
package region
import "tinygo.org/x/drivers/lora"
const (
AU915_DEFAULT_PREAMBLE_LEN = 8
AU915_DEFAULT_TX_POWER_DBM = 20
)
type RegionSettingsAU915 struct {
joinRequestChannel *Channel
joinAcceptChannel *Channel
uplinkChannel *Channel
}
func AU915() *RegionSettingsAU915 {
return &RegionSettingsAU915{
joinRequestChannel: &Channel{lora.MHz_916_8,
lora.Bandwidth_125_0,
lora.SpreadingFactor9,
lora.CodingRate4_5,
AU915_DEFAULT_PREAMBLE_LEN,
AU915_DEFAULT_TX_POWER_DBM},
joinAcceptChannel: &Channel{lora.MHz_923_3,
lora.Bandwidth_500_0,
lora.SpreadingFactor9,
lora.CodingRate4_5,
AU915_DEFAULT_PREAMBLE_LEN,
AU915_DEFAULT_TX_POWER_DBM},
uplinkChannel: &Channel{lora.MHz_916_8,
lora.Bandwidth_125_0,
lora.SpreadingFactor9,
lora.CodingRate4_5,
AU915_DEFAULT_PREAMBLE_LEN,
AU915_DEFAULT_TX_POWER_DBM},
}
}
func (r *RegionSettingsAU915) JoinRequestChannel() *Channel {
return r.joinRequestChannel
}
func (r *RegionSettingsAU915) JoinAcceptChannel() *Channel {
return r.joinAcceptChannel
}
func (r *RegionSettingsAU915) UplinkChannel() *Channel {
return r.uplinkChannel
}
-49
View File
@@ -1,49 +0,0 @@
package region
import "tinygo.org/x/drivers/lora"
const (
EU868_DEFAULT_PREAMBLE_LEN = 8
EU868_DEFAULT_TX_POWER_DBM = 20
)
type RegionSettingsEU868 struct {
joinRequestChannel *Channel
joinAcceptChannel *Channel
uplinkChannel *Channel
}
func EU868() *RegionSettingsEU868 {
return &RegionSettingsEU868{
joinRequestChannel: &Channel{lora.MHz_868_1,
lora.Bandwidth_125_0,
lora.SpreadingFactor9,
lora.CodingRate4_7,
EU868_DEFAULT_PREAMBLE_LEN,
EU868_DEFAULT_TX_POWER_DBM},
joinAcceptChannel: &Channel{lora.MHz_868_1,
lora.Bandwidth_125_0,
lora.SpreadingFactor9,
lora.CodingRate4_7,
EU868_DEFAULT_PREAMBLE_LEN,
EU868_DEFAULT_TX_POWER_DBM},
uplinkChannel: &Channel{lora.MHz_868_1,
lora.Bandwidth_125_0,
lora.SpreadingFactor9,
lora.CodingRate4_7,
EU868_DEFAULT_PREAMBLE_LEN,
EU868_DEFAULT_TX_POWER_DBM},
}
}
func (r *RegionSettingsEU868) JoinRequestChannel() *Channel {
return r.joinRequestChannel
}
func (r *RegionSettingsEU868) JoinAcceptChannel() *Channel {
return r.joinAcceptChannel
}
func (r *RegionSettingsEU868) UplinkChannel() *Channel {
return r.uplinkChannel
}
-16
View File
@@ -1,16 +0,0 @@
package region
type Channel struct {
Frequency uint32
Bandwidth uint8
SpreadingFactor uint8
CodingRate uint8
PreambleLength uint16
TxPowerDBm int8
}
type RegionSettings interface {
JoinRequestChannel() *Channel
JoinAcceptChannel() *Channel
UplinkChannel() *Channel
}

Some files were not shown because too many files have changed in this diff Show More