mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-08-10 09:53:42 +00:00
Lorawan uplink support and new lorawan 'basic-demo' example
This commit is contained in:
Olivier Fauchon
committed by
Ron Evans
Ron Evans
parent
301e6bc35b
commit
889536f7f0
@@ -4,6 +4,7 @@ import (
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"encoding/hex"
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"strings"
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"tinygo.org/x/drivers/examples/lora/lorawan/common"
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"tinygo.org/x/drivers/lora/lorawan"
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)
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@@ -14,7 +15,7 @@ func quicktest() {
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// Check firmware version.
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func version() {
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writeCommandOutput("VER", currentVersion()+" ("+firmwareVersion()+")")
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writeCommandOutput("VER", common.CurrentVersion()+" ("+common.FirmwareVersion()+")")
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}
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// Use to check the ID of the LoRaWAN module, or change the ID.
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@@ -443,7 +444,7 @@ func sendhex(data string) error {
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func recv(setting string) error {
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cmd := "RECV"
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data, err := lorarx()
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data, err := common.Lorarx()
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if err != nil {
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writeCommandOutput(cmd, "ERROR "+err.Error())
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return err
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@@ -456,7 +457,7 @@ func recv(setting string) error {
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func recvhex(setting string) error {
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cmd := "RECVHEX"
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data, err := lorarx()
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data, err := common.Lorarx()
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if err != nil {
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writeCommandOutput(cmd, "ERROR "+err.Error())
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return err
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@@ -12,6 +12,7 @@ import (
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"machine"
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"time"
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"tinygo.org/x/drivers/examples/lora/lorawan/common"
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"tinygo.org/x/drivers/lora"
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"tinygo.org/x/drivers/lora/lorawan"
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)
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@@ -34,7 +35,7 @@ func main() {
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uart.Configure(machine.UARTConfig{TX: tx, RX: rx})
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var err error
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radio, err = setupLora()
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radio, err = common.SetupLora()
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if err != nil {
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fail(err.Error())
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}
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@@ -1,10 +0,0 @@
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package main
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import (
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"errors"
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)
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var (
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errRadioNotFound = errors.New("radio not found")
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errRxTimeout = errors.New("radio RX timeout")
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)
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@@ -1,39 +0,0 @@
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//go:build !featherwing && !gnse && !lorae5 && !nucleowl55jc
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package main
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import "tinygo.org/x/drivers/lora"
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// do simulator setup here
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func setupLora() (lora.Radio, error) {
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return &SimLoraRadio{}, nil
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}
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type SimLoraRadio struct {
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}
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func (sr *SimLoraRadio) Reset() {
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}
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func (sr *SimLoraRadio) Tx(pkt []uint8, timeoutMs uint32) error {
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return nil
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}
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func (sr *SimLoraRadio) Rx(timeoutMs uint32) ([]uint8, error) {
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return nil, nil
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}
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func (sr *SimLoraRadio) SetFrequency(freq uint32) {}
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func (sr *SimLoraRadio) SetIqMode(mode uint8) {}
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func (sr *SimLoraRadio) SetCodingRate(cr uint8) {}
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func (sr *SimLoraRadio) SetBandwidth(bw uint8) {}
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func (sr *SimLoraRadio) SetCrc(enable bool) {}
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func (sr *SimLoraRadio) SetSpreadingFactor(sf uint8) {}
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func firmwareVersion() string {
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return "simulator " + currentVersion()
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}
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func lorarx() ([]byte, error) {
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return nil, nil
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}
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@@ -1,73 +0,0 @@
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//go:build gnse || lorae5 || nucleowl55jc
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package main
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import (
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"device/stm32"
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"machine"
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"runtime/interrupt"
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rfswitch "tinygo.org/x/drivers/examples/sx126x/rfswitch"
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"tinygo.org/x/drivers/lora"
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"tinygo.org/x/drivers/sx126x"
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)
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const (
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FREQ = 868100000
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LORA_DEFAULT_RXTIMEOUT_MS = 1000
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LORA_DEFAULT_TXTIMEOUT_MS = 5000
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)
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var (
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loraRadio *sx126x.Device
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)
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// do sx126x setup here
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func setupLora() (lora.Radio, error) {
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loraRadio = sx126x.New(machine.SPI3)
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loraRadio.SetDeviceType(sx126x.DEVICE_TYPE_SX1262)
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// Create RF Switch
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var radioSwitch rfswitch.CustomSwitch
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loraRadio.SetRfSwitch(radioSwitch)
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if state := loraRadio.DetectDevice(); !state {
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return nil, errRadioNotFound
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}
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// Add interrupt handler for Radio IRQs
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intr := interrupt.New(stm32.IRQ_Radio_IRQ_Busy, radioIntHandler)
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intr.Enable()
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loraConf := lora.Config{
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Freq: FREQ,
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Bw: lora.Bandwidth_500_0,
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Sf: lora.SpreadingFactor9,
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Cr: lora.CodingRate4_7,
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HeaderType: lora.HeaderExplicit,
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Preamble: 12,
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Ldr: lora.LowDataRateOptimizeOff,
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Iq: lora.IQStandard,
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Crc: lora.CRCOn,
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SyncWord: lora.SyncPrivate,
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LoraTxPowerDBm: 20,
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}
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loraRadio.LoraConfig(loraConf)
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return loraRadio, nil
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}
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// radioIntHandler will take care of radio interrupts
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func radioIntHandler(intr interrupt.Interrupt) {
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loraRadio.HandleInterrupt()
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}
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func firmwareVersion() string {
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return "sx126x"
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}
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func lorarx() ([]byte, error) {
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return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
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}
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@@ -1,85 +0,0 @@
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//go:build featherwing
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package main
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import (
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"strconv"
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"machine"
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"tinygo.org/x/drivers/lora"
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"tinygo.org/x/drivers/sx127x"
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)
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const (
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FREQ = 868100000
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LORA_DEFAULT_RXTIMEOUT_MS = 1000
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LORA_DEFAULT_TXTIMEOUT_MS = 5000
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)
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var (
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// We assume LoRa Featherwing module is connected to PyBadge:
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rstPin = machine.D11
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csPin = machine.D10
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dio0Pin = machine.D6
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dio1Pin = machine.D9
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spi = machine.SPI0
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loraRadio *sx127x.Device
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)
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// do sx127x setup here
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func setupLora() (lora.Radio, error) {
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rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
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csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
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dio0Pin.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
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dio1Pin.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
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spi.Configure(machine.SPIConfig{Frequency: 500000, Mode: 0})
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loraRadio = sx127x.New(spi, csPin, rstPin)
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loraRadio.Reset()
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if state := loraRadio.DetectDevice(); !state {
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return nil, errRadioNotFound
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}
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// Setup DIO0 interrupt Handling
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if err := dio0Pin.SetInterrupt(machine.PinRising, dioIrqHandler); err != nil {
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println("could not configure DIO0 pin interrupt:", err.Error())
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}
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// Setup DIO1 interrupt Handling
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if err := dio1Pin.SetInterrupt(machine.PinRising, dioIrqHandler); err != nil {
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println("could not configure DIO1 pin interrupt:", err.Error())
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}
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// Prepare for Lora Operation
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loraConf := lora.Config{
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Freq: FREQ,
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Bw: lora.Bandwidth_125_0,
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Sf: lora.SpreadingFactor9,
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Cr: lora.CodingRate4_7,
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HeaderType: lora.HeaderExplicit,
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Preamble: 12,
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Iq: lora.IQStandard,
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Crc: lora.CRCOn,
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SyncWord: lora.SyncPublic,
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LoraTxPowerDBm: 20,
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}
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loraRadio.LoraConfig(loraConf)
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return loraRadio, nil
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}
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func dioIrqHandler(machine.Pin) {
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loraRadio.HandleInterrupt()
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}
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func firmwareVersion() string {
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v := loraRadio.GetVersion()
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return "sx127x v" + strconv.Itoa(int(v))
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}
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func lorarx() ([]byte, error) {
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return loraRadio.Rx(LORA_DEFAULT_RXTIMEOUT_MS)
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}
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@@ -1,7 +0,0 @@
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package main
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const VERSION = "0.0.1"
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func currentVersion() string {
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return VERSION
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}
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@@ -1,54 +0,0 @@
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//go:build nucleowl55jc
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/*
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Nucleo WL55JC1
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RFSwitch
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+-----------+---------+------------+------------+
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| | FE_CTRL1 | FE_CTRL2 | FE_CTRL3 |
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| | (PC4) | (PC5) | (PC3) |
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+-----------+----------+-----------+------------+
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| TX_HP | LOW | HIGH | HIGH |
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| TX_LP | HIGH | HIGH | HIGH |
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| RX | HIGH | LOW | HIGH |
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+-----------+----------+-----------+------------+
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*/
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package main
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import (
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"machine"
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"tinygo.org/x/drivers/sx126x"
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)
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type CustomSwitch struct {
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}
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func (s CustomSwitch) InitRFSwitch() {
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machine.PC4.Configure(machine.PinConfig{Mode: machine.PinOutput})
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machine.PC5.Configure(machine.PinConfig{Mode: machine.PinOutput})
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machine.PC3.Configure(machine.PinConfig{Mode: machine.PinOutput})
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}
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func (s CustomSwitch) SetRfSwitchMode(mode int) error {
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switch mode {
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case sx126x.RFSWITCH_TX_HP:
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machine.PC4.Set(false)
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machine.PC5.Set(true)
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machine.PC3.Set(true)
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case sx126x.RFSWITCH_TX_LP:
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machine.PC4.Set(true)
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machine.PC5.Set(true)
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machine.PC3.Set(true)
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case sx126x.RFSWITCH_RX:
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machine.PC4.Set(true)
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machine.PC5.Set(false)
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machine.PC3.Set(true)
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}
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return nil
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}
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