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Fix Nano 33 BLE drivers (#351)

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Fix HTS221, LPS22HB and APDS9960 drivers and their examples for Arduino Nano 33 BLE:

* Update hts221_nano_33_ble.go
* Update lps22hb_nano_33_ble.go
* Update apds9960_nano_33_ble.go
This commit is contained in:
Alan Wang
2021-12-20 16:57:37 +08:00
committed by GitHub
parent 43099c5d5f
commit bee7422c3a
14 changed files with 151 additions and 160 deletions
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hts221/hts221.go
+8 -8
View File
@@ -21,6 +21,14 @@ type Device struct {
temperatureZero float32
}
// New creates a new HTS221 connection. The I2C bus must already be
// configured.
//
// This function only creates the Device object, it does not touch the device.
func New(bus drivers.I2C) Device {
return Device{bus: bus, Address: HTS221_ADDRESS}
}
// Connected returns whether HTS221 has been found.
// It does a "who am I" request and checks the response.
func (d *Device) Connected() bool {
@@ -29,14 +37,6 @@ func (d *Device) Connected() bool {
return data[0] == 0xBC
}
// Configure sets up the HTS221 device for communication.
func (d *Device) Configure() {
// read calibration data
d.calibration()
// activate device and use block data update mode
d.Power(true)
}
// Power is for turn on/off the HTS221 device
func (d *Device) Power(status bool) {
data := []byte{0}
hts221/hts221_generic.go
+6 -6
View File
@@ -5,10 +5,10 @@ package hts221
import "tinygo.org/x/drivers"
// New creates a new HTS221 connection. The I2C bus must already be
// configured.
//
// This function only creates the Device object, it does not touch the device.
func New(bus drivers.I2C) Device {
return Device{bus: bus, Address: HTS221_ADDRESS}
// Configure sets up the HTS221 device for communication.
func (d *Device) Configure() {
// read calibration data
d.calibration()
// activate device and use block data update mode
d.Power(true)
}
hts221/hts221_nano_33_ble.go
+13 -17
View File
@@ -6,24 +6,20 @@ package hts221
import (
"machine"
"time"
"tinygo.org/x/drivers"
)
// New creates a new HTS221 connection. The I2C bus must already be
// configured.
//
// This function only creates the Device object, it does not touch the device.
func New(bus drivers.I2C) Device {
// turn on internal power pin (machine.P0_22) and I2C1 pullups power pin (machine.P1_00)
// and wait a moment.
ENV := machine.P0_22
ENV.Configure(machine.PinConfig{Mode: machine.PinOutput})
ENV.High()
R := machine.P1_00
R.Configure(machine.PinConfig{Mode: machine.PinOutput})
R.High()
time.Sleep(time.Millisecond * 10)
// Configure sets up the HTS221 device for communication.
func (d *Device) Configure() {
// Following lines are Nano 33 BLE specific, they have nothing to do with sensor per se
machine.HTS_PWR.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.HTS_PWR.High()
machine.I2C_PULLUP.Configure(machine.PinConfig{Mode: machine.PinOutput})
machine.I2C_PULLUP.High()
// Wait a moment
time.Sleep(10 * time.Millisecond)
return Device{bus: bus, Address: HTS221_ADDRESS}
// read calibration data
d.calibration()
// activate device and use block data update mode
d.Power(true)
}