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Author SHA1 Message Date
deadprogram c4ff8242a7 all: updates for drivers release v0.32.0
Signed-off-by: deadprogram <ron@hybridgroup.com>
2025-06-15 22:36:34 +02:00
soypat 82c41dbf14 add driver design pointer to CONTRIBUTING.md 2025-05-28 11:03:09 +02:00
Hikmatulloh Hari Mukti c4168864fd bmp280: remove alloc on read sensor data 2025-05-28 10:29:08 +02:00
Leon Matthews dbc9022f6a ws2812: add 200MHz support for the Cortex-M0/rp2040 2025-05-20 13:09:35 +02:00
Mateusz Nowak d41bc0b85f fix: remove time.Sleep from SSD1306 SPI transfer code 2025-05-20 12:43:13 +02:00
Craig Swank e7f90166ad tmc2209 bug fixes (#755)
* Make write buffer big enough for crc
* crc according to datasheet
* fix build
* a correct crc func already exists
2025-05-20 12:27:30 +02:00
49 changed files with 945 additions and 810 deletions
+27
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@@ -1,3 +1,30 @@
0.32.0
---
- **enhancements**
- **bmp280**
- remove alloc on read sensor data
- **ws2812**
- add 200MHz support for the Cortex-M0/rp2040
- **bugfixes**
- **ssd1306**
- remove time.Sleep from SSD1306 SPI transfer code
- **tmc2209**
- tmc2209 bug fixes (#755)
- **docs**
- **contributing**
- add driver design pointer to CONTRIBUTING.md
0.31.0
---
---
- **enhancements**
- **spi**
- update all SPI usage to use either *machine.SPI or drivers.SPI
0.30.0
---
- **new devices**
+3
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@@ -8,6 +8,9 @@ We would like your help to make this project better, so we appreciate any contri
We'd love to get your feedback on getting started with TinyGo. Run into any difficulty, confusion, or anything else? You are not alone. We want to know about your experience, so we can help the next people. Please open a Github issue with your questions, or you can also get in touch directly with us on our Slack channel at [https://gophers.slack.com/messages/CDJD3SUP6](https://gophers.slack.com/messages/CDJD3SUP6).
### Driver design
Before porting or writing a driver from scratch please read **[Driver Design for TinyGo](https://tinygo.org/docs/guides/driver-design)**.
### One of the TinyGo drivers is not working as you expect
Please open a Github issue with your problem, and we will be happy to assist.
+3 -7
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@@ -5,10 +5,9 @@ package apa102 // import "tinygo.org/x/drivers/apa102"
import (
"image/color"
"machine"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
const (
@@ -38,11 +37,8 @@ func New(b drivers.SPI) *Device {
// NewSoftwareSPI returns a new APA102 driver that will use a software based
// implementation of the SPI protocol.
func NewSoftwareSPI(sckPin, sdoPin pin.Output, delay uint32) *Device {
return New(&bbSPI{SCK: sckPin.Set, SDO: sdoPin.Set, Delay: delay, configurePins: func() {
legacy.ConfigurePinOut(sckPin)
legacy.ConfigurePinOut(sdoPin)
}})
func NewSoftwareSPI(sckPin, sdoPin machine.Pin, delay uint32) *Device {
return New(&bbSPI{SCK: sckPin, SDO: sdoPin, Delay: delay})
}
// WriteColors writes the given RGBA color slice out using the APA102 protocol.
+6 -12
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@@ -1,9 +1,6 @@
package apa102
import (
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
)
import "machine"
// bbSPI is a dumb bit-bang implementation of SPI protocol that is hardcoded
// to mode 0 and ignores trying to receive data. Just enough for the APA102.
@@ -11,18 +8,15 @@ import (
// most purposes other than the APA102 package. It might be desirable to make
// this more generic and include it in the TinyGo "machine" package instead.
type bbSPI struct {
SCK drivers.PinOutput
SDO drivers.PinOutput
Delay uint32
configurePins func()
SCK machine.Pin
SDO machine.Pin
Delay uint32
}
// Configure sets up the SCK and SDO pins as outputs and sets them low
func (s *bbSPI) Configure() {
if s.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
s.configurePins()
s.SCK.Configure(machine.PinConfig{Mode: machine.PinOutput})
s.SDO.Configure(machine.PinConfig{Mode: machine.PinOutput})
s.SCK.Low()
s.SDO.Low()
if s.Delay == 0 {
+23 -31
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@@ -1,36 +1,31 @@
package bmi160
import (
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
// DeviceSPI is the SPI interface to a BMI160 accelerometer/gyroscope. There is
// also an I2C interface, but it is not yet supported.
type DeviceSPI struct {
// Chip select pin
csb drivers.PinOutput
CSB machine.Pin
buf [7]byte
// SPI bus (requires chip select to be usable).
bus drivers.SPI
configurePins func()
Bus drivers.SPI
}
// NewSPI returns a new device driver. The pin and SPI interface are not
// touched, provide a fully configured SPI object and call Configure to start
// using this device.
func NewSPI(csb pin.Output, spi drivers.SPI) *DeviceSPI {
func NewSPI(csb machine.Pin, spi drivers.SPI) *DeviceSPI {
return &DeviceSPI{
csb: csb.Set, // chip select
bus: spi,
configurePins: func() {
legacy.ConfigurePinOut(csb)
},
CSB: csb, // chip select
Bus: spi,
}
}
@@ -38,11 +33,8 @@ func NewSPI(csb pin.Output, spi drivers.SPI) *DeviceSPI {
// configures the BMI160, but it does not configure the SPI interface (it is
// assumed to be up and running).
func (d *DeviceSPI) Configure() error {
if d.configurePins == nil {
return legacy.ErrConfigBeforeInstantiated
}
d.configurePins()
d.csb.High()
d.CSB.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.CSB.High()
// The datasheet recommends doing a register read from address 0x7F to get
// SPI communication going:
@@ -94,9 +86,9 @@ func (d *DeviceSPI) ReadTemperature() (temperature int32, err error) {
data[0] = 0x80 | reg_TEMPERATURE_0
data[1] = 0
data[2] = 0
d.csb.Low()
err = d.bus.Tx(data, data)
d.csb.High()
d.CSB.Low()
err = d.Bus.Tx(data, data)
d.CSB.High()
if err != nil {
return
}
@@ -131,9 +123,9 @@ func (d *DeviceSPI) ReadAcceleration() (x int32, y int32, z int32, err error) {
for i := 1; i < len(data); i++ {
data[i] = 0
}
d.csb.Low()
err = d.bus.Tx(data, data)
d.csb.High()
d.CSB.Low()
err = d.Bus.Tx(data, data)
d.CSB.High()
if err != nil {
return
}
@@ -161,9 +153,9 @@ func (d *DeviceSPI) ReadRotation() (x int32, y int32, z int32, err error) {
for i := 1; i < len(data); i++ {
data[i] = 0
}
d.csb.Low()
err = d.bus.Tx(data, data)
d.csb.High()
d.CSB.Low()
err = d.Bus.Tx(data, data)
d.CSB.High()
if err != nil {
return
}
@@ -209,9 +201,9 @@ func (d *DeviceSPI) readRegister(address uint8) uint8 {
data := d.buf[:2]
data[0] = 0x80 | address
data[1] = 0
d.csb.Low()
d.bus.Tx(data, data)
d.csb.High()
d.CSB.Low()
d.Bus.Tx(data, data)
d.CSB.High()
return data[1]
}
@@ -225,7 +217,7 @@ func (d *DeviceSPI) writeRegister(address, data uint8) {
buf[0] = address
buf[1] = data
d.csb.Low()
d.bus.Tx(buf, buf)
d.csb.High()
d.CSB.Low()
d.Bus.Tx(buf, buf)
d.CSB.High()
}
+7 -8
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@@ -23,6 +23,7 @@ type Filter uint
type Device struct {
bus drivers.I2C
Address uint16
buf [6]byte
cali calibrationCoefficients
Temperature Oversampling
Pressure Oversampling
@@ -134,8 +135,8 @@ func (d *Device) PrintCali() {
// ReadTemperature returns the temperature in celsius milli degrees (°C/1000).
func (d *Device) ReadTemperature() (temperature int32, err error) {
data, err := d.readData(REG_TEMP, 3)
if err != nil {
data := d.buf[:3]
if err = d.readData(REG_TEMP, data); err != nil {
return
}
@@ -158,8 +159,8 @@ func (d *Device) ReadTemperature() (temperature int32, err error) {
// ReadPressure returns the pressure in milli pascals (mPa).
func (d *Device) ReadPressure() (pressure int32, err error) {
// First 3 bytes are Pressure, last 3 bytes are Temperature
data, err := d.readData(REG_PRES, 6)
if err != nil {
data := d.buf[:6]
if err = d.readData(REG_PRES, data); err != nil {
return
}
@@ -203,7 +204,7 @@ func (d *Device) ReadPressure() (pressure int32, err error) {
}
// readData reads n number of bytes of the specified register
func (d *Device) readData(register int, n int) ([]byte, error) {
func (d *Device) readData(register int, data []byte) error {
// If not in normal mode, set the mode to FORCED mode, to prevent incorrect measurements
// After the measurement in FORCED mode, the sensor will return to SLEEP mode
if d.Mode != MODE_NORMAL {
@@ -218,9 +219,7 @@ func (d *Device) readData(register int, n int) ([]byte, error) {
}
// Read the requested register
data := make([]byte, n)
err := legacy.ReadRegister(d.bus, uint8(d.Address), uint8(register), data[:])
return data, err
return legacy.ReadRegister(d.bus, uint8(d.Address), uint8(register), data[:])
}
// convert3Bytes converts three bytes to int32
+7 -8
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@@ -2,23 +2,22 @@
package buzzer // import "tinygo.org/x/drivers/buzzer"
import (
"time"
"machine"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/pin"
"time"
)
// Device wraps a GPIO connection to a buzzer.
type Device struct {
pin drivers.PinOutput
pin machine.Pin
High bool
BPM float64
}
// New returns a new buzzer driver given which pin to use
func New(pin pin.Output) Device {
func New(pin machine.Pin) Device {
return Device{
pin: pin.Set,
pin: pin,
High: false,
BPM: 96.0,
}
@@ -26,14 +25,14 @@ func New(pin pin.Output) Device {
// On sets the buzzer to a high state.
func (l *Device) On() (err error) {
l.pin.High()
l.pin.Set(true)
l.High = true
return
}
// Off sets the buzzer to a low state.
func (l *Device) Off() (err error) {
l.pin.Low()
l.pin.Set(false)
l.High = false
return
}
+67 -4
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@@ -2,9 +2,9 @@
package easystepper // import "tinygo.org/x/drivers/easystepper"
import (
"errors"
"machine"
"time"
"tinygo.org/x/drivers"
)
// StepMode determines the coil sequence used to perform a single step
@@ -30,10 +30,28 @@ func (sm StepMode) stepCount() uint {
}
}
// DeviceConfig contains the configuration data for a single easystepper driver
type DeviceConfig struct {
// Pin1 ... Pin4 determines the pins to configure and use for the device
Pin1, Pin2, Pin3, Pin4 machine.Pin
// StepCount is the number of steps required to perform a full revolution of the stepper motor
StepCount uint
// RPM determines the speed of the stepper motor in 'Revolutions per Minute'
RPM uint
// Mode determines the coil sequence used to perform a single step
Mode StepMode
}
// DualDeviceConfig contains the configuration data for a dual easystepper driver
type DualDeviceConfig struct {
DeviceConfig
// Pin5 ... Pin8 determines the pins to configure and use for the second device
Pin5, Pin6, Pin7, Pin8 machine.Pin
}
// Device holds the pins and the delay between steps
type Device struct {
pins [4]drivers.PinOutput
config func()
pins [4]machine.Pin
stepDelay time.Duration
stepNumber uint8
stepMode StepMode
@@ -44,6 +62,51 @@ type DualDevice struct {
devices [2]*Device
}
// New returns a new single easystepper driver given a DeviceConfig
func New(config DeviceConfig) (*Device, error) {
if config.StepCount == 0 || config.RPM == 0 {
return nil, errors.New("config.StepCount and config.RPM must be > 0")
}
return &Device{
pins: [4]machine.Pin{config.Pin1, config.Pin2, config.Pin3, config.Pin4},
stepDelay: time.Second * 60 / time.Duration((config.StepCount * config.RPM)),
stepMode: config.Mode,
}, nil
}
// Configure configures the pins of the Device
func (d *Device) Configure() {
for _, pin := range d.pins {
pin.Configure(machine.PinConfig{Mode: machine.PinOutput})
}
}
// NewDual returns a new dual easystepper driver given 8 pins, number of steps and rpm
func NewDual(config DualDeviceConfig) (*DualDevice, error) {
// Create the first device
dev1, err := New(config.DeviceConfig)
if err != nil {
return nil, err
}
// Create the second device
config.DeviceConfig.Pin1 = config.Pin5
config.DeviceConfig.Pin2 = config.Pin6
config.DeviceConfig.Pin3 = config.Pin7
config.DeviceConfig.Pin4 = config.Pin8
dev2, err := New(config.DeviceConfig)
if err != nil {
return nil, err
}
// Return composite dual device
return &DualDevice{devices: [2]*Device{dev1, dev2}}, nil
}
// Configure configures the pins of the DualDevice
func (d *DualDevice) Configure() {
d.devices[0].Configure()
d.devices[1].Configure()
}
// Move rotates the motor the number of given steps
// (negative steps will rotate it the opposite direction)
func (d *Device) Move(steps int32) {
-26
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@@ -1,26 +0,0 @@
package easystepper
import (
"errors"
"time"
"tinygo.org/x/drivers"
)
func NewCrossPlatform(stepcount, rpm uint, mode StepMode, pins [4]drivers.PinOutput) (*Device, error) {
if stepcount == 0 || rpm == 0 {
return nil, errors.New("zero rpm and/or stepcount")
}
for i := range pins {
if pins[i] == nil {
return nil, errors.New("nil pin")
}
}
d := &Device{
pins: pins,
stepDelay: time.Second * 60 / time.Duration((stepcount * rpm)),
stepMode: mode,
config: func() {},
}
return d, nil
}
-83
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@@ -1,83 +0,0 @@
//go:build baremetal
package easystepper
import (
"errors"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
)
// New returns a new single easystepper driver given a DeviceConfig
func New(config DeviceConfig) (*Device, error) {
if config.StepCount == 0 || config.RPM == 0 {
return nil, errors.New("config.StepCount and config.RPM must be > 0")
}
return &Device{
pins: [4]drivers.PinOutput{config.Pin1.Set, config.Pin2.Set, config.Pin3.Set, config.Pin4.Set},
stepDelay: time.Second * 60 / time.Duration((config.StepCount * config.RPM)),
stepMode: config.Mode,
config: func() {
legacy.ConfigurePinOut(config.Pin1)
legacy.ConfigurePinOut(config.Pin2)
legacy.ConfigurePinOut(config.Pin3)
legacy.ConfigurePinOut(config.Pin4)
},
}, nil
}
// Configure configures the pins of the Device
func (d *Device) Configure() {
if d.config == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
d.config()
}
// Configure configures the pins of the DualDevice
func (d *DualDevice) Configure() {
d.devices[0].Configure()
d.devices[1].Configure()
}
// NewDual returns a new dual easystepper driver given 8 pins, number of steps and rpm
func NewDual(config DualDeviceConfig) (*DualDevice, error) {
// Create the first device
dev1, err := New(config.DeviceConfig)
if err != nil {
return nil, err
}
// Create the second device
config.DeviceConfig.Pin1 = config.Pin5
config.DeviceConfig.Pin2 = config.Pin6
config.DeviceConfig.Pin3 = config.Pin7
config.DeviceConfig.Pin4 = config.Pin8
dev2, err := New(config.DeviceConfig)
if err != nil {
return nil, err
}
// Return composite dual device
return &DualDevice{devices: [2]*Device{dev1, dev2}}, nil
}
// DeviceConfig contains the configuration data for a single easystepper driver
type DeviceConfig struct {
// Pin1 ... Pin4 determines the pins to configure and use for the device
Pin1, Pin2, Pin3, Pin4 machine.Pin
// StepCount is the number of steps required to perform a full revolution of the stepper motor
StepCount uint
// RPM determines the speed of the stepper motor in 'Revolutions per Minute'
RPM uint
// Mode determines the coil sequence used to perform a single step
Mode StepMode
}
// DualDeviceConfig contains the configuration data for a dual easystepper driver
type DualDeviceConfig struct {
DeviceConfig
// Pin5 ... Pin8 determines the pins to configure and use for the second device
Pin5, Pin6, Pin7, Pin8 machine.Pin
}
+9 -13
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@@ -5,29 +5,28 @@
package ft6336
import (
"machine"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
"tinygo.org/x/drivers/touch"
)
// Device wraps FT6336 I2C Self-Capacitive touch
type Device struct {
bus drivers.I2C
buf []byte
Address uint8
configurePins func()
bus drivers.I2C
buf []byte
Address uint8
intPin machine.Pin
}
// New returns FT6336 device for the provided I2C bus using default address.
func New(i2c drivers.I2C, intPin pin.Input) *Device {
func New(i2c drivers.I2C, intPin machine.Pin) *Device {
return &Device{
bus: i2c,
buf: make([]byte, 11),
Address: Address,
configurePins: func() {
legacy.ConfigurePinInputPulldown(intPin)
},
intPin: intPin,
}
}
@@ -37,11 +36,8 @@ type Config struct {
// Configure the FT6336 device.
func (d *Device) Configure(config Config) error {
if d.configurePins == nil {
return legacy.ErrConfigBeforeInstantiated
}
d.write1Byte(0xA4, 0x00)
d.configurePins()
d.intPin.Configure(machine.PinConfig{Mode: machine.PinInputPulldown})
return nil
}
+15 -16
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@@ -5,13 +5,12 @@ package gc9a01 // import "tinygo.org/x/drivers/gc9a01"
import (
"image/color"
"machine"
"time"
"errors"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
// Rotation controls the rotation used by the display.
@@ -23,10 +22,10 @@ type FrameRate uint8
// Device wraps an SPI connection.
type Device struct {
bus drivers.SPI
dcPin drivers.PinOutput
resetPin drivers.PinOutput
csPin drivers.PinOutput
blPin drivers.PinOutput
dcPin machine.Pin
resetPin machine.Pin
csPin machine.Pin
blPin machine.Pin
width int16
height int16
columnOffsetCfg int16
@@ -53,17 +52,17 @@ type Config struct {
}
// New creates a new ST7789 connection. The SPI wire must already be configured.
func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin pin.Output) Device {
legacy.ConfigurePinOut(resetPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(blPin)
func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) Device {
resetPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
blPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
return Device{
bus: bus,
resetPin: resetPin.Set,
dcPin: dcPin.Set,
csPin: csPin.Set,
blPin: blPin.Set,
resetPin: resetPin,
dcPin: dcPin,
csPin: csPin,
blPin: blPin,
}
}
@@ -227,7 +226,7 @@ func (d *Device) Data(data uint8) {
// Tx sends data to the display
func (d *Device) Tx(data []byte, isCommand bool) {
d.dcPin(!isCommand)
d.dcPin.Set(!isCommand)
d.bus.Tx(data, nil)
}
+10 -20
View File
@@ -5,40 +5,30 @@
package hcsr04
import (
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
const TIMEOUT = 23324 // max sensing distance (4m)
// Device holds the pins
type Device struct {
trigger drivers.PinOutput
echo drivers.PinInput
configurePins func()
trigger machine.Pin
echo machine.Pin
}
// New returns a new ultrasonic driver given 2 pins
func New(trigger pin.Output, echo pin.Input) Device {
func New(trigger, echo machine.Pin) Device {
return Device{
trigger: trigger.Set,
echo: echo.Get,
configurePins: func() {
legacy.ConfigurePinOut(trigger)
legacy.ConfigurePinInput(echo)
},
trigger: trigger,
echo: echo,
}
}
// Configure configures the pins of the Device
func (d *Device) Configure() {
if d.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
d.configurePins()
d.trigger.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.echo.Configure(machine.PinConfig{Mode: machine.PinInput})
}
// ReadDistance returns the distance of the object in mm
@@ -62,7 +52,7 @@ func (d *Device) ReadPulse() int32 {
d.trigger.Low()
i := uint8(0)
for {
if d.echo() {
if d.echo.Get() {
t = time.Now()
break
}
@@ -76,7 +66,7 @@ func (d *Device) ReadPulse() int32 {
}
i = 0
for {
if !d.echo() {
if !d.echo.Get() {
return int32(time.Since(t).Microseconds())
}
i++
+5 -5
View File
@@ -210,7 +210,7 @@ func (d *Device) SendCommand(command byte) {
d.bus.SetCommandMode(true)
d.bus.Write([]byte{command})
for d.isBusy(command == DISPLAY_CLEAR || command == CURSOR_HOME) {
for d.busy(command == DISPLAY_CLEAR || command == CURSOR_HOME) {
}
}
@@ -219,7 +219,7 @@ func (d *Device) sendData(data byte) {
d.bus.SetCommandMode(false)
d.bus.Write([]byte{data})
for d.isBusy(false) {
for d.busy(false) {
}
}
@@ -231,9 +231,9 @@ func (d *Device) CreateCharacter(cgramAddr uint8, data []byte) {
}
}
// isBusy returns true when hd447890 is isBusy
// busy returns true when hd447890 is busy
// or after the timeout specified
func (d *Device) isBusy(longDelay bool) bool {
func (d *Device) busy(longDelay bool) bool {
if d.bus.WriteOnly() {
// Can't read busy flag if write only, so sleep a bit then return
if longDelay {
@@ -261,7 +261,7 @@ func (d *Device) isBusy(longDelay bool) bool {
// Busy returns true when hd447890 is busy
func (d *Device) Busy() bool {
return d.isBusy(false)
return d.busy(false)
}
// Size returns the current size of the display.
-54
View File
@@ -1,54 +0,0 @@
package legacy
import (
"errors"
"tinygo.org/x/drivers/internal/pin"
)
// ConfigurePinOut is a legacy function used to configure pins as outputs.
//
// Deprecated: Do not configure pins in drivers.
// This is a legacy feature and should only be used by drivers that
// previously configured pins in initialization to avoid breaking users.
func ConfigurePinOut(po pin.Output) {
configurePinOut(po)
}
// ConfigurePinInput is a legacy function used to configure pins as inputs.
//
// Deprecated: Do not configure pins in drivers.
// This is a legacy feature and should only be used by drivers that
// previously configured pins in initialization to avoid breaking users.
func ConfigurePinInputPulldown(pi pin.Input) {
configurePinInputPulldown(pi)
}
// ConfigurePinInput is a legacy function used to configure pins as inputs.
//
// Deprecated: Do not configure pins in drivers.
// This is a legacy feature and should only be used by drivers that
// previously configured pins in initialization to avoid breaking users.
func ConfigurePinInput(pi pin.Input) {
configurePinInput(pi)
}
// ConfigurePinInput is a legacy function used to configure pins as inputs.
//
// Deprecated: Do not configure pins in drivers.
// This is a legacy feature and should only be used by drivers that
// previously configured pins in initialization to avoid breaking users.
func ConfigurePinInputPullup(pi pin.Input) {
configurePinInputPullup(pi)
}
// PinIsNoPin returns true if the argument is a machine.Pin type and is the machine.NoPin predeclared type.
//
// Deprecated: Drivers do not require pin knowledge from now on.
func PinIsNoPin(pin any) bool {
return pinIsNoPin(pin)
}
var (
ErrConfigBeforeInstantiated = errors.New("device must be instantiated with New before calling Configure method")
)
-11
View File
@@ -1,11 +0,0 @@
//go:build !baremetal
package legacy
import "tinygo.org/x/drivers/internal/pin"
func configurePinOut(p pin.Output) {}
func configurePinInput(p pin.Input) {}
func configurePinInputPulldown(p pin.Input) {}
func configurePinInputPullup(p pin.Input) {}
func pinIsNoPin(a any) bool { return false }
-10
View File
@@ -1,10 +0,0 @@
//go:build baremetal && fe310
package legacy
import "machine"
const (
pulldown = machine.PinInput
pullup = machine.PinInput
)
-13
View File
@@ -1,13 +0,0 @@
//go:build baremetal && !fe310
package legacy
import "machine"
// If you are getting a build error here you then we missed adding
// your CPU build tag to the list of CPUs that do not have pulldown/pullups.
// Add it above and in pinhal_nopulls! You should also add a smoketest for it :)
const (
pulldown = machine.PinInputPulldown
pullup = machine.PinInputPullup
)
-37
View File
@@ -1,37 +0,0 @@
//go:build baremetal
package legacy
import (
"machine"
"tinygo.org/x/drivers/internal/pin"
)
func configurePinOut(po pin.Output) {
configurePin(po, machine.PinOutput)
}
func configurePinInputPulldown(pi pin.Input) {
configurePin(pi, pulldown) // some chips do not have pull down, in which case pulldown==machine.PinInput.
}
func configurePinInput(pi pin.Input) {
configurePin(pi, machine.PinInput)
}
func configurePinInputPullup(pi pin.Input) {
configurePin(pi, pullup) // some chips do not have pull up, in which case pullup==machine.PinInput.
}
func pinIsNoPin(a any) bool {
p, ok := a.(machine.Pin)
return ok && p == machine.NoPin
}
func configurePin(p any, mode machine.PinMode) {
machinePin, ok := p.(machine.Pin)
if ok {
machinePin.Configure(machine.PinConfig{Mode: mode})
}
}
-23
View File
@@ -1,23 +0,0 @@
package pin
import "tinygo.org/x/drivers"
// Here to aid relevant documentation links of [drivers.PinOutput] and [drivers.PinInput].
var _ drivers.PinOutput
// Output represents a pin hardware abstraction layer for a pin that can output a digital signal.
//
// This is an alternative to [drivers.PinOutput] abstraction which is a function type and has
// not been standardized as of yet as a standard HAL in the drivers package,
// [discussion ongoing here].
//
// [discussion ongoing here]: https://github.com/orgs/tinygo-org/discussions/5043
type Output interface {
Set(level bool)
}
// Input represents a pin hardware abstraction layer.
// See [Output] for more information on why this type exists separate to drivers.
type Input interface {
Get() (level bool)
}
+4 -4
View File
@@ -3,9 +3,9 @@ package max6675
import (
"errors"
"machine"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/pin"
)
// ErrThermocoupleOpen is returned when the thermocouple input is open.
@@ -14,16 +14,16 @@ var ErrThermocoupleOpen = errors.New("thermocouple input open")
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
cs machine.Pin
}
// Create a new Device to read from a MAX6675 thermocouple.
// Pins must be configured before use. Frequency for SPI
// should be 4.3MHz maximum.
func NewDevice(bus drivers.SPI, cs pin.Output) *Device {
func NewDevice(bus drivers.SPI, cs machine.Pin) *Device {
return &Device{
bus: bus,
cs: cs.Set,
cs: cs,
}
}
+9 -14
View File
@@ -3,36 +3,31 @@
package max72xx
import (
"machine"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
configurePins func()
bus drivers.SPI
cs machine.Pin
}
// NewDriver creates a new max7219 connection. The SPI wire must already be configured
// The SPI frequency must not be higher than 10MHz.
// parameter cs: the datasheet also refers to this pin as "load" pin.
func NewDevice(bus drivers.SPI, cs pin.Output) *Device {
func NewDevice(bus drivers.SPI, cs machine.Pin) *Device {
return &Device{
bus: bus,
cs: cs.Set,
configurePins: func() {
legacy.ConfigurePinOut(cs)
},
cs: cs,
}
}
// Configure setups the pins.
func (driver *Device) Configure() {
if driver.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
driver.configurePins()
outPutConfig := machine.PinConfig{Mode: machine.PinOutput}
driver.cs.Configure(outPutConfig)
}
// SetScanLimit sets the scan limit. Maximum is 8.
+8 -16
View File
@@ -8,20 +8,18 @@ package mcp2515 // import "tinygo.org/x/drivers/mcp2515"
import (
"errors"
"fmt"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
// Device wraps MCP2515 SPI CAN Module.
type Device struct {
spi SPI
cs drivers.PinOutput
msg *CANMsg
mcpMode byte
configurePins func()
spi SPI
cs machine.Pin
msg *CANMsg
mcpMode byte
}
// CANMsg stores CAN message fields.
@@ -38,18 +36,15 @@ const (
)
// New returns a new MCP2515 driver. Pass in a fully configured SPI bus.
func New(b drivers.SPI, csPin pin.Output) *Device {
func New(b drivers.SPI, csPin machine.Pin) *Device {
d := &Device{
spi: SPI{
bus: b,
tx: make([]byte, 0, bufferSize),
rx: make([]byte, 0, bufferSize),
},
cs: csPin.Set,
cs: csPin,
msg: &CANMsg{},
configurePins: func() {
legacy.ConfigurePinOut(csPin)
},
}
return d
@@ -57,10 +52,7 @@ func New(b drivers.SPI, csPin pin.Output) *Device {
// Configure sets up the device for communication.
func (d *Device) Configure() {
if d.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
d.configurePins()
d.cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
}
const beginTimeoutValue int = 10
+16 -24
View File
@@ -5,9 +5,8 @@ package onewire // import "tinygo.org/x/drivers/onewire"
import (
"errors"
"machine"
"time"
"tinygo.org/x/drivers"
)
// OneWire ROM commands
@@ -20,8 +19,7 @@ const (
// Device wraps a connection to an 1-Wire devices.
type Device struct {
set drivers.PinOutput
get drivers.PinInput
p machine.Pin
}
// Config wraps a configuration to an 1-Wire devices.
@@ -34,30 +32,24 @@ var (
errReadAddress = errors.New("Error: OneWire. Read address error: CRC mismatch.")
)
// NewFromFuncs expects pin setter and getter for DQ line. Ideally this driver should receive
// a one-wire bus HAL abstraction, but I was asked to show how this could be done using pin HAL so here goes.
func NewFromFuncs(getPinLevel drivers.PinInput, setPinLevel drivers.PinOutput) *Device {
return &Device{
set: setPinLevel,
get: getPinLevel,
// New creates a new GPIO 1-Wire connection.
// The pin must be pulled up to the VCC via a resistor greater than 500 ohms (default 4.7k).
func New(p machine.Pin) Device {
return Device{
p: p,
}
}
// Configure initializes the protocol.
func (d *Device) Configure(config Config) {}
// By setting the pin value one should configure as output and also expect a more
// consistent behaviour across all tinygo hosts by pulling DQ line low consistently. Win-win.
func (d *Device) cfgOut() { d.set.Low() }
func (d *Device) cfgIn() { d.get() }
// Reset pull DQ line low, then up.
func (d Device) Reset() error {
d.cfgOut()
d.p.Configure(machine.PinConfig{Mode: machine.PinOutput})
time.Sleep(480 * time.Microsecond)
d.cfgIn()
d.p.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
time.Sleep(70 * time.Microsecond)
precence := d.get()
precence := d.p.Get()
time.Sleep(410 * time.Microsecond)
if precence {
return errNoPresence
@@ -67,14 +59,14 @@ func (d Device) Reset() error {
// WriteBit transmits a bit to 1-Wire bus.
func (d Device) WriteBit(data uint8) {
d.cfgOut()
d.p.Configure(machine.PinConfig{Mode: machine.PinOutput})
if data&1 == 1 { // Send '1'
time.Sleep(5 * time.Microsecond)
d.cfgIn()
d.p.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
time.Sleep(60 * time.Microsecond)
} else { // Send '0'
time.Sleep(60 * time.Microsecond)
d.cfgIn()
d.p.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
time.Sleep(5 * time.Microsecond)
}
}
@@ -89,11 +81,11 @@ func (d Device) Write(data uint8) {
// ReadBit receives a bit from 1-Wire bus.
func (d Device) ReadBit() (data uint8) {
d.cfgOut()
d.p.Configure(machine.PinConfig{Mode: machine.PinOutput})
time.Sleep(3 * time.Microsecond)
d.cfgIn()
d.p.Configure(machine.PinConfig{Mode: machine.PinInputPullup})
time.Sleep(8 * time.Microsecond)
if d.get() {
if d.p.Get() {
data = 1
}
time.Sleep(60 * time.Microsecond)
-29
View File
@@ -1,29 +0,0 @@
package onewire
import (
"machine"
"tinygo.org/x/drivers/internal/legacy"
)
// New creates a new GPIO 1-Wire connection.
// The pin must be pulled up to the VCC via a resistor greater than 500 ohms (default 4.7k).
func New(p machine.Pin) Device {
isOut := false
return Device{
set: func(level bool) {
if !isOut {
legacy.ConfigurePinOut(p)
isOut = true
}
p.Set(level)
},
get: func() (level bool) {
if isOut {
legacy.ConfigurePinInputPullup(p)
isOut = false
}
return p.Get()
},
}
}
+8 -8
View File
@@ -6,18 +6,18 @@ package pcd8544 // import "tinygo.org/x/drivers/pcd8544"
import (
"errors"
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/pin"
)
// Device wraps an SPI connection.
type Device struct {
bus drivers.SPI
dcPin drivers.PinOutput
rstPin drivers.PinOutput
scePin drivers.PinOutput
dcPin machine.Pin
rstPin machine.Pin
scePin machine.Pin
buffer []byte
width int16
height int16
@@ -30,12 +30,12 @@ type Config struct {
}
// New creates a new PCD8544 connection. The SPI bus must already be configured.
func New(bus drivers.SPI, dcPin, rstPin, scePin pin.Output) *Device {
func New(bus drivers.SPI, dcPin, rstPin, scePin machine.Pin) *Device {
return &Device{
bus: bus,
dcPin: dcPin.Set,
rstPin: rstPin.Set,
scePin: scePin.Set,
dcPin: dcPin,
rstPin: rstPin,
scePin: scePin,
}
}
-29
View File
@@ -1,29 +0,0 @@
package drivers
// PinOutput is hardware abstraction for a pin which outputs a
// digital signal (high or low level).
//
// // Code conversion demo: from machine.Pin to drivers.PinOutput
// led := machine.LED
// led.Configure(machine.PinConfig{Mode: machine.PinOutput})
// var pin drivers.PinOutput = led.Set // Going from a machine.Pin to a drivers.PinOutput
type PinOutput func(level bool)
// High sets the underlying pin's level to high. This is equivalent to calling PinOutput(true).
func (po PinOutput) High() {
po(true)
}
// Low sets the underlying pin's level to low. This is equivalent to calling PinOutput(false).
func (po PinOutput) Low() {
po(false)
}
// PinInput is hardware abstraction for a pin which receives a
// digital signal and reads it (high or low level).
//
// // Code conversion demo: from machine.Pin to drivers.PinInput
// input := machine.LED
// input.Configure(machine.PinConfig{Mode: machine.PinInputPulldown}) // or use machine.PinInputPullup or machine.PinInput
// var pin drivers.PinInput = input.Get // Going from a machine.Pin to a drivers.PinInput
type PinInput func() (level bool)
+12 -20
View File
@@ -2,9 +2,7 @@
package shiftregister
import (
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
"machine"
)
type NumberBit int8
@@ -18,10 +16,9 @@ const (
// Device holds pin number
type Device struct {
latch, clock, out drivers.PinOutput // IC wiring
config func()
bits NumberBit // Pin number
mask uint32 // keep all pins state
latch, clock, out machine.Pin // IC wiring
bits NumberBit // Pin number
mask uint32 // keep all pins state
}
// ShiftPin is the implementation of the ShiftPin interface.
@@ -32,25 +29,20 @@ type ShiftPin struct {
}
// New returns a new shift output register device
func New(Bits NumberBit, Latch, Clock, Out pin.Output) *Device {
func New(Bits NumberBit, Latch, Clock, Out machine.Pin) *Device {
return &Device{
latch: Latch.Set,
clock: Clock.Set,
out: Out.Set,
latch: Latch,
clock: Clock,
out: Out,
bits: Bits,
config: func() {
legacy.ConfigurePinOut(Latch)
legacy.ConfigurePinOut(Clock)
legacy.ConfigurePinOut(Out)
},
}
}
// Configure set hardware configuration
func (d *Device) Configure() {
if d.config == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
d.latch.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.clock.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.out.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.latch.High()
}
@@ -61,7 +53,7 @@ func (d *Device) WriteMask(mask uint32) {
d.latch.Low()
for i := 0; i < int(d.bits); i++ {
d.clock.Low()
d.out(mask&1 != 0)
d.out.Set(mask&1 != 0)
mask = mask >> 1
d.clock.High()
}
-2
View File
@@ -1,5 +1,3 @@
//go:build baremetal
package ssd1289
import "machine"
+16 -18
View File
@@ -7,9 +7,6 @@ import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
)
type Bus interface {
@@ -17,10 +14,10 @@ type Bus interface {
}
type Device struct {
rs drivers.PinOutput
wr drivers.PinOutput
cs drivers.PinOutput
rst drivers.PinOutput
rs machine.Pin
wr machine.Pin
cs machine.Pin
rst machine.Pin
bus Bus
}
@@ -29,20 +26,21 @@ const height = int16(320)
func New(rs machine.Pin, wr machine.Pin, cs machine.Pin, rst machine.Pin, bus Bus) Device {
d := Device{
rs: rs.Set,
wr: wr.Set,
cs: cs.Set,
rst: rst.Set,
rs: rs,
wr: wr,
cs: cs,
rst: rst,
bus: bus,
}
legacy.ConfigurePinOut(rs)
legacy.ConfigurePinOut(wr)
legacy.ConfigurePinOut(cs)
legacy.ConfigurePinOut(rst)
cs.Set(true)
rst.Set(true)
wr.Set(true)
rs.Configure(machine.PinConfig{Mode: machine.PinOutput})
wr.Configure(machine.PinConfig{Mode: machine.PinOutput})
cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
cs.High()
rst.High()
wr.High()
return d
}
-2
View File
@@ -322,7 +322,6 @@ func (b *SPIBus) tx(data []byte, isCommand bool) error {
if isCommand {
b.csPin.High()
time.Sleep(1 * time.Millisecond)
b.dcPin.Low()
b.csPin.Low()
@@ -330,7 +329,6 @@ func (b *SPIBus) tx(data []byte, isCommand bool) error {
b.csPin.High()
} else {
b.csPin.High()
time.Sleep(1 * time.Millisecond)
b.dcPin.High()
b.csPin.Low()
+10 -11
View File
@@ -11,7 +11,6 @@ import (
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
)
type Model uint8
@@ -20,9 +19,9 @@ type Rotation uint8
// Device wraps an SPI connection.
type Device struct {
bus drivers.SPI
dcPin drivers.PinOutput
resetPin drivers.PinOutput
csPin drivers.PinOutput
dcPin machine.Pin
resetPin machine.Pin
csPin machine.Pin
width int16
height int16
batchLength int16
@@ -38,14 +37,14 @@ type Config struct {
// New creates a new SSD1331 connection. The SPI wire must already be configured.
func New(bus drivers.SPI, resetPin, dcPin, csPin machine.Pin) Device {
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(resetPin)
legacy.ConfigurePinOut(csPin)
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
resetPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
return Device{
bus: bus,
dcPin: dcPin.Set,
resetPin: resetPin.Set,
csPin: csPin.Set,
dcPin: dcPin,
resetPin: resetPin,
csPin: csPin,
}
}
@@ -252,7 +251,7 @@ func (d *Device) Data(data uint8) {
// Tx sends data to the display
func (d *Device) Tx(data []byte, isCommand bool) {
d.dcPin(!isCommand)
d.dcPin.Set(!isCommand)
d.bus.Tx(data, nil)
}
+24 -32
View File
@@ -6,11 +6,10 @@ package ssd1351 // import "tinygo.org/x/drivers/ssd1351"
import (
"errors"
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
var (
@@ -20,18 +19,17 @@ var (
// Device wraps an SPI connection.
type Device struct {
bus drivers.SPI
dcPin drivers.PinOutput
resetPin drivers.PinOutput
csPin drivers.PinOutput
enPin drivers.PinOutput
rwPin drivers.PinOutput
configurePins func()
width int16
height int16
rowOffset int16
columnOffset int16
bufferLength int16
bus drivers.SPI
dcPin machine.Pin
resetPin machine.Pin
csPin machine.Pin
enPin machine.Pin
rwPin machine.Pin
width int16
height int16
rowOffset int16
columnOffset int16
bufferLength int16
}
// Config is the configuration for the display
@@ -43,29 +41,19 @@ type Config struct {
}
// New creates a new SSD1351 connection. The SPI wire must already be configured.
func New(bus drivers.SPI, resetPin, dcPin, csPin, enPin, rwPin pin.Output) Device {
func New(bus drivers.SPI, resetPin, dcPin, csPin, enPin, rwPin machine.Pin) Device {
return Device{
bus: bus,
dcPin: dcPin.Set,
resetPin: resetPin.Set,
csPin: csPin.Set,
enPin: enPin.Set,
rwPin: rwPin.Set,
configurePins: func() {
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(resetPin)
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(enPin)
legacy.ConfigurePinOut(rwPin)
},
dcPin: dcPin,
resetPin: resetPin,
csPin: csPin,
enPin: enPin,
rwPin: rwPin,
}
}
// Configure initializes the display with default configuration
func (d *Device) Configure(cfg Config) {
if d.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
if cfg.Width == 0 {
cfg.Width = 128
}
@@ -85,7 +73,11 @@ func (d *Device) Configure(cfg Config) {
}
// configure GPIO pins
d.configurePins()
d.dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.resetPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.enPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.rwPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
// reset the device
d.resetPin.High()
@@ -286,7 +278,7 @@ func (d *Device) Data(data uint8) {
// Tx sends data to the display
func (d *Device) Tx(data []byte, isCommand bool) {
d.dcPin(!isCommand)
d.dcPin.Set(!isCommand)
d.csPin.Low()
d.bus.Tx(data, nil)
d.csPin.High()
+16 -17
View File
@@ -5,13 +5,12 @@ package st7735 // import "tinygo.org/x/drivers/st7735"
import (
"image/color"
"machine"
"time"
"errors"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
"tinygo.org/x/drivers/pixel"
)
@@ -40,10 +39,10 @@ type Device = DeviceOf[pixel.RGB565BE]
// formats.
type DeviceOf[T Color] struct {
bus drivers.SPI
dcPin drivers.PinOutput
resetPin drivers.PinOutput
csPin drivers.PinOutput
blPin drivers.PinOutput
dcPin machine.Pin
resetPin machine.Pin
csPin machine.Pin
blPin machine.Pin
width int16
height int16
columnOffset int16
@@ -66,23 +65,23 @@ type Config struct {
}
// New creates a new ST7735 connection. The SPI wire must already be configured.
func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin pin.Output) Device {
func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) Device {
return NewOf[pixel.RGB565BE](bus, resetPin, dcPin, csPin, blPin)
}
// NewOf creates a new ST7735 connection with a particular pixel format. The SPI
// wire must already be configured.
func NewOf[T Color](bus drivers.SPI, resetPin, dcPin, csPin, blPin pin.Output) DeviceOf[T] {
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(resetPin)
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(blPin)
func NewOf[T Color](bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) DeviceOf[T] {
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
resetPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
blPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
return DeviceOf[T]{
bus: bus,
dcPin: dcPin.Set,
resetPin: resetPin.Set,
csPin: csPin.Set,
blPin: blPin.Set,
dcPin: dcPin,
resetPin: resetPin,
csPin: csPin,
blPin: blPin,
}
}
@@ -424,7 +423,7 @@ func (d *DeviceOf[T]) Data(data uint8) {
// Tx sends data to the display
func (d *DeviceOf[T]) Tx(data []byte, isCommand bool) {
d.dcPin(!isCommand)
d.dcPin.Set(!isCommand)
d.bus.Tx(data, nil)
}
+17 -22
View File
@@ -7,14 +7,13 @@ package st7789 // import "tinygo.org/x/drivers/st7789"
import (
"image/color"
"machine"
"math"
"time"
"errors"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
"tinygo.org/x/drivers/pixel"
)
@@ -47,10 +46,10 @@ type Device = DeviceOf[pixel.RGB565BE]
// formats.
type DeviceOf[T Color] struct {
bus drivers.SPI
dcPin drivers.PinOutput
resetPin drivers.PinOutput
csPin drivers.PinOutput
blPin drivers.PinOutput
dcPin machine.Pin
resetPin machine.Pin
csPin machine.Pin
blPin machine.Pin
width int16
height int16
columnOffsetCfg int16
@@ -84,27 +83,23 @@ type Config struct {
}
// New creates a new ST7789 connection. The SPI wire must already be configured.
func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin pin.Output) Device {
func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) Device {
return NewOf[pixel.RGB565BE](bus, resetPin, dcPin, csPin, blPin)
}
// NewOf creates a new ST7789 connection with a particular pixel format. The SPI
// wire must already be configured.
func NewOf[T Color](bus drivers.SPI, resetPin, dcPin, csPin, blPin pin.Output) DeviceOf[T] {
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(resetPin)
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(blPin)
var cs drivers.PinOutput
if !legacy.PinIsNoPin(csPin) {
cs = csPin.Set
}
func NewOf[T Color](bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) DeviceOf[T] {
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
resetPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
blPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
return DeviceOf[T]{
bus: bus,
dcPin: dcPin.Set,
resetPin: resetPin.Set,
csPin: cs,
blPin: blPin.Set,
dcPin: dcPin,
resetPin: resetPin,
csPin: csPin,
blPin: blPin,
}
}
@@ -234,7 +229,7 @@ func (d *DeviceOf[T]) sendCommand(command uint8, data []byte) error {
// startWrite must be called at the beginning of all exported methods to set the
// chip select pin low.
func (d *DeviceOf[T]) startWrite() {
if d.csPin != nil {
if d.csPin != machine.NoPin {
d.csPin.Low()
}
}
@@ -242,7 +237,7 @@ func (d *DeviceOf[T]) startWrite() {
// endWrite must be called at the end of all exported methods to set the chip
// select pin high.
func (d *DeviceOf[T]) endWrite() {
if d.csPin != nil {
if d.csPin != machine.NoPin {
d.csPin.High()
}
}
+4 -4
View File
@@ -6,10 +6,10 @@ package sx127x
import (
"errors"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/pin"
"tinygo.org/x/drivers/lora"
)
@@ -22,7 +22,7 @@ const (
// Device wraps an SPI connection to a SX127x device.
type Device struct {
spi drivers.SPI // SPI bus for module communication
rstPin drivers.PinOutput // GPIO for reset
rstPin machine.Pin // GPIO for reset
radioEventChan chan lora.RadioEvent // Channel for Receiving events
loraConf lora.Config // Current Lora configuration
controller RadioController // to manage interactions with the radio
@@ -43,10 +43,10 @@ func (d *Device) GetRadioEventChan() chan lora.RadioEvent {
}
// New creates a new SX127x connection. The SPI bus must already be configured.
func New(spi drivers.SPI, rstPin pin.Output) *Device {
func New(spi drivers.SPI, rstPin machine.Pin) *Device {
k := Device{
spi: spi,
rstPin: rstPin.Set,
rstPin: rstPin,
radioEventChan: make(chan lora.RadioEvent, RADIOEVENTCHAN_SIZE),
spiTxBuf: make([]byte, SPI_BUFFER_SIZE),
spiRxBuf: make([]byte, SPI_BUFFER_SIZE),
+7 -15
View File
@@ -57,14 +57,10 @@ func (comm *UARTComm) WriteRegister(register uint8, value uint32, driverIndex ui
byte((value >> 16) & 0xFF), // Middle byte
byte((value >> 8) & 0xFF), // Next byte
byte(value & 0xFF), // LSB of value
0, // CRC
}
// Calculate checksum by XORing all bytes
checksum := byte(0)
for _, b := range buffer[:7] {
checksum ^= b
}
buffer[7] = checksum // Set checksum byte
buffer[7] = CalculateCRC(buffer[:7])
// Write the data to the TMC2209
done := make(chan error, 1)
@@ -86,10 +82,10 @@ func (comm *UARTComm) WriteRegister(register uint8, value uint32, driverIndex ui
// ReadRegister sends a register read command to the TMC2209 with a timeout.
func (comm *UARTComm) ReadRegister(register uint8, driverIndex uint8) (uint32, error) {
var writeBuffer [4]byte
writeBuffer[0] = 0x05 // Sync byte
writeBuffer[1] = 0x00 // Slave address
writeBuffer[2] = register & 0x7F // Read command (MSB clear for read)
writeBuffer[3] = writeBuffer[0] ^ writeBuffer[1] ^ writeBuffer[2] // Checksum
writeBuffer[0] = 0x05 // Sync byte
writeBuffer[1] = 0x00 // Slave address
writeBuffer[2] = register & 0x7F // Read command (MSB clear for read)
writeBuffer[3] = CalculateCRC(writeBuffer[:3])
// Send the read command
done := make(chan []byte, 1)
@@ -103,11 +99,7 @@ func (comm *UARTComm) ReadRegister(register uint8, driverIndex uint8) (uint32, e
// Implementing timeout using a 100ms timer
select {
case readBuffer := <-done:
// Validate checksum
checksum := byte(0)
for i := 0; i < 7; i++ {
checksum ^= readBuffer[i]
}
checksum := CalculateCRC(readBuffer[:7])
if checksum != readBuffer[7] {
return 0, CustomError("checksum error")
}
+17 -18
View File
@@ -8,11 +8,10 @@ package uc8151 // import "tinygo.org/x/drivers/uc8151"
import (
"errors"
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
"tinygo.org/x/drivers/pixel"
)
@@ -32,10 +31,10 @@ type Config struct {
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
width int16
height int16
buffer []uint8
@@ -50,17 +49,17 @@ type Device struct {
type Speed uint8
// New returns a new uc8151 driver. Pass in a fully configured SPI bus.
func New(bus drivers.SPI, csPin, dcPin, rstPin pin.Output, busyPin pin.Input) Device {
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(rstPin)
legacy.ConfigurePinInput(busyPin)
func New(bus drivers.SPI, csPin, dcPin, rstPin, busyPin machine.Pin) Device {
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
busyPin.Configure(machine.PinConfig{Mode: machine.PinInput})
return Device{
bus: bus,
cs: csPin.Set,
dc: dcPin.Set,
rst: rstPin.Set,
isBusy: busyPin.Get,
bus: bus,
cs: csPin,
dc: dcPin,
rst: rstPin,
busy: busyPin,
}
}
@@ -314,14 +313,14 @@ func (d *Device) ClearDisplay() {
// WaitUntilIdle waits until the display is ready
func (d *Device) WaitUntilIdle() {
for !d.isBusy() {
for !d.busy.Get() {
time.Sleep(10 * time.Millisecond)
}
}
// IsBusy returns the busy status of the display
func (d *Device) IsBusy() bool {
return d.isBusy()
return d.busy.Get()
}
// ClearBuffer sets the buffer to 0xFF (white)
+1 -1
View File
@@ -2,4 +2,4 @@ package drivers
// Version returns a user-readable string showing the version of the drivers package for support purposes.
// Update this value before release of new version of software.
const Version = "0.30.0"
const Version = "0.32.0"
+23 -33
View File
@@ -12,10 +12,6 @@ import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Config struct {
@@ -26,14 +22,14 @@ type Config struct {
}
type Device struct {
bus *machine.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
configurePins func()
buffer []uint8
rotation Rotation
bus *machine.SPI
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
buffer []uint8
rotation Rotation
}
type Rotation uint8
@@ -83,28 +79,22 @@ var partialRefresh = [159]uint8{
}
// New returns a new epd1in54 driver. Pass in a fully configured SPI bus.
func New(bus *machine.SPI, csPin, dcPin, rstPin pin.Output, busyPin pin.Input) Device {
func New(bus *machine.SPI, csPin, dcPin, rstPin, busyPin machine.Pin) Device {
return Device{
buffer: make([]uint8, (uint32(Width)*uint32(Height))/8),
bus: bus,
cs: csPin.Set,
dc: dcPin.Set,
rst: rstPin.Set,
isBusy: busyPin.Get,
configurePins: func() {
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(rstPin)
legacy.ConfigurePinInput(busyPin)
},
cs: csPin,
dc: dcPin,
rst: rstPin,
busy: busyPin,
}
}
func (d *Device) LDirInit(cfg Config) {
if d.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
d.configurePins()
d.cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.dc.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.busy.Configure(machine.PinConfig{Mode: machine.PinInput})
d.bus.Configure(machine.SPIConfig{
Frequency: 2000000,
@@ -160,10 +150,10 @@ func (d *Device) LDirInit(cfg Config) {
}
func (d *Device) HDirInit(cfg Config) {
if d.configurePins == nil {
panic(legacy.ErrConfigBeforeInstantiated)
}
d.configurePins()
d.cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.dc.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.busy.Configure(machine.PinConfig{Mode: machine.PinInput})
d.bus.Configure(machine.SPIConfig{
Frequency: 2000000,
@@ -379,7 +369,7 @@ func (d *Device) Clear() {
// WaitUntilIdle waits until the display is ready
func (d *Device) WaitUntilIdle() {
for d.isBusy() {
for d.busy.Get() {
time.Sleep(100 * time.Millisecond)
}
time.Sleep(200 * time.Millisecond)
@@ -387,7 +377,7 @@ func (d *Device) WaitUntilIdle() {
// IsBusy returns the busy status of the display
func (d *Device) IsBusy() bool {
return d.isBusy()
return d.busy.Get()
}
// ClearBuffer sets the buffer to 0xFF (white)
+17 -18
View File
@@ -6,11 +6,10 @@ package epd2in13 // import "tinygo.org/x/drivers/waveshare-epd/epd2in13"
import (
"errors"
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Config struct {
@@ -22,10 +21,10 @@ type Config struct {
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
logicalWidth int16
width int16
height int16
@@ -54,17 +53,17 @@ var lutPartialUpdate = [30]uint8{
}
// New returns a new epd2in13x driver. Pass in a fully configured SPI bus.
func New(bus drivers.SPI, csPin, dcPin, rstPin pin.Output, busyPin pin.Input) Device {
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(rstPin)
legacy.ConfigurePinInput(busyPin)
func New(bus drivers.SPI, csPin, dcPin, rstPin, busyPin machine.Pin) Device {
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
busyPin.Configure(machine.PinConfig{Mode: machine.PinInput})
return Device{
bus: bus,
cs: csPin.Set,
dc: dcPin.Set,
rst: rstPin.Set,
isBusy: busyPin.Get,
bus: bus,
cs: csPin,
dc: dcPin,
rst: rstPin,
busy: busyPin,
}
}
@@ -299,14 +298,14 @@ func (d *Device) setMemoryPointer(x int16, y int16) {
// WaitUntilIdle waits until the display is ready
func (d *Device) WaitUntilIdle() {
for d.isBusy() {
for d.busy.Get() {
time.Sleep(100 * time.Millisecond)
}
}
// IsBusy returns the busy status of the display
func (d *Device) IsBusy() bool {
return d.isBusy()
return d.busy.Get()
}
// ClearBuffer sets the buffer to 0xFF (white)
+17 -18
View File
@@ -6,11 +6,10 @@ package epd2in13x // import "tinygo.org/x/drivers/waveshare-epd/epd2in13x"
import (
"errors"
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Config struct {
@@ -21,10 +20,10 @@ type Config struct {
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
width int16
height int16
buffer [][]uint8
@@ -34,17 +33,17 @@ type Device struct {
type Color uint8
// New returns a new epd2in13x driver. Pass in a fully configured SPI bus.
func New(bus drivers.SPI, csPin, dcPin, rstPin pin.Output, busyPin pin.Input) Device {
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(rstPin)
legacy.ConfigurePinInput(busyPin)
func New(bus drivers.SPI, csPin, dcPin, rstPin, busyPin machine.Pin) Device {
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
busyPin.Configure(machine.PinConfig{Mode: machine.PinInput})
return Device{
bus: bus,
cs: csPin.Set,
dc: dcPin.Set,
rst: rstPin.Set,
isBusy: busyPin.Get,
bus: bus,
cs: csPin,
dc: dcPin,
rst: rstPin,
busy: busyPin,
}
}
@@ -278,14 +277,14 @@ func (d *Device) ClearDisplay() {
// WaitUntilIdle waits until the display is ready
func (d *Device) WaitUntilIdle() {
for !d.isBusy() {
for !d.busy.Get() {
time.Sleep(100 * time.Millisecond)
}
}
// IsBusy returns the busy status of the display
func (d *Device) IsBusy() bool {
return d.isBusy()
return d.busy.Get()
}
// ClearBuffer sets the buffer to 0xFF (white)
+29 -6
View File
@@ -5,6 +5,7 @@ package epd2in66b
import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
@@ -17,12 +18,19 @@ const (
const Baudrate = 4_000_000 // 4 MHz
type Config struct {
ResetPin machine.Pin
DataPin machine.Pin
ChipSelectPin machine.Pin
BusyPin machine.Pin
}
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
bus drivers.SPI
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
blackBuffer []byte
redBuffer []byte
@@ -42,6 +50,21 @@ func New(bus drivers.SPI) Device {
}
}
// Configure configures the device and its pins.
func (d *Device) Configure(c Config) error {
d.cs = c.ChipSelectPin
d.dc = c.DataPin
d.rst = c.ResetPin
d.busy = c.BusyPin
d.cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.dc.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
d.busy.Configure(machine.PinConfig{Mode: machine.PinInput})
return nil
}
func (d *Device) Size() (x, y int16) {
return displayWidth, displayHeight
}
@@ -206,7 +229,7 @@ func (d *Device) WaitUntilIdle() {
// give it some time to get busy
time.Sleep(50 * time.Millisecond)
for d.isBusy() { // high = busy
for d.busy.Get() { // high = busy
time.Sleep(10 * time.Millisecond)
}
-30
View File
@@ -1,30 +0,0 @@
//go:build baremetal
package epd2in66b
import "machine"
type Config struct {
ResetPin machine.Pin
DataPin machine.Pin
ChipSelectPin machine.Pin
BusyPin machine.Pin
}
// Configure configures the device and its pins.
func (d *Device) Configure(c Config) error {
cs := c.ChipSelectPin
dc := c.DataPin
rst := c.ResetPin
busy := c.BusyPin
cs.Configure(machine.PinConfig{Mode: machine.PinOutput})
dc.Configure(machine.PinConfig{Mode: machine.PinOutput})
rst.Configure(machine.PinConfig{Mode: machine.PinOutput})
busy.Configure(machine.PinConfig{Mode: machine.PinInput})
d.cs = cs.Set
d.dc = dc.Set
d.rst = rst.Set
d.isBusy = busy.Get
return nil
}
+17 -18
View File
@@ -13,11 +13,10 @@ package epd2in9 // import "tinygo.org/x/drivers/waveshare-epd/epd2in9"
import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Config struct {
@@ -29,10 +28,10 @@ type Config struct {
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
logicalWidth int16
width int16
height int16
@@ -62,17 +61,17 @@ var lutPartialUpdate = [30]uint8{
}
// New returns a new epd2in9 driver. Pass in a fully configured SPI bus.
func New(bus drivers.SPI, csPin, dcPin, rstPin pin.Output, busyPin pin.Input) Device {
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(rstPin)
legacy.ConfigurePinInput(busyPin)
func New(bus drivers.SPI, csPin, dcPin, rstPin, busyPin machine.Pin) Device {
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
busyPin.Configure(machine.PinConfig{Mode: machine.PinInput})
return Device{
bus: bus,
cs: csPin.Set,
dc: dcPin.Set,
rst: rstPin.Set,
isBusy: busyPin.Get,
bus: bus,
cs: csPin,
dc: dcPin,
rst: rstPin,
busy: busyPin,
}
}
@@ -246,14 +245,14 @@ func (d *Device) setMemoryPointer(x int16, y int16) {
// WaitUntilIdle waits until the display is ready
func (d *Device) WaitUntilIdle() {
for d.isBusy() {
for d.busy.Get() {
time.Sleep(100 * time.Millisecond)
}
}
// IsBusy returns the busy status of the display
func (d *Device) IsBusy() bool {
return d.isBusy()
return d.busy.Get()
}
// ClearBuffer sets the buffer to 0xFF (white)
+17 -18
View File
@@ -10,11 +10,10 @@ package epd4in2
import (
"image/color"
"machine"
"time"
"tinygo.org/x/drivers"
"tinygo.org/x/drivers/internal/legacy"
"tinygo.org/x/drivers/internal/pin"
)
type Config struct {
@@ -26,10 +25,10 @@ type Config struct {
type Device struct {
bus drivers.SPI
cs drivers.PinOutput
dc drivers.PinOutput
rst drivers.PinOutput
isBusy drivers.PinInput
cs machine.Pin
dc machine.Pin
rst machine.Pin
busy machine.Pin
logicalWidth int16
width int16
height int16
@@ -41,17 +40,17 @@ type Device struct {
type Rotation uint8
// New returns a new epd4in2 driver. Pass in a fully configured SPI bus.
func New(bus drivers.SPI, csPin, dcPin, rstPin pin.Output, busyPin pin.Input) Device {
legacy.ConfigurePinOut(csPin)
legacy.ConfigurePinOut(dcPin)
legacy.ConfigurePinOut(rstPin)
legacy.ConfigurePinInput(busyPin)
func New(bus drivers.SPI, csPin, dcPin, rstPin, busyPin machine.Pin) Device {
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
rstPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
busyPin.Configure(machine.PinConfig{Mode: machine.PinInput})
return Device{
bus: bus,
cs: csPin.Set,
dc: dcPin.Set,
rst: rstPin.Set,
isBusy: busyPin.Get,
bus: bus,
cs: csPin,
dc: dcPin,
rst: rstPin,
busy: busyPin,
}
}
@@ -312,14 +311,14 @@ func (d *Device) ClearDisplay() {
// WaitUntilIdle waits until the display is ready
func (d *Device) WaitUntilIdle() {
for d.isBusy() {
for d.busy.Get() {
time.Sleep(100 * time.Millisecond)
}
}
// IsBusy returns the busy status of the display
func (d *Device) IsBusy() bool {
return d.isBusy()
return d.busy.Get()
}
// ClearBuffer sets the buffer to 0xFF (white)
+469
View File
@@ -1320,6 +1320,465 @@ void ws2812_writeByte168(char c, uint32_t *portSet, uint32_t *portClear, uint32_
[maskClear]"r"(maskClear),
[portClear]"m"(*portClear));
}
__attribute__((always_inline))
void ws2812_writeByte200(char c, uint32_t *portSet, uint32_t *portClear, uint32_t maskSet, uint32_t maskClear) {
// Timings:
// T0H: 70 - 72 cycles or 350.0ns - 360.0ns
// T1H: 210 - 212 cycles or 1050.0ns - 1060.0ns
// TLD: 230 - cycles or 1150.0ns -
uint32_t value = (uint32_t)c << 24;
char i = 8;
__asm__ __volatile__(
"1: @ send_bit\n"
"\t str %[maskSet], %[portSet] @ [2] T0H and T0L start here\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t lsls %[value], #1 @ [1]\n"
"\t bcs.n 2f @ [1/3] skip_store\n"
"\t str %[maskClear], %[portClear] @ [2] T0H -> T0L transition\n"
"\t2: @ skip_store\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t str %[maskClear], %[portClear] @ [2] T1H -> T1L transition\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t nop\n"
"\t subs %[i], #1 @ [1]\n"
"\t beq.n 3f @ [1/3] end\n"
"\t b 1b @ [1/3] send_bit\n"
"\t3: @ end\n"
: [value]"+r"(value),
[i]"+r"(i)
: [maskSet]"r"(maskSet),
[portSet]"m"(*portSet),
[maskClear]"r"(maskClear),
[portClear]"m"(*portClear));
}
*/
import "C"
@@ -1382,3 +1841,13 @@ func (d Device) writeByte168(c byte) {
interrupt.Restore(mask)
}
func (d Device) writeByte200(c byte) {
portSet, maskSet := d.Pin.PortMaskSet()
portClear, maskClear := d.Pin.PortMaskClear()
mask := interrupt.Disable()
C.ws2812_writeByte200(C.char(c), (*C.uint32_t)(unsafe.Pointer(portSet)), (*C.uint32_t)(unsafe.Pointer(portClear)), C.uint32_t(maskSet), C.uint32_t(maskClear))
interrupt.Restore(mask)
}
+1 -1
View File
@@ -1,7 +1,7 @@
// Package ws2812 implements a driver for WS2812 and SK6812 RGB LED strips.
package ws2812 // import "tinygo.org/x/drivers/ws2812"
//go:generate go run gen-ws2812.go -arch=cortexm 16 48 64 120 125 168
//go:generate go run gen-ws2812.go -arch=cortexm 16 48 64 120 125 168 200
//go:generate go run gen-ws2812.go -arch=tinygoriscv 160 320
import (
+4 -1
View File
@@ -28,12 +28,15 @@ func (d Device) WriteByte(c byte) error {
case 120_000_000: // 120MHz
d.writeByte120(c)
return nil
case 125_000_000: // 125 MHz e.g. rp2040
case 125_000_000: // 125 MHz e.g. rp2040 originally
d.writeByte125(c)
return nil
case 168_000_000: // 168MHz, e.g. stm32f405
d.writeByte168(c)
return nil
case 200_000_000: // 200MHz, e.g. rp2040 starting with TinyGo v0.37
d.writeByte200(c)
return nil
default:
return errUnknownClockSpeed
}