mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-07-26 18:48:41 +00:00
Compare commits
6 Commits
| Author | SHA1 | Date | |
|---|---|---|---|
 deadprogram
|
c4ff8242a7 | ||
 soypat
|
82c41dbf14 | ||
 Hikmatulloh Hari Mukti
|
c4168864fd | ||
 Leon Matthews
|
dbc9022f6a | ||
 Mateusz Nowak
|
d41bc0b85f | ||
 Craig Swank
|
e7f90166ad |
@@ -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**
|
||||
|
||||
@@ -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.
|
||||
|
||||
+7
-8
@@ -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() {
|
||||
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||||
// ReadTemperature returns the temperature in celsius milli degrees (°C/1000).
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func (d *Device) ReadTemperature() (temperature int32, err error) {
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data, err := d.readData(REG_TEMP, 3)
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||||
if err != nil {
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||||
data := d.buf[:3]
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||||
if err = d.readData(REG_TEMP, data); err != nil {
|
||||
return
|
||||
}
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||||
|
||||
@@ -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)
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||||
if err != nil {
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||||
data := d.buf[:6]
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||||
if err = d.readData(REG_PRES, data); err != nil {
|
||||
return
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||||
}
|
||||
|
||||
@@ -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
|
||||
|
||||
@@ -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()
|
||||
|
||||
|
||||
+7
-15
@@ -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")
|
||||
}
|
||||
|
||||
+1
-1
@@ -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"
|
||||
|
||||
@@ -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"
|
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"\t nop\n"
|
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"\t nop\n"
|
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|
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|
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|
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|
||||
"\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"
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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"\t nop\n"
|
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|
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|
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|
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|
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|
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|
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"\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"
|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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"\t nop\n"
|
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"\t nop\n"
|
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"\t nop\n"
|
||||
"\t nop\n"
|
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"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t nop\n"
|
||||
"\t 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
@@ -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 (
|
||||
|
||||
@@ -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
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user