mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-08-12 10:53:43 +00:00
finish rewrites!
This commit is contained in:
+33
-29
@@ -7,13 +7,13 @@ package st7789 // import "tinygo.org/x/drivers/st7789"
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import (
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"image/color"
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"machine"
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"math"
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"time"
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"errors"
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"tinygo.org/x/drivers"
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"tinygo.org/x/drivers/internal/legacy"
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"tinygo.org/x/drivers/pixel"
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)
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@@ -46,10 +46,10 @@ type Device = DeviceOf[pixel.RGB565BE]
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// formats.
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type DeviceOf[T Color] struct {
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bus drivers.SPI
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dcPin machine.Pin
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resetPin machine.Pin
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csPin machine.Pin
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blPin machine.Pin
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dcPin drivers.PinOutput
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resetPin drivers.PinOutput
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csPin drivers.PinOutput
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blPin drivers.PinOutput
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width int16
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height int16
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columnOffsetCfg int16
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@@ -83,23 +83,27 @@ type Config struct {
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}
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// New creates a new ST7789 connection. The SPI wire must already be configured.
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func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) Device {
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func New(bus drivers.SPI, resetPin, dcPin, csPin, blPin legacy.PinOutput) Device {
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return NewOf[pixel.RGB565BE](bus, resetPin, dcPin, csPin, blPin)
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}
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// NewOf creates a new ST7789 connection with a particular pixel format. The SPI
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// wire must already be configured.
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func NewOf[T Color](bus drivers.SPI, resetPin, dcPin, csPin, blPin machine.Pin) DeviceOf[T] {
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dcPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
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resetPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
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csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
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blPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
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func NewOf[T Color](bus drivers.SPI, resetPin, dcPin, csPin, blPin legacy.PinOutput) DeviceOf[T] {
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legacy.ConfigurePinOut(dcPin)
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legacy.ConfigurePinOut(resetPin)
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legacy.ConfigurePinOut(csPin)
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legacy.ConfigurePinOut(blPin)
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var cs drivers.PinOutput
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if !legacy.PinIsNoPin(csPin) {
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cs = csPin.Set
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}
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return DeviceOf[T]{
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bus: bus,
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dcPin: dcPin,
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resetPin: resetPin,
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csPin: csPin,
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blPin: blPin,
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dcPin: dcPin.Set,
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resetPin: resetPin.Set,
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csPin: cs,
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blPin: blPin.Set,
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}
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}
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@@ -139,11 +143,11 @@ func (d *DeviceOf[T]) Configure(cfg Config) {
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d.batchLength += d.batchLength & 1
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// Reset the device
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d.resetPin.High()
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d.resetPin(true)
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time.Sleep(50 * time.Millisecond)
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d.resetPin.Low()
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d.resetPin(false)
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time.Sleep(50 * time.Millisecond)
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d.resetPin.High()
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d.resetPin(true)
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time.Sleep(50 * time.Millisecond)
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// Common initialization
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@@ -209,7 +213,7 @@ func (d *DeviceOf[T]) Configure(cfg Config) {
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time.Sleep(10 * time.Millisecond) //
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d.endWrite()
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d.blPin.High() // Backlight ON
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d.blPin(true) // Backlight ON
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}
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// Send a command with data to the display. It does not change the chip select
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@@ -217,9 +221,9 @@ func (d *DeviceOf[T]) Configure(cfg Config) {
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// meaning that data can be sent right away.
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func (d *DeviceOf[T]) sendCommand(command uint8, data []byte) error {
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d.cmdBuf[0] = command
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d.dcPin.Low()
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d.dcPin(false)
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err := d.bus.Tx(d.cmdBuf[:1], nil)
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d.dcPin.High()
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d.dcPin(true)
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if len(data) != 0 {
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err = d.bus.Tx(data, nil)
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}
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@@ -229,16 +233,16 @@ func (d *DeviceOf[T]) sendCommand(command uint8, data []byte) error {
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// startWrite must be called at the beginning of all exported methods to set the
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// chip select pin low.
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func (d *DeviceOf[T]) startWrite() {
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if d.csPin != machine.NoPin {
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d.csPin.Low()
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if d.csPin != nil {
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d.csPin(false)
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}
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}
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// endWrite must be called at the end of all exported methods to set the chip
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// select pin high.
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func (d *DeviceOf[T]) endWrite() {
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if d.csPin != machine.NoPin {
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d.csPin.High()
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if d.csPin != nil {
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d.csPin(true)
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}
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}
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@@ -300,9 +304,9 @@ func (d *DeviceOf[T]) SyncToScanLine(scanline uint16) {
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func (d *DeviceOf[T]) GetScanLine() uint16 {
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d.startWrite()
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data := []uint8{0x00, 0x00}
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d.dcPin.Low()
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d.dcPin(false)
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d.bus.Transfer(GSCAN)
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d.dcPin.High()
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d.dcPin(true)
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for i := range data {
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data[i], _ = d.bus.Transfer(0xFF)
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}
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@@ -541,9 +545,9 @@ func (d *DeviceOf[T]) Size() (w, h int16) {
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// EnableBacklight enables or disables the backlight
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func (d *DeviceOf[T]) EnableBacklight(enable bool) {
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if enable {
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d.blPin.High()
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d.blPin(true)
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} else {
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d.blPin.Low()
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d.blPin(false)
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}
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}
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