mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-07-26 10:38:41 +00:00
Anastasios Papalyras
f57b5ecee9
sharpmem: add implementation of sharpmem display driver * Implement Configure, Clear and ClearBuffer, add some tests, add documentation/comments * Reverse white * Inverted bits, fix and improve ClearBuffer, cleanup * Refine doc comment * Driver refactor, optimizations toggle, additional tests & support for all SKUs * Fix address overflow padding, add wire-level tests for assumed address encoding * Minor rename * Cleanup and doc fixes * Add device configs * Bounds check * Add example and smoketest entry * Use uf2 output file format * Refine example
91 lines
1.7 KiB
Go
91 lines
1.7 KiB
Go
package main
|
|
|
|
import (
|
|
"image/color"
|
|
"machine"
|
|
"math/rand/v2"
|
|
"time"
|
|
|
|
"tinygo.org/x/drivers/sharpmem"
|
|
)
|
|
|
|
var (
|
|
// example wiring using a nice!view and nice!nano:
|
|
// (view) (nano)
|
|
// MOSI --> P0.24
|
|
// SCK ---> P0.22
|
|
// GND ---> GND
|
|
// VCC ---> 3.3V
|
|
// CS ----> P0.06
|
|
|
|
spi = machine.SPI0
|
|
|
|
sckPin = machine.SPI0_SCK_PIN // SCK
|
|
sdoPin = machine.SPI0_SDO_PIN // MOSI
|
|
sdiPin = machine.SPI0_SDI_PIN // (any pin)
|
|
|
|
csPin = machine.P0_06 // CS
|
|
)
|
|
|
|
func main() {
|
|
time.Sleep(time.Second)
|
|
|
|
err := spi.Configure(machine.SPIConfig{
|
|
Frequency: 2000000,
|
|
SCK: sckPin,
|
|
SDO: sdoPin,
|
|
SDI: sdiPin,
|
|
Mode: 0,
|
|
LSBFirst: true,
|
|
})
|
|
if err != nil {
|
|
println("spi.Configure() failed, error:", err.Error())
|
|
return
|
|
}
|
|
|
|
csPin.Configure(machine.PinConfig{Mode: machine.PinOutput})
|
|
|
|
display := sharpmem.New(spi, csPin)
|
|
|
|
cfg := sharpmem.ConfigLS011B7DH03
|
|
display.Configure(cfg)
|
|
|
|
// clear the display before first use
|
|
err = display.Clear()
|
|
if err != nil {
|
|
println("display.Clear() failed, error:", err.Error())
|
|
return
|
|
}
|
|
|
|
// random boxes pop into and out of existence
|
|
for {
|
|
x0 := int16(rand.IntN(int(cfg.Width - 7)))
|
|
y0 := int16(rand.IntN(int(cfg.Height - 7)))
|
|
|
|
for x2 := int16(0); x2 < 16; x2++ {
|
|
x2 := x2
|
|
c := color.RGBA{R: 255, G: 255, B: 255, A: 255}
|
|
|
|
if x2 >= 8 {
|
|
// effectively erases the box after it showed up
|
|
x2 = x2 - 8
|
|
c = color.RGBA{R: 0, G: 0, B: 0, A: 255}
|
|
}
|
|
|
|
for x := int16(0); x < x2; x++ {
|
|
for y := int16(0); y < 8; y++ {
|
|
display.SetPixel(x0+x, y0+y, c)
|
|
}
|
|
}
|
|
|
|
err = display.Display()
|
|
if err != nil {
|
|
println("display.Display() failed, error:", err.Error())
|
|
continue
|
|
}
|
|
|
|
time.Sleep(33 * time.Millisecond)
|
|
}
|
|
}
|
|
}
|