Add: beta working mt12232a display
This commit is contained in:
Andrey Egorov
@ -19,6 +19,7 @@ type DisplayModel int
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const (
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SSD1306 DisplayModel = iota
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MT12864A
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MT12232A
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)
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func New(logger *log.Logger, model DisplayModel) (Display, error) {
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@ -27,6 +28,8 @@ func New(logger *log.Logger, model DisplayModel) (Display, error) {
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return newSsd1306(logger)
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case MT12864A:
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return newMt12864a(logger)
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case MT12232A:
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return newMt12232a(logger)
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}
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return nil, fmt.Errorf("invalid display model")
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}
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161
display/mt-12232a.go
Normal file
161
display/mt-12232a.go
Normal file
@ -0,0 +1,161 @@
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package display
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import (
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"fmt"
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"image"
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"log"
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"math/rand"
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"time"
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"gitea.unprism.ru/yotia/display-test/pkg/mt12232a"
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"github.com/stianeikeland/go-rpio/v4"
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)
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type displayMt12232a struct {
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logger *log.Logger
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// GPIO pins
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dev mt12232a.Device
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}
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func newMt12232a(logger *log.Logger) (Display, error) {
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dev, err := mt12232a.New(log.New(logger.Writer(), "display-mt12864 : ", log.LstdFlags))
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if err != nil {
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return nil, fmt.Errorf("mt12864 create: %w", err)
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}
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// Allocate bits
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bits := make([][]byte, 32)
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for i := 0; i < 32; i++ {
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bits[i] = make([]byte, 122)
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}
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// if err := dev.PowerOn(); err != nil {
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// return nil, fmt.Errorf("power on: %w", err)
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// }
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d := displayMt12232a{
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logger: logger,
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dev: dev,
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}
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// Temp debug draw
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d.logger.Println(d.dev.ReadStatus(0)&0xF0, d.dev.ReadStatus(1)&0xF0)
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//d.logger.Println("Draw...")
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//d.test()
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//d.logger.Println("Draw finished")
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return &d, nil
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}
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func (d *displayMt12232a) test() {
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d.logger.Println("Write")
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d.dev.WriteCodeL(0xB8)
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d.dev.WriteCodeL(0x13)
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d.dev.WriteDataL(47)
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d.logger.Println("Read")
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// d.dev.WriteCodeL(0xB8)
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d.dev.WriteCodeL(0x13)
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d.logger.Println(d.dev.ReadDataL())
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d.logger.Println(d.dev.ReadDataL())
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//color := []byte{1, 0, 1, 0, 1, 0, 1, 0}
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//color := []byte{1, 0, 1, 0, 1, 0, 0, 0}
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//color := []byte{0, 0, 0, 0, 0, 0, 0, 0}
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//color := byte(3)
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start := time.Now()
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//d.dev.WriteCodeL(0xB8)
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//d.dev.WriteCodeL(0x13)
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//d.dev.WriteDatasL([]byte{0, 0, 0, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 0, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 0, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 1, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 1, 1, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 1, 1, 1, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 1, 1, 1, 1, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 1, 1, 1, 1, 1, 0})
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//d.dev.WriteDatasL([]byte{1, 1, 1, 1, 1, 1, 1, 1})
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//
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//d.dev.WriteDatasL([]byte{1, 0, 0, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 1, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 1, 0, 1, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 1, 0, 1, 0, 1, 0})
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//d.dev.WriteCodeL(0xB8 | 1)
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//d.dev.WriteCodeL(0x13)
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//d.dev.WriteDatasL([]byte{1, 0, 0, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 1, 0, 0, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 1, 0, 1, 0, 0, 0})
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//d.dev.WriteDatasL([]byte{1, 0, 1, 0, 1, 0, 1, 0})
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for p := byte(0); p < 4; p++ {
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d.dev.WriteCodeL(p | 0xB8)
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d.dev.WriteCodeL(0x13)
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for c := 0; c < 61; c++ {
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d.dev.WriteDatasL([]byte{byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2)})
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}
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d.dev.WriteCodeR(p | 0xB8)
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d.dev.WriteCodeR(0x00)
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for c := 0; c < 61; c++ {
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d.dev.WriteDatasR([]byte{byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2), byte(rand.Int() % 2)})
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}
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}
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end := time.Now()
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d.logger.Println(end.Sub(start))
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// for p := byte(0); p < 8; p++ {
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// d.dev.WriteCodeL(p | 0xB8)
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// d.dev.WriteCodeL(0x40)
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// for c := 0; c < 64; c++ {
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// d.dev.WriteDataL(Logo128[p][c])
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// }
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// d.dev.WriteCodeR(p | 0xB8)
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// d.dev.WriteCodeR(0x40)
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// for c := 64; c < 128; c++ {
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// d.dev.WriteDataR(Logo128[p][c])
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// }
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// }
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//d.dev.WriteCodeL(0xAF) // Display on
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//d.dev.WriteCodeR(0xAF) // Display on
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}
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func (d *displayMt12232a) GetBounds() image.Rectangle {
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return image.Rect(0, 0, 122, 32)
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}
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func (d *displayMt12232a) Flush(img *image.Gray) error {
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for p := byte(0); p < 4; p++ {
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d.dev.WriteCodeL((3 - p) | 0xB8)
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d.dev.WriteCodeL(0x13)
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for c := 0; c < 61; c++ {
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d.dev.WriteDatasL([]byte{
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img.Pix[int(p<<3+7)*122+c],
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img.Pix[int(p<<3+6)*122+c],
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img.Pix[int(p<<3+5)*122+c],
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img.Pix[int(p<<3+4)*122+c],
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img.Pix[int(p<<3+3)*122+c],
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img.Pix[int(p<<3+2)*122+c],
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img.Pix[int(p<<3+1)*122+c],
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img.Pix[int(p<<3+0)*122+c],
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})
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}
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d.dev.WriteCodeR((3 - p) | 0xB8)
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d.dev.WriteCodeR(0x00)
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for c := 61; c < 122; c++ {
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d.dev.WriteDatasR([]byte{
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img.Pix[int(p<<3+7)*122+c],
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img.Pix[int(p<<3+6)*122+c],
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img.Pix[int(p<<3+5)*122+c],
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img.Pix[int(p<<3+4)*122+c],
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img.Pix[int(p<<3+3)*122+c],
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img.Pix[int(p<<3+2)*122+c],
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img.Pix[int(p<<3+1)*122+c],
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img.Pix[int(p<<3+0)*122+c],
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})
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}
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}
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return nil
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}
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func (d *displayMt12232a) Close() error {
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return rpio.Close()
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}
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