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SetPixel removed, formatting

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This commit is contained in:
k-brk
2019-05-04 15:37:10 +02:00
committed by Ron Evans
parent 4560c61c61
commit ba4de1efb8
5 changed files with 52 additions and 31 deletions
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hd44780/gpio.go
+5 -1
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@@ -62,6 +62,7 @@ func (g *GPIO) SetCommandMode(set bool) {
}
}
// Write writes len(data) bytes from data to display driver
func (g *GPIO) Write(data []byte) (n int, err error) {
g.rw.Low()
for _, d := range data {
@@ -87,11 +88,12 @@ func (g *GPIO) write4BitMode(data byte) {
g.e.Low()
}
// Read reads len(data) bytes from display RAM to data starting from RAM address counter position
// Ram address can be changed by writing address in command mode
func (g *GPIO) Read(data []byte) (n int, err error) {
if len(data) == 0 {
return 0, errors.New("Length greater than 0 is required")
}
g.rs.Low()
g.rw.High()
g.reconfigureGPIOMode(machine.GPIO_INPUT)
for i := 0; i < len(data); i++ {
@@ -111,12 +113,14 @@ func (g *GPIO) read4BitMode() byte {
g.e.Low()
return data
}
func (g *GPIO) read8BitMode() byte {
g.e.High()
data := g.pins()
g.e.Low()
return data
}
func (g *GPIO) reconfigureGPIOMode(mode machine.GPIOMode) {
for i := 0; i < len(g.dataPins); i++ {
g.dataPins[i].Configure(machine.GPIOConfig{Mode: mode})