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fix: set ws281x pin as output, not input

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Signed-off-by: Matthias Riegler <me@xvzf.tech>
This commit is contained in:
Matthias Riegler
2023-07-08 13:35:00 +02:00
parent a6495a2a4f
commit 4542e970a7
1 changed files with 7 additions and 4 deletions
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11
pkg/hal/bcm2711/hal_bcm2711.go
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@@ -20,7 +20,6 @@ const (
bcm2711FrontButtonPin = 20
bcm2711StealthPin = 21
bcm2711PwmFanPin = 12
bcm2711PwmTachPin = 13
GPFSEL0 = 0x00
@@ -141,7 +140,11 @@ func (bcm *bcm2711bcm) InitGPIO() {
bcm.wrMutex.Lock()
defer bcm.wrMutex.Unlock()
// Blade Butten (GPIO 20)
// Edge Button (GPIO 20)
// -> GPFSEL2 2:0, input
bcm.gpioMem[GPFSEL2] = (bcm.gpioMem[GPFSEL2] &^ (0b111 << 0)) | (0b000 << 0)
// PoE at detection (GPIO 23)
// -> GPFSEL2 2:0, input
bcm.gpioMem[GPFSEL2] = (bcm.gpioMem[GPFSEL2] &^ (0b111 << 0)) | (0b000 << 0)
@@ -164,7 +167,7 @@ func (bcm *bcm2711bcm) InitGPIO() {
// Set WS2812 output (GPIO 18)
// -> GPFSEL1 24:26, set as regular output by default. On-demand, it's mapped to pwm0
bcm.gpioMem[GPFSEL1] = (bcm.gpioMem[GPFSEL1] &^ (0b111 << 24)) | (0b000 << 24)
bcm.gpioMem[GPFSEL1] = (bcm.gpioMem[GPFSEL1] &^ (0b111 << 24)) | (0b001 << 24)
// FIXME add edge button
}
@@ -300,7 +303,7 @@ func (bcm *bcm2711bcm) SetLEDs(top LedColor, edge LedColor) {
time.Sleep(10 * time.Microsecond)
defer func() {
// Set to regular output again so the PWM signal doesn't confuse the WS2812
bcm.gpioMem[GPFSEL1] = (bcm.gpioMem[GPFSEL1] &^ (0b111 << 24)) | (0b000 << 24)
bcm.gpioMem[GPFSEL1] = (bcm.gpioMem[GPFSEL1] &^ (0b111 << 24)) | (0b001 << 24)
bcm.setFanSpeedPWM(bcm.currFanSpeed)
}()