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fix: while sending 32bits with the FIFO, just 24 are required! :)

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Signed-off-by: Matthias Riegler <matthias.riegler@ankorstore.com>
This commit is contained in:
Matthias Riegler
2023-07-07 19:58:16 +02:00
parent 906f56fe24
commit a6495a2a4f
1 changed files with 8 additions and 7 deletions
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15
pkg/hal/bcm2711/hal_bcm2711.go
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@@ -306,7 +306,8 @@ func (bcm *bcm2711bcm) SetLEDs(top LedColor, edge LedColor) {
bcm.pwmMem[PWM_CTL] = (1 << PWM_CTL_MODE1) | (1 << PWM_CTL_RPTL1) | (0 << PWM_CTL_SBIT1) | (1 << PWM_CTL_USEF1) | (1 << PWM_CTL_CLRF1)
time.Sleep(10 * time.Microsecond)
bcm.pwmMem[PWM_RNG1] = 32
// bcm.pwmMem[PWM_RNG1] = 32
bcm.pwmMem[PWM_RNG1] = 24 // we only need 24 bits per LED
time.Sleep(10 * time.Microsecond)
// Add sufficient padding to clear
@@ -314,13 +315,13 @@ func (bcm *bcm2711bcm) SetLEDs(top LedColor, edge LedColor) {
bcm.pwmMem[PWM_FIF1] = 0
bcm.pwmMem[PWM_FIF1] = 0
// Write top LED data
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(top.Red)
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(top.Green)
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(top.Blue)
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(top.Red) << 8
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(top.Green) << 8
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(top.Blue) << 8
// Write edge LED data
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(edge.Red)
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(edge.Green)
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(edge.Blue)
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(edge.Red) << 8
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(edge.Green) << 8
bcm.pwmMem[PWM_FIF1] = serializePwmDataFrame(edge.Blue) << 8
// make sure there's >50us of silence
bcm.pwmMem[PWM_FIF1] = 0
bcm.pwmMem[PWM_FIF1] = 0