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machine/atsamd51x,runtime/atsamd51x: fixes needed for full support for all PWM pins. Also adds some useful constants to clarify peripheral clock usage

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Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram
2020-08-26 14:04:35 +02:00
committed by Ron Evans
parent ecaf9461ce
commit 58565fa46d
13 changed files with 231 additions and 87 deletions
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src/machine/machine_atsamd51.go
+53 -17
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@@ -1580,14 +1580,14 @@ func (pwm PWM) setPinCfg(val uint8) {
// setChannel sets the value for the correct channel for PWM on this pin.
func (pwm PWM) setChannel(timer *sam.TCC_Type, val uint32) {
switch pwm.Pin {
case PA16:
timer.CC[0].Set(val)
case PA17:
timer.CC[1].Set(val)
case PA14:
timer.CC[0].Set(val)
case PA15:
timer.CC[1].Set(val)
case PA16:
timer.CC[0].Set(val)
case PA17:
timer.CC[1].Set(val)
case PA18:
timer.CC[2].Set(val)
case PA19:
@@ -1596,10 +1596,22 @@ func (pwm PWM) setChannel(timer *sam.TCC_Type, val uint32) {
timer.CC[0].Set(val)
case PA21:
timer.CC[1].Set(val)
case PA23:
timer.CC[3].Set(val)
case PA22:
timer.CC[2].Set(val)
case PA23:
timer.CC[3].Set(val)
case PB12:
timer.CC[0].Set(val)
case PB13:
timer.CC[1].Set(val)
case PB14:
timer.CC[0].Set(val)
case PB15:
timer.CC[1].Set(val)
case PB16:
timer.CC[4].Set(val)
case PB17:
timer.CC[5].Set(val)
case PB31:
timer.CC[1].Set(val)
default:
@@ -1610,14 +1622,14 @@ func (pwm PWM) setChannel(timer *sam.TCC_Type, val uint32) {
// setChannelBuffer sets the value for the correct channel buffer for PWM on this pin
func (pwm PWM) setChannelBuffer(timer *sam.TCC_Type, val uint32) {
switch pwm.Pin {
case PA16:
timer.CCBUF[0].Set(val)
case PA17:
timer.CCBUF[1].Set(val)
case PA14:
timer.CCBUF[0].Set(val)
case PA15:
timer.CCBUF[1].Set(val)
case PA16:
timer.CCBUF[0].Set(val)
case PA17:
timer.CCBUF[1].Set(val)
case PA18:
timer.CCBUF[2].Set(val)
case PA19:
@@ -1626,10 +1638,22 @@ func (pwm PWM) setChannelBuffer(timer *sam.TCC_Type, val uint32) {
timer.CCBUF[0].Set(val)
case PA21:
timer.CCBUF[1].Set(val)
case PA23:
timer.CCBUF[3].Set(val)
case PA22:
timer.CCBUF[2].Set(val)
case PA23:
timer.CCBUF[3].Set(val)
case PB12:
timer.CCBUF[0].Set(val)
case PB13:
timer.CCBUF[1].Set(val)
case PB14:
timer.CCBUF[0].Set(val)
case PB15:
timer.CCBUF[1].Set(val)
case PB16:
timer.CCBUF[4].Set(val)
case PB17:
timer.CCBUF[5].Set(val)
case PB31:
timer.CCBUF[1].Set(val)
default:
@@ -1640,14 +1664,14 @@ func (pwm PWM) setChannelBuffer(timer *sam.TCC_Type, val uint32) {
// getMux returns the pin mode mux to be used for PWM on this pin.
func (pwm PWM) getMux() PinMode {
switch pwm.Pin {
case PA16:
return PinPWMF
case PA17:
return PinPWMF
case PA14:
return PinPWMF
case PA15:
return PinPWMF
case PA16:
return PinPWMF
case PA17:
return PinPWMF
case PA18:
return PinPWMF
case PA19:
@@ -1656,9 +1680,21 @@ func (pwm PWM) getMux() PinMode {
return PinPWMG
case PA21:
return PinPWMG
case PA22:
return PinPWMG
case PA23:
return PinPWMG
case PA22:
case PB12:
return PinPWMF
case PB13:
return PinPWMF
case PB14:
return PinPWMF
case PB15:
return PinPWMF
case PB16:
return PinPWMG
case PB17:
return PinPWMG
case PB31:
return PinPWMF