tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-16 02:33:28 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files
src/machine/machine_atsamd51g19.go
+8 -8
View File
@@ -18,23 +18,23 @@ func InitPWM() {
sam.MCLK.APBCMASK.SetBits(sam.MCLK_APBCMASK_TCC2_)
//use clock generator 0
sam.GCLK.PCHCTRL[25].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK.PCHCTRL[sam.PCHCTRL_GCLK_TCC0].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
sam.GCLK.PCHCTRL[29].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK.PCHCTRL[sam.PCHCTRL_GCLK_TCC2].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
sam.GCLK_PCHCTRL_CHEN)
}
// getTimer returns the timer to be used for PWM on this pin
func (pwm PWM) getTimer() *sam.TCC_Type {
switch pwm.Pin {
case PA16:
return sam.TCC1
case PA17:
return sam.TCC1
case PA14:
return sam.TCC2
case PA15:
return sam.TCC2
case PA16:
return sam.TCC1
case PA17:
return sam.TCC1
case PA18:
return sam.TCC1
case PA19:
@@ -43,10 +43,10 @@ func (pwm PWM) getTimer() *sam.TCC_Type {
return sam.TCC0
case PA21:
return sam.TCC0
case PA23:
return sam.TCC0
case PA22:
return sam.TCC0
case PA23:
return sam.TCC0
default:
return nil // not supported on this pin
}