diff options
| author | sago35 <[email protected]> | 2021-05-04 15:13:50 +0900 |
|---|---|---|
| committer | Ron Evans <[email protected]> | 2021-05-05 06:51:09 +0200 |
| commit | bb509ec91dcc558752ad6768a2e26e0bc706fd71 (patch) | |
| tree | 6acb91ccf9556c5be23a6bde50f2e9f8ad726d96 /src/machine/machine_atsamd51.go | |
| parent | 944f0220602bb6a30af8f3b894499e51a69517ed (diff) | |
| download | tinygo-bb509ec91dcc558752ad6768a2e26e0bc706fd71.tar.gz tinygo-bb509ec91dcc558752ad6768a2e26e0bc706fd71.zip | |
atsamd51, atsamd21: fix ADC.Get() value at 8bit and 10bit
Diffstat (limited to 'src/machine/machine_atsamd51.go')
| -rw-r--r-- | src/machine/machine_atsamd51.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/machine/machine_atsamd51.go b/src/machine/machine_atsamd51.go index a251f6704..0ce476ccc 100644 --- a/src/machine/machine_atsamd51.go +++ b/src/machine/machine_atsamd51.go @@ -863,7 +863,18 @@ func (a ADC) Get() uint16 { for bus.SYNCBUSY.HasBits(sam.ADC_SYNCBUSY_ENABLE) { } - return uint16(val) << 4 // scales from 12 to 16-bit result + // scales to 16-bit result + switch (bus.CTRLB.Get() & sam.ADC_CTRLB_RESSEL_Msk) >> sam.ADC_CTRLB_RESSEL_Pos { + case sam.ADC_CTRLB_RESSEL_8BIT: + val = val << 8 + case sam.ADC_CTRLB_RESSEL_10BIT: + val = val << 6 + case sam.ADC_CTRLB_RESSEL_16BIT: + val = val << 4 + case sam.ADC_CTRLB_RESSEL_12BIT: + val = val << 4 + } + return val } func (a ADC) getADCBus() *sam.ADC_Type { |