machine/stm32f1, stm32f4: fix ADC by clearing the correct bit for rank after each read

Signed-off-by: deadprogram <ron@hybridgroup.com>
2022-11-20 20:48:55 +01:00 · 2022-11-20 20:48:55 +01:00 · 217449df07
--- a/src/machine/machine_stm32_adc_f1.go
+++ b/src/machine/machine_stm32_adc_f1.go
@ -75,7 +75,7 @@ func (a ADC) Get() uint16 {
 	stm32.ADC1.SR.ClearBits(stm32.ADC_SR_EOC)

 	// clear rank
-	stm32.ADC1.SMPR1.ClearBits(ch)
+	stm32.ADC1.SQR3.ClearBits(ch)

 	return result
 }
--- a/src/machine/machine_stm32_adc_f4.go
+++ b/src/machine/machine_stm32_adc_f4.go
@ -70,7 +70,7 @@ func (a ADC) Get() uint16 {
 	stm32.ADC1.SR.ClearBits(stm32.ADC_SR_EOC)

 	// clear rank
-	stm32.ADC1.SMPR1.ClearBits(ch)
+	stm32.ADC1.SQR3.ClearBits(ch)

 	return result
 }