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| author | Tobias Badertscher <tobias.badertscher.ext@siemens.com> | 2018-11-16 19:37:31 +0100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2018-11-26 16:16:29 +1100 |
| commit | 9acc32b40f9346f17ed75746b7f9380e4805cef4 (patch) | |
| tree | c816926d9217bca05edb411f1adb3f3777333f6b | |
| parent | 7c85c7c210e3ad417f59038de95b71618783d76c (diff) | |
stm32/adc: Add ADC auto-calibration for L4 MCUs.
This increases the precision of the ADC.
| -rw-r--r-- | ports/stm32/adc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ports/stm32/adc.c b/ports/stm32/adc.c index f16159bef..5e8a1a152 100644 --- a/ports/stm32/adc.c +++ b/ports/stm32/adc.c @@ -263,6 +263,9 @@ STATIC void adcx_init_periph(ADC_HandleTypeDef *adch, uint32_t resolution) { #if defined(STM32H7) HAL_ADCEx_Calibration_Start(adch, ADC_CALIB_OFFSET, ADC_SINGLE_ENDED); #endif + #if defined(STM32L4) + HAL_ADCEx_Calibration_Start(adch, ADC_SINGLE_ENDED); + #endif } STATIC void adc_init_single(pyb_obj_adc_t *adc_obj) { |