diff options
Diffstat (limited to 'ports/stm32/adc.h')
| -rw-r--r-- | ports/stm32/adc.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/ports/stm32/adc.h b/ports/stm32/adc.h index 4ae6022bc..6f2e61e09 100644 --- a/ports/stm32/adc.h +++ b/ports/stm32/adc.h @@ -29,4 +29,35 @@ extern const mp_obj_type_t pyb_adc_type; extern const mp_obj_type_t pyb_adc_all_type; +#if defined(ADC_CHANNEL_VBAT) + +static inline void adc_deselect_vbat(ADC_TypeDef *adc, uint32_t channel) { + (void)adc; + + if (channel == ADC_CHANNEL_VBAT) { + ADC_Common_TypeDef *adc_common; + + #if defined(STM32F0) || defined(STM32WB) + adc_common = ADC1_COMMON; + #elif defined(STM32F4) || defined(STM32L4) + adc_common = ADC_COMMON_REGISTER(0); + #elif defined(STM32F7) + adc_common = ADC123_COMMON; + #elif defined(STM32H7) + adc_common = adc == ADC3 ? ADC3_COMMON : ADC12_COMMON; + #endif + + adc_common->CCR &= ~LL_ADC_PATH_INTERNAL_VBAT; + } +} + +#else + +static inline void adc_deselect_vbat(ADC_TypeDef *adc, uint32_t channel) { + (void)adc; + (void)channel; +} + +#endif + #endif // MICROPY_INCLUDED_STM32_ADC_H |