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Diffstat (limited to 'ports/stm32/adc.h')
-rw-r--r--ports/stm32/adc.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/ports/stm32/adc.h b/ports/stm32/adc.h
index 5821eb9d6..9101b9db8 100644
--- a/ports/stm32/adc.h
+++ b/ports/stm32/adc.h
@@ -44,7 +44,7 @@ static inline void adc_deselect_vbat(ADC_TypeDef *adc, uint32_t channel) {
#if defined(STM32F0) || defined(STM32WB)
adc_common = ADC1_COMMON;
- #elif defined(STM32F4) || defined(STM32L4)
+ #elif defined(STM32F4)
adc_common = ADC_COMMON_REGISTER(0);
#elif defined(STM32F7)
adc_common = ADC123_COMMON;
@@ -52,6 +52,8 @@ static inline void adc_deselect_vbat(ADC_TypeDef *adc, uint32_t channel) {
adc_common = ADC12_COMMON;
#elif defined(STM32H7)
adc_common = adc == ADC3 ? ADC3_COMMON : ADC12_COMMON;
+ #elif defined(STM32L4)
+ adc_common = __LL_ADC_COMMON_INSTANCE(0);
#endif
adc_common->CCR &= ~LL_ADC_PATH_INTERNAL_VBAT;