piotr/edgetx-gx12
1
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases Wiki Activity

fix(h7rs): ADC oversampling (#6540)

Browse Source
This commit is contained in:
Raphael Coeffic
2025-08-23 19:40:44 +10:00
committed by GitHub
parent 63d8f4f1ae
commit fb7d8e23dc
1 changed files with 12 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
radio/src/targets/common/arm/stm32/stm32_adc.cpp
+12 -1
View File
@@ -241,7 +241,11 @@ static void adc_setup_scan_mode(ADC_TypeDef* ADCx, uint8_t nconv)
}
/* Start ADC calibration in mode single-ended or differential */
#if defined(STM32H7RS)
LL_ADC_StartCalibration(ADCx, LL_ADC_SINGLE_ENDED);
#else
LL_ADC_StartCalibration(ADCx, LL_ADC_CALIB_OFFSET_LINEARITY, LL_ADC_SINGLE_ENDED);
#endif
/* Wait for calibration completion */
while (LL_ADC_IsCalibrationOnGoing(ADCx) != 0UL);
@@ -267,8 +271,15 @@ static void adc_setup_scan_mode(ADC_TypeDef* ADCx, uint8_t nconv)
}
#if defined(STM32H7RS) || defined(STM32H7) || defined(STM32H5)
#if defined(ADC3)
#define _SUPPORTS_OVS(adc) (adc != ADC3)
#else
#define _SUPPORTS_OVS(adc) (true)
#endif
// set hardware oversampling
if (!_adc_oversampling_disabled && ADCx != ADC3) {
if (!_adc_oversampling_disabled && _SUPPORTS_OVS(ADCx)) {
// LL_ADC_OVS_RATIO_x in stm32h7xx_ll_adc.h is broken
// so actual oversampling count need to be used
// ADC3 oversampling is disabled because of issues in LL libs