diff options
Diffstat (limited to 'os/hal/platforms/STM32F37x/adc_lld.c')
-rw-r--r-- | os/hal/platforms/STM32F37x/adc_lld.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/os/hal/platforms/STM32F37x/adc_lld.c b/os/hal/platforms/STM32F37x/adc_lld.c index 7c420326b..c8dfc378b 100644 --- a/os/hal/platforms/STM32F37x/adc_lld.c +++ b/os/hal/platforms/STM32F37x/adc_lld.c @@ -572,9 +572,10 @@ void adc_lld_stop_conversion(ADCDriver *adcp) { #endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */
#if STM32_ADC_USE_ADC
{
+ uint32_t cr2 = adcp->adc->CR2 & ADC_CR2_TSVREFE;
+ adcp->adc->CR2 = cr2;
adcp->adc->CR1 = 0;
- adcp->adc->CR2 = 0;
- adcp->adc->CR2 = ADC_CR2_ADON;
+ adcp->adc->CR2 = cr2 | ADC_CR2_ADON;
}
#endif /* STM32_ADC_USE_ADC */
#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC
|