diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/platforms/STM32/adc_lld.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/os/hal/platforms/STM32/adc_lld.c b/os/hal/platforms/STM32/adc_lld.c index ae983e7bf..1a9069c59 100644 --- a/os/hal/platforms/STM32/adc_lld.c +++ b/os/hal/platforms/STM32/adc_lld.c @@ -203,16 +203,16 @@ void adc_lld_start_conversion(ADCDriver *adcp) { dmaChannelSetup(adcp->ad_dmachp, n, adcp->ad_samples, ccr);
/* ADC setup.*/
+ adcp->ad_adc->CR1 = grpp->acg_cr1 | ADC_CR1_SCAN;
+ adcp->ad_adc->CR2 = grpp->acg_cr2 | ADC_CR2_DMA | ADC_CR2_ADON;
adcp->ad_adc->SMPR1 = grpp->acg_smpr1;
adcp->ad_adc->SMPR2 = grpp->acg_smpr2;
adcp->ad_adc->SQR1 = grpp->acg_sqr1;
adcp->ad_adc->SQR2 = grpp->acg_sqr2;
adcp->ad_adc->SQR3 = grpp->acg_sqr3;
- adcp->ad_adc->CR1 = grpp->acg_cr1 | ADC_CR1_SCAN;
- adcp->ad_adc->CR2 = grpp->acg_cr2 | ADC_CR2_DMA | ADC_CR2_ADON;
- /* ADC start.*/
- adcp->ad_adc->CR2 |= ADC_CR2_SWSTART | ADC_CR2_EXTTRIG;
+ /* ADC start by writing ADC_CR2_ADON a second time.*/
+ adcp->ad_adc->CR2 = grpp->acg_cr2 | ADC_CR2_DMA | ADC_CR2_ADON;
}
/**
|