diff options
Diffstat (limited to 'os/hal/platforms/STM32F2xx')
| -rw-r--r-- | os/hal/platforms/STM32F2xx/adc_lld.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/os/hal/platforms/STM32F2xx/adc_lld.c b/os/hal/platforms/STM32F2xx/adc_lld.c index 937b26727..229b14da0 100644 --- a/os/hal/platforms/STM32F2xx/adc_lld.c +++ b/os/hal/platforms/STM32F2xx/adc_lld.c @@ -348,7 +348,11 @@ void adc_lld_start_conversion(ADCDriver *adcp) { /* ADC configuration and start, the start is performed using the method
specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/
adcp->adc->CR1 = grpp->cr1 | ADC_CR1_OVRIE | ADC_CR1_SCAN;
- adcp->adc->CR2 = grpp->cr2 | ADC_CR2_CONT | ADC_CR2_DMA |
+ if ((grpp->cr2 & ADC_CR2_SWSTART) == 0)
+ adcp->adc->CR2 = grpp->cr2 | ADC_CR2_CONT | ADC_CR2_DMA |
+ ADC_CR2_DDS | ADC_CR2_ADON;
+ else
+ adcp->adc->CR2 = grpp->cr2 | ADC_CR2_DMA |
ADC_CR2_DDS | ADC_CR2_ADON;
}
|