diff options
Diffstat (limited to 'os')
| -rw-r--r-- | os/hal/platforms/STM32F3xx/adc_lld.c | 7 | ||||
| -rw-r--r-- | os/hal/platforms/STM32F3xx/adc_lld.h | 2 |
2 files changed, 7 insertions, 2 deletions
diff --git a/os/hal/platforms/STM32F3xx/adc_lld.c b/os/hal/platforms/STM32F3xx/adc_lld.c index 0d5bed09d..a35c73c03 100644 --- a/os/hal/platforms/STM32F3xx/adc_lld.c +++ b/os/hal/platforms/STM32F3xx/adc_lld.c @@ -491,8 +491,13 @@ void adc_lld_start_conversion(ADCDriver *adcp) { dmamode |= STM32_DMA_CR_HTIE;
}
dmaStreamSetMemory0(adcp->dmastp, adcp->samples);
- dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+#if STM32_ADC_DUAL_MODE
+ dmaStreamSetTransactionSize(adcp->dmastp, ((uint32_t)grpp->num_channels/2) *
(uint32_t)adcp->depth);
+#else
+ dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels *
+ (uint32_t)adcp->depth);
+#endif
dmaStreamSetMode(adcp->dmastp, dmamode);
dmaStreamEnable(adcp->dmastp);
diff --git a/os/hal/platforms/STM32F3xx/adc_lld.h b/os/hal/platforms/STM32F3xx/adc_lld.h index 127678595..3cd846f20 100644 --- a/os/hal/platforms/STM32F3xx/adc_lld.h +++ b/os/hal/platforms/STM32F3xx/adc_lld.h @@ -135,7 +135,7 @@ #define ADC_CCR_DMACFG_CIRCULAR (1 << 13)
#define ADC_CCR_MDMA_MASK (3 << 14)
#define ADC_CCR_MDMA_DISABLED (0 << 14)
-#define ADC_CCR_MDMA_WORD (1 << 14)
+#define ADC_CCR_MDMA_WORD (2 << 14)
#define ADC_CCR_MDMA_HWORD (3 << 14)
#define ADC_CCR_CKMODE_MASK (3 << 16)
#define ADC_CCR_CKMODE_ADCCK (0 << 16)
|