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drivers: adc: stm32: only handle OVR flag when supported #56017

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Merged
merged 1 commit into from
Mar 22, 2023
Merged

drivers: adc: stm32: only handle OVR flag when supported #56017

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8 changes: 8 additions & 0 deletions drivers/adc/adc_stm32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -794,7 +794,11 @@ static void dma_callback(const struct device *dev, void *user_data,
LOG_DBG("dma callback");

if (channel == data->dma.channel) {
#if !defined(CONFIG_SOC_SERIES_STM32F1X)
if (LL_ADC_IsActiveFlag_OVR(adc) || (status == 0)) {
#else
if (status == 0) {
#endif /* !defined(CONFIG_SOC_SERIES_STM32F1X) */
data->samples_count = data->channel_count;
data->buffer += data->channel_count;
/* Stop the DMA engine, only to start it again when the callback returns
Expand All @@ -803,7 +807,9 @@ static void dma_callback(const struct device *dev, void *user_data,
* within adc_context_start_sampling
*/
dma_stop(data->dma.dma_dev, data->dma.channel);
#if !defined(CONFIG_SOC_SERIES_STM32F1X)
LL_ADC_ClearFlag_OVR(adc);
#endif /* !defined(CONFIG_SOC_SERIES_STM32F1X) */
/* No need to invalidate the cache because it's assumed that
* the address is in a non-cacheable SRAM region.
*/
Expand Down Expand Up @@ -1087,7 +1093,9 @@ static int start_read(const struct device *dev,
*/
adc_stm32_enable(adc);

#if !defined(CONFIG_SOC_SERIES_STM32F1X)
LL_ADC_ClearFlag_OVR(adc);
#endif /* !defined(CONFIG_SOC_SERIES_STM32F1X) */

#if !defined(CONFIG_ADC_STM32_DMA)
#if defined(CONFIG_SOC_SERIES_STM32F0X) || \
Expand Down