diff options
Diffstat (limited to 'os/hal/ports/STM32/LLD/ADCv2/adc_lld.c')
| -rw-r--r-- | os/hal/ports/STM32/LLD/ADCv2/adc_lld.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/ADCv2/adc_lld.c b/os/hal/ports/STM32/LLD/ADCv2/adc_lld.c index 75d7af606..e8a2e87d9 100644 --- a/os/hal/ports/STM32/LLD/ADCv2/adc_lld.c +++ b/os/hal/ports/STM32/LLD/ADCv2/adc_lld.c @@ -84,6 +84,12 @@ static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) { /* It is possible that the conversion group has already be reset by the
ADC error handler, in this case this interrupt is spurious.*/
if (adcp->grpp != NULL) {
+
+ /* DMA buffer invalidation because data cache.*/
+ dmaBufferInvalidate(adcp->samples,
+ adcp->samples +
+ (adcp->depth * adcp->grpp->num_channels));
+
if ((flags & STM32_DMA_ISR_TCIF) != 0) {
/* Transfer complete processing.*/
_adc_isr_full_code(adcp);
|