1 files changed, 10 insertions, 5 deletions
diff --git a/testhal/STM32/STM32F7xx/GPT-ADC-SPI-PWM-ICU/main.c b/testhal/STM32/STM32F7xx/GPT-ADC-SPI-PWM-ICU/main.c
index a71d2540f..0ff6372bf 100644
--- a/testhal/STM32/STM32F7xx/GPT-ADC-SPI-PWM-ICU/main.c
+++ b/testhal/STM32/STM32F7xx/GPT-ADC-SPI-PWM-ICU/main.c
@@ -47,6 +47,11 @@ size_t nx = 0, ny = 0;
 static void adccallback(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
 
   (void)adcp;
+
+  /* DMA buffer invalidation because data cache.*/
+  dmaBufferInvalidate(buffer, n * ADC_GRP1_NUM_CHANNELS);
+
+  /* Updating counters.*/
   if (samples1 == buffer) {
     nx += n;
   }
@@ -111,11 +116,6 @@ static THD_FUNCTION(Thread1, arg) {
  */
 int main(void) {
 
-  SCB_InvalidateICache();
-  SCB_EnableICache();
-  SCB_InvalidateDCache();
-  SCB_EnableDCache();
-
   /*
    * System initializations.
    * - HAL initialization, this also initializes the configured device drivers
@@ -126,6 +126,11 @@ int main(void) {
   halInit();
   chSysInit();
 
+  SCB_InvalidateICache();
+  SCB_EnableICache();
+  SCB_InvalidateDCache();
+  SCB_EnableDCache();
+
   /*
    * Activates the serial driver 1 using the driver default configuration.
    */