Added cache handling to DMAv2 driver.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8209 35acf78f-673a-0410-8e92-d51de3d6d3f4

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.

    */