Fixed behavior of the PRCR register. Previous write protection will be recovered.

This commit is contained in:
Matthias Schär
2022-07-28 13:01:36 +02:00
committed by hathach
parent 42decf28f1
commit 5c7876d444
4 changed files with 6 additions and 4 deletions

View File

@@ -99,9 +99,10 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
void vApplicationSetupTimerInterrupt(void)
{
/* Enable CMT0 */
unsigned short oldPRCR = SYSTEM.PRCR.WORD;
SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
MSTP(CMT0) = 0;
SYSTEM.PRCR.WORD = (0xA5u<<8);
SYSTEM.PRCR.WORD = oldPRCR;
CMT0.CMCNT = 0;
CMT0.CMCOR = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);

View File

@@ -99,9 +99,10 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
void vApplicationSetupTimerInterrupt(void)
{
/* Enable CMT0 */
unsigned short oldPRCR = SYSTEM.PRCR.WORD;
SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
MSTP(CMT0) = 0;
SYSTEM.PRCR.WORD = (0xA5u<<8);
SYSTEM.PRCR.WORD = oldPRCR;
CMT0.CMCNT = 0;
CMT0.CMCOR = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);