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stmhal: Set SysTick priority to highest level.

This commit is contained in:
Damien George 2014-03-12 22:08:19 +00:00
parent 4ef1dbcbf6
commit f555d5deca
1 changed files with 5 additions and 10 deletions
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15
stmhal/main.c
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@ -243,6 +243,10 @@ static void SystemClock_Config(void) {
for (;;) { for (;;) {
} }
} }
// Make SysTick interrupt have the highest priority
// This is needed so that SysTick runs in all ISRs.
NVIC_SetPriority(SysTick_IRQn, 0);
} }
int main(void) { int main(void) {
@ -283,18 +287,9 @@ int main(void) {
} }
#if 0 #if 0
// update the SystemCoreClock variable
SystemCoreClockUpdate();
// set interrupt priority config to use all 4 bits for pre-empting
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
// enable the CCM RAM and the GPIO's
RCC->AHB1ENR |= RCC_AHB1ENR_CCMDATARAMEN | RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN | RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIODEN;
_fatal_error("done"); _fatal_error("done");
#endif #endif
#if 0 #if 0
#if MICROPY_HW_HAS_SDCARD #if MICROPY_HW_HAS_SDCARD
{ {