diff options
Diffstat (limited to 'os/hal/platforms/LPC11xx/hal_lld.c')
| -rw-r--r-- | os/hal/platforms/LPC11xx/hal_lld.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/os/hal/platforms/LPC11xx/hal_lld.c b/os/hal/platforms/LPC11xx/hal_lld.c index 7d831dfa9..d513a6156 100644 --- a/os/hal/platforms/LPC11xx/hal_lld.c +++ b/os/hal/platforms/LPC11xx/hal_lld.c @@ -53,6 +53,16 @@ */
void hal_lld_init(void) {
+ /* Note: PRIGROUP 2:0 (2:6).*/
+// SCB->AIRCR = AIRCR_VECTKEY | SCB_AIRCR_PRIGROUP_0 | SCB_AIRCR_PRIGROUP_1;
+ NVICSetSystemHandlerPriority(HANDLER_SVCALL, CORTEX_PRIORITY_SVCALL);
+ NVICSetSystemHandlerPriority(HANDLER_SYSTICK, CORTEX_PRIORITY_SYSTICK);
+ NVICSetSystemHandlerPriority(HANDLER_PENDSV, CORTEX_PRIORITY_PENDSV);
+
+ /* Systick initialization.*/
+ SysTick->LOAD = LPC11xx_SYSCLK / (8000000 / CH_FREQUENCY) - 1;
+ SysTick->VAL = 0;
+ SysTick->CTRL = SysTick_CTRL_ENABLE_Msk | SysTick_CTRL_TICKINT_Msk;
}
/**
|