diff options
Diffstat (limited to 'os/hal/platforms/STM32F30x/hal_lld.c')
-rw-r--r-- | os/hal/platforms/STM32F30x/hal_lld.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32F30x/hal_lld.c b/os/hal/platforms/STM32F30x/hal_lld.c index 64b691ade..fcfbd4d10 100644 --- a/os/hal/platforms/STM32F30x/hal_lld.c +++ b/os/hal/platforms/STM32F30x/hal_lld.c @@ -103,12 +103,18 @@ void hal_lld_init(void) { rccResetAPB1(0xFFFFFFFF);
rccResetAPB2(0xFFFFFFFF);
+#if CH_CFG_TIMEDELTA == 0
/* SysTick initialization using the system clock.*/
SysTick->LOAD = STM32_HCLK / CH_CFG_FREQUENCY - 1;
SysTick->VAL = 0;
SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk |
SysTick_CTRL_ENABLE_Msk |
SysTick_CTRL_TICKINT_Msk;
+#else
+ rccEnableAPB1(RCC_APB1ENR_TIM2EN, TRUE);
+ nvicEnableVector(28, CORTEX_PRIORITY_MASK(CORTEX_PRIORITY_SYSTICK));
+ TIM2->PSC = STM32_TIMCLK2 / CH_CFG_FREQUENCY - 1;
+#endif
/* DWT cycle counter enable.*/
SCS_DEMCR |= SCS_DEMCR_TRCENA;
|