From 347b801809d0c9c30c046d3a60277d05b1c8d86c Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sun, 28 Mar 2010 08:04:45 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1797 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32/hal_lld.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) (limited to 'os/hal/platforms/STM32/hal_lld.c') diff --git a/os/hal/platforms/STM32/hal_lld.c b/os/hal/platforms/STM32/hal_lld.c index 59e4fee58..c98de5104 100644 --- a/os/hal/platforms/STM32/hal_lld.c +++ b/os/hal/platforms/STM32/hal_lld.c @@ -74,15 +74,18 @@ const STM32GPIOConfig pal_default_config = void hal_lld_init(void) { /* Note: PRIGROUP 4:0 (4:4).*/ - SCB->AIRCR = AIRCR_VECTKEY | SCB_AIRCR_PRIGROUP_0 | SCB_AIRCR_PRIGROUP_1; + SCB->AIRCR = (0x05FA << SCB_AIRCR_VECTKEY_Pos) | + (3 << SCB_AIRCR_PRIGROUP_Pos); NVICSetSystemHandlerPriority(HANDLER_SVCALL, CORTEX_PRIORITY_SVCALL); NVICSetSystemHandlerPriority(HANDLER_SYSTICK, CORTEX_PRIORITY_SYSTICK); NVICSetSystemHandlerPriority(HANDLER_PENDSV, CORTEX_PRIORITY_PENDSV); - /* Systick initialization.*/ - SysTick->LOAD = SYSCLK / (8000000 / CH_FREQUENCY) - 1; + /* Systick initialization using the system clock.*/ + SysTick->LOAD = SYSCLK / CH_FREQUENCY - 1; SysTick->VAL = 0; - SysTick->CTRL = SysTick_CTRL_ENABLE | SysTick_CTRL_TICKINT; + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_ENABLE_Msk | + SysTick_CTRL_TICKINT_Msk; #if CH_HAL_USE_ADC || CH_HAL_USE_SPI dmaInit(); -- cgit v1.2.3