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authortanek liang <[email protected]>2017-07-30 19:21:01 +0800
committertanek liang <[email protected]>2017-07-30 19:21:01 +0800
commit47c7d947998f84c1fe9680c0039cfef18adda596 (patch)
tree43229ea73db3632ec01b4dc93c101efb766c8ee8
parente2e9afb699ea70976ad6457ee92a6ee933f3e3fe (diff)
[bsp] update clock before configure systick
-rw-r--r--bsp/lpc824/drivers/board.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/bsp/lpc824/drivers/board.c b/bsp/lpc824/drivers/board.c
index 8ad077dbc6..ea941abc64 100644
--- a/bsp/lpc824/drivers/board.c
+++ b/bsp/lpc824/drivers/board.c
@@ -60,6 +60,7 @@ void SysTick_Handler(void)
*/
void rt_hw_board_init()
{
+ SystemCoreClockUpdate();
SysTick_Config(SystemCoreClock / RT_TIMER_TICK_PER_SECOND);
#ifdef RT_USING_COMPONENTS_INIT