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lpc43xx: fix clock configure

This commit is contained in:
Grissiom 2015-01-07 17:07:32 +08:00
parent 11026d0579
commit 05a01884e6
2 changed files with 3 additions and 5 deletions
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5
bsp/lpc43xx/M0/applications/board.c
View File

@ -46,7 +46,8 @@ void rt_hw_board_init()
SystemCoreClockUpdate(); SystemCoreClockUpdate();
/* Setup RIT timer. */ /* Setup RIT timer. */
LPC_RITIMER->COMPVAL = SystemCoreClock / RT_TICK_PER_SECOND - 1; LPC_RITIMER->MASK = 0;
LPC_RITIMER->COMPVAL = SystemCoreClock / RT_TICK_PER_SECOND;
/* Enable auto-clear. */ /* Enable auto-clear. */
LPC_RITIMER->CTRL |= 1 << 1; LPC_RITIMER->CTRL |= 1 << 1;
/* Reset the counter as the counter is enabled after reset. */ /* Reset the counter as the counter is enabled after reset. */
@ -62,7 +63,5 @@ void rt_hw_board_init()
/* setup the console device */ /* setup the console device */
rt_console_set_device(RT_CONSOLE_DEVICE_NAME); rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
rt_kprintf("timer compval: %d\n", LPC_RITIMER->COMPVAL);
} }

3
bsp/lpc43xx/M4/applications/board.c
View File

@ -55,7 +55,7 @@ void rt_hw_board_init()
SystemCoreClockUpdate(); SystemCoreClockUpdate();
/* init systick */ /* init systick */
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND - 1); SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
/* set pend exception priority */ /* set pend exception priority */
NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1); NVIC_SetPriority(PendSV_IRQn, (1 << __NVIC_PRIO_BITS) - 1);
@ -65,7 +65,6 @@ void rt_hw_board_init()
/* setup the console device */ /* setup the console device */
rt_console_set_device(RT_CONSOLE_DEVICE_NAME); rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
rt_kprintf("timer compval: %d\n", SystemCoreClock / RT_TICK_PER_SECOND - 1);
#if LPC_EXT_SDRAM == 1 #if LPC_EXT_SDRAM == 1
lpc_sdram_hw_init(); lpc_sdram_hw_init();