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Merge pull request #783 from TanekLiang/lpc824_systick_bug

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[bsp] update core clock and add led task
This commit is contained in:
Bernard Xiong 2017-07-30 21:05:51 +08:00 committed by GitHub
commit 1b7d48134a
2 changed files with 48 additions and 2 deletions
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49
bsp/lpc824/applications/application.c
View File

@ -16,11 +16,20 @@
#include <board.h> #include <board.h>
#include <rtthread.h> #include <rtthread.h>
#include "peri_driver.h"
#define INIT_STACK_SIZE 512
#define LED_STACK_SIZE 256
#ifndef RT_USING_HEAP #ifndef RT_USING_HEAP
/* if there is not enable heap, we should use static thread and stack. */ /* if there is not enable heap, we should use static thread and stack. */
ALIGN(8) ALIGN(8)
static rt_uint8_t init_stack[512]; static rt_uint8_t init_stack[INIT_STACK_SIZE];
static struct rt_thread init_thread; static struct rt_thread init_thread;
ALIGN(8)
static rt_uint8_t led_stack[LED_STACK_SIZE];
static struct rt_thread led_thread;
#endif #endif
void rt_init_thread_entry(void* parameter) void rt_init_thread_entry(void* parameter)
@ -31,6 +40,24 @@ void rt_init_thread_entry(void* parameter)
#endif #endif
} }
void rt_led_thread_entry(void *parameter)
{
/* Initialize GPIO */
Chip_GPIO_Init(LPC_GPIO_PORT);
Chip_GPIO_PinSetDIR(LPC_GPIO_PORT, 0, 7, 1);
Chip_GPIO_PinSetState(LPC_GPIO_PORT, 0, 7, true);
while (1)
{
Chip_GPIO_PinSetState(LPC_GPIO_PORT, 0, 7, true);
rt_thread_delay(RT_TICK_PER_SECOND / 2);
Chip_GPIO_PinSetState(LPC_GPIO_PORT, 0, 7, false);
rt_thread_delay(RT_TICK_PER_SECOND / 2);
}
}
int rt_application_init() int rt_application_init()
{ {
rt_thread_t tid; rt_thread_t tid;
@ -38,7 +65,7 @@ int rt_application_init()
#ifdef RT_USING_HEAP #ifdef RT_USING_HEAP
tid = rt_thread_create("init", tid = rt_thread_create("init",
rt_init_thread_entry, RT_NULL, rt_init_thread_entry, RT_NULL,
2048, RT_THREAD_PRIORITY_MAX/3, 20); INIT_STACK_SIZE, RT_THREAD_PRIORITY_MAX/3, 20);
#else #else
{ {
@ -52,6 +79,24 @@ int rt_application_init()
#endif #endif
if (tid != RT_NULL) if (tid != RT_NULL)
rt_thread_startup(tid); rt_thread_startup(tid);
#ifdef RT_USING_HEAP
tid = rt_thread_create("led",
rt_led_thread_entry, RT_NULL,
LED_STACK_SIZE, RT_THREAD_PRIORITY_MAX/3, 20);
#else
{
rt_err_t result;
tid = &led_thread;
result = rt_thread_init(tid, "led", rt_led_thread_entry, RT_NULL,
led_stack, sizeof(led_stack), RT_THREAD_PRIORITY_MAX / 4, 20);
RT_ASSERT(result == RT_EOK);
}
#endif
if (tid != RT_NULL)
rt_thread_startup(tid);
return 0; return 0;
} }

1
bsp/lpc824/drivers/board.c
View File

@ -60,6 +60,7 @@ void SysTick_Handler(void)
*/ */
void rt_hw_board_init() void rt_hw_board_init()
{ {
SystemCoreClockUpdate();
SysTick_Config(SystemCoreClock / RT_TIMER_TICK_PER_SECOND); SysTick_Config(SystemCoreClock / RT_TIMER_TICK_PER_SECOND);
#ifdef RT_USING_COMPONENTS_INIT #ifdef RT_USING_COMPONENTS_INIT