//è???ó??è??
#define START_TASK_PRIO 2
//è???????′óD?
#define START_STK_SIZE 128
//è?????±ú
TaskHandle_t StartTask_Handler;
//è???oˉêy
void start_task(void *pvParameters);
//è???ó??è??
#define LED0_TASK_PRIO 11
//è???????′óD?
#define LED0_STK_SIZE 1024
//è?????±ú
TaskHandle_t LED0Task_Handler;
//è???oˉêy
void led0_task(void *pvParameters);
//è???ó??è??
#define LED1_TASK_PRIO 20
//è???????′óD?
#define LED1_STK_SIZE 1024
//è?????±ú
TaskHandle_t LED1Task_Handler;
//è???oˉêy
void led1_task(void *pvParameters);
//è???ó??è??
#define LED2_TASK_PRIO 11
//è???????′óD?
#define LED2_STK_SIZE 1024
//è?????±ú
TaskHandle_t LED2Task_Handler;
//è???oˉêy
void led2_task(void *pvParameters);
int main(void)
{
System_Init();
// MainTask();
//′′?¨?aê?è???
xTaskCreate((TaskFunction_t )start_task, //è???oˉêy
(const char* )"start_task", //è?????3?
(uint16_t )START_STK_SIZE, //è???????′óD?
(void* )NULL, //′?μY??è???oˉêyμ?2?êy
(UBaseType_t )START_TASK_PRIO, //è???ó??è??
(TaskHandle_t* )&StartTask_Handler); //è?????±ú
vTaskStartScheduler(); //?a??è???μ÷?è
}
//?aê?è???è???oˉêy
void start_task(void *pvParameters)
{
taskENTER_CRITICAL(); //??è?áù????
//′′?¨LED0è???
xTaskCreate((TaskFunction_t )led0_task,
(const char* )"led0_task",
(uint16_t )LED0_STK_SIZE,
(void* )NULL,
(UBaseType_t )LED0_TASK_PRIO,
(TaskHandle_t* )&LED0Task_Handler);
//′′?¨LED1è???
xTaskCreate((TaskFunction_t )led1_task,
(const char* )"led1_task",
(uint16_t )LED1_STK_SIZE,
(void* )NULL,
(UBaseType_t )LED1_TASK_PRIO,
(TaskHandle_t* )&LED1Task_Handler);
//′′?¨LED2è???
xTaskCreate((TaskFunction_t )led2_task,
(const char* )"led2_task",
(uint16_t )LED2_STK_SIZE,
(void* )NULL,
(UBaseType_t )LED2_TASK_PRIO,
(TaskHandle_t* )&LED2Task_Handler);
vTaskDelete(StartTask_Handler); //é?3y?aê?è???
taskEXIT_CRITICAL(); //í?3?áù????
}
//LED0è???oˉêy
void led0_task(void *pvParameters)
{
while(1)
{
vTaskDelay(200);
}
}
void led2_task(void *pvParameters)
{
while(1)
{
vTaskDelay(20);
}
}
//LED1è???oˉêy
void led1_task(void *pvParameters)
{
while(1)
{
Reflash_RGB();
vTaskDelay(6);
}
}
最近使用FreertOS时候，遇到一个莫名其妙的问题，求教各位大侠了。就是以上简单的几个任务，当led0_task vTaskDelay(200);中的时间片大于300的时候，我调试发现任务切换不过去了，当小于或等于200，就完全OK.我试过300、400、500、1000都无法正常切换任务。
堆栈设置的是#define configTOTAL_HEAP_SIZE ((size_t)(35*1024)) //?μí3?ùóD×üμ???′óD?
应该完全够用
|
楼主
标题置顶
标题高亮
