main.c

这是实验室在进行嵌入式开发的时候的首选

#include	"../ucos-ii/includes.h"               /* uC/OS interface */

//task stack size
#ifdef SEMIHOSTED
	#define	TASK_STACK_SIZE	(64+SEMIHOSTED_STACK_NEEDS)
#else
	#define		TASK_STACK_SIZE	10*1024
#endif

//Task definition

//Main Task
OS_STK Main_Stack[TASK_STACK_SIZE]= {0, };
extern void Main_Task(void *Id);
#define Main_PRIO       15

//Task1
OS_STK Task1_Stack[TASK_STACK_SIZE]= {0, };
extern void Task1_Task(void *Id);
#define Task1_PRIO       12

//Task2
OS_STK Task2_Stack[TASK_STACK_SIZE]= {0, };
extern void Task2_Task(void *Id);
#define Task2_PRIO       16

//Task3
OS_STK Task3_Stack[TASK_STACK_SIZE]= {0, };
extern void Task3_Task(void *Id);
#define Task3_PRIO       14


void Task1_Task(void *Id)
{
	int i;
	Uart_Printf("1OK!\n");
	while(1)
	{
		i++;
		OSTimeDly(10);
	}
}
void Task2_Task(void *Id)
{
	int i;
	Uart_Printf("2OK!\n");
	while(1)
	{
		i++;
		OSTimeDly(20);
	}
}
void Task3_Task(void *Id)
{
	int i;
	Uart_Printf("3OK!\n");
	while(1)
	{
		i++;
		OSTimeDly(30);
	}
}
void Main_Task(void *Id)
{
	OSStatInit();
	
	OSTaskCreate(Task1_Task, (void *)0, (OS_STK *)&Task1_Stack[TASK_STACK_SIZE-1],  Task1_PRIO);
  	OSTaskCreate(Task2_Task, (void *)0, (OS_STK *)&Task2_Stack[TASK_STACK_SIZE-1],  Task2_PRIO);
  	OSTaskCreate(Task3_Task, (void *)0, (OS_STK *)&Task3_Stack[TASK_STACK_SIZE-1],  Task3_PRIO);
	while (1)
	{
		OSTimeDly(40);
	}
}	





int Main(int argc, char **argv)
{
	Led_Display(0xf);
			Delay(5000);
			Led_Display(0x0);
			Delay(500);
	
	ARMTargetInit();
	Uart_Init(0,115200);
	Uart_Select(0);
	Uart_Printf("OK!\n");
	// Init uCOS-II
	
	OSInit();
	
	//Create the Main Task
	OSTaskCreate(Main_Task, (void *)0, (OS_STK *)&Main_Stack[TASK_STACK_SIZE-1],  Main_PRIO);
    
	/* Start the S3C44B0X BSP Running */
	ARMTargetStart();

	/* Start uCOS-II */
	OSStart();
	return 0;
}