main.c

ucos 在s3c44b0 ARM芯片上的移植。系统初始化后会建立除idle任务外的其余三个任务

#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

/* allocate memory for tasks' stacks */
#define STACKSIZE 64

/* Global Variable */
unsigned int Stack1[STACKSIZE];
unsigned int Stack2[STACKSIZE];
unsigned int Stack3[STACKSIZE];
unsigned int StackMain[STACKSIZE];

void Task1(void *Id)
{
	while(1)
	{

		Led1_Flash();
		Led2_Flash();
		
		OSTimeDly(160);
	}
}

void Task2(void *Id)
{
	while(1)
	{

		Led3_Flash();
		Led4_Flash();
		
		OSTimeDly(80);
	}
}

void Task3(void *Id)
{
	int i=0;
		// print To UART0
		uHALr_printf("*==================================*\n"); 
       		uHALr_printf("*=  深圳市英蓓特信息技术有限公司  =*\n"); 
       		uHALr_printf("*==================================*\n"); 
       		uHALr_printf("*========== 产品研发中心 ==========*\n"); 
 		uHALr_printf("*=======  86-755-25631365  ========*\n"); 
       		uHALr_printf("*===== [e-mail] ======*\n"); 
      		uHALr_printf("*===                            ===*\n"); 
	while(1)
	{
       		i++;
      		uHALr_printf("          **** %d ****\r",i);
 		OSTimeDly(90);
	}
}

void TaskStart (void *i)
{

     char Id1 = '1';
     char Id2 = '2';
     char Id3 = '3';
     
     uHALr_InitTimers();            // enable timer counter interrupt
                
     /*
     * create the tasks in uC/OS and assign decreasing
     * priority to them
     */

    OSTaskCreate(Task1, (void *)0, &Stack1[STACKSIZE - 1], 2);
    OSTaskCreate(Task2, (void *)0, &Stack2[STACKSIZE - 1], 3);
    OSTaskCreate(Task3, (void *)0, &Stack3[STACKSIZE - 1], 4);
    
    // Delete current task
    OSTaskDel(OS_PRIO_SELF);
}

int Main(void)//int argc, char **argv
{
	char Id4 = '4';
	ARMTargetInit();
	
	/* needed by uC/OS */
	OSInit();
	
	OSTimeSet(0);
	
	/* create the start task */
	OSTaskCreate(TaskStart,(void *)0, &StackMain[STACKSIZE - 1], 0);
	
	ARMTargetStart();
	
	/* start the operating system */
	OSStart();
	
	return(0);
	
//* End
}