hyper104c.c

这是一个uC/OS-II For cs8900的移植项目源代码．可以在uCOSV252.exe上运行

/*
*********************************************************************************************************
*                                                uC/OS-II
*                                          The Real-Time Kernel
*
*                        (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
*                                           All Rights Reserved
*
*                                                 V2.51
*
*                                               EXAMPLE #1
*********************************************************************************************************
*/
#include "main.h"
//#include "scc.h"
#include "includes.h"
#include "serial.h"

/*
*********************************************************************************************************
*                                               CONSTANTS
*********************************************************************************************************
*/

#define  TASK_STK_SIZE                 512       /* Size of each task's stacks (# of WORDs)            */
#define  N_TASKS                       3         /* Number of identical tasks                          */

/*
*********************************************************************************************************
*                                               VARIABLES
*********************************************************************************************************
*/

OS_STK		TaskStk[N_TASKS][TASK_STK_SIZE];     /* Tasks stacks                                  */
OS_STK		TaskStartStk[TASK_STK_SIZE];
/*
*********************************************************************************************************
*                                           FUNCTION PROTOTYPES
*********************************************************************************************************
*/

void   	Task1(void *data);                             /* Function prototypes of tasks                  */
void   	Task2(void *data);                             /* Function prototypes of tasks                  */
void   	Task3(void *data);
void   	TaskStart(void *data);                         /* Function prototypes of Startup task           */
void   	BeforeMain	(void);
void   	C_Entry		(void);
void	CMain				(void);
bool	DoPrintHelp			(int argc, char **argv);

// 傈开函荐.
LOADER_STATUS	status;

/*$PAGE*/
/*
*********************************************************************************************************
*                                                MAIN
*********************************************************************************************************
*/

/*$PAGE*/
/*
*********************************************************************************************************
*                                              STARTUP TASK
*********************************************************************************************************
*/
void TaskStart (void *data)
{

	OSTimer0_Period_Setting();

	OSTimer0_Interrupt_Setting();			/* Timer Enable					          */

	OSStatInit();   	/* Initialize uC/OS-II's statistics */

	printf("\rTask...!!\n");
	OSTaskCreate(Task1,"Task1",&TaskStk[0][TASK_STK_SIZE - 1],1);

	OSTaskCreate(Task2,"Task2",&TaskStk[1][TASK_STK_SIZE - 1],2);

	for (;;) {
		printf("\n\rRunning Task : %5d\n", OSTaskCtr);     /* Display #tasks running                  */
		printf("\n\rCpu Usage : %3d\n", OSCPUUsage);       /* Display CPU usage in %                  */
		printf("\n\rContext Switches per Sec : %5d\n\r",(int)OSCtxSwCtr);  
		
		OSCtxSwCtr = 0;
		OSTimeDlyHMSM(0, 0, 1, 0);                         /* Wait one second                         */

	}
}
/*$PAGE*/
/*
*********************************************************************************************************
*                                                  TASKS
*********************************************************************************************************
*/

void Task1(void *data)
{
	for (;;) {
		printf("%s",(char *)data);
        	OSTimeDly(5);                            
	}
}

void Task2(void *data)
{
        for (;;) {
		printf("%s",(char *)data);
		OSTimeDly(2);     
        } 
}
void Task3(void *data)
{
    for (;;) {
		printf("%s",(char *)data);
		OSTimeDly(4);     
    }
}
void C_Entry(void)
{


	OSInit();                                              /* Initialize uC/OS-II                     */
	OSTaskCreate(TaskStart, (void *)0,&TaskStartStk[TASK_STK_SIZE - 1], 0);

	printf("\rOSTaskCreate...\n");

	OSStart();                                             /* Start multitasking                      */

	printf("\rOSStart...\n");
}