main.c

多任务系统

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
********************************************************************************************************/
#include "config.h"
#include "stdlib.h"

// P0.7为蜂鸣器的控制I/O
#define   BEEP          (1<<7)      

// LED控制宏函数定义。LED1--LED8的控制I/O为P1.16--P1.23
#define   LED_ADJ	        16
#define   LED_IOCON	        (0xFF<<LED_ADJ)
#define   LED_OFF() 	    IO1SET=LED_IOCON
#define   LED_DISP(dat) 	LED_OFF(); IO1CLR=((dat)<<LED_ADJ)


#define	TaskStkLengh	100			//定义用户任务堆栈长度
 
OS_STK	TaskStk0[TaskStkLengh];		//Define the Task0 stack 定义用户任务0的堆栈
OS_STK	TaskStk1[TaskStkLengh];		//Define the Task1 stack 定义用户任务1的堆栈

void 	Task0(void *pdata);			//Task0 任务0
void 	Task1(void *pdata);			//Task0 任务1


/*********************************************************************************************************
**                            主函数
********************************************************************************************************/
int main (void)
{
	OSInit ();																										
	OSTaskCreate (Task0,(void *)0, &TaskStk0[TaskStkLengh - 1], 2);		
	OSStart ();
	return 0;															
}


/*********************************************************************************************************
**                            Task0 任务0
********************************************************************************************************/
void Task0(void *pdata)
{   const uint8  DISP_TAB[32] = { 0xFF,0x00,0xFF,0x00,0xFF,0x00,0xFF,0x00,
                                  0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,
                                  0x40,0x20,0x10,0x08,0x04,0x02,0x01,0x00, 
                                  0x55,0xAA,0x55,0xAA,0x55,0xAA,0x55,0x00 }; 
    uint8  i; 
   
	pdata = pdata;
	TargetInit ();	
	PINSEL0 = 0x00000000;		// 设置P0口管脚连接GPIO  
	IO0DIR = BEEP;	            // 设置蜂鸣器控制口为输出
    IO0SET = BEEP;
	IO1DIR = LED_IOCON;         // 设置LED1--LED8的控制口为输出
    LED_OFF();
   
    // 建立任务1(用于蜂鸣器控制)
	OSTaskCreate (Task1,(void *)0, &TaskStk1[TaskStkLengh - 1], 3);	
	
	while (1)
	{   for(i=0; i<32; i++)
        {   LED_DISP(DISP_TAB[i]);          // 输出LED显示数据
            OSTimeDly(OS_TICKS_PER_SEC/2);	// 延时0.5S
        } 		
	}
}
  

/*********************************************************************************************************
**                            Task1 任务1
********************************************************************************************************/
void Task1(void *pdata)
{
	pdata = pdata;
	
	while (1)
	{   OSTimeDly(OS_TICKS_PER_SEC*10);     // 延时10S
	    
	    IO0CLR = BEEP;  // 控制蜂鸣器响
        OSTimeDly(OS_TICKS_PER_SEC/2);			    
        IO0SET = BEEP;
	}
}  
   
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/