main.c

开发环境为ADS V1.2 v0.2 加入zlg_gui代码后调试通过

/****************************************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"

#define	  KEY1	(1 << 20)           /* P0.20为KEY1,为弱上拉 */
#define	  BEEP	(1 << 7)            /* P0.07为蜂鸣器 */

#define	TaskStkLengh	64			//Define the Task0 stack length 定义用户任务0的堆栈长度 
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

// semaphore event control blocks 
OS_EVENT	*GUI_sem,*KEY1_sem;
uint8 err=0;  // 每个函数都要定义一次，很烦，所以放在这里
char msg[50];
void 	Task0(void *pdata);			//Task0 任务0
void 	Task1(void *pdata);			//Task0 任务1

int main(void)
{
	OSInit ();
	GUI_sem=OSSemCreate(1);		  // 此资源是调用者被独占的，所以初始化为1
	KEY1_sem=OSSemCreate(1);		  // 此资源是调用者被独占的，所以初始化为1	

    srand(3721);                // 初始化随机种子	
    GUI_Initialize();  
    GUI_SetColor(YELLOW, BLACK); 		    
    GUI_PutString8_8(10,300,"Hello world!"); 

	OSTaskCreate (Task0,(void *)0, &TaskStk0[TaskStkLengh - 1], 2);		
	OSStart ();
	return 0;															
}

/*********************************************************************************************************
**                            Task0 任务0
********************************************************************************************************/
void Task0(void *pdata)
{

	uint16 cnt=0;
    pdata = pdata;    
	TargetInit ();
    PINSEL0 = PINSEL0 & 0xffff3fff;                                 // 管教选择模块初始化
    PINSEL1 = PINSEL1 & 0xfffffcff;
	IO0DIR &= ~KEY1;			                                    // 设置KEY1的控制I/O为输入
	IO0DIR |= BEEP;			                                        // 设置蜂鸣器为输出
    IO0SET = BEEP;    
    


	OSTaskCreate (Task1,(void *)0, &TaskStk1[TaskStkLengh - 1], 5);
	
	for (;;)
    {   
    //OSTaskSuspend(OS_PRIO_SELF);   // Task0 suspend itself
      	OSSemPend(KEY1_sem,0,&err);         // 请求KEY1_sem信号量的使用权，request KEY1_sem
      	cnt++;
        IO0CLR = BEEP;
        OSTimeDly(OS_TICKS_PER_SEC / 8);
        IO0SET = BEEP;
        OSTimeDly(OS_TICKS_PER_SEC / 4);

        IO0CLR = BEEP;
        OSTimeDly(OS_TICKS_PER_SEC / 8);
        IO0SET = BEEP;
        OSTimeDly(OS_TICKS_PER_SEC / 4);

	    OSSemPend(GUI_sem,0,&err);         // 请求GUI_sem信号量的使用权，request GUI_sem
	    sprintf(msg,"Num:%d",cnt);
        GUI_PutString8_8(10,200,msg); 
		OSSemPost(GUI_sem);        		  // 释放GUI_sem信号量的使用权，release GUI_sem      	  
        
    }
}

/*********************************************************************************************************
**                            Task1 任务1
********************************************************************************************************/
void  Task1(void *pdata)
{
    uint32 tmp=0;
    pdata = pdata;                                      /* 避免编译警告 */


    for (;;)
    {
    	tmp=IO0PIN;	   // 读入IO0PIN的值，
    	tmp=tmp & KEY1; // 如果IO0PIN对应KEY位为0，则说明KEY1被按下。
        if (tmp == 0) 
        {  
      	  OSSemPost(KEY1_sem);        		  // 释放KEY1_sem信号量的使用权，release KEY1_sem
		  OSTimeDlyHMSM(0,0,0,200);  	      // OSTimeDly(OS_TICKS_PER_SEC / 50) can't work properly; and I don't know why    
        }
        

    }
}
   
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/