main.c

我写的 周立功的LPC2131的简单的OS程序

/****************************************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 << 16             //P0.16连接KEY1
uint32  UART_BPS = 9600;
#define  LED1    1 << 18

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

uint32 ADC_data = 0;


 
OS_STK	TaskStk [TaskStkLengh];		 //Define the Task0 stack 定义用户任务0的堆栈
OS_STK	TaskStkUART [TaskStkLengh];	 //Define the Task1 stack 定义用户任务1的堆栈
OS_STK  TaskStkAD [TaskStkLengh];
OS_STK  TaskStkPWM [TaskStkLengh];



void 	TaskKEY(void *pdata);			//Task0 任务0
void 	TaskUART(void *pdata);			//Task1 任务1
void 	TaskAD(void *pdata);			//Task1 任务2
void 	TaskPWM(void *pdata);			//Task1 任务3




/*********************************************************************************************************
**                           main  任务
********************************************************************************************************/
        int main (void)
{
 	
	OSInit ();	
																									
	OSTaskCreate (TaskKEY,(void *)0, &TaskStk[TaskStkLengh - 1], 2);		
	OSStart ();
	return 0;															
}
/*********************************************************************************************************
**                            TaskKEY  任务0
********************************************************************************************************/

		void TaskKEY	(void *pdata)
{
	
	
	
	pdata = pdata ;
	
	PINSEL0 = (PINSEL0&(~0x0f))|0x05;
	PINSEL1 = 0;
	IO1DIR  = LED1;
	IO0DIR  = 0;
	
	
	
	OSTaskCreate (TaskUART,(void *)0, &TaskStkUART[TaskStkLengh - 1], 3);
	OSTaskCreate (TaskAD,(void *)0, &TaskStkAD[TaskStkLengh - 1], 4);
	OSTaskCreate (TaskPWM,(void *)0, &TaskStkPWM[TaskStkLengh - 1], 5);
    TargetInit ();
    
   
	for (;;)
	{
		
		
		if((IO0PIN&KEY1) == 0) 
		{		  		  		  
	       IO1CLR = LED1;
		   OSTaskResume(3); 
		}
	    OSTimeDly(OS_TICKS_PER_SEC/200);
	}
}
/*********************************************************************************************************
**                            TaskUART  任务1  
********************************************************************************************************/

		void TaskUART	(void *pdata)
{
    
    uint32 Fdiv;
	pdata = pdata ;
	  
	
	U0LCR = 0x83 ;            //DLAB = 1 容许设置波特缆