main.c

运行于ARM LPC2200系列,使用了uCOS2操作系统的LED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"

// 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P2.16--P2.23
#define   LED_ADJ           16
#define   LED_IOCON         (0xFF<<LED_ADJ)
#define   LED_OFF()         IO2SET=LED_IOCON
#define   LED_DISP(dat)     LED_OFF(); IO2CLR=((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;
    IO2DIR = 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
********************************************************************************************************/