main.c

基于ucos下的I2C主设备操作。包含i2c在ucos下的驱动

/****************************************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	  BEEP	(1 << 7)            /* P0.7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	TaskStk[TaskStkLengh];		//Define the Task0 stack 定义用户任务0的堆栈
void 	Task0(void *pdata);			//Task0 任务0


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

		void Task0	(void *pdata)
{
    uint8 i;
    uint8 DataBuf[11];
    
	pdata = pdata;
	TargetInit ();	
	IODIR |= BEEP;			                                        /* 设置蜂鸣器为输出*/
    PINSEL0 = (PINSEL0 & 0xffff3fff);                               /* 管脚选择模块初始化 */
    IOSET = BEEP;
    
    for (i = 0; i < 10; i++)
    {
        DataBuf[i + 1] = i + '0';
    }
    DataBuf[0] = 0;                                                 /* 扩展地址 */
    I2cWrite(CAT1025, DataBuf, 11);

    OSTimeDly(OS_TICKS_PER_SEC / 100 + 1);
    I2cRead(CAT1025, DataBuf, DataBuf, 1, 10);
    for (i = 0; i < 10; i++)
    {
        if (DataBuf[i] != (i + '0'))
        {
            break;
        }
    }
    if ( i < 10)
    {                                                               /* 读写错误 */
        while (1)
        {
            IOCLR = BEEP;
            OSTimeDly(OS_TICKS_PER_SEC / 5);
            IOSET = BEEP;
            OSTimeDly(OS_TICKS_PER_SEC / 5);
        }
        
    }
    else
    {                                                               /* 读写成功 */
        IOCLR = BEEP;
        OSTimeDly(OS_TICKS_PER_SEC);
        IOSET = BEEP;
        while (1);
    }
}



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