main.c

protues仿真基于DS1820多点粮食监控,液晶显示检测到的温度

/****************************************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:			Chenxibing
** Modified date:		2005-01-21
** Version:
** Descriptions:		IOPIN使用演示实验。
**
********************************************************************************************************/
#include "config.h"

#define		LEDS8	0xFF << 18		// P1[25:18]控制LED8～LED1
const uint32  LEDS0  =  0xFFFFFFFF;
#define		BUSY	1 << 16
const uint32  RS  =  (1<<22);
const uint32  RW2  =  (1<<21);
const uint32  EN  =  (1<<20);
const uint32  cs1  =  (1<<24);
const uint32  cs2  =  (1<<23);
//#define 	Dataport	
//sbit RS=P2^2; // 数据\指令 选择
//sbit RW=P2^1; // 读\写 选择
//sbit EN=P2^0; // 读\写使能
//sbit cs1=P2^4; // 片选1
//sbit cs2=P2^3; // 片选2

int main (void)
	{
		
		
		PINSEL0 = 0x00000000;			// 选择GPIO
		PINSEL1 = 0x00000000;
		
		PINSEL2 = PINSEL2 & (~0x08);	// P1[25:16]连接GPIO
		IO1DIR  = LEDS8;
		IO0DIR  = LEDS0;
		IO0SET 	= BUSY;
		IO0PIN=(IO0PIN | 0xffffffff) ;
		IO1PIN=(IO1PIN | 0xffffffff) ;
		//IO0DIR  = fangxiang;
					// LED灯控制口输出
					
	 
				
					
	while(1)	
		{	//uint32 i;
		
			//CheckState();
			/*for (i=0; i<0x7FFFFF; i++);
			IO1CLR =	RW2;*/
			while((IO0PIN & BUSY) ==0)
		
		
			{	//uint32 j,i;
				uint32 i;
				/*
				IO0PIN=(IO0PIN & 0xffffff00) | 0x92;
				
				j= IO0PIN;
				//j= 0x92;
				for (i=0; i<0x7FFFFF; i++);
				
				IO0PIN=(IO0PIN & 0xffffff00) | 0x80;
				for (i=0; i<0x7FFFFF; i++);
				
				IO0PIN=(IO0PIN & 0xffffff00) | j;
				for (i=0; i<0x7FFFFF; i++);*/
				
				IO1CLR = EN;
      //Dataport=0x00;
     			for (i=0; i<0x7FFFFF; i++);
     			IO1CLR = RW2;
     			for (i=0; i<0x7FFFFF; i++);
				IO1CLR = RS;
				for (i=0; i<0x7FFFFF; i++);
				IO1CLR = cs2;
				for (i=0; i<0x7FFFFF; i++);
				IO1CLR = cs1;
				for (i=0; i<0x7FFFFF; i++);
				IO1PIN=(IO1PIN | 0xffffffff) ;
				
			}
		}	
		
	    return 0;
	}


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