gsm-

GSM室温监控系统

#ifndef _LCD12864_INCLUDED_
#define _LCD12864_INCLUDE
#include "common.h"
/**************************************************************
               iO口宏定义区
***************************************************************/
sbit CS =P2^2;
sbit SID=P2^3;//r/w
sbit SCK=P2^4;//e
/*******************************************************************
              常量声明区
********************************************************************/	    
unsigned char code AC_TABLE[]={				           //坐标编码
0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,
0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97, //4行8列
0x88,0x89,0x8a,0x8b,0x8c,0x8d,0x8e,0x8f,
0x98,0x99,0x9a,0x9b,0x9c,0x9d,0x9e,0x9f,
};
/****************************************************************
 声明：建议读者先查阅我们提供的12864word文档资料，理解12864定坐标的
 方式。	 											  
              发送一个字节
*****************************************************************/
void SendByte(unsigned char Dbyte)
{
	unsigned char i;
	for(i=0;i<8;i++)
	{
		SCK = 0;
		Dbyte=Dbyte<<1;
		SID = CY;//高位进位标志位，溢出时赋给SID,进行字节的读取
		SCK = 1;
		SCK = 0;
	}
}
/**********************************************************
              接收一个字节
***********************************************************/

unsigned char ReceiveByte(void)
{
	unsigned char i,temp1,temp2;
	temp1=temp2=0;
	for(i=0;i<8;i++)
	{
		temp1=temp1<<1;
		SCK = 0;
		SCK = 1;                
		SCK = 0;
		if(SID) temp1++;
	}
	for(i=0;i<8;i++)
	{
		temp2=temp2<<1;
		SCK = 0;
		SCK = 1;
		SCK = 0;
		if(SID) temp2++; //直到SID为0
	}
	return ((0xf0&temp1)+(0x0f&temp2));//返回高四位和低四位
}
/****************************************************************
                      检查忙状态
******************************************************************/
void CheckBusy( void )
{
	do SendByte(0xfc);     //11111,RW(1),RS(0),0
	while(0x80&ReceiveByte());//检查是否处于接收状态
}

/******************************************************************
           写一个字节的指令
*******************************************************************/
void WriteCommand( unsigned char Cbyte )
{
	CS = 1;
	CheckBusy();
	SendByte(0xf8);          //11111,RW(0),RS(0),0
	SendByte(0xf0&Cbyte);
	SendByte(0xf0&Cbyte<<4);
	CS = 0;
}
/*************************************************************
                 写一个字节的数据
**************************************************************/
void WriteData( unsigned char Dbyte )
{
	CS = 1;
	CheckBusy();
	SendByte(0xfa);          //11111,RW(0),RS(1),0
	SendByte(0xf0&Dbyte);
	SendByte(0xf0&Dbyte<<4);
	CS = 0;
}

/******************************************************************
                         lcd初始化函数
*******************************************************************/
void LcmInit( void )
{
     WriteCommand(0x30);
     WriteCommand(0x03);
     WriteCommand(0x0c);
     WriteCommand(0x01);
     WriteCommand(0x06);
}

/*******************************************************************************************************
                                 设定光标函数
********************************************************************************************************/
void Location_xy_12864(unsigned char x,unsigned char y)
{
	switch(x)
	{
		case 0:
			x=0x80;break;
		case 1:
			x=0x90;break;
		case 2:
			x=0x88;break;
		case 3:
			x=0x98;break;
		default:
			x=0x80;
	}
	y=y&0x07;
	WriteCommand(0x30);	//根据坐标定义，写光标位置
	WriteCommand(y+x);
	WriteCommand(y+x);

}
/***********************************************************************************
                  清除文本
************************************************************************************/
void LcmClearTXT( void )
{
	unsigned char i;
	WriteCommand(0x30);
	WriteCommand(0x80);
	for(i=0;i<64;i++)
	WriteData(0x20);
	Location_xy_12864(0,0);//锁定坐标	    
}
/**************************************************************************************
                   清除图片
*****************************************************************************************/
void LcmClearBMP( void )
{
	unsigned char i,j;
	WriteCommand(0x34);
	WriteCommand(0x36);
	for(i=0;i<32;i++)
	{
		WriteCommand(0x80|i);
		WriteCommand(0x80);
		for(j=0;j<32;j++)
		WriteData(0);
	}
}

//显示温度
void PutTemp(unsigned char row,unsigned char col)
{
	WriteCommand(0x30);
	WriteCommand(AC_TABLE[8*row+col]); //坐标位置
	WriteData((zhengshu%100)/10+48);
	WriteData(zhengshu%10+48);
	WriteData('.');
	WriteData(xiaoshu1+48);
}

/****************************************************************************************
                      显示字符串
*****************************************************************************************/
void PutStr(unsigned char row,unsigned char col,unsigned char *puts)
{    
	WriteCommand(0x30);
	WriteCommand(AC_TABLE[8*row+col]);
	while(*puts != '\0')
	{
		if(col==8)
		{
			col=0;
			row++;
		}
		if(row==4) row=0;
		WriteCommand(AC_TABLE[8*row+col]);
		WriteData(*puts);
		puts++;
		if(*puts != '\0')
		{
			WriteData(*puts);
			puts++;
			col++;
		}  
	}
}
/*
//显示一个四位的数字
void PutNum(unsigned char row,unsigned char col,unsigned int num)
{
    WriteCommand(0x30);
    WriteCommand(AC_TABLE[8*row+col]);
    WriteData((num/1000)+48);
    WriteData(((num%1000)/100)+48);
    WriteData(((num%100)/10)+48);
    WriteData((num%10)+48);   
}*/


//显示一个两位的数字
void PutTime(void)
{
  	WriteCommand(0x30);
	WriteCommand(AC_TABLE[19]);
    WriteData(((times[6]%100)/10)+48);
    WriteData((times[6]%10)+48);   
	WriteData('/');   
    WriteData(((times[4]%100)/10)+48);
    WriteData((times[4]%10)+48);   
	WriteData('/'); 
    WriteData(((times[3]%100)/10)+48);
    WriteData((times[3]%10)+48); 

    WriteCommand(0x30);
    WriteCommand(AC_TABLE[27]);
    WriteData(((times[2]%100)/10)+48);
    WriteData((times[2]%10)+48);   
	WriteData(':');   
    WriteData(((times[1]%100)/10)+48);
    WriteData((times[1]%10)+48);   
	WriteData(':'); 
    WriteData(((times[0]%100)/10)+48);
    WriteData((times[0]%10)+48); 
}

#endif