display.c

此程序是我用AT89S52单片机来控制显示屏FYD12864,采用C语言编写的可以显示图形,我调试了一周,在此和大家一起分享

#include "main.h"
#include "lcd.h"

unsigned char code picture[]={ 
0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
};


//void WriteLCD_Picture(unsigned char StartAddressY,unsigned char StartAddressX,
//                     unsigned char *tab,unsigned char biaozhi);
/*
LCDInitial LCD初始化程序：
	初始化LCD并显示欢迎屏。
*/
void DISPInitial()
{
	unsigned int i;
	unsigned char j;
	WriteLCD_Command(0x30);	  //功能设置---8BIT控制界面，基本指令集
	WriteLCD_Command(0x0C);	  //显示打开，光标关，反白显示关
	WriteLCD_Command(0x01);	  //清除屏幕显示，将DDRAM的地址计数器归零
	WriteLCD(0x80,0,"※WELCOME TO※  温度测量仪        电子科技大学");
	  	
	for(i=0;i<50000;i++)
		for(j=0;j<10;j++); 			//延时两秒
	 
	//WriteLCD(0x98,0,"                ");
	WriteLCD_Command(0x0C);			   			//关闭游标的闪烁
	WriteLCD_Command(0x01);	       //清除屏幕显示，将DDRAM的地址计数器归零
	WriteLCD(0x80,0,"请稍等......");
	WriteLCD_CharNumber(0x95,0x01);
	  for(i=0;i<10000;i++)
		for(j=0;j<2;j++); 
	WriteLCD_CharNumber(0x9A,0x01);
	  for(i=0;i<10000;i++)
		for(j=0;j<2;j++); 
	WriteLCD_CharNumber(0x92,0x01);
	 for(i=0;i<10000;i++)
		for(j=0;j<2;j++); 
	WriteLCD_CharNumber(0x9D,0x01);
	for(i=0;i<40000;i++)
		for(j=0;j<4;j++); 	//延时两秒
}

void DisplayLCD()
{	unsigned int i;
    unsigned char j;
	WriteLCD_Command(0x0C);			   			//关闭游标的闪烁
	WriteLCD_Command(0x01);	  //清除屏幕显示，将DDRAM的地址计数器归零
	WriteLCD(0x80,0,"今天的天气比教柔和!!");
    WriteLCD(0x88,0,"今天的温度:    C");
	WriteLCD_Number(0x8E,18);
	WriteLCD(0x98,0,"                ");
	 for(i=0;i<50000;i++)
	  for(j=0;j<10;j++);
	WriteLCD_Command(0x0C);			   			//关闭游标的闪烁
	WriteLCD_Command(0x01);	  //清除屏幕显示，将DDRAM的地址计数器归零
	WriteLCD_Command(0x32);	  //功能设置  绘图显示ON
        								  //延时两秒
	WriteLCD_Command(0x36);	  //功能设置  绘图显示ON
	  							 //延时两秒
   //WriteLCD_CustomPicture(0x80,0x80,picture,0);        
   //WriteLCD_Picture(0x80,0x80,picture,0);
   //WriteLCD_Picture(0x80,0x88,picture,1);
	
	//WriteLCD_Picture(0x80,0x8B,picture,1);	 //显示上半部分	 
	 for(i=0;i<50000;i++)
	 for(j=0;j<10;j++);			    //延时两秒
	
	//WriteLCD_Command(0x34);			   			//关闭图形的显示
	//WriteLCD_Command(0x36);
}