5110-51.c

用C写的STC的NOKIA 5110 LCD

/*--------------------------------------------
LCD_write_byte: 使用SPI接口写数据到LCD
输入参数：dt：写入的数据；
command ：写数据/命令选择；
编写日期：20080918 
----------------------------------------------*/
void LCD_write_byte(unsigned char dt, unsigned char command)
{
	unsigned char i; 
	sce=0;	
	dc=command;	
	for(i=0;i<8;i++)
	{ 
		if(dt&0x80)
			sdin=1;
		else
			sdin=0;
		dt=dt<<1;		
		sclk=0; 		
		sclk=1; 
	}	
	dc=1;	
	sce=1;	
	sdin=1;
}
/*---------------------------------------
LCD_init: 3310LCD初始化
编写日期：20080918 
-----------------------------------------  */
void LCD_init(void)
{
	res=0;  	
  	delay_1ms();
  	res=1;  
	LCD_write_byte(0x21,0);//初始化Lcd,功能设定使用扩充指令
	LCD_write_byte(0xd0,0);//设定液晶偏置电压
	LCD_write_byte(0x20,0);//使用基本指令
	LCD_write_byte(0x0C,0);//设定显示模式，正常显示
}
/*-------------------------------------------
LCD_set_XY: 设置LCD坐标函数
输入参数：X：0－83  Y：0－5
编写日期：20080918 
---------------------------------------------*/
void LCD_set_XY(unsigned char X, unsigned char Y)
{
	LCD_write_byte(0x40 | Y, 0);// column
	LCD_write_byte(0x80 | X, 0);// row
} 
/*------------------------------------------
LCD_clear: LCD清屏函数
编写日期：20080918 
--------------------------------------------*/
void LCD_clear(void)
{
	unsigned char t;
	unsigned char k;
	LCD_set_XY(0,0);
	for(t=0;t<6;t++)
	{ 
		for(k=0;k<84;k++)
		{ 
			LCD_write_byte(0x00,1);
				
		} 
	}
}
/*---------------------------------------------
LCD_write_shu: 显示8（宽）*16（高）点阵列数字字母符号等半角类
输入参数：c：显示的字符；
编写日期：20080918 
-----------------------------------------------*/
void LCD_write_shu(unsigned char row, unsigned char page,unsigned char c) //row:列 page:页 dd:字符
{
	unsigned char i;  	
	
	LCD_set_XY(row*8, page);// 列，页 
	for(i=0; i<8;i++) 
	{
		LCD_write_byte(shuzi[c*16+i],1); 
	}
	
    LCD_set_XY(row*8, page+1);// 列，页 
	for(i=8; i<16;i++) 
	{
		LCD_write_byte(shuzi[c*16+i],1);
	}	 	
}
/*---------------------------------------------
LCD_write_hanzi: 显示16（宽）*16（高）点阵列汉字等半角类
输入参数：c：显示的字符；
编写日期：20080918 
-----------------------------------------------*/
void LCD_write_hanzi(unsigned char row, unsigned char page,unsigned char c) //row:列 page:页 dd:字符
{
	unsigned char i;  	
	
	LCD_set_XY(row*8, page);// 列，页 
	for(i=0; i<16;i++) 
	{
		LCD_write_byte(hanzi[c*32+i],1); 
	}
	
    LCD_set_XY(row*8, page+1);// 列，页 
	for(i=16; i<32;i++) 
	{
		LCD_write_byte(hanzi[c*32+i],1);
	}	
}
















main()
{	
  	unsigned char k;
	res=0;
	for(k=0;k<250;k++);
	res=1;	  	
  	LCD_init();  //初始化LCD模块 
	LCD_clear(); //清屏幕
	

//	LCD_write_hanzi(0,0,0);  //宁	
//	LCD_write_hanzi(2,0,1);  //波
	LCD_write_hanzi(4,0,2);  //单
	LCD_write_hanzi(6,0,3);  //片
	LCD_write_hanzi(8,0,4);  //机
	
	LCD_write_hanzi(1,2,5);  //开
	LCD_write_hanzi(4,2,6);  //发
	LCD_write_hanzi(7,2,7);  //网
				
	LCD_write_shu(1,4,23);   //n
	LCD_write_shu(2,4,11); 	 //b
	LCD_write_shu(3,4,13); 	 //d
	LCD_write_shu(4,4,25); 	 //p
	LCD_write_shu(5,4,19); 	 //j
	LCD_write_shu(6,4,45); 	 //.
	LCD_write_shu(7,4,12); 	 //c
	LCD_write_shu(8,4,24); 	 //o
	LCD_write_shu(9,4,22); 	 //m	
	
  	while(1)
  	{
     led=~ led;	
  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

 
  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();

  	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();
	delay_1ms();



  	}
}