【2017年整理】诺基亚5110显示屏51单片机驱动程序2.doc

诺基亚5110显示屏51单片机驱动程序 #include stc.h#include intrins.h //_nop_();延时函数用#include dmb.h //字符代码表#define uchar unsigned char#define uint unsigned int sbit sce = P3^4; //片选sbit res = P0^0; //复位,0复位sbit dc = P3^5; //1写数据，0写指令sbit sdin = P3^7; //数据sbit sclk = P3^6; //时钟uint data temp_data[2]={0x00,0x00}; //读出温度暂放//================18b20数据口定义===============sbit DQ=P0^0; //温度输入口uint h;uint temp;unsigned char presence,flash=0;/*****************延时函数*************************/void delay(uint t){for (;t0;t--);}//================延时函数=====================void delay_1ms(void)//1ms延时函数{unsigned int i;for (i=0;i500;i++);} /*lcd显示函数开始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*/void LCD_write_byte(unsigned char dt, unsigned char command){unsigned char i;sce=0;dc=command;for(i=0;i8;i++){ if(dt0x80) sdin=1; else sdin=0; dt=dt1;  sclk=0;  sclk=1;}dc=1;sce=1;sdin=1;}/*LCD_init: 5110LCD初始化编写日期 */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*/void LCD_set_XY(unsigned char X, unsigned char Y){LCD_write_byte(0x40 | Y, 0);// columnLCD_write_byte(0x80 | X, 0);// row}/*LCD_clear: LCD清屏函数编写日期*/void LCD_clear(void){unsigned char t;unsigned char k;LCD_set_XY(0,0);for(t=0;t6;t++){ for(k=0;k84;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*/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; i8;i++){LCD_write_byte(shuzi[c*16+i],1);}  LCD_set_XY(row*8,