mcu.rar_单片机点阵

#include <at89x52.h> #include <Intrins.h> sbit hc138_a=P2^0; sbit hc138_b=P2^1; sbit hc138_c=P2^2; sbit u8_e=P2^3; sbit u9_e=P2^4; sbit u10_e=P2^6; sbit sce=P0^4; //片选 sbit res=P2^7; //复位,0复位 sbit dc=P0^5; //1写数据，0写指令 sbit sdin=P0^6; //数据 sbit sclk=P0^7; //时钟 unsigned char code hanzi[]={ /*-- 文字: 宁 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x90,0x8C,0x84,0x84,0x84,0x85,0x86,0x84,0x84,0x84,0x84,0x94,0x8E,0x04,0x00, 0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: 波 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x10,0x60,0x01,0xE6,0x00,0xF8,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x18,0x08,0x00, 0x04,0x04,0xFF,0x40,0x30,0x8F,0x80,0x41,0x26,0x18,0x18,0x26,0x61,0xC0,0x40,0x00, /*-- 文字: 单 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0xF8,0x28,0x29,0x2E,0x2A,0xF8,0x28,0x2C,0x2B,0x2A,0xF8,0x00,0x00,0x00, 0x08,0x08,0x0B,0x09,0x09,0x09,0x09,0xFF,0x09,0x09,0x09,0x09,0x0B,0x08,0x08,0x00, /*-- 文字: 片 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0xFE,0x10,0x10,0x10,0x10,0x10,0x1F,0x10,0x10,0x10,0x18,0x10,0x00, 0x80,0x40,0x30,0x0F,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xFF,0x00,0x00,0x00,0x00, /*-- 文字: 机 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x08,0x08,0xC8,0xFF,0x48,0x88,0x08,0x00,0xFE,0x02,0x02,0x02,0xFE,0x00,0x00,0x00, 0x04,0x03,0x00,0xFF,0x00,0x41,0x30,0x0C,0x03,0x00,0x00,0x00,0x3F,0x40,0x78,0x00, /*-- 文字: 开 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x40,0x42,0x42,0x42,0x42,0xFE,0x42,0x42,0x42,0x42,0xFE,0x42,0x42,0x42,0x42,0x00, 0x00,0x40,0x20,0x10,0x0C,0x03,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00, /*-- 文字: 发 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x10,0x3E,0x10,0x10,0xF0,0x9F,0x90,0x90,0x92,0x94,0x1C,0x10,0x10,0x10,0x00, 0x40,0x20,0x10,0x88,0x87,0x41,0x46,0x28,0x10,0x28,0x27,0x40,0xC0,0x40,0x00,0x00, /*-- 文字: 网 --*/ /*-- Trebuchet MS12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0xFE,0x02,0x12,0x22,0xC2,0x22,0x1A,0x22,0x42,0x82,0x72,0x22,0xFE,0x00,0x00, 0x00,0x7F,0x08,0x04,0x03,0x00,0x03,0x0C,0x04,0x02,0x01,0x26,0x60,0x3F,0x00,0x00, }; //--------------------------------------- //名称: 74HC138选择函数 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100401 //----------------------------------------- void select_hc138(unsigned char con) { con&=0x03; u8_e=0; u9_e=0; u10_e=0; switch(con) { case 0: //关闭U8,U9,U10 break; case 1: //打开U8,关闭U9,U10 u8_e=1; break; case 2: //打开U9,关闭U8,U10 u9_e=1; break; case 3: //打开U10,关闭U8,U9 u10_e=1; break; } } //--------------------------------------- //名称: 使用SPI接口写数据到LCD //参数：dt：写入的数据 command: 1-数据/0-命令 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100501 //----------------------------------------- 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>>i)) sdin=1; else sdin=0; sclk=0; sclk=1; } dc=1; sce=1; sdin=1; } //--------------------------------------- //名称: 5110LCD初始化函数 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100501 //----------------------------------------- void LCD_init(void) { unsigned char k; res=0; for(k=0;k<250;k++); res=1; //LCD复位 LCD_write_byte(0x21,0);//LCD功能设置：芯片活动，水平寻址，使用扩展指令 LCD_write_byte(0xC0,0);//设置VOP值,调整液晶的对比度，需要改变此参数 LCD_write_byte(0x20,0);//LCD功能设置：芯片活动，水平寻址，使用基本指令 LCD_write_byte(0x0C,0);//设定显示配置:普通模式 } //--------------------------------------- //名称: LCD清屏函数 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100501 //----------------------------------------- void LCD_clear(void) { unsigned char t; unsigned char k; for(t=0;t<6;t++) { for(k=0;k<84;k++) { LCD_write_byte(0,1); } } } //--------------------------------------- //名称: 设置坐标函数 //参数：X：0－83 Y：0－5 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100501 //----------------------------------------- void LCD_set_XY(unsigned char X, unsigned char Y) { LCD_write_byte(0x40 | Y, 0); LCD_write_byte(0x80 | X, 0); } //--------------------------------------- //名称: 写一个汉字到LCD函数 //参数：row,page：写入汉字的地址 c: 写入汉字在han表格中的位置 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100501 //----------------------------------------- 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); } } //--------------------------------------- //名称: 主函数 //作者：cby //网站：宁波单片机开发网 //网址：www.nbdpj.com //邮箱：[email protected] //日期：20100501 //----------------------------------------- void main() { select_hc138(0); //关闭U8,U9,U10 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 while(1) { } }