www.pudn.com > LCD-LGM.rar > LCD-LGM.c
/******************************************************* 程序功能：LCD汉字及图形点阵显示 作者：剑影 厦门大学03级机电工程系 email:gmdengxm@163.com QQ群：22086176 ********************************************************* 接线说明： 80C51 LGM12641BS1R 和 AMPIR 128 X 64 P0.0~7 --- DB0~7 P0.0~7接74ls373 D0~7 = Q0~7 Q0---RW Q1---DI(RS) Q4 --- CS2( AMPIR 128 X 64）CS1( LGM12641BS1R) Q5--- CS1( AMPIR 128 X 64） CS2( LGM12641BS1R) !(WR&RD) ---- E ALE ---LE(74ls373) ********************************************************* AMPIR 128 X 64 命令说明 DI WR D7 D6 D5 D4 D3 D2 D1 D0 0 0 0 1 1 1 1 1 1 D *D ＝ 1时显示开 ×D ＝ 0时显示关 0 0 1 1 A A A A A A * 设定显示开始行寄存器位置 0 0 1 0 1 1 1 A A A *设定页地址 0 0 0 1 A A A A A A *设定列地址 1 0 D7 0 D5 D4 0 0 0 0 *D7为1表示LCD忙，D7＝0可以读写操作，D5 ＝ 1显示关状态，D5 ＝ 0显示开状态， *D4＝1表示正在初始化，D4＝0初始化完毕 0 1 D D D D D D D D *写入数据，列地址自动加1 1 1 D D D D D D D D *读取显示状态 ********************************************************/ #include#include typedef unsigned char uchar; typedef unsigned int uint; /****************LCD读写控制字*****************/ //左半部 #define LLCD_CMD_WR PBYTE[0x10] //写命令rs = 0 wr = 0 #define LLCD_CMD_RD PBYTE[0x11] //读命令rs = 0 wr = 1 #define LLCD_DATA_WR PBYTE[0x12] //写数据rs = 1 wr = 0 #define LLCD_DATA_RD PBYTE[0x13] //读数据rs = 1 wr = 1 //右半部 #define RLCD_CMD_WR PBYTE[0x20] //同上，为LCD右半部分的读写指令 #define RLCD_CMD_RD PBYTE[0x21] #define RLCD_DATA_WR PBYTE[0x22] #define RLCD_DATA_RD PBYTE[0x23] #define LCD_DOT_MAXX 128 //此LCD为128X64,分左右两部分,每部分64X64 #define LCD_DOT_MAXY 64 #define LCD_MAXX 8 //以16为一个单位，行上最多可显示8个单位 #define LCD_MAXY 4 //列上可以显示4个单位，整个屏幕可显示8x4 ＝32个中文字符 sbit busy = P0^7; /***************数组定义***********************/ code uchar hanzi1[] = { /*-- 文字: 厦 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0xF0,0x10,0xF0,0xB0,0xB0,0xF0,0xB0,0xB0,0xF0,0xF0,0x10,0x00,0x00, 0x00,0x10,0x0C,0x07,0x28,0x2B,0x1B,0x1F,0x1F,0x1F,0x17,0x33,0x33,0x30,0x30,0x00, /*-- 文字: 门 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0xE0,0x80,0x10,0x30,0x20,0x20,0x30,0x20,0x20,0x20,0xE0,0x00,0x00, 0x00,0x10,0x18,0x0F,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x00,0x00, /*-- 文字: 大 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x80,0xC0,0x80,0x80,0x80,0xF0,0xF0,0x80,0x80,0x80,0x80,0x00,0x00,0x00, 0x00,0x10,0x18,0x18,0x18,0x0C,0x06,0x03,0x01,0x02,0x06,0x0C,0x18,0x38,0x10,0x00, /*-- 文字: 学 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0xC0,0x40,0x70,0x40,0x40,0xF0,0x40,0x40,0x70,0x50,0x40,0xC0,0x00,0x00, 0x00,0x0C,0x05,0x04,0x24,0x25,0x25,0x36,0x1F,0x0D,0x05,0x04,0x04,0x0D,0x0C,0x04, }; code uchar hanzi2[] = { /*-- 文字: 机 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x40,0x40,0xF0,0x40,0x40,0x00,0xE0,0x20,0x20,0xE0,0x20,0x00,0x00,0x00, 0x00,0x04,0x06,0x03,0x3F,0x03,0x12,0x1C,0x0F,0x00,0x00,0x0F,0x18,0x18,0x18,0x08, /*-- 文字: 电 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x40,0xE0,0xA0,0xA0,0xA0,0xF0,0xB0,0xA0,0xA0,0xA0,0xE0,0x00,0x00,0x00,0x00, 0x00,0x00,0x07,0x06,0x06,0x02,0x0F,0x1A,0x1A,0x32,0x36,0x33,0x30,0x30,0x18,0x00, /*-- 文字: 工 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0x20,0x20,0x20,0x20,0xE0,0x60,0x20,0x20,0x20,0x20,0x00,0x00,0x00, 0x00,0x18,0x08,0x08,0x08,0x08,0x08,0x0F,0x08,0x08,0x08,0x18,0x18,0x18,0x18,0x00, /*-- 文字: 程 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0xC0,0xA0,0xA0,0xE0,0x90,0x90,0xF0,0xF0,0xA0,0xA0,0xA0,0xF0,0x00,0x00,0x00, 0x00,0x06,0x02,0x1F,0x3F,0x01,0x12,0x15,0x15,0x1F,0x1F,0x15,0x15,0x10,0x10,0x00, /*-- 文字: 系 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x20,0xA0,0xA0,0xE0,0xE0,0xA0,0xA0,0x50,0x50,0x10,0x10,0x00,0x00,0x00, 0x00,0x10,0x10,0x18,0x1A,0x2F,0x23,0x3E,0x3E,0x03,0x05,0x09,0x1A,0x18,0x10,0x00, }; code uchar hanzi3[] = { /*-- 文字: 0 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: 3 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, /*-- 文字: 机 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x40,0x40,0xF0,0x40,0x40,0x00,0xE0,0x20,0x20,0xE0,0x20,0x00,0x00,0x00, 0x00,0x04,0x06,0x03,0x3F,0x03,0x12,0x1C,0x0F,0x00,0x00,0x0F,0x18,0x18,0x18,0x08, /*-- 文字: 械 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x40,0xC0,0xF0,0x40,0x00,0x40,0xC0,0x40,0xF0,0x40,0xF0,0x40,0x00,0x00, 0x04,0x04,0x02,0x01,0x3F,0x15,0x1A,0x07,0x02,0x1F,0x0F,0x0E,0x19,0x38,0x10,0x10, }; code uchar hanzi4[] = { /*-- 文字: 剑 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x80,0x80,0xC0,0x40,0xA0,0xB0,0xB0,0xC0,0x40,0x00,0xC0,0x00,0x30,0xF0,0x00,0x00, 0x00,0x10,0x18,0x1F,0x18,0x1E,0x08,0x0E,0x08,0x10,0x13,0x30,0x38,0x1F,0x00,0x00, /*-- 文字: 影 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x00,0x00,0x70,0x50,0xD0,0x50,0x70,0x70,0x80,0x40,0x20,0x30,0x90,0x00,0x00, 0x01,0x01,0x11,0x1F,0x27,0x3E,0x07,0x0F,0x31,0x22,0x12,0x11,0x09,0x0C,0x06,0x00, /*-- 文字: 制 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x80,0x40,0x70,0x40,0xF0,0xD0,0xC0,0x40,0x00,0xE0,0x00,0x30,0xF0,0x00,0x00, 0x01,0x01,0x11,0x1F,0x03,0x3F,0x03,0x06,0x1E,0x10,0x17,0x30,0x38,0x1F,0x00,0x00, /*-- 文字: 作 --*/ /*-- 隶书12; 此字体下对应的点阵为：宽x高=16x16 --*/ 0x00,0x60,0x60,0xE0,0xE0,0x90,0x40,0x60,0x30,0xF0,0x60,0x60,0x60,0x40,0x40,0x00, 0x00,0x00,0x00,0x1F,0x1F,0x00,0x00,0x00,0x00,0x3F,0x05,0x05,0x05,0x05,0x04,0x00, }; code uchar bmp[] = { /*-- 宽度x高度=32x32 --*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x80,0xC0,0xC0,0xE0,0xF0,0x30,0x18,0x04,0x02,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x80,0x80,0xC0,0xC0,0xE0,0xF0,0xF0,0xF0,0xF8,0xF8,0xFC,0xFC, 0xFE,0xFE,0xFF,0xFF,0xFF,0xFF,0x1F,0x0F,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x70,0xFC,0xFE,0xFF,0x7F,0x3B,0x71,0x7B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xE7,0x87,0x07,0x0F,0x0F,0x07,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x0F,0x0B,0x01,0x00,0x00,0x00,0x00,0x00,0x03,0x07,0x0E,0x18,0x01,0x03, 0x07,0x0F,0x0F,0x1C,0x18,0x30,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, }; /***************变量定义***********************/ uchar x,y; struct cursortype { uchar x,y,side; }cousor; /***************函数定义***********************/ void lcd_cmd_wr(uchar cmdcode, uchar right); //写命令 void lcd_data_wr(uchar ldata, uchar right); //写数据 void lcd_busy_rd(uchar right); //读状态 void chk_busy(uchar right); void lcd_hanzi_wr(uchar posx,uchar posy,uchar *hanzi); void lcd_str_wr(uchar row,uchar col,uchar n,uchar *str); void lcd_bmp_wr(uchar posx,uchar posy,uchar wth,uchar hgh,uchar *bmp); void lcd_rol(); void lcd_init(); void delay(uint nms); //延时 n ms /****************主函数***********************/ void main() { lcd_init(); lcd_str_wr(0,1,4,hanzi1); delay(100); lcd_str_wr(1,1,5,hanzi2); delay(100); lcd_str_wr(2,1,4,hanzi3); delay(100); lcd_str_wr(3,1,4,hanzi4); delay(100); lcd_bmp_wr(0,0x60,32,32,bmp); delay(100); while(1) { lcd_rol(); delay(1000); } } /****************子函数***********************/ void lcd_cmd_wr(uchar cmdcode, uchar right) //写指令 { chk_busy(right); //检查是否忙???? if(right == 1) //如果right ＝ 1，则对右半部进行读写 { RLCD_CMD_WR = cmdcode; } else //否则写左半部LCD { LLCD_CMD_WR = cmdcode; } } void lcd_data_wr(uchar ldata, uchar right) //对LCD进行数据读写， { chk_busy(right); //检测LCD忙, (对右面的检测???) if(right == 1) { RLCD_DATA_WR = ldata; } else { LLCD_DATA_WR = ldata; } } void lcd_busy_rd(uchar right) { if( right == 1) { RLCD_CMD_RD; // 输出命令!!!!! } else { LLCD_CMD_RD; } } //这个函数调和完后LCD就一定不忙的 void chk_busy(uchar right) //检测LCD忙,right = 1 为右半部， { lcd_busy_rd(right); //right = 0为左半部，遇忙等待 while(busy); //输出命令后,要等待???好方法 } void delay(uint nms) //延时程序 { uint i; for(; nms > 0; nms--) for(i = 0; i < 500; i++); } void lcd_init() //LCD初始化 { uint k; lcd_cmd_wr(0x3e+1,0); //左半部显示开 lcd_cmd_wr(0xc0+0,0); //左半部顶行为第0行 lcd_cmd_wr(0xb8+0,0); //设定左半部页地址 lcd_cmd_wr(0x40+0,0); //设定左半部列地址 lcd_cmd_wr(0x3e+1,1); //右半部显示开 lcd_cmd_wr(0xc0+0,1); //右半部顶行设定为第0行 lcd_cmd_wr(0x40+0,1); //设定列地址 lcd_cmd_wr(0xb8+0,1); //设定页地址 for(k = 0; k < 256; k++) //LCD屏初始化 { lcd_data_wr(0x00,0); lcd_data_wr(0x00,1); } lcd_cmd_wr(0xb8+4,0); lcd_cmd_wr(0x40+0,0); lcd_cmd_wr(0xb8+4,1); lcd_cmd_wr(0x40+0,1); for(k = 0; k < 256; k++) { lcd_data_wr(0x00,0); lcd_data_wr(0x00,1); } } void lcd_hanzi_wr1(uchar posx,uchar posy,uchar * hanzi) //对LCD在指定位置写入单个汉字 { uchar i; if(posy < 4) //posy < 4 在左半部写 { lcd_cmd_wr(0xb8+2*posx,0); lcd_cmd_wr(0x40+16*posy,0); for(i = 0; i < 16; i++) { lcd_data_wr(hanzi[2*i],0); } lcd_cmd_wr(0xb8+2*posx+1,0); lcd_cmd_wr(0x40+16*posy,0); for(i = 0; i < 16; i++) { lcd_data_wr(hanzi[2*i+1],0); } } else //否则在右半部写 { lcd_cmd_wr(0xb8+posx*2,1); lcd_cmd_wr(0x40+16*(posy-4),1); for(i = 0; i < 16; i++) { lcd_data_wr(hanzi[2*i],1); } lcd_cmd_wr(0xb8+2*posx+1,1); lcd_cmd_wr(0x40+16*(posy-4),1); for(i = 0; i < 16; i++) { lcd_data_wr(hanzi[2*i+1],1); } } } void lcd_hanzi_wr(uchar posx,uchar posy,uchar * hanzi) //对LCD在指定位置写入单个汉字 { uchar i; if(posy < 4) //posy < 4 在左半部写 { lcd_cmd_wr(0xb8+2*posx,0); lcd_cmd_wr(0x40+16*posy,0); for(i = 0; i < 16; i++) { lcd_data_wr(hanzi[i],0); } lcd_cmd_wr(0xb8+2*posx+1,0); lcd_cmd_wr(0x40+16*posy,0); for(i = 16; i < 32; i++) { lcd_data_wr(hanzi[i],0); } } else //否则在右半部写 { lcd_cmd_wr(0xb8+posx*2,1); lcd_cmd_wr(0x40+16*(posy-4),1); for(i = 0; i < 16; i++) { lcd_data_wr(hanzi[i],1); } lcd_cmd_wr(0xb8+2*posx+1,1); lcd_cmd_wr(0x40+16*(posy-4),1); for(i = 16; i < 32; i++) { lcd_data_wr(hanzi[i],1); } } } void lcd_str_wr(uchar row,uchar col,uchar n,uchar *str) { uchar i; for(i = 0 ; i < n; i++) { if( col > 7) { row++; col = col - 8; } lcd_hanzi_wr(row,col,str+i*32); col++; } } void lcd_bmp_wr(uchar posx,uchar posy,uchar wth,uchar hgh,uchar *bmp) //posx 取值为0~3,posy = 0~128,宽wth和高hgh必须为8的倍数 { uchar i,j; //这里行posx如果不取8的倍数，则要另外算 hgh =hgh/8; for(i = 0; i < hgh; i++) { if(posy < 64) // { lcd_cmd_wr(0xb8+posx+i,0); lcd_cmd_wr(0x40+posy,0); for(j = 0; j < wth;j++) { lcd_data_wr(bmp[32*i+j],0); } } else { lcd_cmd_wr(0xb8+posx+i,1); lcd_cmd_wr(0x40+posy-64,1); for(j = 0; j < wth; j++) { lcd_data_wr(bmp[32*i+j],1); } } } } void lcd_rol() //向上滚屏 { uchar i; for(i = 0; i < 64; i++) { lcd_cmd_wr(0xc0+i,0); lcd_cmd_wr(0xc0+i,1); delay(10); } }