1、完整地NOKIA5110液晶51单片机驱动程序/* Nokia 5110驱动*说明:本驱动适用于51单片机(5V或3.3V),液晶的VCC接5V或3.3V 修改偏置电压可改变5110点阵显示的亮度 5110接5V时偏置电压改为(0xa7,0),接3.3V时改为(0xc0,0)*作者:JK*创建日期:2013/1/26*修改日期:*/#include #include font.h#define uint unsigned int#define uchar unsigned char/* IO口定义区*/sbit LCD_RST = P00;sbit LCD_CE = P01;sbit LCD_
2、DC = P02;sbit LCD_DIN = P03;sbit LCD_CLK = P04;/* 函数声明区*/void LCD_Init(void);void LCD_WriteByte(unsigned char dat, unsigned char command);void LCD_Set_XY(unsigned char X, unsigned char Y);void LCD_Clear(void);void LCD_WriteChar(unsigned char x,unsigned char y,unsigned char c);void LCD_WriteString(un
3、signed char X,unsigned char Y,char *s);void LCD_WriteNum(unsigned char X,unsigned char Y,unsigned int num);void LCD_Write_12X16Font(unsigned char x,unsigned char y,unsigned char c2);void LCD_DrawPicture(unsigned char X,unsigned char Y,unsigned char const *map, unsigned char Pix_x,unsigned char Pix_y
4、);/* *函数名:LCD_Init*功能:初始化LCD*参数:无 *返回值:无*备 注: */void LCD_Init(void) unsigned char i; LCD_RST=0; /复位 for(i=0;i150;i+); LCD_RST=1; LCD_WriteByte(0x21, 0); / 使用扩展命令设置LCD模式 LCD_WriteByte(0xc0, 0); / 设置偏置电压,修改可改变5110点阵显示的亮度 /*5110接5V时偏置电压改为(0xa7,0),接3.3V时改为(0xc0,0)*/ LCD_WriteByte(0x20, 0); / 使用基本命令。并设置V
5、=0,水平寻址 LCD_Clear(); / 清屏 LCD_WriteByte(0x0c, 0); / 设定显示模式,正常显示(普通显示) LCD_CE=0; /* *函数名:LCD_WriteByte*功能:模拟SPI接口时序写数据/命令LCD*参数:data :写入的数据; command :写数据(1)/命令选择(0);*返回值:无*备 注: */void LCD_WriteByte(unsigned char dat, unsigned char command) unsigned char i; LCD_CE=0; /5110片选有效,允许输入数据 if (command = 0)
6、/写命令 LCD_DC=0; else LCD_DC=1; /写数据 for(i=0;i8;i+) /传送8bit数据 if(dat&0x80) LCD_DIN=1; else LCD_DIN=0; LCD_CLK=0; dat = dat 1; LCD_CLK=1; LCD_CE=1; /禁止5110/* *函数名:LCD_Set_XY*功能: 设置LCD坐标 *参数: X:0-83 Y:0-5 *返回值:无*备 注: */void LCD_Set_XY(unsigned char X, unsigned char Y) LCD_WriteByte(0x40 | Y, 0);/ column
7、 列 LCD_WriteByte(0x80 | X, 0);/ row 行 /* *函数名:LCD_Clear*功能: LCD清屏函数 *参数:无 *返回值:无*备 注: */void LCD_Clear(void) unsigned char t; unsigned char k; LCD_Set_XY(0, 0);/设置RAM起始地址 for(t=0;t6;t+) for(k=0;k84;k+) LCD_WriteByte(0x00,1); /* *函数名:LCD_WriteChar*功能: LCD写一个6X8的字符 *参数:c *返回值:无备 注: */void LCD_WriteCha
8、r(unsigned char x,unsigned char y,unsigned char c) unsigned char i; c -= 32; /数组的行号 LCD_Set_XY(x,y); for(i=0; i12; i+) LCD_WriteByte(font6x12ci, 1); if(i=5) y+; LCD_Set_XY(x,y); /* *函数名:LCD_WriteString*功能: LCD写6X8的字符串 *参数:X , Y , S *返回值:无备 注: */void LCD_WriteString(unsigned char X,unsigned char Y,ch
9、ar *s) while(*s) LCD_WriteChar(X,Y,*s); s+; X += 6; /*函数名:LCD_WriteNum(unsigned int num)*功能:写入数字*参数:num *返回值:无*/void LCD_WriteNum(unsigned char X,unsigned char Y,unsigned int num) unsigned char str8,i=0,len=0; unsigned int temp; temp = num; while(temp) temp /=10; len+; if(!num) len+; str0=0x30; strl
10、en = 0; while(num) strlen-i-1 = num%10 + 0x30; num /=10; i+; LCD_WriteString(X,Y,(char *)str);/* *函数名:LCD_Write_16X16Font*功能: 写一个16X16的汉字 *参数:x , y , c2 x:0-83 y:0-5 *返回值:无*备 注: */void LCD_Write_12X16Font(unsigned char x,unsigned char y,unsigned char c2) unsigned char i,k; LCD_Set_XY(x,y); for(k=0;
11、k25; k+) /K的值表示汉字库最多存放的字的数量(可改大) if(font12x16k.Index0=c0)&(font12x16k.Index1=c1) for(i=0; i24; i+) LCD_WriteByte(font12x16k.Mski, 1); if(i=11) y+; LCD_Set_XY(x,y); /* *函数名:LCD_DrawPicture*功能: 绘图 *参数: X、Y :位图绘制的起始X、Y坐标; *map :位图点阵数据; Pix_x :位图像素(长) =84 Pix_y :位图像素(宽) =48 *返回值:无*备 注: */void LCD_DrawPi
12、cture(unsigned char X,unsigned char Y,unsigned char const *map, unsigned char Pix_x,unsigned char Pix_y) unsigned int i,n; unsigned char row; /计算位图所占行数 if (Pix_y%8=0) /如果为位图所占行数为整数 row=Pix_y/8; else row=Pix_y/8+1; /如果为位图所占行数不是整数 LCD_Set_XY(X,Y); for (n=0;nrow;n+) /换行 for(i=0;iPix_x;i+) LCD_Set_XY(X+
13、i,Y+n); LCD_WriteByte(mapi+n*Pix_x, 1); /* -main函数-*函数名:主函数*备 注: */void main() LCD_Init(); while(1) LCD_WriteNum(0,0,123); / 写入数字 int型的 LCD_WriteNum(18,0,7); / 写入数字 int型的 LCD_WriteNum(24,0,9); LCD_WriteChar(48,0,I);/ 写一个6X8的字符 LCD_WriteChar(54,0,J); LCD_WriteChar(60,0,K); LCD_WriteString(0,2,jhf); /
14、写6X8的字符串 LCD_DrawPicture(32,2,gImage_1,16,16); /绘图 LCD_Write_12X16Font(12,4,我); /写一个16X16的汉字 LCD_Write_12X16Font(24,4,是); LCD_Write_12X16Font(36,4,中); LCD_Write_12X16Font(48,4,国); LCD_Write_12X16Font(60,4,银); / 以下是 font.h 的内容 /* *说明:该font.h 文件中包含的是5110显示所用的ASCII、部分汉字、 及图片字模。取模软件使用“PCtoLCD2002”,取模方式选
15、项: 阴码、逆向、列行式、十六进制数。汉字取模:宽12 、高 12*/ 6 x 8 font/ 1 pixel space at left and bottom/ index = ASCII - 32 code unsigned char font6x1212 =/*- 文字: -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: ! -*/*- 宋体9; 此字体下对应的点阵为:宽x高
16、=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,/*- 文字: -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x0C,0x02,0x0C,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: # -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=
17、6x16 -*/0x90,0xD0,0xBC,0xD0,0xBC,0x90,0x00,0x03,0x00,0x03,0x00,0x00,/*- 文字: $ -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x18,0x24,0xFE,0x44,0x8C,0x00,0x03,0x02,0x07,0x02,0x01,0x00,/*- 文字: % -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x18,0x24,0xD8,0xB0,0x
18、4C,0x80,0x00,0x03,0x00,0x01,0x02,0x01,/*- 文字: & -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0xC0,0x38,0xE4,0x38,0xE0,0x00,0x01,0x02,0x02,0x01,0x02,0x02,/*- 文字: -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x08,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
19、,0x00,/*- 文字: ( -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x00,0x00,0xF8,0x04,0x02,0x00,0x00,0x00,0x01,0x02,0x04,/*- 文字: ) -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x02,0x04,0xF8,0x00,0x00,0x00,0x04,0x02,0x01,0x00,0x00,/*- 文字: * -*/*- 宋体9; 此字体
20、下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x90,0x60,0xF8,0x60,0x90,0x00,0x00,0x00,0x01,0x00,0x00,0x00,/*- 文字: + -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x20,0x20,0xFC,0x20,0x20,0x00,0x00,0x00,0x01,0x00,0x00,0x00,/*- 文字: , -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍
21、数,现调整为:宽度x高度=6x16 -*/0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x06,0x00,0x00,0x00,0x00,/*- 文字: - -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x20,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*- 文字: . -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x00
22、,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x00,/*- 文字: / -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x80,0x60,0x1C,0x02,0x00,0x04,0x03,0x00,0x00,0x00,0x00,/*- 文字: 0 -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0xF8,0x04,0x04,0x04,0xF8,0x00,0x01,0x02
23、,0x02,0x02,0x01,0x00,/*- 文字: 1 -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x00,0x08,0xFC,0x00,0x00,0x00,0x00,0x02,0x03,0x02,0x00,0x00,/*- 文字: 2 -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -*/*- 高度不是8的倍数,现调整为:宽度x高度=6x16 -*/0x18,0x84,0x44,0x24,0x18,0x00,0x03,0x02,0x02,0x02,0x02,0x00,/*- 文字: 3 -*/*- 宋体9; 此字体下对应的点阵为:宽x高=6x12 -
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