开发工具:
文件大小: 20kb
下载次数: 0
上传时间: 2013-12-03
详细说明： #include #include #define uchar unsigned char #define uint unsigned int /************* 12864LCD引脚定义 *************/ #define LCD_data P0 //数据口 sbit LCD_RS = P2^0; //寄存器选择输入 sbit LCD_RW = P2^1; //液晶读/写控制 sbit LCD_EN = P2^2; //液晶使能控制 sbit LCD_PSB = P2^3; //串/并方式控制 sbit LCD_RST = P2^5; //液晶复位端口 #define delayNOP(); {_nop_();_nop_();_nop_();_nop_();}; /*********************************************************/ uchar code DIS1[] = {" 伟纳电子 &quo t;}; uchar code DIS2[] = {" ME500开发系统 "}; uchar code DIS3[] = {" www.willar.com "}; uchar code DIS4[] = {"TEL:077584867757"}; /*********************************************************/ uchar code Photo1[] ={ //伟纳电子 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01, 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/******************************************************************************/ uchar code Photo2[] ={ //海豚戏水 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x7F,0x00,0x00,0x00,0x03,0xFE,0x00,0x00,0x00,0x00,0x02,0x00,0x76,0x00,0x00, 0x00,0xC3,0xFF,0x00,0x00,0x3F,0xE7,0xE0,0x00,0x00,0x00,0x03,0x00,0xFF,0x80,0x00, 0x00,0x81,0xFF,0xFE,0x00,0x7C,0x03,0xF0,0x00,0x00,0x00,0x01,0xF7,0xCB,0xF8,0x00, 0x01,0x83,0xF8,0x7B,0x00,0x40,0x00,0x30,0x00,0x00,0x00,0x00,0x3F,0xC0,0xF8,0x00, 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0xFF,0xE0,0x1F,0x73,0xE0,0x00,0xFF,0xE0,0x00,0x1F,0xFF,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x07,0xE1,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x0F,0x80,0x00,0xE1,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x7F,0xE0,0x00,0x07,0x9E,0x00,0x7F,0xC0,0x60,0x0F,0xC0,0x0F,0x00,0x00,0x00, 0x00,0xE0,0x7C,0x00,0x03,0xF7,0xC7,0xE0,0xFF,0xE0,0x3F,0xFF,0xFC,0x00,0x00,0x00, 0x01,0xC0,0x0F,0x00,0x03,0xBD,0xFE,0xFC,0x00,0x00,0xF0,0x1F,0xF0,0x00,0xC6,0x00, }; /*******************************************************************/ /* */ /* 延时函数 */ /* */ /*******************************************************************/ void delay(int ms) { while(ms--) { uchar i; for(i=0;i<250;i++) { _nop_(); _nop_(); _nop_(); _nop_(); } } } /*******************************************************************/ /* */ /* 延时函数 */ /* */ /*******************************************************************/ void delay1(int ms) { while(ms--) { uchar y; for(y=0;y<100;y++) ; } } /*******************************************************************/ /* */ /*检查LCD忙状态 */ /*lcd_busy为1时，忙，等待。lcd-busy为0时,闲，可写指令与数据。 */ /* */ /*******************************************************************/ bit lcd_busy() { bit result; LCD_RS = 0; LCD_RW = 1; LCD_EN = 1; delayNOP(); result = (bit)(P0&0x80); LCD_EN = 0; return(result); } /*******************************************************************/ /* */ /*写指令数据到LCD */ /*RS=L，RW=L，E=高脉冲，D0-D7=指令码。 */ /* */ /*******************************************************************/ void lcd_wcmd(uchar cmd) { while(lcd_busy()); LCD_RS = 0; LCD_RW = 0; LCD_EN = 0; _nop_(); _nop_(); P0 = cmd; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; } /*******************************************************************/ /* */ /*写显示数据到LCD */ /*RS=H，RW=L，E=高脉冲，D0-D7=数据。 */ /* */ /*******************************************************************/ void lcd_wdat(uchar dat) { while(lcd_busy()); LCD_RS = 1; LCD_RW = 0; LCD_EN = 0; P0 = dat; delayNOP(); LCD_EN = 1; delayNOP(); LCD_EN = 0; } /*******************************************************************/ /* */ /* LCD初始化设定 */ /* */ /*******************************************************************/ void lcd_init() { LCD_PSB = 1; //并口方式 LCD_RST = 0; //液晶复位 delay(3); LCD_RST = 1; delay(3); lcd_wcmd(0x34); //扩充指令操作 delay(5); lcd_wcmd(0x30); //基本指令操作 delay(5); lcd_wcmd(0x0C); //显示开，关光标 delay(5); lcd_wcmd(0x01); //清除LCD的显示内容 delay(5); } /*********************************************************/ /* */ /* 设定显示位置 */ /* */ /*********************************************************/ void lcd_pos(uchar X,uchar Y) { uchar pos; if (X==1) {X=0x80;} else if (X==2) {X=0x90;} else if (X==3) {X=0x88;} else if (X==4) {X=0x98;} pos = X+Y ; lcd_wcmd(pos); //显示地址 } /********************************************************* * * * 闪烁函数 * * * *********************************************************/ void lcdflag() { lcd_wcmd(0x08); delay(400); lcd_wcmd(0x0c); delay(400); lcd_wcmd(0x08); delay(400); lcd_wcmd(0x0c); delay(400); lcd_wcmd(0x08); delay(200); lcd_wcmd(0x0c); delay(5); lcd_wcmd(0x01); delay(5); } /********************************************************* * * * 图形显示 * * * *********************************************************/ void photodisplay(uchar *bmp) { uchar i,j; lcd_wcmd(0x34); //写数据时,关闭图形显示 for(i=0;i<32;i++) { lcd_wcmd(0x80+i); //先写入水平坐标值 lcd_wcmd(0x80); //写入垂直坐标值 for(j=0;j<16;j++) //再写入两个8位元的数据 lcd_wdat(*bmp++); delay1(1); } for(i=0;i<32;i++) { lcd_wcmd(0x80+i); lcd_wcmd(0x88); for(j=0;j<16;j++) lcd_wdat(*bmp++); delay1(1); } lcd_wcmd(0x36); //写完数据,开图形显示 } /********************************************************* * * * 清屏函数 * * * *********************************************************/ void clr_screen() { lcd_wcmd(0x34); //扩充指令操作 delay(5); lcd_wcmd(0x30); //基本指令操作 delay(5); lcd_wcmd(0x01); //清屏 delay(5); } /********************************************************** ; 显示字符表代码 **********************************************************/ void bytecode() { uchar s; clr_screen(); //清屏 lcd_wcmd(0x80); //设置显示位置为第一行 for(s=0;s<16;s++) { lcd_wdat(0x30+s); } lcd_wcmd(0x90); //设置显示位置为第二行 for(s=0;s<16;s++) { lcd_wdat(0x40+s); } lcd_wcmd(0x88); //设置显示位置为第三行 for(s=0;s<16;s++) { lcd_wdat(0x50+s); } lcd_wcmd(0x98); //设置显示位置为第四行 for(s=0;s<16;s++) { lcd_wdat(0x60+s); } } /********************************************************* * * * 主函数 * * * *********************************************************/ void main() { uchar i; delay(100); //上电，等待稳定 lcd_init(); //初始化LCD while(1) { lcd_pos(1,0); //设置显示位置为第一行 for(i=0;i<16;i++) { lcd_wdat(DIS1[i]); delay(30); } lcd_pos(2,0); //设置显示位置为第二行 for(i=0;i<16;i++) { lcd_wdat(DIS2[i]); delay(30); } lcd_pos(3,0); //设置显示位置为第三行 for(i=0;i<16;i++) { lcd_wdat(DIS3[i]); delay(30); } lcd_pos(4,0); //设置显示位置为第四行 for(i=0;i<16;i++) { lcd_wdat(DIS4[i]); delay(30); } delay(1000); lcdflag(); clr_screen(); //清屏 photodisplay(Photo1); //显示图片1 delay(2000); clr_screen(); //清屏 photodisplay(Photo2); //显示图片2 delay(2000); bytecode(); //显示字符表代码 delay(2000); clr_screen(); } } /*********************************************************/ ...展开收缩
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