PIC单片机C程序实例

[MCD-DEMO2]PIC单片机12864汉字液晶模块显示图象实例[PIC16F877A+PICC]//实验目的：熟悉12864LCD的使用 //12864LCD带中文字库 //编程让12864LCD显示一幅毛主席头像 //硬件设置： //关断所有拨码开关。 #include<pic.h> __CONFIG(0x1832); //芯片配置字，看门狗关，上电延时开，掉电检测关，低压编程关，加密，4M晶体HS振荡 #define rs RA5 //命令/数据选择 #define rw RA4 //读/写选择 #define e RA3 //使能 #define psb RA2 //8位/4位并口选择 #define rst RA0 //复位 #define nop() asm("nop") const unsigned char TAB1[ ]={ //定义显示图片的数据表 0X1F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,0X00, 0X18,0XFC,0XB7,0X80,0X00,0X00,0X00,0X00,0X00,0X00,0X03,0XFF,0XFF,0XE0,0X00,0X00, 0X1E,0X7F,0X0C,0X00,0X00,0X07,0XFF,0XFF,0X80,0X00,0X0F,0XF8,0X7F,0XE0,0X03,0XC0, 0X1F,0XE7,0X80,0X00,0X00,0X7F,0XFF,0XFF,0XC0,0X00,0X7F,0XE1,0XFF,0XE0,0X0C,0X60, 0X1F,0X9B,0XE0,0X00,0X01,0XFF,0XFF,0XFF,0XF0,0X01,0X80,0X07,0XFF,0XE0,0X0C,0X60, 0X1F,0XCF,0XE0,0X00,0X1F,0XFF,0XFF,0XFF,0XF8,0X01,0X00,0X1F,0XFF,0XE0,0X0C,0X60, 0X13,0XE4,0XF0,0X00,0X7F,0XFF,0XFF,0XFF,0XFE,0X00,0X00,0XFF,0X0E,0X20,0X0C,0X60, 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0X1F,0XC7,0X8C,0X00,0X1E,0X00,0X00,0X7F,0XE7,0X00,0X03,0X85,0X1B,0XE0,0X0C,0X60, 0X1F,0X0F,0X39,0X20,0X07,0X00,0X01,0XFF,0XCF,0X00,0X01,0XC3,0XCD,0XE0,0X0D,0X60, 0X1E,0X3E,0X73,0X40,0X03,0X80,0X0F,0XFF,0X9F,0X80,0X00,0XF1,0XF0,0X60,0X0D,0X60, 0X18,0X7C,0XF6,0X20,0X01,0XE0,0X3F,0XFE,0X3F,0XE0,0X00,0X78,0XFE,0X60,0X0C,0X60, 0X11,0XFB,0XE6,0X40,0X01,0XFF,0XFF,0XFC,0X7F,0XFC,0X08,0X3C,0X7F,0XE0,0X0C,0X60, 0X1F,0XF7,0XFE,0X40,0X02,0XFF,0XFF,0XF9,0XFF,0XFF,0X00,0X0F,0X3F,0XE0,0X06,0XC0, 0X1F,0XFF,0XFC,0X88,0X06,0XFF,0XFD,0XF3,0XFF,0XFF,0XC1,0X8F,0X9F,0XE0,0X03,0X80, 0X1F,0XFF,0XB9,0X38,0X0E,0XFE,0X71,0XE7,0XFF,0XFF,0XE8,0XC3,0XEF,0XE0,0X00,0X00, 0X0F,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XFF,0XC0,0X00,0X00, }; unsigned int lcd_x; //X地址 unsigned int lcd_y; //Y地址 bit busy; //忙标志位 void init(); //系统初始函数 void lcd_init(); //LCD初始函数 void clear_p(); //清屏函数 void han_wr2a(); //写函数 void wr_zb(); //写准备函数 void qushu(); //查表函数 void send_d(unsigned char x); //写一字节数据函数 void send_i(unsigned char x); //写一字节命令函数 void chk_busy(); //查LCD忙函数 void delay(); //------------------------------------------- void main() { init(); //系统初始化 lcd_init(); //LCD初始化 clear_p(); //清除显示 han_wr2a(); //写数据到LCD显示 while(1); //停机 } //------------------------------------------- void init() { TRISA=0X00; //设置A口为输出 TRISD=0X00; //设置D口为输出 ADCON1=0X06; //设置A口为普通IO口 } //------------------------------------------- void lcd_init() { rst=0; //复位LCD delay(); rst=1; //LCD正常工作 nop(); psb=1; //8位并行通信 send_i(0x30); //基本操作指令 send_i(0x01); //关显示 send_i(0x06); //指定在写入或读取时，光标的移动方向 send_i(0x0c); //开显示，关光标，不闪烁 } //------------------------------------------- void han_wr2a() { qushu(); //查表取数送显示 } //------------------------------------------- void wr_zb() { send_i(0x34); //扩展操作指令 send_i(lcd_y);