PIC16F877A与液晶显示器24064（T6963内核）C程序zhuan

star

/****************************************************************************/ //*Filename:lcd.c */ */ /*Programmer:资道周 */ /*Creat Time:2006-3-14 11:30 */ /*Modify Time:2006-3-14 11:30 */ /*Description:This is a test for LCD */ /* 硬件连接关系: */ /* MCU(PIC16F877A) LCD(24064,T6963) */ /* RA0------------------------WR */ /* RA1------------------------RD */ /* RA2------------------------CD */ /* RB0------------------------D0 */ /* RB1------------------------D1 */ /* RB2------------------------D2 */ /* RB3------------------------D3 */ /* RB4------------------------D4 */ /* RB5------------------------D5 */ /* RB6------------------------D6 */ /* RB7------------------------D7 */ /* CE-----------------GND */ /* 程序显示内容:在液晶屏坐标(4,2)开始负向显示"THIS IS A TEST!". */ /* 在液晶屏坐标(4,3)开始闪烁显示"THIS IS A TEST!". */ /* 在液晶屏坐标(19,3)开始负向闪烁显示汉字"资道周" */ /* 在液晶屏坐标(19,5)开始正向显示汉字"资道周" */ /* */ /* */ /****************************************************************************/ #include<pic.h> #define uchar unsigned char #define uint unsigned int const uchar font[]={ 0x41,0x21,0x23,0x14,0xE8,0x41,0x46,0x5F, 0x10,0x11,0x11,0x11,0x12,0x04,0x18,0x60, 0x00,0x00,0xFC,0x58,0x40,0xA0,0x18,0xF6, 0x10,0x10,0x10,0x10,0xC0,0x30,0x1C,0x08, 0x02,0x41,0x2F,0x20,0x01,0x03,0xE2,0x23, 0x22,0x23,0x22,0x23,0x22,0x50,0x8F,0x00, 0x10,0x20,0xFC,0x80,0x00,0xF0,0x10,0xF0, 0x10,0xF0,0x10,0xF0,0x10,0x00,0xFE,0x00, 0x00,0x1F,0x10,0x13,0x10,0x10,0x17,0x10, 0x13,0x12,0x12,0x13,0x22,0x20,0x40,0x80, 0x00,0xFC,0x84,0xE4,0x84,0x84,0xF4,0x04, 0xE4,0x24,0x24,0xE4,0x24,0x04,0x14,0x08 }; uchar read_data(void){ uchar i; TRISC=0x00; TRISB=0xff; PORTC|=0x04; //set CD PORTC&=0xfd; //clear RD i=PORTB; PORTC|=0x02; //set RD return(i); } void write_data(uchar data_d){ TRISC=0x00; TRISB=0x00; PORTC&=0xfb; //clear CD PORTB=data_d; PORTC&=0xfe; //clear WR PORTC|=0x01; //set WR } void write_contr(uchar data_c){ TRISC=0x00; TRISB=0x00; PORTC|=0x04; //clear CD PORTB=data_c; PORTC&=0xfe; //clear WR PORTC|=0x01; //set WR } void lcd_double_operator(uchar data1,uchar data2,uchar com){ uchar i; i=0; while(i!=0x02) { i=read_data(); i=i&0x02; } write_data(data1); /*参数1*/ i=0; while(i!=0x02) { i=read_data(); i=i&0x02; } write_data(data2); /*参数2*/ i=0; while(i!=0x01) { i=read_data(); i=i&0x01; } write_contr(com); /*指令*/ } void lcd_single_operator(uchar data1,uchar com){ uchar i; i=0; while(i!=0x02) { i=read_data(); i=i&0x02; } write_data(data1); /*参数1*/ i=0; while(i!=0x01) { i=read_data(); i=i&0x01; } write_contr(com); /*指令*/ } void lcd_none_operator(uchar com){ uchar i; i=0; while(i!=0x01) { i=read_data(); i=i&0x01; } write_contr(com); /*指令*/ } void lcd_ini(){ lcd_double_operator(0x00,0x00,0x40); lcd_double_operator(0x1e,0x00,0x41); lcd_double_operator(0x00,0x0c,0x42); lcd_double_operator(0x1e,0x00,0x43); lcd_none_operator(0xa0); lcd_none_operator(0x84); lcd_none_operator(0x9f); } void creat_cgram(uchar count){ uint i,x; x=count*4; x=x*8; lcd_double_operator(0x03,0x00,0x22); lcd_double_operator(0x00,0x1c,0x24); for (i=0;i<x;i++){ lcd_single_operator(font,0xc0); } } void lcd_clear(){ uint i; lcd_double_operator(0x00,0x00,0x24); //首地址 for(i=0;i<0x1000;i++){ lcd_single_operator(0x00,0xc0); } } void write_english(uchar cursor_x,uchar cursor_y,uchar c_code,uchar attr){ uint x; x=cursor_y*30; x=x+cursor_x; /*y=cursor_y*30+cursor_x*/ lcd_double_operator((x&0x00ff),(x/256),0x24); lcd_single_operator(c_code,0xc4); lcd_double_operator((x&0x00ff),(x/256)+0x0c,0x24); lcd_single_operator(attr,0xc4); } void write_chinese(uchar cursor_x,uchar cursor_y,uchar ct_code,uchar attr){ uint x; x=cursor_y*30; x=x+cursor_x; //y=cursor_y*30+cursor_x lcd_double_operator((x&0x00ff),(x/256),0x24); lcd_single_operator(ct_code,0xc4); lcd_double_operator((x&0x00ff),(x/256)+0x0c,0x24); lcd_single_operator(attr,0xc4); lcd_double_operator(((x&0x00ff)+1),(x/256),0x24); lcd_single_operator(ct_code+2,0xc4); lcd_double_operator(((x&0x00ff)+1),(x/256)+0x0c,0x24); lcd_single_operator(attr,0xc4); x+=30; lcd_double_operator((x&0x00ff),(x/256),0x24); lcd_single_operator(ct_code+1,0xc4); lcd_double_operator((x&0x00ff),(x/256)+0x0c,0x24); lcd_single_operator(attr,0xc4); lcd_double_operator(((x&0x00ff)+1),(x/256),0x24); lcd_single_operator(ct_code+3,0xc4); lcd_double_operator(((x&0x00ff)+1),(x/256)+0x0c,0x24); lcd_single_operator(attr,0xc4); } void main(void) { lcd_ini(); lcd_clear(); creat_cgram(0x03); lcd_double_operator(0x08,0x00,0x21); write_english(0x04,0x02,'t'-0x20,0x05); write_english(0x05,0x02,'h'-0x20,0x05); write_english(0x06,0x02,'i'-0x20,0x05); write_english(0x07,0x02,'s'-0x20,0x05); write_english(0x08,0x02,' '-0x20,0x05); write_english(0x09,0x02,'i'-0x20,0x05); write_english(0x0a,0x02,'s'-0x20,0x05); write_english(0x0b,0x02,' '-0x20,0x05); write_english(0x0c,0x02,'a'-0x20,0x05); write_english(0x0d,0x02,' '-0x20,0x05); write_english(0x0e,0x02,'t'-0x20,0x05); write_english(0x0f,0x02,'e'-0x20,0x05); write_english(0x10,0x02,'s'-0x20,0x05); write_english(0x11,0x02,'t'-0x20,0x05); write_english(0x12,0x02,'!'-0x20,0x05); write_english(0x04,0x03,'t'-0x20,0x08); write_english(0x05,0x03,'h'-0x20,0x08); write_english(0x06,0x03,'i'-0x20,0x08); write_english(0x07,0x03,'s'-0x20,0x08); write_english(0x08,0x03,' '-0x20,0x08); write_english(0x09,0x03,'i'-0x20,0x08); write_english(0x0a,0x03,'s'-0x20,0x08); write_english(0x0b,0x03,' '-0x20,0x08); write_english(0x0c,0x03,'a'-0x20,0x08); write_english(0x0d,0x03,' '-0x20,0x08); write_english(0x0e,0x03,'t'-0x20,0x08); write_english(0x0f,0x03,'e'-0x20,0x08); write_english(0x10,0x03,'s'-0x20,0x08); write_english(0x11,0x03,'t'-0x20,0x08); write_english(0x12,0x03,'!'-0x20,0x08); write_chinese(0x13,0x04,0x80,0x0d); write_chinese(0x15,0x04,0x84,0x0d); write_chinese(0x17,0x04,0x88,0x0d); write_chinese(0x13,0x06,0x80,0x00); write_chinese(0x15,0x06,0x84,0x00); write_chinese(0x17,0x06,0x88,0x00); while(1); }