nokia7110 LCD 显示汉字

简单的打点。至于屏幕右下角出现的那几条线，可能是proteus的BUG

程序如下

#include
#include "stdio.h"
#define uchar unsigned char
#define uint unsigned int

#define CLR_CS PORTD&=~(1<0)
#define SET_CS PORTD|=(1<0)

#define CLR_DC PORTD&=~(1<1) //low for Control data high for Display data
#define SET_DC PORTD|=(1<1)

#define CLR_RESET PORTD&=~(1<2)
#define SET_RESET PORTD|=(1<2)

uchar HZ[][32]={{0xFF,0xBF,0x4D,0x69,0x65,0x6D,0x09,0x65,0x6C,0x6E,0x66,0x68,0x6E,0x6F,0xCF,0xFF,0xBF,0xDF,0x5F,0x6F,0xB3,0xB8,0xD5,0xD5,0xED,0xE5,0xD9,0xDD,0xBF,0x3F,0xBF,0xFF},/*"爱",0*/

{0xDF,0xDF,0xDD,0xDD,0x01,0xDE,0xDE,0xDF,0xDF,0x00,0xDF,0xDD,0x53,0xDF,0xDF,0xFF,0xFB,0xFB,0xBD,0x7D,0x80,0xFE,0xFE,0xEF,0xEF,0xF7,0xF8,0xE5,0xDE,0xBF,0x0F,0xFF},/*"我",1*/

{0xFF,0xFF,0x03,0xF7,0xF7,0xF7,0xF7,0x00,0xF7,0xF7,0xF7,0xF7,0x03,0xF7,0xFF,0xFF,0xFF,0xFF,0xF8,0xFD,0xFD,0xFD,0xFD,0x00,0xFD,0xFD,0xFD,0xFD,0xF8,0xFF,0xFF,0xFF},/*"中",2*/

{0xDF,0xEF,0xF7,0x03,0xFC,0xFD,0xEF,0xEF,0x80,0x77,0x77,0x7B,0x79,0x1B,0xFF,0xFF,0xFF,0xFB,0xFB,0xFA,0xFB,0xFB,0xFB,0x00,0xFB,0xFB,0xFB,0xFB,0xFB,0xFB,0xFB,0xFF},/*"华",3*/

{0xDF,0xDF,0xDD,0xDD,0x01,0xDE,0xDE,0xDF,0xDF,0x00,0xDF,0xDD,0x53,0xDF,0xDF,0xFF,0xFB,0xFB,0xBD,0x7D,0x80,0xFE,0xFE,0xEF,0xEF,0xF7,0xF8,0xE5,0xDE,0xBF,0x0F,0xFF},/*"我",4*/

{0xFF,0x07,0x73,0x74,0x77,0x07,0xBF,0xCF,0x70,0xF7,0xF7,0xF7,0xF7,0x07,0xFF,0xFF,0xFF,0x80,0xEF,0xEF,0xEF,0xC0,0xFF,0xFF,0xFF,0xFC,0xD9,0xBF,0xDF,0xE0,0xFF,0xFF},/*"的",5*/

{0xFF,0xE7,0xFB,0xEB,0x6B,0x6B,0x2A,0x49,0xEB,0xEB,0x6B,0xFB,0xEB,0xF3,0xFB,0xFF,0xFF,0xD6,0xD6,0xEA,0xEB,0xB5,0x76,0xBB,0xC0,0xF9,0xF6,0xF6,0xEF,0xCF,0xEF,0xFF}};

/**********************************************************
Global Variable
**********************************************************/

uchar page;
uchar x,y;
uchar char_row;
uchar charpos;
uchar chardata;

void nokia_write_dorc(uchar bytefornokia);
void nokia_write_command(uchar bytefornokia_command);
void nokia_write_data(uchar bytefornokia_data);
void nokia_gotoxy(uchar xnokia, uchar ynokia);
void lcdpixel(uchar x, uchar y,uchar d);
void lcd_chr(uchar charsel);

void delay_ms(uint t)
{
uint i,j;
for(i=0;ifor(j=0;j<100;j++);
}

void SPI_init()
{
DDRB|=(1<5)|(1<7);//MOSI SCK OUTPUT
SPCR=(0<7)|(1<6)|(0<5)|(1<4)|(0<3)|(0<2)|(0<1)|(1);
}

void SPI_sendB(uchar d)
{
/* 启动数据传输 */
SPDR = d;
/* 等待传输结束 */
while(!(SPSR & (1}

/********************************************************
Nokia clear LCD function
********************************************************/
void nokia_cls() {
for (page=0; page<9; page++) // 9 page
{
nokia_write_command(0xB0 | page); // page address ie:0xB0,0xB1,...,0xB7
nokia_write_command(0x11); // most 4 bit column address command 0001 0011
nokia_write_command(0x02); // least 4 bit column address command 0000 0011
for (x=96; x>0; x--) // 96 column
nokia_write_data(0x00);
}
}
/**********************************************************
Reset LCD Function
**********************************************************/
void nokia_reset()
{
SET_RESET; //1
delay_ms(10);
CLR_RESET; //0
delay_ms(10);
SET_RESET; //1
delay_ms(100);
}

/**********************************************************
Initial LCD Function
**********************************************************/
void nokia_init() {
nokia_reset();
nokia_write_command(0xA6); // lcd in normal display mode (0xA7 negative mode)
nokia_write_command(0xA3); // lcd bias (1/9 0xA2 - 1/7 0xA3)
nokia_write_command(0xA1); // (0xA1 reverse lcd - 0xA0 select normal)
nokia_write_command(0xC0); // common output normal (0xC8 reverse)
nokia_write_command(0x22); // V5 resistor ratio
nokia_write_command(0x81); // electronic volume mode
nokia_write_command(0x2E); // power control set value (contrast level --> 0x00 lightest to 0x3F darkest)
nokia_write_command(0x2F); // power control set value
nokia_write_command(0xE3); // nop
nokia_write_command(0x40); // start line set
nokia_write_command(0xAF); // lcd on
nokia_write_command(0xA5); // lc