#include <mega48.h>
#include <delay.h>
#include <nokia3310.h>
void main(void)
{
PORTB&=209;
DDRB|=46; //设置单片机的4个LCD引脚输出0
while(1)
{
lcd_init(); //lcd初始化
lcd_cls(); //清屏,光标回位
lcd_gotoxy(16,2); //光标定位到第16列,第1行(最上面是0行)
lcd_putsf("NOKIA3310",9); //显示Flash里面的字符串,共9个
lcd_gotoxy(38,4);
lcd_putchar(’O’); //显示英文字母大写O
lcd_putchar(75); //数字75的的ASCII字符是英文字母大写K
delay_ms(1000);
}
}
//下面是 <nokia3310.h> 文件内容
/*************************************************************
使用者只需把这个nokia3310.h的文件复制到工程目录即可
使用nokia3310库函数时,请先定义3310与MCU的连接
本例子3310LCD与单片机的连接如下
RESET PB1
D/C PB2
SDIN PB3
SCLK PB5
SCE GND
英文字库,5*8点阵,每一个字符占用5个字节,共94个可显示字符数据**/
#define RESET PORTB.1 //RESET=0时,LCD复位
#define DC PORTB.2 //DC=0_指令,DC=1_数据
#define SDIN PORTB.3
#define SCLK PORTB.5
//#define www.avrdiy.com Panxiaoyi
flash unsigned char data[]={
0x00, 0x00, 0x00, 0x00, 0x00, // sp
0x00, 0x00, 0x2f, 0x00, 0x00, // !
0x00, 0x07, 0x00, 0x07, 0x00, // "
0x14, 0x7f, 0x14, 0x7f, 0x14, // #
0x24, 0x2a, 0x7f, 0x2a, 0x12, // $
0x62, 0x64, 0x08, 0x13, 0x23, // %
0x36, 0x49, 0x55, 0x22, 0x50, // &
0x00, 0x05, 0x03, 0x00, 0x00, // ’
0x00, 0x1c, 0x22, 0x41, 0x00, // (
0x00, 0x41, 0x22, 0x1c, 0x00, // )
0x14, 0x08, 0x3E, 0x08, 0x14, // *
0x08, 0x08, 0x3E, 0x08, 0x08, // +
0x00, 0x00, 0xA0, 0x60, 0x00, // ,
0x08, 0x08, 0x08, 0x08, 0x08, // -
0x00, 0x60, 0x60, 0x00, 0x00, // .
0x20, 0x10, 0x08, 0x04, 0x02, // /
0x3E, 0x51, 0x49, 0x45, 0x3E, // 0
0x00, 0x42, 0x7F, 0x40, 0x00, // 1
0x42, 0x61, 0x51, 0x49, 0x46, // 2
0x21, 0x41, 0x45, 0x4B, 0x31, // 3
0x18, 0x14, 0x12, 0x7F, 0x10, // 4
0x27, 0x45, 0x45, 0x45, 0x39, // 5
0x3C, 0x4A, 0x49, 0x49, 0x30, // 6
0x01, 0x71, 0x09, 0x05, 0x03, // 7
0x36, 0x49, 0x49, 0x49, 0x36, // 8
0x06, 0x49, 0x49, 0x29, 0x1E, // 9
0x00, 0x36, 0x36, 0x00, 0x00, // :
0x00, 0x56, 0x36, 0x00, 0x00, // ;
0x08, 0x14, 0x22, 0x41, 0x00, // <
0x14, 0x14, 0x14, 0x14, 0x14, // =
0x00, 0x41, 0x22, 0x14, 0x08, // >
0x02, 0x01, 0x51, 0x09, 0x06, // ?
0x32, 0x49, 0x59, 0x51, 0x3E, // @
0x7C, 0x12, 0x11, 0x12, 0x7C, // A
0x7F, 0x49, 0x49, 0x49, 0x36, // B
0x3E, 0x41, 0x41, 0x41, 0x22, // C
0x7F, 0x41, 0x41, 0x22, 0x1C, // D
0x7F, 0x49, 0x49, 0x49, 0x41, // E
0x7F, 0x09, 0x09, 0x09, 0x01, // F
0x3E, 0x41, 0x49, 0x49, 0x7A, // G
0x7F, 0x08, 0x08, 0x08, 0x7F, // H
0x00, 0x41, 0x7F, 0x41, 0x00, // I
0x20, 0x40, 0x41, 0x3F, 0x01, // J
0x7F, 0x08, 0x14, 0x22, 0x41, // K
0x7F, 0x40, 0x40, 0x40, 0x40, // L
0x7F, 0x02, 0x0C, 0x02, 0x7F, // M
0x7F, 0x04, 0x08, 0x10, 0x7F, // N
0x3E, 0x41, 0x41, 0x41, 0x3E, // O
0x7F, 0x09, 0x09, 0x09, 0x06, // P
0x3E, 0x41, 0x51, 0x21, 0x5E, // Q
0x7F, 0x09, 0x19, 0x29, 0x46, // R
0x46, 0x49, 0x49, 0x49, 0x31, // S
0x01, 0x01, 0x7F, 0x01, 0x01, // T
0x3F, 0x40, 0x40, 0x40, 0x3F, // U
0x1F, 0x20, 0x40, 0x20, 0x1F, // V
0x3F, 0x40, 0x38, 0x40, 0x3F, // W
0x63, 0x14, 0x08, 0x14, 0x63, // X
0x07, 0x08, 0x70, 0x08, 0x07, // Y
0x61, 0x51, 0x49, 0x45, 0x43, // Z
0x00, 0x7F, 0x41, 0x41, 0x00, // [
0x55, 0x2A, 0x55, 0x2A, 0x55, // 55
0x00, 0x41, 0x41, 0x7F, 0x00, // ]
0x04, 0x02, 0x01, 0x02, 0x04, // ^
0x40, 0x40, 0x40, 0x40, 0x40, // _
0x00, 0x01, 0x02, 0x04, 0x00, // ’
0x20, 0x54, 0x54, 0x54, 0x78, // a
0x7F, 0x48, 0x44, 0x44, 0x38, // b
0x38, 0x44, 0x44, 0x44, 0x20, // c
0x38, 0x44, 0x44, 0x48, 0x7F, // d
0x38, 0x54, 0x54, 0x54, 0x18, // e
0x08, 0x7E, 0x09, 0x01, 0x02, // f
0x18, 0xA4, 0xA4, 0xA4, 0x7C, // g
0x7F, 0x08, 0x04, 0x04, 0x78, // h
0x00, 0x44, 0x7D, 0x40, 0x00, // i
0x40, 0x80, 0x84, 0x7D, 0x00, // j
0x7F, 0x10, 0x28, 0x44, 0x00, // k
0x00, 0x41, 0x7F, 0x40, 0x00, // l
0x7C, 0x04, 0x18, 0x04, 0x78, // m
0x7C, 0x08, 0x04, 0x04, 0x78, // n
0x38, 0x44, 0x44, 0x44, 0x38, // o
0xFC, 0x24, 0x24, 0x24, 0x18, // p
0x18, 0x24, 0x24, 0x18, 0xFC, // q
0x7C, 0x08, 0x04, 0x04, 0x08, // r
0x48, 0x54, 0x54, 0x54, 0x20, // s
0x04, 0x3F, 0x44, 0x40, 0x20, // t
0x3C, 0x40, 0x40, 0x20, 0x7C, // u
0x1C, 0x20, 0x40, 0x20, 0x1C, // v
0x3C, 0x40, 0x30, 0x40, 0x3C, // w
0x44, 0x28, 0x10, 0x28, 0x44, // x
0x1C, 0xA0, 0xA0, 0xA0, 0x7C, // y
0x44, 0x64, 0x54, 0x4C, 0x44, // z
0x00, 0x08, 0x36, 0x41, 0x00, // {
0x00, 0x00, 0x7F, 0x00, 0x00, // |
0x00, 0x41, 0x36, 0x08, 0x00, // }
0x08, 0x10, 0x08, 0x04, 0x08 // ~
};
//=======================================================================================
void lcd_write(unsigned char byte) //写LCD函数，模拟SPI通信
{
unsigned char i; //先写数据的高位，后写低位
for(i=128;i>0;i>>=1)
{
if( byte & i ) SDIN=1; else SDIN=0;
SCLK=0; SCLK=1;
}
}
/*上面的是模拟SPI发送数据函数，下面的是硬件SPI发送数据函数
void lcd_write(unsigned char data)
{
SPCR=80;
SPDR=data; //开始发送数据
while((SPSR>>7)==0); //等待发送接收结束
} */
//=======================================================================================
void lcd_cls(void) //nokia3310清屏,光标复位
{
unsigned int i=0;
DC=0;
lcd_write(128); //光标回到0列
lcd_write(64); //光标回到0行
DC=1; //准备写数据
for(i=0;i<504;i++) //写504个0数据,就是清屏
lcd_write(0);
}
//=======================================================================================
void lcd_init(void) //nokia3310初始化函数
{
RESET=0;
RESET=1; //复位结束
DC=0; //准备写指令
lcd_write(32+1); //进入扩展指令
lcd_write(128+38); //设置Vop,相当于亮度
lcd_write(4+3); //设置温度系数,相当于对比度
lcd_write(16+3); //设置偏置,这句要与不要的实际效果好像一样
lcd_write(32+0); //进入基本指令
lcd_write(12); //使能芯片活动/垂直寻址
}
//=======================================================================================
//光标定位,x(0-83)是列地址,y(0-5)是行地址
void lcd_gotoxy(unsigned char x,unsigned char y)
{
DC=0;
lcd_write(x+128);
lcd_write(y+64);
}
//=======================================================================================
void lcd_putchar(unsigned char character) //显示ASCII值的字符
{
unsigned char i=0;
unsigned int No;
No=character-32; //字模数据是由空格开始,空格字符的ASCII的值就是32
No=No*5; //每个字符的字模是5个字节
DC=1;
while(i<5) //一个字符的字模是5个字节,就是5*8点阵
{
lcd_write(data[No]);
i++;
No++;
}
lcd_write(0); //每个字符之间空一列
}
//=====================================================================================
void lcd_putsf(flash unsigned char *string , unsigned char n) //显示FLASH里面的字符串
{
unsigned char i=0;
while(i<n)
{
lcd_putchar( string[i] ); //顺序显示字符
i++;
}
}
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