AVR单片机驱动NOKIA3310的示例程序

#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++;                                        }        }