單片機源程序如下:

#include "yejin.h"

const uchar num[]={

0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,/*"0",0*/

0X00,0X00,0X08,0X08,0X1F,0X00,0X00,0X00,0X00,0X00,0X04,0X04,0XFC,0X04,0X04,0X00,/*"1",1*/

0x00,0x70,0x08,0x08,0x08,0x08,0xF0,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,/*"2",2*/

0x00,0x30,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x18,0x20,0x21,0x21,0x22,0x1C,0x00,/*"3",3*/

0x00,0x00,0x80,0x40,0x30,0xF8,0x00,0x00,0x00,0x06,0x05,0x24,0x24,0x3F,0x24,0x24,/*"4",4*/

0x00,0xF8,0x88,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x20,0x20,0x20,0x11,0x0E,0x00,/*"5",5*/

0x00,0xE0,0x10,0x88,0x88,0x90,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x20,0x1F,0x00,/*"6",6*/

0x00,0x18,0x08,0x08,0x88,0x68,0x18,0x00,0x00,0x00,0x00,0x3E,0x01,0x00,0x00,0x00,/*"7",7*/

0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,/*"8",8*/

0x00,0xF0,0x08,0x08,0x08,0x10,0xE0,0x00,0x00,0x01,0x12,0x22,0x22,0x11,0x0F,0x00,/*"9",9*/};

/************微秒延時************/

void delay_us(unsigned long int us)

{

unsigned long int i;

for( i=0;i}

/**************毫秒延時************/

void delay_ms(unsigned int ms)

{

unsigned int i,j;

for( i=0;ifor(j=0;j<1141;j++); 

}

/*************************************/

void SPI_init(void)

{

  DDRB |= 0xBF;

  SPCR = 0x50; //主機，使能spi，高位先，上升沿起

  SPSR = 0x01; //2倍頻

}

//******************端口初始化函數*************

void port_init()

{

DDRB=0Xff;      //SCK、MOSI、SS置位為輸出

}

//***************SPI發送************************

void lcd_wrByte(uint data,uint dc)

{ 

  if(dc==0) DC_0;

  if(dc==1) DC_1;

  SPDR = data; 

  while ((SPSR & 0x80) == 0); 

}

/*********************OLED 設置坐標*********************/

void lcd_Set_xy(uchar x, uchar y) 

{ 

        lcd_wrByte(0xb0+y,0);

        lcd_wrByte(((x&0xf0)>>4)|0x10,0);

        lcd_wrByte((x&0x0f)|0x01,0);

}

/*********************OLED復位************************************/

void lcd_CLS(void)

{

        uchar y,x;

        for(y=0;y<8;y++)

        {

                lcd_wrByte(0xb0+y,0);

                lcd_wrByte(0x01,0);

                lcd_wrByte(0x10,0);

                for(x=0;x<128;x++)

                lcd_wrByte(0,1);

        }

}

/*********************OLED初始化************************************/

void lcd_Init(void)

{        

        RES_0;

        delay_ms(500);//初始化之前的延時

        RES_1;

        lcd_wrByte(0xae,0);//關閉oled面板

        lcd_wrByte(0x00,0);//設置低列地址

        lcd_wrByte(0x10,0);//設置高列地址

        lcd_wrByte(0x40,0);//設置開始行地址設置映射RAM顯示開始行(0x00 0x3F)

        lcd_wrByte(0x81,0);//設置對比控制寄存器

        lcd_wrByte(duibidu,0); // 設置輸出對比度

        lcd_wrByte(0xa1,0);//設置列映射     0xa0左右反置 0xa1正常

        lcd_wrByte(0xc8,0);//掃描方向   0xc0上下反置 0xc8正常

        lcd_wrByte(0xa6,0);//設置正常顯示

        lcd_wrByte(0xa8,0);//設置多種比列(1到64)

        lcd_wrByte(0x3f,0);//1/64 

        lcd_wrByte(0xd3,0);//設置顯示補償(0x00 0x3F)

        lcd_wrByte(0x00,0);//抵消

        lcd_wrByte(0xd5,0);//設置顯示時鐘分頻/振蕩器頻率

        lcd_wrByte(0x80,0);//設置分割比，設置時鐘為100幀/秒

        lcd_wrByte(0xd9,0);//設置pre-charge時期

        lcd_wrByte(0xf1,0);//將預充電設置為15個時鐘，放電為1個時鐘

        lcd_wrByte(0xda,0);//設置com pin硬件配置

        lcd_wrByte(0x12,0);//

        lcd_wrByte(0xdb,0);//設置vcomh電壓

        lcd_wrByte(0x40,0);//取消VCOM等級

        lcd_wrByte(0x20,0);//設置內存尋址模式(0x00/0x01/0x02)

        lcd_wrByte(0x02,0);//頁面尋址模式

        lcd_wrByte(0x8d,0);//設置充電泵啟用/禁用

        lcd_wrByte(0x14,0);//顯示時啟用

        lcd_wrByte(0xa4,0);//全部顯示開，恢復內存內容顯示，輸出內存中的內容

        lcd_wrByte(0xa6,0);// 禁用反顯示(0xa6/a7) 

        lcd_wrByte(0xaf,0);//打開lcd面板

        lcd_CLS(); //初始清屏

} 

/*****************功能描述：顯示16*16點陣  顯示的坐標（x,y），y為頁范圍0～7****************************/

void lcd_16x16(uchar x,uchar y,uchar N,uchar zi[])

{

        uchar wm=0;

        uint adder=32*N;

        lcd_Set_xy(x,y);

        for(wm = 0;wm < 16;wm++)            //上頁

        {

                //lcd_wrByte(zi[adder],1);

                adder ++;

        }

        lcd_Set_xy(x,y + 1);

        for(wm = 0;wm < 16;wm++)           //下頁

        {

                //lcd_wrByte(zi[adder],1);

                adder ++;

        }                   

}

/*******************功能描述：顯示8*16         顯示的坐標（x,y），y為頁范圍0～7,N第幾個字****************/

void lcd_8x16(uchar x,uchar y,uchar N)

{

        uchar wm=0;

        uint adder=16*N;

        lcd_Set_xy(x , y);

        for(wm = 0;wm < 8;wm++)            //上頁

        {

                lcd_wrByte(num[adder],1);

                adder ++;

        }

        lcd_Set_xy(x,y + 1);

        for(wm = 0;wm < 8;wm++)           //下頁

        {

                lcd_wrByte(num[adder],1);

                adder ++;

        }                   

}

/***********功能描述：顯示顯示BMP圖片起始點坐標(x,y),x的范圍0～127，y為頁的范圍0～7*****************/

void lcd_BMP(uchar x,uchar y,uchar chang,uchar kuan,uchar BMP[])

{

        uchar wm=0,su,hen;

        uint i,j,adder;

        lcd_Set_xy(x,y);

        if(kuan%8==0)  su=kuan/8;

        else su=kuan/8+1; 

        for(i = y;i < su;i++)            

        {

                lcd_Set_xy(x,i);

                for(j=x;j                {

                 lcd_wrByte(BMP[adder++],1);

                }

        }

}