單片機+MCP3201+oled12864（iic）顯示測量電壓表源程序

ID:337109 · 發表于 2020-3-14 01:44

效果如下圖

#include <reg52.h>
#define high 1
#define low 0
//oled引腳定義
sbit SCL = P3^5;
sbit SDA = P3^6;
/****************************************************/
void Initial_LY096BG30();
void fill_picture(unsigned char fill_Data);
void Picture_1();
void IIC_Start();
void IIC_Stop();
void Write_IIC_Command(unsigned char IIC_Command);
void Write_IIC_Data(unsigned char IIC_Data);
void Write_IIC_Byte(unsigned char IIC_Byte);
/***********************Initial code*********************/
void Initial_LY096BG30()
{
      Write_IIC_Command(0xAE); //display off
      Write_IIC_Command(0x20);       //Set Memory Addressing Mode
      Write_IIC_Command(0x10);       //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
      Write_IIC_Command(0xb0);       //Set Page Start Address for Page Addressing Mode,0-7
      Write_IIC_Command(0xc8);       //Set COM Output Scan Direction
      Write_IIC_Command(0x02);//---set low column address
      Write_IIC_Command(0x10);//---set high column address
      Write_IIC_Command(0x40);//--set start line address
      Write_IIC_Command(0x81);//--set contrast control register
      Write_IIC_Command(0x7f);
      Write_IIC_Command(0xa1);//--set segment re-map 0 to 127
      Write_IIC_Command(0xa6);//--set normal display
      Write_IIC_Command(0xa8);//--set multiplex ratio(1 to 64)
      Write_IIC_Command(0x3F);//
      Write_IIC_Command(0xa4);//0xa4,Output follows RAM content;0xa5,Output ignores RAM content
      Write_IIC_Command(0xd3);//-set display offset
      Write_IIC_Command(0x00);//-not offset
      Write_IIC_Command(0xd5);//--set display clock divide ratio/oscillator frequency
      Write_IIC_Command(0xf0);//--set divide ratio
      Write_IIC_Command(0xd9);//--set pre-charge period
      Write_IIC_Command(0x22); //
      Write_IIC_Command(0xda);//--set com pins hardware configuration
      Write_IIC_Command(0x12);
      Write_IIC_Command(0xdb);//--set vcomh
      Write_IIC_Command(0x20);//0x20,0.77xVcc
      Write_IIC_Command(0x8d);//--set DC-DC enable
      Write_IIC_Command(0x14);//
      Write_IIC_Command(0xaf);//--turn on oled panel
}
/***********************Picture Code**************************/
unsigned char code show1[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x90,0x52,0x34,0x10,0xFF,0x10,0x34,0x52,0x80,0x70,0x8F,0x08,0x08,0xF8,0x08,0x00,
0x82,0x9A,0x56,0x63,0x22,0x52,0x8E,0x00,0x80,0x40,0x33,0x0C,0x33,0x40,0x80,0x00,/*"數",0*/
0x10,0x0C,0x04,0x24,0x24,0x24,0x25,0x26,0xA4,0x64,0x24,0x04,0x04,0x14,0x0C,0x00,
0x02,0x02,0x02,0x02,0x02,0x42,0x82,0x7F,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x00,/*"字",1*/
0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00,
0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,0x00,/*"電",2*/
0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,0x00,
0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,0x00,/*"壓",3*/
0x00,0x04,0x24,0x24,0x24,0x24,0x24,0xFF,0x24,0x24,0x24,0x24,0x24,0x04,0x00,0x00,
0x21,0x21,0x11,0x09,0xFD,0x83,0x41,0x23,0x05,0x09,0x11,0x29,0x25,0x41,0x41,0x00,/*"表",4*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,/*"Y",0*/
0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,/*"S",1*/

0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"5",0*/
0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",1*/
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,/*"1",2*/
0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,/*"0",3*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,/*" ",4*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,/*"1",5*/
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"5",6*/
0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",7*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,/*"2",8*/
0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,/*"0",9*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,/*" ",10*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,/*"2",11*/
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"5",12*/
0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*" ",13*/
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,/*"3",14*/
0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,/*"0",15*/

0x00,0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,
0x00,0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,/*"電"*/
0x00,0x00,0x00,0xFE,0x02,0x82,0x82,0x82,0x82,0xFA,0x82,0x82,0x82,0x82,0x82,0x02,
0x00,0x80,0x60,0x1F,0x40,0x40,0x40,0x40,0x40,0x7F,0x40,0x40,0x44,0x58,0x40,0x40,/*"壓"*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"："*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"V"*/
0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,

0x00,0x40,0x42,0x44,0x58,0x40,0x40,0x7F,0x40,0x40,0x50,0x48,0xC6,0x00,0x00,0x00,
0x00,0x40,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,/*"當",0*/
0x08,0x08,0xE8,0x29,0x2E,0x28,0xE8,0x08,0x08,0xC8,0x0C,0x0B,0xE8,0x08,0x08,0x00,
0x00,0x00,0xFF,0x09,0x49,0x89,0x7F,0x00,0x00,0x0F,0x40,0x80,0x7F,0x00,0x00,0x00,/*"前",1*/
0x10,0x10,0xD0,0xFF,0x90,0x10,0x40,0x42,0x5C,0x40,0x7F,0x40,0x50,0xCE,0x00,0x00,
0x04,0x03,0x00,0xFF,0x00,0x01,0x40,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,/*"檔",2*/
0x00,0x80,0x60,0xF8,0x07,0x10,0x90,0x10,0x11,0x16,0x10,0x10,0xD0,0x10,0x00,0x00,
0x01,0x00,0x00,0xFF,0x40,0x40,0x41,0x5E,0x40,0x40,0x70,0x4E,0x41,0x40,0x40,0x00,/*"位",3*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"：",4*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x10,0x10,0xD0,0xFF,0x90,0x10,0x40,0x42,0x5C,0x40,0x7F,0x40,0x50,0xCE,0x00,0x00,
0x04,0x03,0x00,0xFF,0x00,0x01,0x40,0x44,0x44,0x44,0x44,0x44,0x44,0xFF,0x00,0x00,/*"檔",7*/
};

unsigned char code show2[]=
{
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,/*"0"*/
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,/*"1"*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,/*"2"*/
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,/*"3"*/
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,/*"4"*/
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,/*"5"*/
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,/*"6"*/
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,/*"7"*/
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,/*"8"*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,/*"9"*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,/*"."*/
};

/**********************************************
//IIC Start
**********************************************/
void IIC_Start()
{
SCL = high;
SDA = high;
SDA = low;
SCL = low;
}

/**********************************************
//IIC Stop
**********************************************/
void IIC_Stop()
{
SCL = low;
SDA = low;
SCL = high;
SDA = high;
}
/**********************************************
// IIC Write byte
**********************************************/
void Write_IIC_Byte(unsigned char IIC_Byte)
{
      unsigned char i;
      for(i=0;i<8;i++)
      {
            if(IIC_Byte & 0x80)             //1?0?
            SDA=high;
            else
            SDA=low;
            SCL=high;
            SCL=low;
            IIC_Byte<<=1;                      //loop
      }
      SDA=1;
      SCL=1;
      SCL=0;
}
/**********************************************
// IIC Write Command
**********************************************/
void Write_IIC_Command(unsigned char IIC_Command)
{
IIC_Start();
Write_IIC_Byte(0x78);          //Slave address,SA0=0
Write_IIC_Byte(0x00);                      //write command
Write_IIC_Byte(IIC_Command);
IIC_Stop();
}
/**********************************************
// IIC Write Data
**********************************************/
void Write_IIC_Data(unsigned char IIC_Data)
{
IIC_Start();
Write_IIC_Byte(0x78);
Write_IIC_Byte(0x40);                      //write data
Write_IIC_Byte(IIC_Data);
IIC_Stop();
}
/********************************************
// fill_Picture
********************************************/
void fill_picture(unsigned char fill_Data)
{
      unsigned char m,n;
      for(m=0;m<8;m++)
      {
            Write_IIC_Command(0xb0+m);             //page0-page1
            Write_IIC_Command(0x00);             //low column start address
            Write_IIC_Command(0x10);             //high column start address
            for(n=0;n<130;n++)
                     {
                              Write_IIC_Data(fill_Data);
                     }
      }
}
/******************************************
// picture
******************************************/
void picture_1()
{
      unsigned char x,y,z,k;
      unsigned int i=0;
      for(k=0;k<4;k++)
      {
            for(z=0;z<8;z++)
            {
                     for(y=2*k;y<2*(k+1);y++)
                     {
                              Write_IIC_Command(0xb0+y);
                              Write_IIC_Command(0x00);
                              Write_IIC_Command(0x10+z);
                              for(x=0;x<16;x++)
                              {
                                    Write_IIC_Data(show1[i++]);
                              }
                     }
            }
      }
}

void xssz(int k,int z,int sz)       //k=行； z=個；
{
  unsigned char x,y;
  unsigned int i=sz*16;
  for(y=2*k;y<2*(k+1);y++)
{
   Write_IIC_Command(0xb0+y);
   Write_IIC_Command(0x00);
   Write_IIC_Command(0x10+z);
   for(x=0;x<8;x++)
   {
      Write_IIC_Data(show2[i++]);
   }
}
}