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»论坛 › 嵌入式/单片机论坛 › 51单片机 › 基于51的OLED屏显示 求助！
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基于51的OLED屏显示 求助！

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ID:136231 发表于 2017-1-14 20:25 | 显示全部楼层 |阅读模式
经检查是我的代码问题，OLED屏在别人那测试时是好的。
代码是从网上找的例程，参考了好几个例程，代码基本一样。
我是用的4个接口的OLED屏，就是用IIC通信的。
代码烧录进去后OLED屏没有反应，找不到问题的突破口，无从下手的感觉。
二楼贴代码
突破口, 接口, 通信, 网上

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ID:136231 发表于 2017-1-14 20:26 | 显示全部楼层
#include "reg52.h"
#include "intrins.h"
#define high 1
#define low 0
/*************Pin Define***************/

sbit SCL=P1^0;
sbit SDA=P1^1;
/****************************************************/
void Initial_LY096BG30();
void Delay_50ms(unsigned int Del_50ms);
void Delay_1ms(unsigned int Del_1ms);
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);
bit 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(0x00);//---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[]=
{
0x00,0x06,0x0A,0xFE,0x0A,0xC6,0x00,0xE0,0x00,0xF0,0x00,0xF8,0x00,0x00,0x00,0x00,
0x00,0x00,0xFE,0x7D,0xBB,0xC7,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xEF,0xC7,0xBB,0x7D,
0xFE,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,
0x0C,0xFE,0xFE,0x0C,0x08,0x20,0x60,0xFE,0xFE,0x60,0x20,0x00,0x00,0x00,0x78,0x48,
0xFE,0x82,0xBA,0xBA,0x82,0xBA,0xBA,0x82,0xBA,0xBA,0x82,0xBA,0xBA,0x82,0xFE,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0xFF,
0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0xFF,0xFF,0x00,0x00,0xFE,0xFF,0x03,
0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0xFF,0xFE,0x00,0x00,0x00,0x00,0xC0,0xC0,
0xC0,0x00,0x00,0x00,0x00,0xFE,0xFF,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,
0xFF,0xFE,0x00,0x00,0xFE,0xFF,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0xFF,
0xFE,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0xFF,0xFF,0x0C,
0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0xFF,0xFF,0x00,0x00,0x00,0x00,0xE1,0xE1,
0xE1,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xFF,0xFF,0x00,0x00,0xFF,0xFF,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0xFF,
0xFF,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x1F,
0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x1F,0x0F,0x00,0x00,0x0F,0x1F,0x18,
0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x1F,0x0F,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x0F,0x1F,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,
0x1F,0x0F,0x00,0x00,0x0F,0x1F,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x1F,
0x0F,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,
0x00,0x00,0x00,0x00,0x00,0xE2,0x92,0x8A,0x86,0x00,0x00,0x7C,0x82,0x82,0x82,0x7C,
0x00,0xFE,0x00,0x82,0x92,0xAA,0xC6,0x00,0x00,0xC0,0xC0,0x00,0x7C,0x82,0x82,0x82,
0x7C,0x00,0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0xC0,0xC0,0x00,0x7C,0x82,0x82,0x82,
0x7C,0x00,0x00,0xFE,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,
0x00,0x24,0xA4,0x2E,0x24,0xE4,0x24,0x2E,0xA4,0x24,0x00,0x00,0x00,0xF8,0x4A,0x4C,
0x48,0xF8,0x48,0x4C,0x4A,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x20,0x10,0x10,
0x10,0x10,0x20,0xC0,0x00,0x00,0xC0,0x20,0x10,0x10,0x10,0x10,0x20,0xC0,0x00,0x00,
0x00,0x12,0x0A,0x07,0x02,0x7F,0x02,0x07,0x0A,0x12,0x00,0x00,0x00,0x0B,0x0A,0x0A,
0x0A,0x7F,0x0A,0x0A,0x0A,0x0B,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,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x40,0x40,
0x40,0x50,0x20,0x5F,0x80,0x00,0x1F,0x20,0x40,0x40,0x40,0x50,0x20,0x5F,0x80,0x00,
};
/**********************************************
//IIC Start
**********************************************/
void IIC_Start()
{
   SCL = high;
   //Delay_us(1);               
   SDA = high;
   _nop_();
   SDA = low;
   _nop_();_nop_();
   SCL = low;

}

/**********************************************
//IIC Stop
**********************************************/
void IIC_Stop()
{
   SDA = low;
   _nop_();
   SCL = high;
   _nop_();_nop_();
   SDA = high;
}
/**********************************************
// IIC Write byte
**********************************************/
bit Write_IIC_Byte(unsigned char IIC_Byte)
{
        unsigned char i;
        bit Ack_Bit;                    //应答信号
        for(i=0;i<8;i++)               
        {
                if(IIC_Byte & 0x80)                //1?0?
                SDA=high;
                else
                SDA=low;
                //Delay_us(1);
                SCL=high;
                _nop_();_nop_();
                SCL=low;
                //Delay_us(1);
                IIC_Byte<<=1;                        //loop
        }
         SDA = high;                                //释放IIC SDA总线为主器件接收从器件产生应答信号       
        _nop_();_nop_();
        SCL = high;                     //第9个时钟周期
        _nop_();_nop_();
        Ack_Bit = SDA;                            //读取应答信号
        SCL = low;
        return Ack_Bit;       
}  
/**********************************************
// 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<128;n++)
                        {
                                Write_IIC_Data(fill_Data);
                        }
        }
}
/******************************************
// picture
******************************************/
void picture_1()
{
  unsigned char x,y;
  unsigned int i=0;
  for(y=0;y<8;y++)
    {
      Write_IIC_Command(0xb0+y);
      Write_IIC_Command(0x00);
      Write_IIC_Command(0x10);
      for(x=0;x<128;x++)
        {
          Write_IIC_Data(show1[i++]);
        }
    }
}

/***********************Delay****************************************/
void Delay_50ms(unsigned int Del_50ms)                //
{
        unsigned int m;
        for(;Del_50ms>0;Del_50ms--)
                for(m=6245;m>0;m--);
}

void Delay_1ms(unsigned int Del_1ms)                //
{
        unsigned char j;
        while(Del_1ms--)
        {       
                for(j=0;j<123;j++);
        }
}
/*******************************Main*******************************/
void main(void)
{

        Initial_LY096BG30();
        Delay_1ms(5);
        while(1)
        {
                fill_picture(0xff);        Delay_50ms(25);
                fill_picture(0xf0);        Delay_50ms(25);
                Picture_1();                Delay_50ms(25);
        }
}
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ID:363005 发表于 2018-7-3 09:44 | 显示全部楼层
——波匠 发表于 2017-1-14 20:26
**** 作者被禁止或删除 内容自动屏蔽 ****

谢谢大佬，好人一生平安
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ID:412580 发表于 2019-1-11 13:35 | 显示全部楼层
2294026960 发表于 2018-7-3 09:44
谢谢大佬，好人一生平安

请问可以告知一下哪里错了吗 回复的贴子被删了 谢谢谢谢谢谢
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ID:84765 发表于 2019-1-11 14:42 | 显示全部楼层
277563114 发表于 2019-1-11 13:35
请问可以告知一下哪里错了吗 回复的贴子被删了 谢谢谢谢谢谢

买OLED有送例程的
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