AVR单片机 驱动SS1306 SPI模式点不亮屏幕

网上到处都是51 和stm32的例程,AVR的完全找不到,移植了51的例程,
但是就是点不亮oled。主芯片是atmega128 走的是spi模式。程序代码如下,不用库单独画点都完全没反应,实在找不出是啥子原因。跪求解答

#include <iom128.h>
#include <delay.h>
#include <oledfont.h>

//8位LED灯控制端口定义,连接在PE口,灌电流模式
#define LED             PORTE                           //PE口接8个LED灯
#define LEDDDR      DDRE                            //PE口方向寄存器
#define  LED4_0              PORTE &= ~(1<<PE3)          //D4亮
#define  LED4_1              PORTE |= (1<<PE3)           //D4灭

#define  u8 unsigned char 
#define  u32 unsigned int 
#define OLED_CMD  0 //写命令
#define OLED_DATA 1 //写数据

#define OLED_RST_Clr() PORTE &= ~(1 << PE6)
#define OLED_RST_Set() PORTE |= (1 << PE6)

#define OLED_DC_Clr()  PORTE &= ~(1 << PE5)
#define OLED_DC_Set()  PORTE |= (1 << PE5)

#define OLED_SCLK_Clr() PORTB &= ~(1 << PB1)
#define OLED_SCLK_Set() PORTB |= (1 << PB1)

#define OLED_SDIN_Clr() PORTB &= ~(1 << PB2)
#define OLED_SDIN_Set() PORTB |= (1 << PB2)

#define SIZE 16
#define XLevelL     0x02
#define XLevelH     0x10
#define Max_Column  128
#define Max_Row     64
#define Brightness  0xFF 
#define X_WIDTH     128
#define Y_WIDTH     64

u8 OLED_GRAM[8][128];  //8页 128列



void OLED_WR_Byte(u8 dat,u8 cmd);
void OLED_Set_Pos(unsigned char x, unsigned char y) ;
void OLED_Set_Pos(unsigned char x, unsigned char y) ;
void OLED_Display_On(void);
void OLED_Display_Off(void);
void OLED_Clear(void);
void OLED_DrawPoint(u8 x,u8 y,u8 t);
void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot);
void OLED_ShowChar(u8 x,u8 y,u8 chr);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2);
void OLED_ShowString(u8 x,u8 y, u8 *p);  
void OLED_Set_Pos(unsigned char x, unsigned char y);
void OLED_ShowCHinese(u8 x,u8 y,u8 no);
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[]);
void OLED_Init(void);
void system_init();

void Print_Point(u8 x, u8 y,u8 checkedState);



void system_init()
{

  LEDDDR=0xff;    //设置PE口为输出

  LED=0xff; //初始状态为高,关闭8个LED灯

}
//向SSD1306写入一个字节单位
//dat:要写入的数据/命令
//cmd:数据/命令标志  0命令  1数据
void OLED_WR_Byte(u8 dat,u8 cmd)
{ 
  u8 i;           
  if(cmd)
    OLED_DC_Set();
  else 
    OLED_DC_Clr();        
  //OLED_CS_Clr();
  for(i=0;i<8;i++)
  {           
    OLED_SCLK_Clr();
    if(dat&0x80)
    {
      OLED_SDIN_Set();
    }
    else  OLED_SDIN_Clr();
    OLED_SCLK_Set();
    dat<<=1;   
  }                       
  //OLED_CS_Set();
  OLED_DC_Set();      
} 

void OLED_Set_Pos(unsigned char x, unsigned char y) //坐标位置
{ 
  OLED_WR_Byte(0xb0+y,OLED_CMD);//页
  OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);//高四位
  OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD); //低四位
}  


//开启OLED显示   
void OLED_Display_On(void)
{
  OLED_WR_Byte(0X8D,OLED_CMD);  //电荷泵设置
  OLED_WR_Byte(0X14,OLED_CMD);  //打开电荷泵
  OLED_WR_Byte(0XAF,OLED_CMD);  //开启显示
}
//关闭OLED显示    
void OLED_Display_Off(void)
{
  OLED_WR_Byte(0X8D,OLED_CMD);
  OLED_WR_Byte(0X10,OLED_CMD);//关  A2
  OLED_WR_Byte(0XAE,OLED_CMD);
}                    
//清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!   
void OLED_Clear(void)  
{  
  u8 i,n;           
  for(i=0;i<8;i++)  
  {  
    OLED_WR_Byte (0xb0+i,OLED_CMD);    //设置页地址(0~7)
    OLED_WR_Byte (0x00,OLED_CMD);      //设置显示位置—列低地址
    OLED_WR_Byte (0x10,OLED_CMD);      //设置显示位置—列高地址   
    for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); 
  } //更新显示
}


//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示                 
//size:选择字体 16/12 
void OLED_ShowChar(u8 x,u8 y,u8 chr)
{       
  unsigned char c=0,i=0;    
  c=chr-' ';//得到偏移后的值         
  if(x>Max_Column-1){x=0;y=y+2;}
  if(SIZE ==16)
  {
  OLED_Set_Pos(x,y);    
  for(i=0;i<8;i++)
  OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
  OLED_Set_Pos(x,y+1);
  for(i=0;i<8;i++)
  OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);
  }
  else 
  { 
    OLED_Set_Pos(x,y+1);
    for(i=0;i<6;i++)
    OLED_WR_Byte(F6x8[c][i],OLED_DATA);

  }
}
//m^n函数
u32 oled_pow(u8 m,u8 n)
{
  u32 result=1;  
  while(n--)result*=m;    
  return result;
}                 
//显示2个数字
//x,y :起点坐标  
//len :数字的位数
//size:字体大小
//mode:模式   0,填充模式;1,叠加模式
//num:数值(0~4294967295);           
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
{           
  u8 t,temp;
  u8 enshow=0;                         
  for(t=0;t<len;t++)
  {
    temp=(num/oled_pow(10,len-t-1))%10;
    if(enshow==0&&t<(len-1))
    {
      if(temp==0)
      {
        OLED_ShowChar(x+(size2/2)*t,y,' ');
        //OLED_ShowChar(x+(size2/2)*t,y,' ',size2);//IIC程序中的
        continue;
      }else enshow=1; 

    }
    OLED_ShowChar(x+(size2/2)*t,y,temp+'0'); 
  }
} 
//显示一个字符号串
void OLED_ShowString(u8 x,u8 y,u8 *chr)
{
  unsigned char j=0;
  while (chr[j]!='\0')
  {     
  OLED_ShowChar(x,y,chr[j]);
  x+=8;
  if(x>120){x=0;y+=2;}
  j++;
  }
}
//显示汉字
void OLED_ShowCHinese(u8 x,u8 y,u8 no)
{                   
  u8 t,adder=0;
  OLED_Set_Pos(x,y);    
  for(t=0;t<16;t++)
  {
    OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
    adder+=1;
   }    
   OLED_Set_Pos(x,y+1); 
   for(t=0;t<16;t++)
    {   
      OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);
      adder+=1;
    }                   
}
/***********功能描述:显示显示BMP图片128×64起始点坐标(x,y),x的范围0~127,y为页的范围0~7*****************/
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[])
{   
 unsigned int j=0;
 unsigned char x,y;

  if(y1%8==0) y=y1/8;      
  else y=y1/8+1;
  for(y=y0;y<y1;y++)
  {
    OLED_Set_Pos(x0,y);
    for(x=x0;x<x1;x++)
    {      
      OLED_WR_Byte(BMP[j++],OLED_DATA);         
    }
  }
} 


void Print_Point(u8 x, u8 y,u8 checkedState)
{
  OLED_Set_Pos(x,y);
  if(checkedState == 1)
  {
    OLED_WR_Byte(0xC0,OLED_DATA);
    OLED_WR_Byte(0xC0,OLED_DATA);
  }
  else
  {
    OLED_WR_Byte(0x00,OLED_DATA);
    OLED_WR_Byte(0x00,OLED_DATA);
  }
}

//初始化SSD1306                      
void OLED_Init(void)
{
 //OLED_CS_Set();
  OLED_RST_Set();
  delay_ms(100);
  OLED_RST_Clr();
  delay_ms(100);
  OLED_RST_Set();
  OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel
  OLED_WR_Byte(0x00,OLED_CMD);//---set low column address低列地址
  OLED_WR_Byte(0x10,OLED_CMD);//---set high column address高列地址
  OLED_WR_Byte(0x40,OLED_CMD);//--set start line address  Set Mapping RAM Display Start Line (0x00~0x3F)起始行地址
  OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register对比度
  OLED_WR_Byte(0xCF,OLED_CMD); // Set SEG Output Current Brightness对比度/亮度值
  OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping     0xa0左右反置 0xa1正常
  OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction   0xc0上下反置 0xc8正常
  OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display A6:正常/A7:反相
  OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)驱动路数
  OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty驱动路数值
  OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)设置显示偏移
  OLED_WR_Byte(0x00,OLED_CMD);//-not offset设置显示偏移值
  OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency 设置时钟分频因子,震荡频率
  OLED_WR_Byte(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec
  OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period设置预充电周期
  OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
  OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration设置COM硬件引脚配置
  OLED_WR_Byte(0x12,OLED_CMD);
  OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh设置VCOMH倍率
  //OLED_WR_Byte(0x30,OLED_CMD);//Set VCOM Deselect Level
  OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level
  OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02)设置内存地址模式
  OLED_WR_Byte(0x02,OLED_CMD);//[1:0],00,列地址模式;01,行地址模式;10,页地址模式;默认10;
  OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable电荷泵设置///////////手册上没找到
  OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disablebit2,开启/关闭
  OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏)
  OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7) 设置显示方式;bit0:1,反相显示;0,正常显示
  OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel开启显示     

  OLED_WR_Byte(0xAF,OLED_CMD); /*display ON*/ 
  OLED_Clear();
    //OLED_Set_Pos(0,0);    
}    


int main(void)
{
 // u8 t;
  system_init();
  OLED_Init();
 // OLED_Clear();
//  OLED_ShowString(30,0,"OLED TEST");
//  OLED_ShowString(8,2,"ZHONGJINGYUAN");  
//  OLED_ShowString(20,4,"2014/05/01");  
//  OLED_ShowString(0,6,"ASCII:");  
//  OLED_ShowString(63,6,"CODE:");  
 //  t=' ';
  OLED_Display_On();
  delay_ms(10000);


  while(1)
    {   
      Print_Point(3,5,1);
      LED = 0xFF; 
      PORTE &= ~(1<<PE3);
      OLED_Clear();
      OLED_ShowCHinese(0,0,0);//中
      OLED_ShowCHinese(18,0,1);//景
      OLED_ShowCHinese(36,0,2);//园
      OLED_ShowCHinese(54,0,3);//电
      OLED_ShowCHinese(72,0,4);//子
      OLED_ShowCHinese(90,0,5);//科
      OLED_ShowCHinese(108,0,6);//技
     }

}

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