C51 COMPILER V9.52.0.0   OLED                                                              05/03/2018 10:41:43 PAGE 1   


C51 COMPILER V9.52.0.0, COMPILATION OF MODULE OLED
OBJECT MODULE PLACED IN oled.obj
COMPILER INVOKED BY: D:\KEIL_51\C51\BIN\C51.EXE SRC\oled.c BROWSE INCDIR(.\SRC) DEBUG OBJECTEXTEND PRINT(.\oled.lst) TAB
                    -S(2) OBJECT(oled.obj)

line level    source

   1          
   2          #include "oled.h"
   3          //#include "stdlib.h"
   4          #include "oledfont.h"    
   5          //#include "delay.h"
   6          //OLED的显存
   7          //存放格式如下.
   8          //[0]0 1 2 3 ... 127  
   9          //[1]0 1 2 3 ... 127  
  10          //[2]0 1 2 3 ... 127  
  11          //[3]0 1 2 3 ... 127  
  12          //[4]0 1 2 3 ... 127  
  13          //[5]0 1 2 3 ... 127  
  14          //[6]0 1 2 3 ... 127  
  15          //[7]0 1 2 3 ... 127         
  16          void delay_ms(unsigned int ms)
  17          {                         
  18   1        unsigned int a;
  19   1        while(ms)
  20   1        {
  21   2          a=1800;
  22   2          while(a--);
  23   2          ms--;
  24   2        }
  25   1        return;
  26   1      }
  27          #if OLED_MODE==1
              //向SSD1106写入一个字节。
              //dat:要写入的数据/命令
              //cmd:数据/命令标志 0,表示命令;1,表示数据;
              void OLED_WR_Byte(u8 dat,u8 cmd)
              {
                DATAOUT(dat);     
                if(cmd)
                  OLED_DC_Set();
                else 
                  OLED_DC_Clr();       
                OLED_CS_Clr();
                OLED_WR_Clr();   
                OLED_WR_Set();
                OLED_CS_Set();    
                OLED_DC_Set();   
              }             
              #else
  45          //向SSD1306写入一个字节。
  46          //dat:要写入的数据/命令
  47          //cmd:数据/命令标志 0,表示命令;1,表示数据;
  48          void OLED_WR_Byte(u8 dat,u8 cmd)
  49          { 
  50   1        u8 i;       
  51   1        if(cmd)
  52   1          OLED_DC_Set();
  53   1        else 
  54   1          OLED_DC_Clr();      
C51 COMPILER V9.52.0.0   OLED                                                              05/03/2018 10:41:43 PAGE 2   

  55   1        OLED_CS_Clr();
  56   1        for(i=0;i<8;i++)
  57   1        {       
  58   2          OLED_SCLK_Clr();
  59   2          if(dat&0x80)
  60   2            {
  61   3             OLED_SDIN_Set();
  62   3            }
  63   2      else
  64   2             OLED_SDIN_Clr();
  65   2              OLED_SCLK_Set();
  66   2          dat<<=1;   
  67   2        }             
  68   1        OLED_CS_Set();
  69   1        OLED_DC_Set();      
  70   1      } 
  71          #endif
  72            void OLED_Set_Pos(unsigned char x, unsigned char y) 
  73          { 
  74   1        OLED_WR_Byte(0xb0+y,OLED_CMD);
  75   1        OLED_WR_Byte((((x+2)&0xf0)>>4)|0x10,OLED_CMD);
  76   1        OLED_WR_Byte(((x+2)&0x0f),OLED_CMD); 
  77   1      }         
  78          //开启OLED显示    
  79          void OLED_Display_On(void)
  80          {
  81   1        OLED_WR_Byte(0X8D,OLED_CMD);  //SET DCDC命令
  82   1        OLED_WR_Byte(0X14,OLED_CMD);  //DCDC ON
  83   1        OLED_WR_Byte(0XAF,OLED_CMD);  //DISPLAY ON
  84   1      }
  85          //关闭OLED显示     
  86          void OLED_Display_Off(void)
  87          {
  88   1        OLED_WR_Byte(0X8D,OLED_CMD);  //SET DCDC命令
  89   1        OLED_WR_Byte(0X10,OLED_CMD);  //DCDC OFF
  90   1        OLED_WR_Byte(0XAE,OLED_CMD);  //DISPLAY OFF
  91   1      }            
  92          //清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!    
  93          void OLED_Clear(void)  
  94          {  
  95   1        u8 i,n;       
  96   1        for(i=0;i<8;i++)  
  97   1        {  
  98   2          OLED_WR_Byte (0xb0+i,OLED_CMD);    //设置页地址（0~7）
  99   2          OLED_WR_Byte (0x02,OLED_CMD);      //设置显示位置—列低地址
 100   2          OLED_WR_Byte (0x10,OLED_CMD);      //设置显示位置—列高地址   
 101   2          for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA); 
 102   2        } //更新显示
 103   1      }
 104          
 105          
 106          //在指定位置显示一个字符,包括部分字符
 107          //x:0~127
 108          //y:0~63
 109          //mode:0,反白显示;1,正常显示         
 110          //size:选择字体 16/12 
 111          void OLED_ShowChar(u8 x,u8 y,u8 chr)
 112          {       
 113   1        unsigned char c=0,i=0;  
 114   1          c=chr-' ';//得到偏移后的值      
 115   1          if(x>Max_Column-1){x=0;y=y+2;}
 116   1          if(SIZE ==16)
C51 COMPILER V9.52.0.0   OLED                                                              05/03/2018 10:41:43 PAGE 3   

 117   1            {
 118   2            OLED_Set_Pos(x,y);  
 119   2            for(i=0;i<8;i++)
 120   2            OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
 121   2            OLED_Set_Pos(x,y+1);
 122   2            for(i=0;i<8;i++)
 123   2            OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);
 124   2            }
 125   1            else {  
 126   2              OLED_Set_Pos(x,y+1);
 127   2              for(i=0;i<6;i++)
 128   2              OLED_WR_Byte(F6x8[c][i],OLED_DATA);
 129   2              
 130   2            }
 131   1      }
 132          //m^n函数
 133          u32 oled_pow(u8 m,u8 n)
 134          {
 135   1        u32 result=1;  
 136   1        while(n--)result*=m;    
 137   1        return result;
 138   1      }         
 139          //显示2个数字
 140          //x,y :起点坐标  
 141          //len :数字的位数
 142          //size:字体大小
 143          //mode:模式 0,填充模式;1,叠加模式
 144          //num:数值(0~4294967295);       
 145          void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
 146          {           
 147   1        u8 t,temp;
 148   1        u8 enshow=0;               
 149   1        for(t=0;t<len;t++)
 150   1        {
 151   2          temp=(num/oled_pow(10,len-t-1))%10;
 152   2          if(enshow==0&&t<(len-1))
 153   2          {
 154   3            if(temp==0)
 155   3            {
 156   4              OLED_ShowChar(x+(size2/2)*t,y,' ');
 157   4              continue;
 158   4            }else enshow=1; 
 159   3             
 160   3          }
 161   2          OLED_ShowChar(x+(size2/2)*t,y,temp+'0'); 
 162   2        }
 163   1      } 
 164          //显示一个字符号串
 165          void OLED_ShowString(u8 x,u8 y,u8 *chr)
 166          {
 167   1        unsigned char j=0;
 168   1        while (chr[j]!='\0')
 169   1        {   OLED_ShowChar(x,y,chr[j]);
 170   2            x+=8;
 171   2          if(x>120){x=0;y+=2;}
 172   2            j++;
 173   2        }
 174   1      }
 175          //显示汉字
 176          void OLED_ShowCHinese(u8 x,u8 y,u8 no)
 177          {               
 178   1        u8 t,adder=0;
C51 COMPILER V9.52.0.0   OLED                                                              05/03/2018 10:41:43 PAGE 4   

 179   1        OLED_Set_Pos(x,y);  
 180   1          for(t=0;t<16;t++)
 181   1          {
 182   2              OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
 183   2              adder+=1;
 184   2           }  
 185   1          OLED_Set_Pos(x,y+1);  
 186   1          for(t=0;t<16;t++)
 187   1            { 
 188   2              OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);
 189   2              adder+=1;
 190   2            }         
 191   1      }
 192          /***********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****************
             -*/
 193          void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[
             -])
 194          {   
 195   1       unsigned int j=0;
 196   1       unsigned char x,y;
 197   1        
 198   1        if(y1%8==0) y=y1/8;      
 199   1        else y=y1/8+1;
 200   1        for(y=y0;y<y1;y++)
 201   1        {
 202   2          OLED_Set_Pos(x0,y);
 203   2          for(x=x0;x<x1;x++)
 204   2            {      
 205   3              OLED_WR_Byte(BMP[j++],OLED_DATA);       
 206   3            }
 207   2        }
 208   1      } 
 209          
 210          
 211          //初始化SSD1306             
 212          void OLED_Init(void)
 213          {
 214   1       
 215   1      
 216   1       
 217   1        OLED_RST_Set();
 218   1        delay_ms(100);
 219   1        OLED_RST_Clr();
 220   1        delay_ms(100);
 221   1        OLED_RST_Set(); 
 222   1        /*          
 223   1        OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel
 224   1        OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
 225   1        OLED_WR_Byte(0x10,OLED_CMD);//---set high column address
 226   1        OLED_WR_Byte(0x40,OLED_CMD);//--set start line address  Set Mapping RAM Display Start Line (0x00~0x3F)
 227   1        OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register
 228   1        OLED_WR_Byte(0xCF,OLED_CMD); // Set SEG Output Current Brightness
 229   1        OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping     0xa0左右反置 0xa1正常
 230   1        OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction   0xc0上下反置 0xc8正常
 231   1        OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display
 232   1        OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
 233   1        OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty
 234   1        OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
 235   1        OLED_WR_Byte(0x00,OLED_CMD);//-not offset
 236   1        OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency
 237   1        OLED_WR_Byte(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec
 238   1        OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period
C51 COMPILER V9.52.0.0   OLED                                                              05/03/2018 10:41:43 PAGE 5   

 239   1        OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
 240   1        OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration
 241   1        OLED_WR_Byte(0x12,OLED_CMD);
 242   1        OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh
 243   1        OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level
 244   1        OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02)
 245   1        OLED_WR_Byte(0x02,OLED_CMD);//
 246   1        OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable
 247   1        OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable
 248   1        OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)
 249   1        OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7) 
 250   1        OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel
 251   1        */
 252   1      
 253   1        OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel
 254   1        OLED_WR_Byte(0x02,OLED_CMD);//---set low column address
 255   1        OLED_WR_Byte(0x10,OLED_CMD);//---set high column address
 256   1        OLED_WR_Byte(0x40,OLED_CMD);//--set start line address  Set Mapping RAM Display Start Line (0x00~0x3F)
 257   1        OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register
 258   1        OLED_WR_Byte(0xCF,OLED_CMD); // Set SEG Output Current Brightness
 259   1        OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping     0xa0左右反置 0xa1正常
 260   1        OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction   0xc0上下反置 0xc8正常
 261   1        OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display
 262   1        OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
 263   1        OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty
 264   1        OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
 265   1        OLED_WR_Byte(0x00,OLED_CMD);//-not offset
 266   1        OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency
 267   1        OLED_WR_Byte(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec
 268   1        OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period
 269   1        OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
 270   1        OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration
 271   1        OLED_WR_Byte(0x12,OLED_CMD);
 272   1        OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh
 273   1        OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level
 274   1        OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02)
 275   1        OLED_WR_Byte(0x02,OLED_CMD);//
 276   1        OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable
 277   1        OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable
 278   1        OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)
 279   1        OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7) 
 280   1        OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel
 281   1        
 282   1        OLED_WR_Byte(0xAF,OLED_CMD); /*display ON*/ 
 283   1        OLED_Clear();
 284   1        OLED_Set_Pos(0,0);  
 285   1      }  
 286          
*** WARNING C294 IN LINE 126 OF SRC\oled.c: unreachable code


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    834    ----
   CONSTANT SIZE    =   2520    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      27
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)