ubuntu 8051 数码管

/**
　　代码功能：
　　　　使数码管动态显示数字，并以十进制进位（计数）
　　软件环境：
　　　　ubuntu+sdcc+sublime+stcflash.py
　　硬件环境：
　　　　普中V2.0 51单片机开发板
*/
  1 #include "8051.h"
  2 typedef unsigned char u8;
  3 typedef unsigned int u16;
  4 u8 smgduan[]= {
  5 /*0        1      2        3      4        5      6        7 */
  6 0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07,
  7 /*8        9     A        B     C        D     E        F */
  8 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71};
  9 
 10 // P0口为数码管的位选的8位输入引脚
 11 // P0 = 0x00;
 12 
 13 
 14 void Delayms(u16 ms);
 15 void shumaguan(u8 n);
 16 void DigDisplay();
 17 
 18 void main()
 19 {
 20     while (1)
 21     {
 22         DigDisplay();
 23     }
 24 }
 25 
 26 
 27 void Delayms(u16 ms)
 28 {
 29     unsigned int i, j;
 30     for(i = ms; i > 0; i--)
 31         for(j = 110; j > 0; j--);
 32     return;
 33 }
 34 
 35 void shumaguan(u8 n)
 36 {
 37     switch(n)
 38     {
 39         case 0:
 40             LSA = 0;LSB = 0;LSC = 0;break;
 41         case 1:
 42             LSA = 1;LSB = 0;LSC = 0;break;
 43         case 2:
 44             LSA = 0;LSB = 1;LSC = 0;break;
 45         case 3:
 46             LSA = 1;LSB = 1;LSC = 0;break;
 47         case 4:
 48             LSA = 0;LSB = 0;LSC = 1;break;
 49         case 5:
 50             LSA = 1;LSB = 0;LSC = 1;break;
 51         case 6:
 52             LSA = 0;LSB = 1;LSC = 1;break;
 53         case 7:
 54             LSA = 1;LSB = 1;LSC = 1;break;
 55     }
 56 }
 57 
 58 void DigDisplay()
 59 {
 60     u8 i1 = 0;
 61     u8 i2 = 0;
 62     u8 i3 = 0;
 63     u8 i4 = 0;
 64     u8 i5 = 0;
 65     u8 i6 = 0;
 66     u8 i7 = 0;
 67     u8 i8 = 0;
 68     
 69 
 70 
 71 
 72     for (i8 = 0; i8 < 10; i8++)
 73         for (i7 = 0; i7 < 10; i7++)
 74             for (i6 = 0; i6 < 10; i7++)
 75                 for (i5 = 0; i5 < 10; i5++)
 76                     for (i4 = 0; i4 < 10; i4++)
 77                         for (i3 = 0; i3 < 10; i3++)
 78                             for (i2 = 0; i2 < 10; i2++)
 79                                 for (i1 = 0; i1 < 10; i1++)
 80                                 {
 81                                     u16 cnt = 10;
 82                                     while (cnt--)
 83                                     {
 84                                         shumaguan(0);       //选中第一个数码管
 85                                         P0 = smgduan[i1];   //给他送一个数字
 86                                         Delayms(1);         //稍微延时一下下
 87                                         shumaguan(1);       //然后切换到第二个数码管。。。如此进行一直到最后一个数码管。。。最后再改变送入数码管的数值。。。再来一遍
 88                                         P0 = smgduan[i2];
 89                                         Delayms(1);
 90                                         shumaguan(2);
 91                                         P0 = smgduan[i3];
 92                                         Delayms(1);
 93                                         shumaguan(3);
 94                                         P0 = smgduan[i4];
 95                                         Delayms(1);
 96                                         shumaguan(4);
 97                                         P0 = smgduan[i5];
 98                                         Delayms(1);
 99                                         shumaguan(5);
100                                         P0 = smgduan[i6];
101                                         Delayms(1);
102                                         shumaguan(6);
103                                         P0 = smgduan[i7];
104                                         Delayms(1);
105                                         shumaguan(7);
106                                         P0 = smgduan[i8];
107                                         Delayms(1);
108                                         P0 = 0x00;
109                                     }
110                                 }
111 }