C51 COMPILER V7.05   LED                                                                   08/13/2007 17:41:59 PAGE 1   


C51 COMPILER V7.05, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN led.OBJ
COMPILER INVOKED BY: C:\SiLabs\MCU\IDEfiles\C51\BIN\C51.exe led.c DB OE

stmt level    source

   1          /************************************************************************************
   2          *  Copyright (c) hebut jkj
   3          *            All rights reserved.
   4          *
   5          * 文件名稱： led.C
   6          * 文件標識： none
   7          * 適用器件： C8051F020
   8          * 
   9          * 摘 要：
  10          * 
  11          * 020ek板上led的使用，由num決定第幾位，status決定狀態，參數范圍1-4，16（全部），
  12          status=1，亮；status=0，滅。
  13          *************************************************************************************/
  14          #include "MAIN.H"
  15          
  16          void Led(unsigned char num,bit status)//第幾位led，是否亮滅
  17          {
  18   1         switch (num)
  19   1            case 1:
  20   1             {
  21   2              if(status) P5&=0xf7;     //L1亮
  22   2              else   P5|=0x01;         //L1滅
  23   2             break; 
  24   2                 }
  25   1           
  26   1            case 2:
*** ERROR C172 IN LINE 26 OF LED.C: 'case': missing enclosing switch
  27   1             {
  28   2              if(status) P5&=0xfb;     //L2亮 
  29   2              else   P5|=0x01;         //L2滅
  30   2             break; 
*** ERROR C171 IN LINE 30 OF LED.C: 'break': missing enclosing loop
  31   2                 }
  32   1           
  33   1            case 3:
*** ERROR C172 IN LINE 33 OF LED.C: 'case': missing enclosing switch
  34   1             {
  35   2              if(status) P5&=0xfd;     //L3亮
  36   2              else   P5|=0x02;         //L3滅
  37   2              break;
*** ERROR C171 IN LINE 37 OF LED.C: 'break': missing enclosing loop
  38   2                 }
  39   1           
  40   1            case 4:
*** ERROR C172 IN LINE 40 OF LED.C: 'case': missing enclosing switch
  41   1             {
  42   2              if(status) P5&=0xfe;     //L4亮
  43   2              else   P5|=0x01;         //L4滅
  44   2              break;
*** ERROR C171 IN LINE 44 OF LED.C: 'break': missing enclosing loop
  45   2                 }
  46   1         
  47   1            case 16:
*** ERROR C172 IN LINE 47 OF LED.C: 'case': missing enclosing switch
  48   1             {
C51 COMPILER V7.05   LED                                                                   08/13/2007 17:41:59 PAGE 2   

  49   2              if(status) P5&=0xf0;     //全亮
  50   2              else   P5|=0x0f;         //全滅
  51   2              break;
*** ERROR C171 IN LINE 51 OF LED.C: 'break': missing enclosing loop
  52   2                 }
  53   1         
  54   1      }

C51 COMPILATION COMPLETE.  0 WARNING(S),  8 ERROR(S)