ledkey.lst

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C51 COMPILER V7.06   LEDKEY                                                                02/28/2006 10:27:39 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LEDKEY
OBJECT MODULE PLACED IN ledkey.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE ledkey.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /*用rtos编写键盘操作控制LED流水灯*/
   2          //采用52作为CPU，选择操作系统为rtx tiny
   3          //如果采用51为CPU，须修改conf_tny.a51
   4          //2003.2.24通过硬件测试
   5          #include "reg51.h"
   6          #include "intrins.h"
   7          #include <rtx51tny.h> /* RTX51 tiny functions & defines */
   8          #define uchar unsigned char
   9          #define uint unsigned int
  10          #define Init 0          //初始化
  11          #define Led  1          //LED闪烁定为任务2
  12          #define Key  2      //键盘操作定义为任务3
  13          bit     StartLedFlash;  //开始/停止LED流动
  14          bit     LeftRight;              //控制流动向左或向右
  15          void job0 (void ) _task_ Init {
  16   1      os_create_task (Led); /* start task Disp */
  17   1      os_create_task (Key);
  18   1      os_delete_task (0);
  19   1      }
  20          
  21          void LedFlash(void) _task_ Led{
  22   1              static uchar FlashLed=0xfe;
  23   1              while(1)
  24   1              {       if(StartLedFlash)
  25   2                      {
  26   3                              P1=FlashLed;
  27   3                              if(LeftRight)
  28   3                                      FlashLed=_crol_(FlashLed,1);
  29   3                              else
  30   3                                      FlashLed=_cror_(FlashLed,1);
  31   3                      }
  32   2                      os_wait(K_IVL,100,0);           //等待1秒
  33   2              }
  34   1      }
  35          void KeyValue(uchar KeyV)
  36          {       if((KeyV|0xfb)!=0xff)   //11111011 P3.2位被按下
  37   1              {       StartLedFlash=1;
  38   2              }
  39   1              else if((KeyV|0xf7)!=0xff)
  40   1              {       StartLedFlash=0;
  41   2              }
  42   1              else if((KeyV|0xef)!=0xff)
  43   1              {       LeftRight=1;
  44   2              }
  45   1              else if((KeyV|0xdf)!=0xff)
  46   1              {       LeftRight=0;
  47   2              }
  48   1      }
  49          
  50          void KeyProcess(void) _task_ Key{
  51   1              uchar tmp;
  52   1              while(1)
  53   1              {       P3|=0x3c;       //中间4位置高电平
  54   2                      tmp=P3;
  55   2                      tmp|=0xc3;      //两边4位置高电平
C51 COMPILER V7.06   LEDKEY                                                                02/28/2006 10:27:39 PAGE 2   

  56   2                      if(tmp!=0xff)
  57   2                              KeyValue(tmp);
  58   2                      os_wait(K_IVL,2,0);
  59   2              }
  60   1      }
  61          
  62          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    127    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      2    ----
END OF MODULE INFORMATION.


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