C51 COMPILER V9.60.7.0   LED                                                               03/10/2025 18:03:54 PAGE 1   


C51 COMPILER V9.60.7.0, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN .\Objects\led.obj
COMPILER INVOKED BY: D:\Keil_v5\C51\BIN\C51.EXE ..\driver\led.c OPTIMIZE(8,SPEED) BROWSE INCDIR(..\driver;..\user) DEBUG
                    - OBJECTEXTEND PRINT(.\Listings\led.lst) TABS(2) OBJECT(.\Objects\led.obj)

line level    source

   1          #include "led.h"
   2          /// @brief Led扫描
   3          /// @param addr 需要控制的Led的地址（0-7）
   4          /// @param enable 控制该地址的Led是否点亮
   5          void Led_Disp(unsigned char addr, unsigned char enable) {
   6   1        static unsigned char temp = 0x00;
   7   1        static unsigned char temp_old = 0xff;
   8   1        if (enable)
   9   1          temp |= 0x01 << addr;
  10   1        else
  11   1          temp &= ~(0x01 << addr);
  12   1        if (temp != temp_old) {
  13   2          P0 = ~temp;
  14   2          P2 = P2 & 0x1f | 0x80;
  15   2          P2 &= 0x1f;
  16   2          temp_old = temp;
  17   2        }
  18   1      }
  19          
  20          unsigned char temp_0 = 0x00;
  21          unsigned char temp_old_0 = 0xff;
  22          /// @brief 蜂鸣器控制
  23          /// @param enable
  24          void Beep(bit enable) {
  25   1        if (enable)
  26   1          temp_0 |= 0x40;
  27   1        else
  28   1          temp_0 &= ~(0x40);
  29   1        if (temp_0 != temp_old_0) {
  30   2          P0 = temp_0;
  31   2          P2 = P2 & 0x1f | 0xa0;
  32   2          P2 &= 0x1f;
  33   2          temp_old_0 = temp_0;
  34   2        }
  35   1      }
  36          /// @brief 继电器控制
  37          /// @param enable
  38          void Relay(bit enable) {
  39   1        if (enable)
  40   1          temp_0 |= 0x10;
  41   1        else
  42   1          temp_0 &= ~(0x10);
  43   1        if (temp_0 != temp_old_0) {
  44   2          P0 = temp_0;
  45   2          P2 = P2 & 0x1f | 0xa0;
  46   2          P2 &= 0x1f;
  47   2          temp_old_0 = temp_0;
  48   2        }
  49   1      }
  50          /// @brief MOTOR控制
  51          /// @param enable
  52          void MOTOR(bit enable) {
  53   1        if (enable)
  54   1          temp_0 |= 0x20;
C51 COMPILER V9.60.7.0   LED                                                               03/10/2025 18:03:54 PAGE 2   

  55   1        else
  56   1          temp_0 &= ~(0x20);
  57   1        if (temp_0 != temp_old_0) {
  58   2          P0 = temp_0;
  59   2          P2 = P2 & 0x1f | 0xa0;
  60   2          P2 &= 0x1f;
  61   2          temp_old_0 = temp_0;
  62   2        }
  63   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    163    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       3
END OF MODULE INFORMATION.


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