mainloop.lst

KeilC51下的USB的slave设备源码,MCS51开发.

C51 COMPILER V7.06   MAINLOOP                                                              06/23/2003 11:17:00 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE MAINLOOP
OBJECT MODULE PLACED IN Mainloop.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE Mainloop.c OPTIMIZE(2,SPEED) DEBUG OBJECTEXTEND

stmt level    source

   1          /*
   2             //*************************************************************************
   3             //
   4             //                           ZLGMCU
   5             //                           www.zlgmcu.com
   6             // File Name:        mainloop.C
   7             // Revision:         0.4(2002-07-08)
   8             // Author:           Liu Ying Bin
   9             // Use library:  USB51S.LIB
  10             // Note:                     USB51S.LIB不带DMA控制功能
  11             //*************************************************************************
  12             */
  13          
  14          
  15          #include <stdio.h>
  16          #include <string.h>
  17          #include <reg51.h>                /* special function register declarations   */
  18          #include "mainloop.h"
  19          #include "isr.h"
  20          #include "protozlg.h"
  21          
  22          /*
  23          //*************************************************************************
  24          //  Public static data
  25          //*************************************************************************
  26          */
  27          
  28          extern EPPFLAGS bEPPflags;
  29          extern unsigned char idata GenEpBuf[];
  30          extern unsigned char idata EpBuf[];
  31          extern unsigned int data d12_addr;
  32          
  33          extern unsigned int data D12_DATA;
  34          extern unsigned int data D12_COMMAND;
  35          
  36          
  37          sfr CKCON = 0x8F;//87C52x2用
  38          //sbit clksel = P2^0;
  39          sbit test_bit = P2^0;
  40          
  41          //D12中断服务
  42          usb_isr() interrupt 0
  43          {
  44   1              DISABLE;
  45   1              fn_usb_isr();//调用D12中断服务子程序
  46   1              test_bit = ~ test_bit;
  47   1              ENABLE;
  48   1      }
  49          
  50          void main(void)
  51          {
  52   1              P0 = 0xFF;//初始化I/O口
  53   1              P1 = 0xFF;
  54   1              P2 = 0xFF;
  55   1              P3 = 0xFF;
C51 COMPILER V7.06   MAINLOOP                                                              06/23/2003 11:17:00 PAGE 2   

  56   1      
  57   1      //      CKCON = 0x00;
  58   1              CKCON = 0x01;
  59   1      
  60   1      //      if(clksel == 1)
  61   1      //              CKCON = CKCON | 0x01;
  62   1      
  63   1              D12_DATA = 0xff02;                      //定义数据地址
  64   1              D12_COMMAND = 0xff03;           //定义命令地址
  65   1      
  66   1      
  67   1              MCU_D12CS = 0x0;
  68   1              D12SUSPD = 0x0;
  69   1      
  70   1              IT0 = 0;//初始化中断
  71   1              EX0 = 1;
  72   1              PX0 = 0;
  73   1              EA = 1;
  74   1      
  75   1              MCU_D12CS = 0x1;
  76   1              MCU_D12CS = 0x0;
  77   1              D12_SetDMA(0x0);
  78   1              bEPPflags.value = 0;
  79   1      
  80   1              reconnect_USB();//联接USB总线
  81   1      
  82   1              /* Main program loop */
  83   1              while( TRUE ){
  84   2                      if(bEPPflags.bits.configuration)
  85   2                              check_key_LED();//连接正常,调用按键和LED控制处理
  86   2      
  87   2                      usbserve();//USB服务数据处理
  88   2      
  89   2              } // Main Loop
  90   1      }
  91          
  92          void check_key_LED(void)
  93          {
  94   1              static unsigned char c, last_key = 0xf;
  95   1      
  96   1              c = MCU_SWM0 & MCU_SWM1;
  97   1              c &= 0x0f;
  98   1              if (c != last_key) {
  99   2                      D12_WriteEndpoint(3, 1, &c);//按键状态改变,发送信息给主机
 100   2              }
 101   1              last_key = c;
 102   1      
 103   1              if(bEPPflags.bits.ep1_rxdone) {
 104   2                      DISABLE;//接收到主机发来的LED控制信息
 105   2                      bEPPflags.bits.ep1_rxdone = 0;
 106   2                      ENABLE;
 107   2                      MCU_LED0 = !(GenEpBuf[3] & 0x1);//控制LED状态
 108   2                      MCU_LED1 = !(GenEpBuf[3] & 0x2);
 109   2              }
 110   1      }
 111          
 112          
 113          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    214    ----
C51 COMPILER V7.06   MAINLOOP                                                              06/23/2003 11:17:00 PAGE 3   

   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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