bulkloop.lst

USB2.0芯片 cy7c68013 速度测试

C51 COMPILER V7.50   BULKLOOP                                                              08/10/2005 08:48:14 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE BULKLOOP
OBJECT MODULE PLACED IN bulkloop.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE bulkloop.c DEBUG OBJECTEXTEND

line level    source

   1          #pragma NOIV               // Do not generate interrupt vectors
   2          //-----------------------------------------------------------------------------
   3          //   File:      bulkloop.c
   4          //   Contents:   Hooks required to implement USB peripheral function.
   5          //
   6          //   Copyright (c) 2000 Cypress Semiconductor All rights reserved
   7          //-----------------------------------------------------------------------------
   8          #include "fx2.h"
   9          #include "fx2regs.h"
  10          #include "fx2sdly.h"            // SYNCDELAY macro
  11          
  12          extern BOOL GotSUD;             // Received setup data flag
  13          extern BOOL Sleep;
  14          extern BOOL Rwuen;
  15          extern BOOL Selfpwr;
  16          
  17          BYTE Configuration;             // Current configuration
  18          BYTE AlternateSetting;          // Alternate settings
  19          
  20          #define VR_NAKALL_ON    0xD0
  21          #define VR_NAKALL_OFF   0xD1
  22          
  23          //-----------------------------------------------------------------------------
  24          // Task Dispatcher hooks
  25          //   The following hooks are called by the task dispatcher.
  26          //-----------------------------------------------------------------------------
  27          
  28          void TD_Init(void)             // Called once at startup
  29          {
  30   1         // set the CPU clock to 48MHz
  31   1         CPUCS = ((CPUCS & ~bmCLKSPD) | bmCLKSPD1) ;
  32   1      
  33   1         // set the slave FIFO interface to 48MHz
  34   1       IFCONFIG |= 0x40;
  35   1      
  36   1        // Registers which require a synchronization delay, see section 15.14
  37   1        // FIFORESET        FIFOPINPOLAR
  38   1        // INPKTEND         OUTPKTEND
  39   1        // EPxBCH:L         REVCTL
  40   1        // GPIFTCB3         GPIFTCB2
  41   1        // GPIFTCB1         GPIFTCB0
  42   1        // EPxFIFOPFH:L     EPxAUTOINLENH:L
  43   1        // EPxFIFOCFG       EPxGPIFFLGSEL
  44   1        // PINFLAGSxx       EPxFIFOIRQ
  45   1        // EPxFIFOIE        GPIFIRQ
  46   1        // GPIFIE           GPIFADRH:L
  47   1        // UDMACRCH:L       EPxGPIFTRIG
  48   1        // GPIFTRIG
  49   1        
  50   1        // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well...
  51   1        //      ...these have been replaced by GPIFTC[B3:B0] registers
  52   1      
  53   1        // default: all endpoints have their VALID bit set
  54   1        // default: TYPE1 = 1 and TYPE0 = 0 --> BULK  
  55   1        // default: EP2 and EP4 DIR bits are 0 (OUT direction)
C51 COMPILER V7.50   BULKLOOP                                                              08/10/2005 08:48:14 PAGE 2   

  56   1        // default: EP6 and EP8 DIR bits are 1 (IN direction)
  57   1        // default: EP2, EP4, EP6, and EP8 are double buffered
  58   1        //
  59   1        // we are just using the default values, yes this is not necessary...
  60   1       EP1OUTCFG = 0xA0;
  61   1      //  SYNCDELAY;  
  62   1       EP1INCFG = 0xA3;
  63   1      //  SYNCDELAY;                    // see TRM section 15.14
  64   1        //EP2CFG Endpoint 2 Configuration VALID DIR TYPE1 TYPE0 SIZE 0 BUF1 BUF0
  65   1        //端点2配置，OUT，双缓冲，BULK
  66   1        //0xA0 四缓冲
  67   1        //0xA2 双缓冲
  68   1        //0xA3 三缓冲 
  69   1        SYNCDELAY; 
  70   1        EP2CFG = 0xA2;     // EP2OUT, bulk, size 512, 2x buffered
  71   1        SYNCDELAY;                       
  72   1        EP4CFG = 0x00;     // EP4 not valid
  73   1        SYNCDELAY;              
  74   1        EP6CFG = 0x00;     // EP6 not valid  
  75   1        SYNCDELAY; 
  76   1        EP8CFG = 0x00;     // EP8 not valid
  77   1          
  78   1        
  79   1        //根据端点2缓冲区数目多少来确定装载端点计数器的次数
  80   1        SYNCDELAY; 
  81   1        EP2BCL = 0x80;               
  82   1        SYNCDELAY;                    
  83   1        EP2BCL = 0x80;
  84   1      // SYNCDELAY;  
  85   1      // EP2BCL = 0x80;               
  86   1      // SYNCDELAY;                    
  87   1      // EP2BCL = 0x80;
  88   1                         
  89   1      
  90   1        // enable dual autopointer feature
  91   1        AUTOPTRSETUP |= 0x01;
  92   1      
  93   1        Rwuen = TRUE;                 // Enable remote-wakeup
  94   1      }
  95          
  96          
  97          void TD_Poll(void)              // Called repeatedly while the device is idle
  98          {
  99   1      
 100   1        WORD count;
 101   1        unsigned char temp;
 102   1        WORD i;
 103   1        if(!(EP2468STAT & bmEP2EMPTY))//ENDPOINT2非空，则开始接收数据
 104   1        { 
 105   2      /* *///////////////////////////////////////////   
 106   2              APTR1H = MSB( &EP2FIFOBUF );
 107   2              APTR1L = LSB( &EP2FIFOBUF );
 108   2      
 109   2              count = (EP2BCH << 8) + EP2BCL;
 110   2      
 111   2              // 循环将端点2中的数据取出，因为单片机指令慢，会影响测试速度
 112   2               for( i = 0x0000; i < count; i++ )
 113   2              {
 114   3                 // setup to transfer EP2OUT buffer to EP6IN buffer using AUTOPOINTER(s)
 115   3                 temp = EXTAUTODAT1;
 116   3                         
 117   3              }
C51 COMPILER V7.50   BULKLOOP                                                              08/10/2005 08:48:14 PAGE 3   

 118   2      ////////////////////////////////////本来没有