usbconfigurationdescriptor.lst

本代bootloader通过usb下载代码首先存放在sdram中

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#                                                       24/Apr/2009  16:18:15 #
# IAR ARM ANSI C/C++ Compiler V5.11.0.20622/W32 EVALUATION                    #
# Copyright 1999-2007 IAR Systems. All rights reserved.                       #
#                                                                             #
#    Cpu mode     =  arm                                                      #
#    Endian       =  little                                                   #
#    Source file  =  D:\basic-dataflash-project-at91sam7se-ek\at91lib\usb\com #
#                    mon\core\USBConfigurationDescriptor.c                    #
#    Command line =  D:\basic-dataflash-project-at91sam7se-ek\at91lib\usb\com #
#                    mon\core\USBConfigurationDescriptor.c -D at91sam7se512   #
#                    -D sram -D TRACE_LEVEL=4 -lC                             #
#                    D:\basic-dataflash-project-at91sam7se-ek\at91sam7se-ek\b #
#                    asic-dataflash-project\ewp\at91sam7se512_sram\List\      #
#                    --remarks --diag_suppress Pe826,Pe1375 -o                #
#                    D:\basic-dataflash-project-at91sam7se-ek\at91sam7se-ek\b #
#                    asic-dataflash-project\ewp\at91sam7se512_sram\Obj\       #
#                    --no_cse --no_unroll --no_inline --no_code_motion        #
#                    --no_tbaa --no_clustering --no_scheduling --debug        #
#                    --endian little --cpu ARM7TDMI -e --fpu None             #
#                    --dlib_config "D:\Program Files\arm\ARM\INC\DLib_Config_ #
#                    Full.h" -I D:\basic-dataflash-project-at91sam7se-ek\at91 #
#                    sam7se-ek\basic-dataflash-project\ewp\..\..\..\at91lib/p #
#                    eripherals\ -I D:\basic-dataflash-project-at91sam7se-ek\ #
#                    at91sam7se-ek\basic-dataflash-project\ewp\..\..\..\at91l #
#                    ib\ -I D:\basic-dataflash-project-at91sam7se-ek\at91sam7 #
#                    se-ek\basic-dataflash-project\ewp\..\..\..\at91lib/memor #
#                    ies\ -I D:\basic-dataflash-project-at91sam7se-ek\at91sam #
#                    7se-ek\basic-dataflash-project\ewp\..\..\..\at91lib/boar #
#                    ds/at91sam7se-ek\ -I "D:\Program Files\arm\ARM\INC\"     #
#                    --interwork --cpu_mode arm -Oh                           #
#    List file    =  D:\basic-dataflash-project-at91sam7se-ek\at91sam7se-ek\b #
#                    asic-dataflash-project\ewp\at91sam7se512_sram\List\USBCo #
#                    nfigurationDescriptor.lst                                #
#    Object file  =  D:\basic-dataflash-project-at91sam7se-ek\at91sam7se-ek\b #
#                    asic-dataflash-project\ewp\at91sam7se512_sram\Obj\USBCon #
#                    figurationDescriptor.o                                   #
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D:\basic-dataflash-project-at91sam7se-ek\at91lib\usb\common\core\USBConfigurationDescriptor.c
      1          /* ----------------------------------------------------------------------------
      2           *         ATMEL Microcontroller Software Support 
      3           * ----------------------------------------------------------------------------
      4           * Copyright (c) 2008, Atmel Corporation
      5           *
      6           * All rights reserved.
      7           *
      8           * Redistribution and use in source and binary forms, with or without
      9           * modification, are permitted provided that the following conditions are met:
     10           *
     11           * - Redistributions of source code must retain the above copyright notice,
     12           * this list of conditions and the disclaimer below.
     13           *
     14           * Atmel's name may not be used to endorse or promote products derived from
     15           * this software without specific prior written permission.
     16           *
     17           * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
     18           * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     19           * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
     20           * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
     21           * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22           * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
     23           * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
     24           * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     25           * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
     26           * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27           * ----------------------------------------------------------------------------
     28           */
     29          
     30          /*
     31              Title: USBConfigurationDescriptor implementation
     32          
     33              About: Purpose
     34                  Implementation of the USBConfigurationDescriptor class.
     35          */
     36          
     37          //-----------------------------------------------------------------------------
     38          //         Headers
     39          //-----------------------------------------------------------------------------
     40          
     41          #include "USBConfigurationDescriptor.h"
     42          
     43          //-----------------------------------------------------------------------------
     44          //         Exported functions
     45          //-----------------------------------------------------------------------------
     46          
     47          //-----------------------------------------------------------------------------
     48          /// Returns the total length of a configuration, i.e. including the 
     49          /// descriptors following it.
     50          /// \param configuration Pointer to a USBConfigurationDescriptor instance.
     51          /// \return Total length (in bytes) of the configuration.
     52          //-----------------------------------------------------------------------------

   \                                 In section .text, align 4, keep-with-next
     53          unsigned int USBConfigurationDescriptor_GetTotalLength(
     54              const USBConfigurationDescriptor *configuration)
     55          {
     56              return configuration->wTotalLength;
   \                     USBConfigurationDescriptor_GetTotalLength:
   \   00000000   0310D0E5           LDRB     R1,[R0, #+3]
   \   00000004   0220D0E5           LDRB     R2,[R0, #+2]
   \   00000008   010482E1           ORR      R0,R2,R1, LSL #+8
   \   0000000C   1EFF2FE1           BX       LR               ;; return
     57          }
     58          
     59          //-----------------------------------------------------------------------------
     60          /// Returns the number of interfaces in a configuration.
     61          /// \param configuration Pointer to a USBConfigurationDescriptor instance.
     62          /// \return Number of interfaces in configuration.
     63          //-----------------------------------------------------------------------------

   \                                 In section .text, align 4, keep-with-next
     64          unsigned char USBConfigurationDescriptor_GetNumInterfaces(
     65              const USBConfigurationDescriptor *configuration)
     66          {
     67              return configuration->bNumInterfaces;
   \                     USBConfigurationDescriptor_GetNumInterfaces:
   \   00000000   0400D0E5           LDRB     R0,[R0, #+4]
   \   00000004   1EFF2FE1           BX       LR               ;; return
     68          }
     69          
     70          //-----------------------------------------------------------------------------
     71          /// Indicates if the device is self-powered when in a given configuration.
     72          /// \param configuration Pointer to a USBConfigurationDescriptor instance.
     73          /// \return 1 if the device is self-powered when in the given configuration;
     74          ///         otherwise 0.
     75          //-----------------------------------------------------------------------------

   \                                 In section .text, align 4, keep-with-next
     76          unsigned char USBConfigurationDescriptor_IsSelfPowered(
     77              const USBConfigurationDescriptor *configuration)
     78          {
     79              if ((configuration->bmAttributes & (1 << 6)) != 0) {
   \                     USBConfigurationDescriptor_IsSelfPowered:
   \   00000000   0700D0E5           LDRB     R0,[R0, #+7]
   \   00000004   400010E3           TST      R0,#0x40
   \   00000008   0000A003           MOVEQ    R0,#+0
     80          
     81                  return 1;
   \   0000000C   0100A013           MOVNE    R0,#+1
   \   00000010   1EFF2FE1           BX       LR
     82              }
     83              else {
     84          
     85                  return 0;
     86              }
     87          }
     88          
     89          //-----------------------------------------------------------------------------
     90          /// Parses the given Configuration descriptor (followed by relevant
     91          /// interface, endpoint and class-specific descriptors) into three arrays.
     92          /// *Each array must have its size equal or greater to the number of
     93          /// descriptors it stores plus one*. A null-value is inserted after the last
     94          /// descriptor of each type to indicate the array end.