wdog.lst

Cortex-M4+example

###############################################################################
#                                                                             #
# IAR ANSI C/C++ Compiler V6.40.1.53790/W32 for ARM     09/Aug/2012  10:07:34 #
# Copyright 1999-2012 IAR Systems AB.                                         #
#                                                                             #
#    Cpu mode     =  thumb                                                    #
#    Endian       =  little                                                   #
#    Source file  =  C:\Users\305030973\Desktop\M4                            #
#                    example\01_light\src\Sources\C\Component_C\wdog.c        #
#    Command line =  "C:\Users\305030973\Desktop\M4                           #
#                    example\01_light\src\Sources\C\Component_C\wdog.c" -D    #
#                    IAR -D TWR_K60N512 -lCN "C:\Users\305030973\Desktop\M4   #
#                    example\01_light\bin\Flash\List\" -lB                    #
#                    "C:\Users\305030973\Desktop\M4                           #
#                    example\01_light\bin\Flash\List\" -o                     #
#                    "C:\Users\305030973\Desktop\M4                           #
#                    example\01_light\bin\Flash\Obj\" --no_cse --no_unroll    #
#                    --no_inline --no_code_motion --no_tbaa --no_clustering   #
#                    --no_scheduling --debug --endian=little --cpu=Cortex-M4  #
#                    -e --fpu=None --dlib_config "C:\Program Files\IAR        #
#                    Systems\Embedded Workbench 6.4_2\arm\INC\c\DLib_Config_N #
#                    ormal.h" -I "C:\Users\305030973\Desktop\M4               #
#                    example\01_light\src\Sources\H\" -I                      #
#                    "C:\Users\305030973\Desktop\M4                           #
#                    example\01_light\src\Sources\H\Component_H\" -I          #
#                    "C:\Users\305030973\Desktop\M4                           #
#                    example\01_light\src\Sources\H\Frame_H\" -I "C:\Program  #
#                    Files\IAR Systems\Embedded Workbench 6.4_2\arm\INC\" -I  #
#                    "C:\Program Files\IAR Systems\Embedded Workbench         #
#                    6.4_2\arm\INC\CLIB\" -Ol --use_c++_inline                #
#    List file    =  C:\Users\305030973\Desktop\M4                            #
#                    example\01_light\bin\Flash\List\wdog.lst                 #
#    Object file  =  C:\Users\305030973\Desktop\M4                            #
#                    example\01_light\bin\Flash\Obj\wdog.o                    #
#                                                                             #
#                                                                             #
###############################################################################

C:\Users\305030973\Desktop\M4 example\01_light\src\Sources\C\Component_C\wdog.c
      1          //-------------------------------------------------------------------------*
      2          // 文件名: wdog.c                                                          *
      3          // 说  明: 看门狗驱动程序文件                                              *
      4          //-------------------------------------------------------------------------*
      5          
      6          #include "wdog.h"	//包含wdog.h头文件
      7                 
      8          //-------------------------------------------------------------------------*
      9          //函数名: wdog_disable                                                     *
     10          //功  能: 关闭看门狗模块                                                   * 
     11          //参  数: 无			  					   *	
     12          //返  回: 无                                                               *
     13          //说  明: 无                                                               *
     14          //-------------------------------------------------------------------------*

   \                                 In section .text, align 2, keep-with-next
     15          void wdog_disable(void)
     16          {
   \                     wdog_disable:
   \   00000000   0xB580             PUSH     {R7,LR}
     17              //给看门狗模块解锁，以便写寄存器
     18              wdog_unlock();
   \   00000002   0x.... 0x....      BL       wdog_unlock
     19              //关闭看门狗
     20              WDOG_STCTRLH &= ~WDOG_STCTRLH_WDOGEN_MASK;
   \   00000006   0x....             LDR.N    R0,??DataTable1  ;; 0x40052000
   \   00000008   0x8800             LDRH     R0,[R0, #+0]
   \   0000000A   0xF64F 0x71FE      MOVW     R1,#+65534
   \   0000000E   0x4008             ANDS     R0,R1,R0
   \   00000010   0x....             LDR.N    R1,??DataTable1  ;; 0x40052000
   \   00000012   0x8008             STRH     R0,[R1, #+0]
     21          }
   \   00000014   0xBD01             POP      {R0,PC}          ;; return
     22          
     23          //-------------------------------------------------------------------------*
     24          //函数名: wdog_unlock                                                      *
     25          //功  能: 看门狗解锁                                                       * 
     26          //参  数: 无							           *	
     27          //返  回: 无                                                               *
     28          //说  明: 无                                                               *
     29          //-------------------------------------------------------------------------*

   \                                 In section .text, align 4, keep-with-next
     30          void wdog_unlock(void)
     31          {
     32              /* 注意: 不要单步调试此程序!!! ，否则会引起CPU复位*/
     33              //关总中断
     34              DisableInterrupts;		
   \                     wdog_unlock:
   \   00000000   0xB672             CPSID i
     35              //写解锁寄存器
     36              WDOG_UNLOCK = 0xC520;	
   \   00000002   0x....             LDR.N    R0,??DataTable1_1  ;; 0x4005200e
   \   00000004   0xF24C 0x5120      MOVW     R1,#+50464
   \   00000008   0x8001             STRH     R1,[R0, #+0]
     37              //完成解锁
     38              WDOG_UNLOCK = 0xD928;	
   \   0000000A   0x....             LDR.N    R0,??DataTable1_1  ;; 0x4005200e
   \   0000000C   0xF64D 0x1128      MOVW     R1,#+55592
   \   00000010   0x8001             STRH     R1,[R0, #+0]
     39              //开总中断
     40              EnableInterrupts;		
   \   00000012   0xB662             CPSIE i
     41          }
   \   00000014   0x4770             BX       LR               ;; return

   \                                 In section .text, align 4, keep-with-next
   \                     ??DataTable1:
   \   00000000   0x40052000         DC32     0x40052000

   \                                 In section .text, align 4, keep-with-next
   \                     ??DataTable1_1:
   \   00000000   0x4005200E         DC32     0x4005200e

   Maximum stack usage in bytes:

   .cstack Function
   ------- --------
        8  wdog_disable
             8 -> wdog_unlock
        0  wdog_unlock


   Section sizes:

   Bytes  Function/Label
   -----  --------------
       4  ??DataTable1
       4  ??DataTable1_1
      22  wdog_disable
      22  wdog_unlock

 
 52 bytes in section .text
 
 52 bytes of CODE memory

Errors: none
Warnings: none