fio.lst

LPC214X系列ARM在KEIL编译环境下的所以例程

ARM COMPILER V2.53,  fio                                                                   23/07/06  08:29:51  PAGE 1   


ARM COMPILER V2.53, COMPILATION OF MODULE fio
OBJECT MODULE PLACED IN .\Obj\fio.obj
COMPILER INVOKED BY: g:\Keil\ARM\BIN\CA.exe fio.c THUMB INCDIR(..\Common\inc) DEBUG PRINT(.\LST\FIO.LST) TABS(4) OBJECT(
                    -.\Obj\fio.obj) 

stmt  level    source

    1          /*****************************************************************************
    2           *   fio.c:  Fast I/O module file for Philips LPC214x Family Microprocessors
    3           *
    4           *   Copyright(C) 2006, Philips Semiconductor
    5           *   All rights reserved.
    6           *
    7           *   History
    8           *   2005.10.01  ver 1.00    Prelimnary version, first Release
    9           *
   10          ******************************************************************************/
   11          #include "LPC214x.H"                        /* LPC21xx definitions */
   12          #include "type.h"
   13          #include "irq.h"
   14          #include "timer.h"
   15          #include "fio.h"
   16          
   17          /*****************************************************************************
   18          ** Function name:       GPIOInit
   19          **
   20          ** Descriptions:        initialize GPIO port
   21          **
   22          ** parameters:          port type, Fast I/O or regular GPIO
   23          ** Returned value:      None
   24          ** 
   25          *****************************************************************************/
   26          void GPIOInit( DWORD PortType )
   27          {
   28   1          if ( PortType == FAST_PORT )
   29   1          {
   30   2          SCS |= (GPIO0M | GPIO1M);   /* set GPIOx to use Fast I/O */
   31   2          FIO1DIR = 0x00FF0000;
   32   2          FIO1CLR = 0x00FF0000;
   33   2          }
   34   1          else
   35   1          {
   36   2          SCS = 0;            /* set GPIOx to use regular I/O */
   37   2          IODIR1 = 0x00FF0000;        /* P1.16..23 defined as Outputs */
   38   2          IOCLR1 = 0x00FF0000;        /* turn off LEDs */
   39   2          }
   40   1          return;
   41   1      }
   42          
   43          /*********************************************************************************
   44          **                            End Of File
   45          *********************************************************************************/
ARM COMPILER V2.53,  fio                                                                   23/07/06  08:29:51  PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE



*** PUBLICS:
 PUBLIC         GPIOInit?T



*** CODE SEGMENT '?PR?GPIOInit?T?fio':
   26: void GPIOInit( DWORD PortType )
 00000000  1C01      MOV         R1,R0 ; PortType
 00000002  ---- Variable 'PortType' assigned to Register 'R1' ----
   28:     if ( PortType == FAST_PORT )
 00000002  1C08      MOV         R0,R1 ; PortType
 00000004  2801      CMP         R0,#0x1 ; PortType
 00000006  D10A      BNE         L_1  ; T=0x0000001E
   30:     SCS |= (GPIO0M | GPIO1M);   /* set GPIOx to use Fast I/O */
 00000008  2203      MOV         R2,#0x3
 0000000A  4800      LDR         R0,=0xE01FC1A0
 0000000C  6801      LDR         R1,[R0,#0x0]
 0000000E  4311      ORR         R1,R2
 00000010  6001      STR         R1,[R0,#0x0]
   31:     FIO1DIR = 0x00FF0000;
 00000012  4800      LDR         R1,=0xFF0000
 00000014  4800      LDR         R0,=0x3FFFC020
 00000016  6001      STR         R1,[R0,#0x0]
   32:     FIO1CLR = 0x00FF0000;
 00000018  4800      LDR         R0,=0x3FFFC03C
 0000001A  6001      STR         R1,[R0,#0x0]
   33:     }
 0000001C  E007      B           L_2  ; T=0x0000002E
 0000001E          L_1:
   36:     SCS = 0;            /* set GPIOx to use regular I/O */
 0000001E  2100      MOV         R1,#0x0
 00000020  4800      LDR         R0,=0xE01FC1A0
 00000022  6001      STR         R1,[R0,#0x0]
   37:     IODIR1 = 0x00FF0000;        /* P1.16..23 defined as Outputs */
 00000024  4800      LDR         R1,=0xFF0000
 00000026  4800      LDR         R0,=0xE0028018
 00000028  6001      STR         R1,[R0,#0x0]
   38:     IOCLR1 = 0x00FF0000;        /* turn off LEDs */
 0000002A  4800      LDR         R0,=0xE002801C
 0000002C  6001      STR         R1,[R0,#0x0]
   39:     }
 0000002E          L_2:
   41: }
 0000002E  4770      BX          R14
 00000030          ENDP ; 'GPIOInit?T'



Module Information          Static
----------------------------------
  code size            =    ------
  data size            =    ------
  const size           =    ------
End of Module Information.


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