blinky.lst

LPC2148参考程序

ARM COMPILER V2.53,  blinky                                                                22/07/06  14:52:45  PAGE 1   


ARM COMPILER V2.53, COMPILATION OF MODULE blinky
OBJECT MODULE PLACED IN blinky.OBJ
COMPILER INVOKED BY: d:\Keil\ARM\BIN\CA.exe blinky.c THUMB BROWSE DEBUG TABS(4) 

stmt  level    source

    1          #include <LPC214x.H>                       /* LPC214x definitions  */
    2          
    3          const unsigned int  LED=(1<<24);          //P1.24控制LED,低电平点亮
    4          
    5          /******长延时********/
    6          void DelayNS(unsigned int  dly )
    7          {
    8   1          unsigned int  i;
    9   1          for(;dly>0;dly--)
   10   1              for(i=0;i<50000;i++);
   11   1      }
   12          
   13          
   14          int main (void)
   15          {
   16   1          
   17   1          PINSEL2=PINSEL2&(~0x08);
   18   1          IO1DIR=LED;
   19   1          
   20   1          while(1)
   21   1          {
   22   2      
   23   2                  IO1SET=LED;
   24   2                  DelayNS(50);
   25   2                  IO1CLR=LED;
   26   2                  DelayNS(50);
   27   2      
   28   2          }
   29   1          return 0;
   30   1      }
ARM COMPILER V2.53,  blinky                                                                22/07/06  14:52:45  PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE



*** EXTERNALS:
 EXTERN NUMBER (__startup)



*** PUBLICS:
 PUBLIC         DelayNS?T
 PUBLIC         main
 PUBLIC         LED



*** DATA SEGMENT '?CON?blinky':
 00000000          LED:
 00000000           BEGIN_INIT
 00000000  01000000  DD          0x1000000
 00000004           END_INIT



*** CODE SEGMENT '?PR?DelayNS?T?blinky':
    6: void DelayNS(unsigned int  dly )
 00000000  ---- Variable 'dly' assigned to Register 'R0' ----
    7: {
 00000000            ; SCOPE-START
    9:     for(;dly>0;dly--)
 00000000  E006      B           L_3  ; T=0x00000010
   10:         for(i=0;i<50000;i++);
 00000002          L_10:
 00000002  2100      MOV         R1,#0x0
 00000004  ---- Variable 'i' assigned to Register 'R1' ----
 00000004          L_6:
 00000004  3101      ADD         R1,#0x1
 00000006  1C0A      MOV         R2,R1 ; i
 00000008  4800      LDR         R3,=0xC350
 0000000A  429A      CMP         R2,R3 ; i
 0000000C  D3FA      BCC         L_6  ; T=0x00000004
 0000000E  3801      SUB         R0,#0x1
 00000010          L_3:
 00000010  1C01      MOV         R1,R0 ; dly
 00000012  2900      CMP         R1,#0x0 ; dly
 00000014  D8F5      BHI         L_10  ; T=0x00000002
 00000016            ; SCOPE-END
   11: }
 00000016  4770      BX          R14
 00000018          ENDP ; 'DelayNS?T'


*** CODE SEGMENT '?PR?main?blinky':
   14: int main (void)
 00000000  B500      PUSH        {LR}
   17:     PINSEL2=PINSEL2&(~0x08);
 00000002  4800      LDR         R0,=0xE002C014
 00000004  6801      LDR         R1,[R0,#0x0]
 00000006  2008      MOV         R0,#0x8
 00000008  4381      BIC         R1,R0
 0000000A  4800      LDR         R0,=0xE002C014
 0000000C  6001      STR         R1,[R0,#0x0]
   18:     IO1DIR=LED;
 0000000E  4800      LDR         R0,=LED ; LED
 00000010  6801      LDR         R1,[R0,#0x0] ; LED
 00000012  4800      LDR         R0,=0xE0028018
 00000014  6001      STR         R1,[R0,#0x0]
   20:     while(1)
 00000016          L_13:
   23:             IO1SET=LED;
 00000016  4800      LDR         R0,=LED ; LED
 00000018  6801      LDR         R1,[R0,#0x0] ; LED
 0000001A  4800      LDR         R0,=0xE0028014
 0000001C  6001      STR         R1,[R0,#0x0]
   24:             DelayNS(50);
ARM COMPILER V2.53,  blinky                                                                22/07/06  14:52:45  PAGE 3   

 0000001E  2032      MOV         R0,#0x32
 00000020  F7FF      BL          DelayNS?T  ; T=0x0001  (1)
 00000022  FFEE      BL          DelayNS?T  ; T=0x0001  (2)
   25:             IO1CLR=LED;
 00000024  4800      LDR         R0,=LED ; LED
 00000026  6801      LDR         R1,[R0,#0x0] ; LED
 00000028  4800      LDR         R0,=0xE002801C
 0000002A  6001      STR         R1,[R0,#0x0]
   26:             DelayNS(50);
 0000002C  2032      MOV         R0,#0x32
 0000002E  F7FF      BL          DelayNS?T  ; T=0x0001  (1)
 00000030  FFE7      BL          DelayNS?T  ; T=0x0001  (2)
   28:     }
 00000032  E7F0      B           L_13  ; T=0x00000016
 00000034  BC08      POP         {R3}
 00000036  4718      BX          R3
 00000038          ENDP ; 'main'



Module Information          Static
----------------------------------
  code size            =    ------
  data size            =    ------
  const size           =         4
End of Module Information.


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