main.lst

掏美元培训得来的某外国公司推广keil ARM 和LPC2100的源码。

ARM COMPILER V2.00f,  main                                                                 20/02/05  10:41:19  PAGE 1   


ARM COMPILER V2.00f, COMPILATION OF MODULE main
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\ARM\BIN\CA.exe main.c THUMB OPTIMIZE(7,SPEED) BROWSE DEBUG TABS(4) 

stmt  level    source

    1          /************************************************************/
    2          /* PROJECT NAME: Thumb                                      */
    3          /* Project:      LPC2100 Training course                    */
    4          /* Engineer:     T Martin       [e-mail]         */
    5          /* Filename:     main.c                                     */
    6          /* Language:     C                                          */
    7          /* Compiler:     Keil ARM   V2.00b                          */
    8          /* Assembler:                                               */
    9          /*                                                          */
   10          /************************************************************/
   11          /* COPYRIGHT: Hitex UK Ltd      2005                        */
   12          /* LICENSE:   THIS VERSION CREATED FOR FREE DISTRIBUTION    */
   13          /************************************************************/
   14          /* Function:                                                */
   15          /*                                                          */
   16          /*                                                          */
   17          /*                                                          */
   18          /* Demonstrates edge capture with Timer 0                   */
   19          /*                                                          */  
   20          /* Oscillator frequency 12.000 Mhz                          */
   21          /* Target board Keil MCB2100                                */
   22          /************************************************************/
   23          
   24          #include <LPC21xx.H> 
   25          
   26          void T0isr(void)    __irq;
   27          
   28          
   29          int main(void)
   30          {
   31   1      VPBDIV      = 0x00000002;                   //Set pclk to 30 Mhz
   32   1      PINSEL0     = 0x00000020;                   //Enable pin 0.2 as capture channel0
   33   1      T0PR        = 0x0000001E;                   //Load prescaler for 1 Msec tick
   34   1      T0TCR       = 0x00000002;                   //Reset counter and prescaler
   35   1      T0CCR       = 0x00000005;                   //Capture on rising edge of channel0
   36   1      T0TCR       = 0x00000001;                   //enable timer
   37   1      
   38   1      VICVectAddr4 = (unsigned)T0isr;             //Set the timer ISR vector address
   39   1      VICVectCntl4 = 0x00000024;                  //Set channel
   40   1      VICIntEnable = 0x00000010;                  //Enable the interrupt
   41   1      
   42   1      while(1)
   43   1      {
   44   2      ;
   45   2      }
   46   1      }
   47          
   48          
   49          void T0isr (void)   __irq
   50          {
   51   1      static int value;
   52   1      value        = T0CR0;                       // read the capture value
   53   1      T0IR        |= 0x00000001;                  //Clear match 0 interrupt
   54   1      VICVectAddr  = 0x00000000;                  //Dummy write to signal end of interrupt
   55   1                                          
   56   1      }
   57          
   58          
ARM COMPILER V2.00f,  main                                                                 20/02/05  10:41:19  PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE



*** EXTERNALS:
 EXTERN NUMBER (__startup)



*** PUBLICS:
 PUBLIC         T0isr?A
 PUBLIC         main



*** DATA SEGMENT '?DT0?main':
 00000000          value:
 00000000            DS          4



*** CODE SEGMENT '?PR?main?main':
   29: int main(void)
 00000000  B500      PUSH        {LR}
   31: VPBDIV        = 0x00000002;                   //Set pclk to 30 Mhz
 00000002  2102      MOV         R1,#0x2
 00000004  4800      LDR         R0,=0xE01FC100
 00000006  7001      STRB        R1,[R0,#0x0]
   32: PINSEL0     = 0x00000020;                   //Enable pin 0.2 as capture channel0
 00000008  2120      MOV         R1,#0x20
 0000000A  4800      LDR         R0,=0xE002C000
 0000000C  6001      STR         R1,[R0,#0x0]
   33: T0PR         = 0x0000001E;                   //Load prescaler for 1 Msec tick
 0000000E  211E      MOV         R1,#0x1E
 00000010  4800      LDR         R0,=0xE000400C
 00000012  6001      STR         R1,[R0,#0x0]
   34: T0TCR         = 0x00000002;                   //Reset counter and prescaler
 00000014  2102      MOV         R1,#0x2
 00000016  4800      LDR         R0,=0xE0004004
 00000018  6001      STR         R1,[R0,#0x0]
   35: T0CCR         = 0x00000005;                   //Capture on rising edge of channel0
 0000001A  2105      MOV         R1,#0x5
 0000001C  4800      LDR         R0,=0xE0004028
 0000001E  6001      STR         R1,[R0,#0x0]
   36: T0TCR         = 0x00000001;                   //enable timer
 00000020  2101      MOV         R1,#0x1
 00000022  4800      LDR         R0,=0xE0004004
 00000024  6001      STR         R1,[R0,#0x0]
   38: VICVectAddr4 = (unsigned)T0isr;             //Set the timer ISR vector address
 00000026  4900      LDR         R1,=T0isr?A ; T0isr?A
 00000028  4800      LDR         R0,=0xFFFFF110
 0000002A  6001      STR         R1,[R0,#0x0]
   39: VICVectCntl4 = 0x00000024;                  //Set channel
 0000002C  2124      MOV         R1,#0x24
 0000002E  4800      LDR         R0,=0xFFFFF210
 00000030  6001      STR         R1,[R0,#0x0]
   40: VICIntEnable = 0x00000010;                  //Enable the interrupt
 00000032  2110      MOV         R1,#0x10
 00000034  4800      LDR         R0,=0xFFFFF010
 00000036  6001      STR         R1,[R0,#0x0]
   45: }
 00000038          L_1:
 00000038  E7FE      B           L_1  ; T=0x00000038
 0000003A  BC08      POP         {R3}
 0000003C  4718      BX          R3
 0000003E          ENDP ; 'main'


*** CODE SEGMENT '?PR?T0isr?A?main':
   49: void T0isr (void)   __irq
 00000000  E92D0003  STMDB       R13!,{R0-R1}
   52: value         = T0CR0;                       // read the capture value
 00000004  E5100000  LDR         R0,=0xE000402C
 00000008  E5901000  LDR         R1,[R0,#0x0]
 0000000C  E5100000  LDR         R0,=value ; value
ARM COMPILER V2.00f,  main                                                                 20/02/05  10:41:19  PAGE 3   

 00000010  E5801000  STR         R1,[R0,#0x0] ; value
   53: T0IR         |= 0x00000001;                  //Clear match 0 interrupt
 00000014  E5100000  LDR         R0,=0xE0004000
 00000018  E5901000  LDR         R1,[R0,#0x0]
 0000001C  E3811001  ORR         R1,R1,#0x0001
 00000020  E5801000  STR         R1,[R0,#0x0]
   54: VICVectAddr  = 0x00000000;                  //Dummy write to signal end of interrupt
 00000024  E3A01000  MOV         R1,#0x0
 00000028  E5100000  LDR         R0,=0xFFFFF030
 0000002C  E5801000  STR         R1,[R0,#0x0]
   56: }
 00000030  E8BD0003  LDMIA       R13!,{R0-R1}
 00000034  E25EF004  SUBS        R15,R14,#0x0004
 00000038          ENDP ; 'T0isr?A'



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


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