ecp_buttons.lst

TI EVMDM355 开发板的测试程序,包括BOOT,DDR2,NAND,SD,UART,GPIO等芯片外设的测试驱动.

###############################################################################
#                                                                             #
#     IAR Systems MSP430 Assembler V3.42A/W32  27/Jun/2007  12:47:43          #
#     Copyright 1996-2006 IAR Systems. All rights reserved.                   #
#                                                                             #
#           Target option =  MSP430                                           #
#           Source file   =  C:\Data\DM350MSP430\VA3\ECP_Buttons.s43          #
#           List file     =  C:\Data\DM350MSP430\VA3\Debug\List\ECP_Buttons.lst#
#           Object file   =  C:\Data\DM350MSP430\VA3\Debug\Obj\ECP_Buttons.r43#
#           Command line  =  C:\Data\DM350MSP430\VA3\ECP_Buttons.s43          #
#                            -OC:\Data\DM350MSP430\VA3\Debug\Obj\ -s+ -M<>    #
#                            -w+ -LC:\Data\DM350MSP430\VA3\Debug\List\ -t8    #
#                            -r -D__MSP430F155__                              #
#                            -IC:\Program Files\IAR Systems\Embedded Workbench 4.0\430\INC\ #
#                                                                             #
###############################################################################

      1    00FFF8              #include  <msp430x15x.h>
      2    00FFF8              #include "ECP.h"
      3    00FFF8              
      4    000000              EXTERN ButtonData
      5    000000              EXTERN ButtonIndex
      6    000000              EXTERN DebouncedButtonState
      7    00FFF8              
      8    00FFF8              ;PCB Pushbutton Codes
      9    00FFF8              ;SW12 = Ok = 0x000D/0x00F2
     10    00FFF8              ;SW13 = Up = 0x0020/0x00DF
     11    00FFF8              ;SW11 = Down = 0x0021/0x00DE
     12    00FFF8              ;SW14 = Left = 0x0011/0x00EE
     13    00FFF8              ;SW10 = Right = 0x0010/0x00EF
     14    00FFF8              
     15    00FFF8              
     16    00FFF8              ; Button press should be solved in 50msec.
     17    00FFF8              ; Expected bounce time is about 2msec.
     18    00FFF8              ; Sample timer at 5ms intervals and sum up 10
                                samples
     19    00FFF8              
     20    00FFF8              
     21    00FFF8                                ORG   0FFF8h                  
       ; TimerB interrupt vector
     22    00FFF8 ....                           DW    TIMERB_ISR
     23    00FFFA              
     24    000000                                RSEG BUTTON_CODE
     25    000000              ; **********************************************
                               ******************************
     26    000000              ; Function: InitButtons
     27    000000              ;
     28    000000              ; Purpose:  Initializes the pushbutton port
                                hardware
     29    000000              ;
     30    000000              ; Inputs:   None
     31    000000              ;
     32    000000              ; Returns:  None
     33    000000              ; **********************************************
                               ******************************
     34    000000              PUBLIC InitButtons
     35    000000 0412         InitButtons       push  R4                      
       ; Save Regs
     36    000002 0512                           push  R5
     37    000004 B2439201                       mov   #0xFFFF,&TBCCR0
     38    000008 34401001                       mov   #TBSSEL0+MC0,R4         
       ; ACLK, Continous
     39    00000C 34D00018                       bis   #CNTL1+CNTL0,R4         
       ; 8 bit count
     40    000010 82448001                       mov   R4,&TBCTL               
                                                                ; Write to
                                                           Timer B control
     41    000014 E2C22200                       bic.b #IR_IN,&P1DIR           
       ; Make sure IR pin is in
     42    000018 E2D22600                       bis.b #IR_IN,&P1SEL           
       ; IR in to timer
     43    00001C 34400500                       mov   #5,R4                   
       ; Loop 5 times
     44    000020 3540....                       mov   #ButtonData,R5          
                                                                         ;
                                                                    Point to
                                                                    start of
                                                                    buffer
     45    000024 B540FF000000 InitButtonCLRLoop mov   #0xFF,0(R5)             
       ; Init value
     46    00002A 1553                           add   #0x0001,R5              
       ; Increment pointer
     47    00002C 1483                           dec   R4
     48    00002E FA23                           jnz   InitButtonCLRLoop
     49    000030 C043....                       mov.b #0x00,ButtonIndex       
       ; Initialize button index
     50    000034 B2D006008001                   bis   #TBCLR+TBIE,&TBCTL      
       ; Clear timer, enable int
     51    00003A 3541                           pop   R5
     52    00003C 3441                           pop   R4
     53    00003E 3041                           ret
     54    000040                                
     55    000040 10521E01     TIMERB_ISR        add &TBIV,PC                  
                                                                 ; Add offset
                                                            to PC
     56    000044 0013                           reti                          
       ; Vector 0, no interrupt
     57    000046 0013                           reti                          
       ; Vector 2, TBCCR1 Int
     58    000048 0013                           reti                          
       ; Vector 4, TBCCR2 Int
     59    00004A 0013                           reti                          
       ; Vector 6 reserved
     60    00004C 0013                           reti                          
       ; Vector 8 reserved
     61    00004E 0013                           reti                          
       ; Vector A reserved
     62    000050 0013                           reti                          
       ; Vector C reserved
     63    000052 003C                           jmp   DebounceButton          
       ; Vector E TAIFG                  
     64    000054                                
     65    000054 0412         DebounceButton    push  R4                      
       ; Save Regs
     66    000056 0512                           push  R5
     67    000058 0612                           push  R6
     68    00005A 5440....                       mov.b ButtonIndex, R4         
                                                                          ; Get
                                                                     the
                                                                     index
     69    00005E 3540....                       mov   #ButtonData, R5         
                                                                          ; Get
                                                                     the
                                                                     array
     70    000062 0554                           add   R4,R5                   
                                                                ; Address
                                                           array[index]
     71    000064 D54234000000                   mov.b &P6IN,0(R5)             
                                                                   ; Get the
                                                              port 6 state
     72    00006A 2492                           cmp   #0x04,R4                
       ; Index = 4?
     73    00006C 0324                           jeq   RstButtonIndex          
       ; Yep, go back to 0
     74    00006E D053....                       add.b #0x01,ButtonIndex       
       ; Increment Index
     75    000072 023C                           jmp   ButtonContinue          
       ; Keep going
     76    000074 C043....     RstButtonIndex    mov.b #0x00,ButtonIndex       
       ; Reset Index to 0
     77    000078 7643         ButtonContinue    mov.b #0xFF, R6               
       ; R6 = j
     78    00007A 0443                           mov   #0x00, R4               
       ; Get the index
     79    00007C 3540....                       mov   #ButtonData, R5         
                                                                          ; Get
                                                                     the
                                                                     array
     80    000080 66F5         DebounceLoop      and.b 0(R5),R6                
                                                                  ; AND
                                                             array[index]
     81    000082 1553                           add   #0x01,R5                
       ; Increment the index
     82    000084 5453                           add.b #0x01,R4                
       ; Count loops
     83    000086 74900500                       cmp.b #0x05,R4                
       ; 5 loops?
     84    00008A 0124                           jeq   ButtonContinue2         
       ; Done?
     85    00008C F93F                           jmp   DebounceLoop
     86    00008E 76F0F800     ButtonContinue2   and.b #SW10+SW11+SW12+SW13+SW1
 4,R6  ; Mask switches
     87    000092 C046....                       mov.b R6, DebouncedButtonState
                                                                 ; Save the
                                                            switch state
     88    000096 C2461D00                       mov.b R6, &P4OUT
     89    00009A 3641                           pop   R6                      
       ; Restore Regs
     90    00009C 3541                           pop   R5
     91    00009E 3441                           pop   R4
     92    0000A0 0013                           reti                          
       ; That's it
     93    0000A2                                
     94    0000A2                                
     95    0000A2                                
     96    0000A2                          
     97    0000A2                                
     98    0000A2              
     99    0000A2              
    100    0000A2              
    101    0000A2              
    102    0000A2              
    103    0000A2                                
    104    0000A2                                END
##############################
#          CRC:93A3          #
#        Errors:   0         #
#        Warnings: 0         #
#         Bytes: 164         #
##############################