pd.lis

AVR单片机六路ADC采集与七段数码管显示采集值

                        .module pd.c
                        .area text(rom, con, rel)
 0000                   .dbfile f:\MYDOCU~1\AVR\test\pd.c
 0000                   .dbfunc e port_init _port_init fV
                        .even
 0000           _port_init::
 0000                   .dbline -1
 0000                   .dbline 9
 0000           ; //ICC-AVR application builder : 2008-08-28 8:30:08
 0000           ; // Target : M8
 0000           ; // Crystal: 8.0000Mhz
 0000           ; 
 0000           ; #include <iom8v.h>
 0000           ; #include <macros.h>
 0000           ; 
 0000           ; void port_init(void)
 0000           ; {
 0000                   .dbline 10
 0000           ;  PORTB = 0x00;
 0000 2224              clr R2
 0002 28BA              out 0x18,R2
 0004                   .dbline 11
 0004           ;  DDRB  = 0xFF;
 0004 8FEF              ldi R24,255
 0006 87BB              out 0x17,R24
 0008                   .dbline 12
 0008           ;  PORTC = 0x00; //m103 output only
 0008 25BA              out 0x15,R2
 000A                   .dbline 13
 000A           ;  DDRC  = 0x00;
 000A 24BA              out 0x14,R2
 000C                   .dbline 14
 000C           ;  PORTD = 0xFF;
 000C 82BB              out 0x12,R24
 000E                   .dbline 15
 000E           ;  DDRD  = 0x0F;
 000E 8FE0              ldi R24,15
 0010 81BB              out 0x11,R24
 0012                   .dbline -2
 0012           L1:
 0012                   .dbline 0 ; func end
 0012 0895              ret
 0014                   .dbend
 0014                   .dbfunc e init_devices _init_devices fV
                        .even
 0014           _init_devices::
 0014                   .dbline -1
 0014                   .dbline 20
 0014           ; }
 0014           ; 
 0014           ; //call this routine to initialize all peripherals
 0014           ; void init_devices(void)
 0014           ; {
 0014                   .dbline 23
 0014           ; 
 0014           ;  //stop errant interrupts until set up
 0014           ;  CLI(); //disable all interrupts
 0014 F894              cli
 0016                   .dbline 24
 0016           ;  port_init();
 0016 F4DF              rcall _port_init
 0018                   .dbline 26
 0018           ; 
 0018           ;  MCUCR = 0x00;
 0018 2224              clr R2
 001A 25BE              out 0x35,R2
 001C                   .dbline 27
 001C           ;  GICR  = 0x00;
 001C 2BBE              out 0x3b,R2
 001E                   .dbline 28
 001E           ;  TIMSK = 0x00; //timer interrupt sources
 001E 29BE              out 0x39,R2
 0020                   .dbline 29
 0020           ;  SEI(); //re-enable interrupts
 0020 7894              sei
 0022                   .dbline -2
 0022           L2:
 0022                   .dbline 0 ; func end
 0022 0895              ret
 0024                   .dbend
 0024                   .dbfunc e main _main fV
 0024           ;              a -> R20
                        .even
 0024           _main::
 0024                   .dbline -1
 0024                   .dbline 34
 0024           ;  //all peripherals are now initialized
 0024           ; }
 0024           ; 
 0024           ; void main()
 0024           ; { char a;
 0024                   .dbline 35
 0024           ;   init_devices();
 0024 F7DF              rcall _init_devices
 0026 0DC0              rjmp L5
 0028           L4:
 0028                   .dbline 37
 0028           ;  while(1)
 0028           ;  {      PORTD |= 0xF0;
 0028                   .dbline 37
 0028 82B3              in R24,0x12
 002A 806F              ori R24,240
 002C 82BB              out 0x12,R24
 002E                   .dbline 38
 002E           ;       a = (PIND & 0xF0);
 002E 40B3              in R20,0x10
 0030 407F              andi R20,240
 0032                   .dbline 39
 0032           ;         a = (a >> 4);
 0032 842F              mov R24,R20
 0034 8295              swap R24
 0036 8F70              andi R24,#0x0F
 0038 482F              mov R20,R24
 003A                   .dbline 40
 003A           ;         PORTB = PIND;
 003A 20B2              in R2,0x10
 003C 28BA              out 0x18,R2
 003E                   .dbline 41
 003E           ;         PORTD = (a | 0xF0);
 003E 806F              ori R24,240
 0040 82BB              out 0x12,R24
 0042                   .dbline 42
 0042           ;  }
 0042           L5:
 0042                   .dbline 36
 0042 F2CF              rjmp L4
 0044           X0:
 0044                   .dbline -2
 0044           L3:
 0044                   .dbline 0 ; func end
 0044 0895              ret
 0046                   .dbsym r a 20 c
 0046                   .dbend
 0046           ; }
 0046           ;