cpu_init.lis

ICC LCD波形显示子程序,采用MEGA128单片机

                        .module cpu_init.c
                        .area text(rom, con, rel)
 0000                   .dbfile D:\icc_work\LCD波形显示\cpu_init.c
 0000                   .dbfunc e port_init _port_init fV
                        .even
 0000           _port_init::
 0000                   .dbline -1
 0000                   .dbline 10
 0000           ; //ICC-AVR application builder : 2007-5-23 20:55:56
 0000           ; // Target : M128
 0000           ; // Crystal: 16.000Mhz
 0000           ; #include <iom128v.h>
 0000           ; #include <macros.h>
 0000           ; #include "all.h"
 0000           ; #define uchar unsigned char 
 0000           ; #define uint unsigned int 
 0000           ; void port_init(void)
 0000           ; {
 0000                   .dbline 11
 0000           ;  PORTA = 0x00;
 0000 2224              clr R2
 0002 2BBA              out 0x1b,R2
 0004                   .dbline 12
 0004           ;  DDRA  = 0x00;
 0004 2ABA              out 0x1a,R2
 0006                   .dbline 13
 0006           ;  PORTB = 0x00;
 0006 28BA              out 0x18,R2
 0008                   .dbline 14
 0008           ;  DDRB  = 0xff;
 0008 8FEF              ldi R24,255
 000A 87BB              out 0x17,R24
 000C                   .dbline 15
 000C           ;  PORTC = 0x00; //m103 output only
 000C 25BA              out 0x15,R2
 000E                   .dbline 16
 000E           ;  DDRC  = 0x00;
 000E 24BA              out 0x14,R2
 0010                   .dbline 17
 0010           ;  PORTD = 0x00;
 0010 22BA              out 0x12,R2
 0012                   .dbline 18
 0012           ;  DDRD  = 0x00;
 0012 21BA              out 0x11,R2
 0014                   .dbline 19
 0014           ;  PORTE = 0x00;
 0014 23B8              out 0x3,R2
 0016                   .dbline 20
 0016           ;  DDRE  = 0x00;
 0016 22B8              out 0x2,R2
 0018                   .dbline 21
 0018           ;  PORTF = 0x00;
 0018 20926200          sts 98,R2
 001C                   .dbline 22
 001C           ;  DDRF  = 0x00;
 001C 20926100          sts 97,R2
 0020                   .dbline 23
 0020           ;  PORTG = 0x00;
 0020 20926500          sts 101,R2
 0024                   .dbline 24
 0024           ;  DDRG  = 0x00;
 0024 20926400          sts 100,R2
 0028                   .dbline -2
 0028           L1:
 0028                   .dbline 0 ; func end
 0028 0895              ret
 002A                   .dbend
 002A                   .dbfunc e init_devices _init_devices fV
                        .even
 002A           _init_devices::
 002A                   .dbline -1
 002A                   .dbline 29
 002A           ; }
 002A           ; 
 002A           ; //call this routine to initialize all peripherals
 002A           ; void init_devices(void)
 002A           ; {
 002A                   .dbline 31
 002A           ;  //stop errant interrupts until set up
 002A           ;  CLI(); //disable all interrupts
 002A F894              cli
 002C                   .dbline 32
 002C           ;  XDIV  = 0x00; //xtal divider
 002C 2224              clr R2
 002E 2CBE              out 0x3c,R2
 0030                   .dbline 33
 0030           ;  XMCRA = 0x00; //external memory
 0030 20926D00          sts 109,R2
 0034                   .dbline 34
 0034           ;  port_init();
 0034 E5DF              xcall _port_init
 0036                   .dbline 35
 0036           ;  system_init();
 0036 0E940000          xcall _system_init
 003A                   .dbline 37
 003A           ;   
 003A           ;  MCUCR = 0x00;
 003A 2224              clr R2
 003C 25BE              out 0x35,R2
 003E                   .dbline 38
 003E           ;  EICRA = 0x00; //extended ext ints
 003E 20926A00          sts 106,R2
 0042                   .dbline 39
 0042           ;  EICRB = 0x00; //extended ext ints
 0042 2ABE              out 0x3a,R2
 0044                   .dbline 40
 0044           ;  EIMSK = 0x00;
 0044 29BE              out 0x39,R2
 0046                   .dbline 41
 0046           ;  TIMSK = 0x00; //timer interrupt sources
 0046 27BE              out 0x37,R2
 0048                   .dbline 42
 0048           ;  ETIMSK = 0x00; //extended timer interrupt sources
 0048 20927D00          sts 125,R2
 004C                   .dbline 43
 004C           ;  SEI(); //re-enable interrupts
 004C 7894              sei
 004E                   .dbline -2
 004E           L2:
 004E                   .dbline 0 ; func end
 004E 0895              ret
 0050                   .dbend