pwm.lis

16个单片机c语言实验程序

                        .module PWM.C
                        .area text(rom, con, rel)
 0000                   .dbfile D:\实验程序\PWM输出\PWM.C
 0000                   .dbfunc e port_init _port_init fV
                        .even
 0000           _port_init::
 0000                   .dbline -1
 0000                   .dbline 5
 0000           ; #include <iom16v.h>
 0000           ; #include <macros.h>
 0000           ; 
 0000           ; void port_init(void)
 0000           ; {
 0000                   .dbline 6
 0000           ;  PORTA = 0x00;
 0000 2224              clr R2
 0002 2BBA              out 0x1b,R2
 0004                   .dbline 7
 0004           ;  DDRA  = 0x00;
 0004 2ABA              out 0x1a,R2
 0006                   .dbline 8
 0006           ;  PORTB = 0x00;
 0006 28BA              out 0x18,R2
 0008                   .dbline 9
 0008           ;  DDRB  = 0x00;
 0008 27BA              out 0x17,R2
 000A                   .dbline 10
 000A           ;  PORTC = 0x00; //m103 output only
 000A 25BA              out 0x15,R2
 000C                   .dbline 11
 000C           ;  DDRC  = 0x00;
 000C 24BA              out 0x14,R2
 000E                   .dbline 12
 000E           ;  PORTD = 0xff;
 000E 8FEF              ldi R24,255
 0010 82BB              out 0x12,R24
 0012                   .dbline 13
 0012           ;  DDRD  = 0xff;
 0012 81BB              out 0x11,R24
 0014                   .dbline -2
 0014           L1:
 0014                   .dbline 0 ; func end
 0014 0895              ret
 0016                   .dbend
 0016                   .dbfunc e timer1_init _timer1_init fV
                        .even
 0016           _timer1_init::
 0016                   .dbline -1
 0016                   .dbline 21
 0016           ; }
 0016           ; 
 0016           ; //TIMER1 initialize - prescale:64
 0016           ; // WGM: 10) PWM phz correct, TOP= ICRn
 0016           ; // desired value: 1000Hz
 0016           ; // actual value: 1000.000Hz (0.0%)
 0016           ; void timer1_init(void)
 0016           ; {
 0016                   .dbline 22
 0016           ;  TCCR1B = 0x00; //stop
 0016 2224              clr R2
 0018 2EBC              out 0x2e,R2
 001A                   .dbline 23
 001A           ;  TCNT1H = 0xFF; //setup
 001A 8FEF              ldi R24,255
 001C 8DBD              out 0x2d,R24
 001E                   .dbline 24
 001E           ;  TCNT1L = 0x83;
 001E 83E8              ldi R24,131
 0020 8CBD              out 0x2c,R24
 0022                   .dbline 25
 0022           ;  OCR1AH = 0x00;
 0022 2BBC              out 0x2b,R2
 0024                   .dbline 26
 0024           ;  OCR1AL = 0x65; //占空比
 0024 85E6              ldi R24,101
 0026 8ABD              out 0x2a,R24
 0028                   .dbline 27
 0028           ;  OCR1BH = 0x00;
 0028 29BC              out 0x29,R2
 002A                   .dbline 28
 002A           ;  OCR1BL = 0x10; //占空比
 002A 80E1              ldi R24,16
 002C 88BD              out 0x28,R24
 002E                   .dbline 29
 002E           ;  ICR1H  = 0x00;
 002E 27BC              out 0x27,R2
 0030                   .dbline 30
 0030           ;  ICR1L  = 0x7D;
 0030 8DE7              ldi R24,125
 0032 86BD              out 0x26,R24
 0034                   .dbline 31
 0034           ;  TCCR1A = 0xA2;
 0034 82EA              ldi R24,162
 0036 8FBD              out 0x2f,R24
 0038                   .dbline 32
 0038           ;  TCCR1B = 0x13; //start Timer
 0038 83E1              ldi R24,19
 003A 8EBD              out 0x2e,R24
 003C                   .dbline -2
 003C           L2:
 003C                   .dbline 0 ; func end
 003C 0895              ret
 003E                   .dbend
 003E                   .dbfunc e init_devices _init_devices fV
                        .even
 003E           _init_devices::
 003E                   .dbline -1
 003E                   .dbline 37
 003E           ; }
 003E           ; 
 003E           ; //call this routine to initialize all peripherals
 003E           ; void init_devices(void)
 003E           ; {
 003E                   .dbline 39
 003E           ;  //stop errant interrupts until set up
 003E           ;  CLI(); //disable all interrupts
 003E F894              cli
 0040                   .dbline 40
 0040           ;  port_init();
 0040 DFDF              xcall _port_init
 0042                   .dbline 41
 0042           ;  timer1_init();
 0042 E9DF              xcall _timer1_init
 0044                   .dbline 43
 0044           ; 
 0044           ;  MCUCR = 0x00;
 0044 2224              clr R2
 0046 25BE              out 0x35,R2
 0048                   .dbline 44
 0048           ;  GICR  = 0x00;
 0048 2BBE              out 0x3b,R2
 004A                   .dbline 45
 004A           ;  TIMSK = 0x00; //timer interrupt sources
 004A 29BE              out 0x39,R2
 004C                   .dbline 46
 004C           ;  SEI(); //re-enable interrupts
 004C 7894              sei
 004E                   .dbline -2
 004E           L3:
 004E                   .dbline 0 ; func end
 004E 0895              ret
 0050                   .dbend
 0050                   .dbfunc e main _main fI
                        .even
 0050           _main::
 0050                   .dbline -1
 0050                   .dbline 51
 0050           ;  //all peripherals are now initialized
 0050           ; }
 0050           ; 
 0050           ; main() 
 0050           ; {
 0050                   .dbline 52
 0050           ; init_devices();
 0050 F6DF              xcall _init_devices
 0052                   .dbline -2
 0052           L4:
 0052                   .dbline 0 ; func end
 0052 0895              ret
 0054                   .dbend
 0054           ; }