m16pwm1.s

AVR程序

	.module M16PWM1.c
	.area text(rom, con, rel)
	.dbfile F:\job\M16学习板\PWM\M16PWM1.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 9
; //ICC-AVR application builder : 2007-4-10 下午 03:03:28
; // Target : M16
; // Crystal: 1.0000Mhz
; 
; #include <iom16v.h>
; #include <macros.h>
; 
; void port_init(void)
; {
	.dbline 10
;  PORTA = 0x00;
	clr R2
	out 0x1b,R2
	.dbline 11
;  DDRA  = 0x00;
	out 0x1a,R2
	.dbline 12
;  PORTB = 0x00;
	out 0x18,R2
	.dbline 13
;  DDRB  = 0x00;
	out 0x17,R2
	.dbline 14
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 15
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 16
;  PORTD = 0x00;
	out 0x12,R2
	.dbline 17
;  DDRD  = 0x00;
	out 0x11,R2
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e timer1_init _timer1_init fV
	.even
_timer1_init::
	.dbline -1
	.dbline 25
; }
; 
; //TIMER1 initialize - prescale:1
; // WGM: 1) PWM 8bit Phz correct, TOP=0x00FF
; // desired value: 2KHz
; // actual value:  1.961KHz (2.0%)
; void timer1_init(void)
; {
	.dbline 26
;  TCCR1B = 0x00; //stop
	clr R2
	out 0x2e,R2
	.dbline 27
;  TCNT1H = 0xFF; //setup
	ldi R24,255
	out 0x2d,R24
	.dbline 28
;  TCNT1L = 0x01;
	ldi R24,1
	out 0x2c,R24
	.dbline 29
;  OCR1AH = 0x00;
	out 0x2b,R2
	.dbline 30
;  OCR1AL = 0xFF;
	ldi R24,255
	out 0x2a,R24
	.dbline 31
;  OCR1BH = 0x00;
	out 0x29,R2
	.dbline 32
;  OCR1BL = 0xFF;
	out 0x28,R24
	.dbline 35
; // OCR1CH = 0xc3;
; // OCR1CL = 0x50;
;  ICR1H  = 0x00;
	out 0x27,R2
	.dbline 36
;  ICR1L  = 0xFF;
	out 0x26,R24
	.dbline 37
;  TCCR1A = 0xC1;
	ldi R24,193
	out 0x2f,R24
	.dbline 38
;  TCCR1B = 0x01; //start Timer
	ldi R24,1
	out 0x2e,R24
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 43
; }
; 
; //call this routine to initialize all peripherals
; void init_devices(void)
; {
	.dbline 45
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 46
;  port_init();
	xcall _port_init
	.dbline 47
;  timer1_init();
	xcall _timer1_init
	.dbline 49
; 
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 50
;  GICR  = 0x00;
	out 0x3b,R2
	.dbline 51
;  TIMSK = 0x00; //timer interrupt sources
	out 0x39,R2
	.dbline 52
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
L3:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 58
;  //all peripherals are now initialized
; }
; 
; //
; void main(void)
; {
	.dbline 59
;  init_devices();
	xcall _init_devices
	.dbline 60
;  DDRD |= 0b00100000;
	sbi 0x11,5
L5:
	.dbline 61
L6:
	.dbline 61
	xjmp L5
X0:
	.dbline -2
L4:
	.dbline 0 ; func end
	ret
	.dbend