led.s

AVRM16 学习板例程 LED 控制

	.module led.c
	.area data(ram, con, rel)
_LED_data::
	.blkb 1
	.area idata
	.byte 1
	.area data(ram, con, rel)
	.dbfile F:\工程文件\程序\学习板例程\LED\led.c
	.dbsym e LED_data _LED_data c
	.area text(rom, con, rel)
	.dbfile F:\工程文件\程序\学习板例程\LED\led.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 10
; //ICC-AVR application builder : 2006-11-28 21:10:05
; // Target : M16
; // Crystal: 6.0000Mhz
; 
; #include <iom16v.h>
; #include <macros.h>
; 
; unsigned char LED_data=1;
; void port_init(void)
; {
	.dbline 11
;  PORTA = 0xFF;//PA，PB，PC，PD口全部做输出，默认值1
	ldi R24,255
	out 0x1b,R24
	.dbline 12
;  DDRA  = 0xFF;//
	out 0x1a,R24
	.dbline 13
;  PORTB = 0xFF;//
	out 0x18,R24
	.dbline 14
;  DDRB  = 0xFF;//
	out 0x17,R24
	.dbline 15
;  PORTC = 0xFF; //m103 output only
	out 0x15,R24
	.dbline 16
;  DDRC  = 0xFF;//
	out 0x14,R24
	.dbline 17
;  PORTD = 0xFF;//
	out 0x12,R24
	.dbline 18
;  DDRD  = 0xFF;//
	out 0x11,R24
	.dbline -2
	.dbline 19
; }
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e timer1_init _timer1_init fV
	.even
_timer1_init::
	.dbline -1
	.dbline 26
; 
; //TIMER1 initialisation - prescale:1024
; // WGM: 0) Normal, TOP=0xFFFF
; // desired value: 1Hz
; // actual value:  1.000Hz (0.0%)
; void timer1_init(void)
; {
	.dbline 27
;  TCCR1B = 0x00; //stop
	clr R2
	out 0x2e,R2
	.dbline 28
;  TCNT1H = 0xE9; //setup
	ldi R24,233
	out 0x2d,R24
	.dbline 29
;  TCNT1L = 0x1D;
	ldi R24,29
	out 0x2c,R24
	.dbline 30
;  OCR1AH = 0x16;
	ldi R24,22
	out 0x2b,R24
	.dbline 31
;  OCR1AL = 0xE3;
	ldi R24,227
	out 0x2a,R24
	.dbline 32
;  OCR1BH = 0x16;
	ldi R24,22
	out 0x29,R24
	.dbline 33
;  OCR1BL = 0xE3;
	ldi R24,227
	out 0x28,R24
	.dbline 34
;  ICR1H  = 0x16;
	ldi R24,22
	out 0x27,R24
	.dbline 35
;  ICR1L  = 0xE3;
	ldi R24,227
	out 0x26,R24
	.dbline 36
;  TCCR1A = 0x00;
	out 0x2f,R2
	.dbline 37
;  TCCR1B = 0x05; //start Timer
	ldi R24,5
	out 0x2e,R24
	.dbline -2
	.dbline 38
; }
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 32
	jmp _timer1_ovf_isr
	.area text(rom, con, rel)
	.dbfile F:\工程文件\程序\学习板例程\LED\led.c
	.dbfunc e timer1_ovf_isr _timer1_ovf_isr fV
	.even
_timer1_ovf_isr::
	st -y,R2
	st -y,R24
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 42
; 
; #pragma interrupt_handler timer1_ovf_isr:9
; void timer1_ovf_isr(void)
; {
	.dbline 44
;  //TIMER1 has overflowed
;  TCNT1H = 0xE9; //reload counter high value
	ldi R24,233
	out 0x2d,R24
	.dbline 45
;  TCNT1L = 0x1D; //reload counter low value
	ldi R24,29
	out 0x2c,R24
	.dbline 46
;  LED_data<<=1;
	lds R2,_LED_data
	lsl R2
	sts _LED_data,R2
	.dbline 47
;  if(LED_data ==0)
	tst R2
	brne L4
	.dbline 48
;  LED_data = 1;
	ldi R24,1
	sts _LED_data,R24
L4:
	.dbline 49
;  PORTA=LED_data;
	lds R2,_LED_data
	out 0x1b,R2
	.dbline -2
	.dbline 52
;  
;  
; }
L3:
	ld R2,y+
	out 0x3f,R2
	ld R24,y+
	ld R2,y+
	.dbline 0 ; func end
	reti
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 56
; 
; //call this routine to initialise all peripherals
; void init_devices(void)
; {
	.dbline 58
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 59
;  port_init();
	xcall _port_init
	.dbline 60
;  timer1_init();
	xcall _timer1_init
	.dbline 62
; 
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 63
;  GICR  = 0x00;
	out 0x3b,R2
	.dbline 64
;  TIMSK = 0x04; //timer interrupt sources
	ldi R24,4
	out 0x39,R24
	.dbline 65
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
	.dbline 67
;  //all peripherals are now initialised
; }
L6:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 71
; 
; //
; void main(void)
; {
	.dbline 72
;  init_devices();
	.dbline -2
	.dbline 75
;  
;  //insert your functional code here...
; }
L7:
	.dbline 0 ; func end
	xjmp _init_devices
	.dbend