led.s

avr单片机

	.module led.c
	.area data(ram, con, rel)
_T0Count0::
	.blkb 2
	.area idata
	.word 0
	.area data(ram, con, rel)
	.dbfile d:\excersize\led.h
	.dbsym e T0Count0 _T0Count0 i
	.area text(rom, con, rel)
	.dbfile d:\excersize\led.h
	.dbfile D:\excersize\led.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 9
; //ICC-AVR application builder : 2006-5-22 9:26:54
; // Target : M128
; // Crystal: 16.000Mhz
; 
; #include <iom128v.h>
; #include <macros.h>
; #include <d:\excersize\led.h>
; void port_init(void)
; {
	.dbline 10
;  PORTA = 0x00;
	clr R2
	out 0x1b,R2
	.dbline 11
;  DDRA  = 0x00;
	out 0x1a,R2
	.dbline 12
;  PORTB = 0xFF;
	ldi R24,255
	out 0x18,R24
	.dbline 13
;  DDRB  = 0xFF;
	out 0x17,R24
	.dbline 14
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 15
;  DDRC  = 0xFF;
	out 0x14,R24
	.dbline 16
;  PORTD = 0xFF;
	out 0x12,R24
	.dbline 17
;  DDRD  = 0xF0;
	ldi R24,240
	out 0x11,R24
	.dbline 18
;  PORTE = 0x00;
	out 0x3,R2
	.dbline 19
;  DDRE  = 0x00;
	out 0x2,R2
	.dbline 20
;  PORTF = 0x00;
	sts 98,R2
	.dbline 21
;  DDRF  = 0x00;
	sts 97,R2
	.dbline 22
;  PORTG = 0x00;
	sts 101,R2
	.dbline 23
;  DDRG  = 0x00;
	sts 100,R2
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e watchdog_init _watchdog_init fV
	.even
_watchdog_init::
	.dbline -1
	.dbline 26
; }
; void watchdog_init(void)
; {
	.dbline 27
;  WDR(); //this prevents a timout on enabling//
	wdr
	.dbline 28
;  WDTCR = 0x0F; //WATCHDOG ENABLED - dont forget to issue WDRs
	ldi R24,15
	out 0x21,R24
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e timer0_init _timer0_init fV
	.even
_timer0_init::
	.dbline -1
	.dbline 30
; }
; void timer0_init(void){
	.dbline 31
;  TCCR0 = 0x00; //stop
	clr R2
	out 0x33,R2
	.dbline 32
;  ASSR  = 0x00; //set async mode//同步方式，允许更新计数，比较输出，控制寄存器
	out 0x30,R2
	.dbline 33
;  TCNT0 = 0x83; //set count
	ldi R24,131
	out 0x32,R24
	.dbline 34
;  OCR0  = 0x7D;
	ldi R24,125
	out 0x31,R24
	.dbline 35
;  TCCR0 = 0x05; //start timer//128分频
	ldi R24,5
	out 0x33,R24
	.dbline -2
L3:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 60
	jmp _timer0_comp_isr
	.area text(rom, con, rel)
	.dbfile D:\excersize\led.c
	.dbfunc e timer0_comp_isr _timer0_comp_isr fV
	.even
_timer0_comp_isr::
	st -y,R24
	st -y,R25
	in R24,0x3f
	st -y,R24
	.dbline -1
	.dbline 39
; }
; //======================================================time0 中断
; #pragma interrupt_handler timer0_comp_isr:16
; void timer0_comp_isr(void){
	.dbline 40
;    TCNT0 = 0x83;
	ldi R24,131
	out 0x32,R24
	.dbline 41
;    T0Count0++;
	lds R24,_T0Count0
	lds R25,_T0Count0+1
	adiw R24,1
	sts _T0Count0+1,R25
	sts _T0Count0,R24
	.dbline -2
L4:
	ld R24,y+
	out 0x3f,R24
	ld R25,y+
	ld R24,y+
	.dbline 0 ; func end
	reti
	.dbend
	.dbfunc e delay _delay fV
;              j -> R16,R17
;              i -> R18,R19
	.even
_delay::
	.dbline -1
	.dbline 47
;    
;  //compare occured TCNT0=OCR0
; }
; //call this routine to initialize all peripherals
; void delay(void)
; {
	.dbline 49
; 
; UI i=0;
	clr R18
	clr R19
	.dbline 50
; UI j=0;
	clr R16
	clr R17
	.dbline 51
; for(j=0;j<500;j++)
	xjmp L9
L6:
	.dbline 52
; {
	.dbline 53
;  WDR();
	wdr
	.dbline 54
	clr R18
	clr R19
	xjmp L13
L10:
	.dbline 54
L11:
	.dbline 54
	subi R18,255  ; offset = 1
	sbci R19,255
L13:
	.dbline 54
	cpi R18,136
	ldi R30,19
	cpc R19,R30
	brlo L10
	.dbline 55
L7:
	.dbline 51
	subi R16,255  ; offset = 1
	sbci R17,255
L9:
	.dbline 51
	cpi R16,244
	ldi R30,1
	cpc R17,R30
	brlo L6
	.dbline -2
L5:
	.dbline 0 ; func end
	ret
	.dbsym r j 16 i
	.dbsym r i 18 i
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 59
;  for(i=0;i<5000;i++);
;  }
;  
; }
; void init_devices(void)
; {
	.dbline 61
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 62
;  XDIV  = 0x00; //xtal divider//系统时钟分频控制寄存器
	clr R2
	out 0x3c,R2
	.dbline 63
;  XMCRA = 0x0E; //external memory//外部存储器控制寄存器
	ldi R24,14
	sts 109,R24
	.dbline 64
;  XMCRB = 0x80;
	ldi R24,128
	sts 108,R24
	.dbline 65
;  port_init();
	xcall _port_init
	.dbline 66
; timer0_init();
	xcall _timer0_init
	.dbline 67
;  MCUCR = 0xC0;//MCU控制寄存器
	ldi R24,192
	out 0x35,R24
	.dbline 68
;  EICRA = 0x0A; //extended ext ints//外部中断控制寄存器
	ldi R24,10
	sts 106,R24
	.dbline 69
;  EICRB = 0x0F; //extended ext ints
	ldi R24,15
	out 0x3a,R24
	.dbline 70
;  EIMSK = 0x33; //0x03 extended ext enable
	ldi R24,51
	out 0x39,R24
	.dbline 71
;  TIMSK = 0x12; //timer interrupt sources  01:time0
	ldi R24,18
	out 0x37,R24
	.dbline 72
;  ETIMSK =0x00; //extended timer interrupt sources
	clr R2
	sts 125,R2
	.dbline 73
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
L14:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
;            mid -> R20
;              i -> R22,R23
	.even
_main::
	.dbline -1
	.dbline 77
;  //all peripherals are now initialized
; }
; void main(void)
; {
	.dbline 78
; watchdog_init();
	xcall _watchdog_init
	.dbline 79
;  WDR();
	wdr
	.dbline 80
;  init_devices();
	xcall _init_devices
	xjmp L17
L16:
	.dbline 82
;  while(1)
;  {
	.dbline 83
;    UI i=0;
	clr R22
	clr R23
	.dbline 84
;    WDR();
	wdr
	.dbline 85
;    if(T0Count0>10)
	ldi R24,10
	ldi R25,0
	lds R2,_T0Count0
	lds R3,_T0Count0+1
	cp R24,R2
	cpc R25,R3
	brsh L19
	.dbline 86
;    {
	.dbline 87
;     UC mid=0x01;
	ldi R20,1
	.dbline 88
;     WDR();
	wdr
	.dbline 89
;     T0Count0=0;
	clr R2
	clr R3
	sts _T0Count0+1,R3
	sts _T0Count0,R2
	.dbline 91
; 	
; 	for(i=0;i<8;i++)
	xjmp L24
L21:
	.dbline 92
	.dbline 93
	xcall _delay
	.dbline 94
	mov R2,R20
	com R2
	out 0x18,R2
	.dbline 95
	ldi R24,2
	mul R24,R20
	mov R20,R0
	.dbline 97
L22:
	.dbline 91
	subi R22,255  ; offset = 1
	sbci R23,255
L24:
	.dbline 91
	cpi R22,8
	ldi R30,0
	cpc R23,R30
	brlo L21
	.dbline 99
; 	{
; 	 delay();
; 	 PORTB=~mid;
; 	 mid=mid*2;
; 	 
; 	}
; 		
; 	PORTB=0xFF;
	ldi R24,255
	out 0x18,R24
	.dbline 100
; 	delay();
	xcall _delay
	.dbline 101
; 	PORTD=0xEF;
	ldi R24,239
	out 0x12,R24
	.dbline 102
; 	delay();
	xcall _delay
	.dbline 103
; 	PORTD=0xDF;
	ldi R24,223
	out 0x12,R24
	.dbline 104
; 	delay();
	xcall _delay
	.dbline 105
; 	PORTD=0xBF;
	ldi R24,191
	out 0x12,R24
	.dbline 106
; 	delay();
	xcall _delay
	.dbline 107
; 	PORTD=0x7F;
	ldi R24,127
	out 0x12,R24
	.dbline 108
; 	delay();
	xcall _delay
	.dbline 109
; 	PORTD=0xFF;
	ldi R24,255
	out 0x12,R24
	.dbline 110
;    }
L19:
	.dbline 111
L17:
	.dbline 81
	xjmp L16
X0:
	.dbline -2
L15:
	.dbline 0 ; func end
	ret
	.dbsym r mid 20 c
	.dbsym r i 22 i
	.dbend