pd.s

AVR单片机六路ADC采集与七段数码管显示采集值

	.module pd.c
	.area text(rom, con, rel)
	.dbfile f:\MYDOCU~1\AVR\test\pd.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 9
; //ICC-AVR application builder : 2008-08-28 8:30:08
; // Target : M8
; // Crystal: 8.0000Mhz
; 
; #include <iom8v.h>
; #include <macros.h>
; 
; void port_init(void)
; {
	.dbline 10
;  PORTB = 0x00;
	clr R2
	out 0x18,R2
	.dbline 11
;  DDRB  = 0xFF;
	ldi R24,255
	out 0x17,R24
	.dbline 12
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 13
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 14
;  PORTD = 0xFF;
	out 0x12,R24
	.dbline 15
;  DDRD  = 0x0F;
	ldi R24,15
	out 0x11,R24
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 20
; }
; 
; //call this routine to initialize all peripherals
; void init_devices(void)
; {
	.dbline 23
; 
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 24
;  port_init();
	rcall _port_init
	.dbline 26
; 
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 27
;  GICR  = 0x00;
	out 0x3b,R2
	.dbline 28
;  TIMSK = 0x00; //timer interrupt sources
	out 0x39,R2
	.dbline 29
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
;              a -> R20
	.even
_main::
	.dbline -1
	.dbline 34
;  //all peripherals are now initialized
; }
; 
; void main()
; { char a;
	.dbline 35
;   init_devices();
	rcall _init_devices
	rjmp L5
L4:
	.dbline 37
;  while(1)
;  {	  PORTD |= 0xF0;
	.dbline 37
	in R24,0x12
	ori R24,240
	out 0x12,R24
	.dbline 38
;       a = (PIND & 0xF0);
	in R20,0x10
	andi R20,240
	.dbline 39
; 	  a = (a >> 4);
	mov R24,R20
	swap R24
	andi R24,#0x0F
	mov R20,R24
	.dbline 40
; 	  PORTB = PIND;
	in R2,0x10
	out 0x18,R2
	.dbline 41
; 	  PORTD = (a | 0xF0);
	ori R24,240
	out 0x12,R24
	.dbline 42
;  }
L5:
	.dbline 36
	rjmp L4
X0:
	.dbline -2
L3:
	.dbline 0 ; func end
	ret
	.dbsym r a 20 c
	.dbend
; }
;