main.s

AVRM16 学习板--24C04

	.module main.c
	.area text(rom, con, rel)
	.dbfile F:\工程文件\程序\学习板例程\24C04\main.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 11
; //ICC-AVR application builder : 2006-11-30 20:32:45
; // Target : M16
; // Crystal: 6.0000Mhz
; //designed by solo 2006,11,30
; //I2C test
; 
; #include <iom16v.h>
; #include <macros.h>
; 
; void port_init(void)
; {
	.dbline 12
;  PORTA = 0xFF;
	ldi R24,255
	out 0x1b,R24
	.dbline 13
;  DDRA  = 0xFF;
	out 0x1a,R24
	.dbline 14
;  PORTB = 0xFF;
	out 0x18,R24
	.dbline 15
;  DDRB  = 0xFF;
	out 0x17,R24
	.dbline 16
;  PORTC = 0xFF; //m103 output only
	out 0x15,R24
	.dbline 17
;  DDRC  = 0xFF;
	out 0x14,R24
	.dbline 18
;  PORTD = 0xFF;
	out 0x12,R24
	.dbline 19
;  DDRD  = 0xFF;
	out 0x11,R24
	.dbline -2
	.dbline 20
; }
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e twi_init _twi_init fV
	.even
_twi_init::
	.dbline -1
	.dbline 25
; 
; //TWI initialisation
; // bit rate:8
; void twi_init(void)
; {
	.dbline 26
;  TWCR= 0X00; //disable twi
	clr R2
	out 0x36,R2
	.dbline 27
;  TWBR= 0x08; //set bit rate
	ldi R24,8
	out 0x0,R24
	.dbline 28
;  TWSR= 0x01; //set prescale
	ldi R24,1
	out 0x1,R24
	.dbline 29
;  TWAR= 0x03; //set slave address
	ldi R24,3
	out 0x2,R24
	.dbline 30
;  TWCR= 0x45; //enable twi
	ldi R24,69
	out 0x36,R24
	.dbline -2
	.dbline 31
; }
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 34
	rjmp _twi_isr
	.area text(rom, con, rel)
	.dbfile F:\工程文件\程序\学习板例程\24C04\main.c
	.dbfunc e twi_isr _twi_isr fV
	.even
_twi_isr::
	.dbline -1
	.dbline 35
; 
; #pragma interrupt_handler twi_isr:18
; void twi_isr(void)
; {
	.dbline -2
	.dbline 37
;  //twi event
; }
L3:
	.dbline 0 ; func end
	reti
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 41
; 
; //call this routine to initialise all peripherals
; void init_devices(void)
; {
	.dbline 43
;  //stop errant interrupts until set up
;  CLI(); //disable all interrupts
	cli
	.dbline 44
;  port_init();
	rcall _port_init
	.dbline 45
;  twi_init();
	rcall _twi_init
	.dbline 47
; 
;  MCUCR = 0x00;
	clr R2
	out 0x35,R2
	.dbline 48
;  GICR  = 0x00;
	out 0x3b,R2
	.dbline 49
;  TIMSK = 0x00; //timer interrupt sources
	out 0x39,R2
	.dbline 50
;  SEI(); //re-enable interrupts
	sei
	.dbline -2
	.dbline 52
;  //all peripherals are now initialised
; }
L4:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 56
; 
; //
; void main(void)
; {
	.dbline 57
;  init_devices();
	.dbline -2
	.dbline 59
;  //insert your functional code here...
; }
L5:
	.dbline 0 ; func end
	rjmp _init_devices
	.dbend