main.s

ds18b20+1602液晶显示 基于atmega16l单片机的编程

	.module main.c
	.area data(ram, con, rel)
_flag10ms::
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
	.dbsym e flag10ms _flag10ms c
	.area text(rom, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 13
; //ICC-AVR application builder : 2008-8-2 15:50:57
; // Target : M16
; // Crystal: 8.0000Mhz
; 
; #include <iom16v.h>
; #include <macros.h>
; #include "lm1602.h"
; #include "ds18b20.h"
; 
; byte flag10ms = 0;
; 
; void port_init(void)
; {
	.dbline 14
;  PORTA = 0x00;
	clr R2
	out 0x1b,R2
	.dbline 15
;  DDRA  = 0xE0;
	ldi R24,224
	out 0x1a,R24
	.dbline 16
;  PORTB = 0x00;
	out 0x18,R2
	.dbline 17
;  DDRB  = 0xFF;
	ldi R24,255
	out 0x17,R24
	.dbline 18
;  PORTC = 0x00; //m103 output only
	out 0x15,R2
	.dbline 19
;  DDRC  = 0x00;
	out 0x14,R2
	.dbline 20
;  PORTD = 0x00;
	out 0x12,R2
	.dbline 21
;  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 30
; }
; 
; 
; //TIMER1 initialize - prescale:64
; // WGM: 0) Normal, TOP=0xFFFF
; // desired value: 10mSec
; // actual value: 10.000mSec (0.0%)
; void timer1_init(void)
; {
	.dbline 31
;  TCCR1B = 0x00; //stop
	clr R2
	out 0x2e,R2
	.dbline 32
;  TCNT1H = 0xFB; //setup
	ldi R24,251
	out 0x2d,R24
	.dbline 33
;  TCNT1L = 0x1E;
	ldi R24,30
	out 0x2c,R24
	.dbline 34
;  TCCR1A = 0x00;
	out 0x2f,R2
	.dbline 35
;  TCCR1B = 0x03; //start Timer
	ldi R24,3
	out 0x2e,R24
	.dbline -2
L2:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 32
	jmp _timer1_ovf_isr
	.area text(rom, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
	.area data(ram, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
L4:
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
	.area text(rom, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
	.dbfunc e timer1_ovf_isr _timer1_ovf_isr fV
	.dbsym s cnt L4 c
	.even
_timer1_ovf_isr::
	st -y,R2
	st -y,R24
	st -y,R25
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 40
	.dbline 43
	ldi R24,251
	out 0x2d,R24
	.dbline 44
	ldi R24,30
	out 0x2c,R24
	.dbline 45
	lds R24,L4
	subi R24,255    ; addi 1
	sts L4,R24
	.dbline 46
	cpi R24,50
	brlo L5
	.dbline 47
	.dbline 48
	clr R2
	sts L4,R2
	.dbline 49
	ldi R24,1
	sts _flag10ms,R24
	.dbline 50
L5:
	.dbline -2
L3:
	ld R2,y+
	out 0x3f,R2
	ld R25,y+
	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
; }
; 
; #pragma interrupt_handler timer1_ovf_isr:9
; void timer1_ovf_isr(void)
; {
;  static unsigned char cnt =0;
;  //TIMER1 has overflowed
;  TCNT1H = 0xFB; //reload counter high value
;  TCNT1L = 0x1E; //reload counter low value
;  cnt++;
;  if(cnt>=50)
;  {
;   cnt = 0;
;   flag10ms = 1;
;   }
; }
; 
; 
; //call this routine to initialize 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
L7:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
;      temp_data -> R20,R21
	.even
_main::
	sbiw R28,2
	.dbline -1
	.dbline 71
;  //all peripherals are now initialized
; }
; 
; //
; void main(void)
; {
	.dbline 73
;  unsigned int temp_data;
;  init_devices();
	xcall _init_devices
	.dbline 74
;  LcdInit();
	xcall _LcdInit
	.dbline 75
;  DisString(0, 1, "DS18B20 test");
	ldi R24,<L9
	ldi R25,>L9
	std y+1,R25
	std y+0,R24
	ldi R18,1
	clr R16
	xcall _DisString
	xjmp L11
L10:
	.dbline 78
;  //insert your functional code here...
;  while(1)
;  {
	.dbline 79
;     if(flag10ms)
	lds R2,_flag10ms
	tst R2
	breq L13
	.dbline 80
; 	{
	.dbline 81
; 	   flag10ms =0;
	clr R2
	sts _flag10ms,R2
	.dbline 82
; 	    temp_data = ReadTemperature(); 
	xcall _ReadTemperature
	movw R20,R16
	.dbline 83
; 	  if( temp_data!=0xffff)
	cpi R16,255
	ldi R30,255
	cpc R17,R30
	breq L15
	.dbline 84
; 	  {
	.dbline 85
; 	      LCD_Dis_Temperature(1,1,temp_data);	//温度数据转换和显示函数
	std y+1,R21
	std y+0,R20
	ldi R18,1
	ldi R16,1
	xcall _LCD_Dis_Temperature
	.dbline 86
; 	  }
	xjmp L16
L15:
	.dbline 88
; 	  else
; 	   {
	.dbline 89
; 	      DisString(1,1,"DS18B20 Error!");
	ldi R24,<L17
	ldi R25,>L17
	std y+1,R25
	std y+0,R24
	ldi R18,1
	ldi R16,1
	xcall _DisString
	.dbline 90
; 	   }
L16:
	.dbline 91
; 	}
L13:
	.dbline 92
L11:
	.dbline 77
	xjmp L10
X0:
	.dbline -2
L8:
	adiw R28,2
	.dbline 0 ; func end
	ret
	.dbsym r temp_data 20 i
	.dbend
	.area data(ram, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
L17:
	.blkb 15
	.area idata
	.byte 'D,'S,49,56,'B,50,48,32,'E,'r,'r,'o,'r,33,0
	.area data(ram, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c
L9:
	.blkb 13
	.area idata
	.byte 'D,'S,49,56,'B,50,48,32,'t,'e,'s,'t,0
	.area data(ram, con, rel)
	.dbfile F:\avr最小系统板\程序代码\ex15_ds18b20_1602\main.c