.module main_18b20.c
.area text(rom, con, rel)
0000 .dbfile F:\try\DS18B20\main_18b20.c
0000 .dbfunc e port_init _port_init fV
.even
0000 _port_init::
0000 .dbline -1
0000 .dbline 10
0000 ; //ICC-AVR application builder : 2008-4-7 PM 04:31:51
0000 ; // Target : M16
0000 ; // Crystal: 8.0000Mhz
0000 ;
0000 ; #include
0000 ; #include
0000 ; #include "DS18B20.h"
0000 ;
0000 ; void port_init(void)
0000 ; {
0000 .dbline 11
0000 ; PORTA = 0x00;
0000 2224 clr R2
0002 2BBA out 0x1b,R2
0004 .dbline 12
0004 ; DDRA = 0x00;
0004 2ABA out 0x1a,R2
0006 .dbline 13
0006 ; PORTB = 0x00;
0006 28BA out 0x18,R2
0008 .dbline 14
0008 ; DDRB = 0x00;
0008 27BA out 0x17,R2
000A .dbline 15
000A ; PORTC = 0x00; //m103 output only
000A 25BA out 0x15,R2
000C .dbline 16
000C ; DDRC = 0xFF;
000C 8FEF ldi R24,255
000E 84BB out 0x14,R24
0010 .dbline 17
0010 ; PORTD = 0x00;
0010 22BA out 0x12,R2
0012 .dbline 18
0012 ; DDRD = 0x00;
0012 21BA out 0x11,R2
0014 .dbline -2
0014 L1:
0014 .dbline 0 ; func end
0014 0895 ret
0016 .dbend
0016 .dbfunc e timer0_init _timer0_init fV
.even
0016 _timer0_init::
0016 .dbline -1
0016 .dbline 26
0016 ; }
0016 ;
0016 ; //TIMER0 initialize - prescale:1024
0016 ; // WGM: Normal
0016 ; // desired value: 25mSec
0016 ; // actual value: 24.960mSec (0.2%)
0016 ; void timer0_init(void)
0016 ; {
0016 .dbline 27
0016 ; TCCR0 = 0x00; //stop
0016 2224 clr R2
0018 23BE out 0x33,R2
001A .dbline 28
001A ; TCNT0 = 0x3D; //set count
001A 8DE3 ldi R24,61
001C 82BF out 0x32,R24
001E .dbline 29
001E ; OCR0 = 0xC3; //set compare
001E 83EC ldi R24,195
0020 8CBF out 0x3c,R24
0022 .dbline 30
0022 ; TCCR0 = 0x05; //start timer
0022 85E0 ldi R24,5
0024 83BF out 0x33,R24
0026 .dbline -2
0026 L2:
0026 .dbline 0 ; func end
0026 0895 ret
0028 .dbend
.area vector(rom, abs)
.org 36
0024 0C941400 jmp _timer0_ovf_isr
.area text(rom, con, rel)
0028 .dbfile F:\try\DS18B20\main_18b20.c
0028 .dbfunc e timer0_ovf_isr _timer0_ovf_isr fV
.even
0028 _timer0_ovf_isr::
0028 8A93 st -y,R24
002A 8FB7 in R24,0x3f
002C 8A93 st -y,R24
002E .dbline -1
002E .dbline 35
002E ; }
002E ;
002E ; #pragma interrupt_handler timer0_ovf_isr:iv_TIM0_OVF
002E ; void timer0_ovf_isr(void)
002E ; {
002E .dbline 36
002E ; TCNT0 = 0x3D; //reload counter value
002E 8DE3 ldi R24,61
0030 82BF out 0x32,R24
0032 .dbline -2
0032 L3:
0032 .dbline 0 ; func end
0032 8991 ld R24,y+
0034 8FBF out 0x3f,R24
0036 8991 ld R24,y+
0038 1895 reti
003A .dbend
003A .dbfunc e uart0_init _uart0_init fV
.even
003A _uart0_init::
003A .dbline -1
003A .dbline 43
003A ; }
003A ;
003A ; //UART0 initialize
003A ; // desired baud rate: 9600
003A ; // actual: baud rate:9615 (0.2%)
003A ; void uart0_init(void)
003A ; {
003A .dbline 44
003A ; UCSRB = 0x00; //disable while setting baud rate
003A 2224 clr R2
003C 2AB8 out 0xa,R2
003E .dbline 45
003E ; UCSRA = 0x00;
003E 2BB8 out 0xb,R2
0040 .dbline 46
0040 ; UCSRC = BIT(URSEL) | 0x06;
0040 86E8 ldi R24,134
0042 80BD out 0x20,R24
0044 .dbline 47
0044 ; UBRRL = 0x33; //set baud rate lo
0044 83E3 ldi R24,51
0046 89B9 out 0x9,R24
0048 .dbline 48
0048 ; UBRRH = 0x00; //set baud rate hi
0048 20BC out 0x20,R2
004A .dbline 49
004A ; UCSRB = 0x98;
004A 88E9 ldi R24,152
004C 8AB9 out 0xa,R24
004E .dbline -2
004E L4:
004E .dbline 0 ; func end
004E 0895 ret
0050 .dbend
.area vector(rom, abs)
.org 44
002C 0C942800 jmp _uart0_rx_isr
.area text(rom, con, rel)
0050 .dbfile F:\try\DS18B20\main_18b20.c
0050 .dbfunc e uart0_rx_isr _uart0_rx_isr fV
.even
0050 _uart0_rx_isr::
0050 .dbline -1
0050 .dbline 54
0050 ; }
0050 ;
0050 ; #pragma interrupt_handler uart0_rx_isr:iv_USART0_RXC
0050 ; void uart0_rx_isr(void)
0050 ; {
0050 .dbline -2
0050 L5:
0050 .dbline 0 ; func end
0050 1895 reti
0052 .dbend
0052 .dbfunc e init_devices _init_devices fV
.even
0052 _init_devices::
0052 .dbline -1
0052 .dbline 60
0052 ; //uart has received a character in UDR
0052 ; }
0052 ;
0052 ; //call this routine to initialize all peripherals
0052 ; void init_devices(void)
0052 ; {
0052 .dbline 62
0052 ; //stop errant interrupts until set up
0052 ; CLI(); //disable all interrupts
0052 F894 cli
0054 .dbline 63
0054 ; port_init();
0054 D5DF xcall _port_init
0056 .dbline 64
0056 ; timer0_init();
0056 DFDF xcall _timer0_init
0058 .dbline 65
0058 ; uart0_init();
0058 F0DF xcall _uart0_init
005A .dbline 67
005A ;
005A ; MCUCR = 0x00;
005A 2224 clr R2
005C 25BE out 0x35,R2
005E .dbline 68
005E ; GICR = 0x00;
005E 2BBE out 0x3b,R2
0060 .dbline 69
0060 ; TIMSK = 0x01; //timer interrupt sources
0060 81E0 ldi R24,1
0062 89BF out 0x39,R24
0064 .dbline 70
0064 ; SEI(); //re-enable interrupts
0064 7894 sei
0066 .dbline -2
0066 L6:
0066 .dbline 0 ; func end
0066 0895 ret
0068 .dbend
0068 .dbfunc e putchar _putchar fV
0068 ; TmpCh -> R16
.even
0068 _putchar::
0068 .dbline -1
0068 .dbline 76
0068 ; //all peripherals are now initialized
0068 ; }
0068 ;
0068 ; //输出一个字符
0068 ; void putchar(unsigned char TmpCh)
0068 ; {
0068 L8:
0068 .dbline 77
0068 ; while( !(UCSRA & (1 0068 L9:
0068 .dbline 77
0068 5D9B sbis 0xb,5
006A FECF rjmp L8
006C X0:
006C .dbline 78
006C ; UDR = TmpCh;
006C 0CB9 out 0xc,R16
006E .dbline -2
006E L7:
006E .dbline 0 ; func end
006E 0895 ret
0070 .dbsym r TmpCh 16 c
0070 .dbend
0070 .dbfunc e main _main fV
0070 ; tempout -> R10
.even
0070 _main::
0070 .dbline -1
0070 .dbline 82
0070 ; }
0070 ;
0070 ; void main(void)
0070 ; {
0070 .dbline 83
0070 ; unsigned char tempout = 0;
0070 AA24 clr R10
0072 .dbline 84
0072 ; init_devices();
0072 EFDF xcall _init_devices
0074 .dbline 85
0074 ; init_1820();
0074 0E940000 xcall _init_1820
0078 .dbline 86
0078 ; putchar(0xFF);
0078 0FEF ldi R16,255
007A F6DF xcall _putchar
007C .dbline 87
007C ; delay_nms(200);
007C 08EC ldi R16,200
007E 10E0 ldi R17,0
0080 0E940000 xcall _delay_nms
0084 .dbline 88
0084 ; ;
0084 0DC0 xjmp L13
0086 L12:
0086 .dbline 90
0086 ; while(1)
0086 ; {
0086 .dbline 91
0086 ; tempout = gettemp();
0086 0E940000 xcall _gettemp
008A A02E mov R10,R16
008C .dbline 92
008C ; delay_nms(30);
008C 0EE1 ldi R16,30
008E 10E0 ldi R17,0
0090 0E940000 xcall _delay_nms
0094 .dbline 93
0094 ; putchar(tempout);
0094 0A2D mov R16,R10
0096 E8DF xcall _putchar
0098 .dbline 95
0098 ; //putchar(wml);
0098 ; delay_nms(3000);
0098 08EB ldi R16,3000
009A 1BE0 ldi R17,11
009C 0E940000 xcall _delay_nms
00A0 .dbline 96
00A0 ; };
00A0 L13:
00A0 .dbline 89
00A0 F2CF xjmp L12
00A2 X1:
00A2 .dbline -2
00A2 L11:
00A2 .dbline 0 ; func end
00A2 0895 ret
00A4 .dbsym r tempout 10 c
00A4 .dbend
00A4 ; };
