📄 ds18b20.src
字号:
; .\DS18B20.SRC generated from: DS18B20.c
; COMPILER INVOKED BY:
; C:\Keil\C51\BIN\C51.EXE DS18B20.c BROWSE DEBUG OBJECTEXTEND SRC(.\DS18B20.SRC)
$NOMOD51
NAME DS18B20
P0 DATA 080H
P1 DATA 090H
P2 DATA 0A0H
P3 DATA 0B0H
AC BIT 0D0H.6
T0 BIT 0B0H.4
T1 BIT 0B0H.5
EA BIT 0A8H.7
IE DATA 0A8H
P0_0 BIT 080H.0
P1_0 BIT 090H.0
P0_1 BIT 080H.1
FL BIT 0D0H.1
P2_0 BIT 0A0H.0
P1_1 BIT 090H.1
P0_2 BIT 080H.2
P3_0 BIT 0B0H.0
P2_1 BIT 0A0H.1
P1_2 BIT 090H.2
P0_3 BIT 080H.3
P3_1 BIT 0B0H.1
P2_2 BIT 0A0H.2
P1_3 BIT 090H.3
P0_4 BIT 080H.4
DQ BIT 0B0H.7
P3_2 BIT 0B0H.2
P2_3 BIT 0A0H.3
P1_4 BIT 090H.4
P0_5 BIT 080H.5
RD BIT 0B0H.7
P3_3 BIT 0B0H.3
P2_4 BIT 0A0H.4
P1_5 BIT 090H.5
P0_6 BIT 080H.6
P3_4 BIT 0B0H.4
P2_5 BIT 0A0H.5
P1_6 BIT 090H.6
P0_7 BIT 080H.7
P3_5 BIT 0B0H.5
ES BIT 0A8H.4
P2_6 BIT 0A0H.6
P1_7 BIT 090H.7
P3_6 BIT 0B0H.6
P2_7 BIT 0A0H.7
IP DATA 0B8H
P3_7 BIT 0B0H.7
RI BIT 098H.0
CY BIT 0D0H.7
INT0 BIT 0B0H.2
INT1 BIT 0B0H.3
TI BIT 098H.1
PS BIT 0B8H.4
SP DATA 081H
OV BIT 0D0H.2
WR BIT 0B0H.6
SBUF DATA 099H
PCON DATA 087H
SCON DATA 098H
TMOD DATA 089H
TCON DATA 088H
IE0 BIT 088H.1
IE1 BIT 088H.3
B DATA 0F0H
ACC DATA 0E0H
ET0 BIT 0A8H.1
ET1 BIT 0A8H.3
TF0 BIT 088H.5
ET2 BIT 0A8H.5
TF1 BIT 088H.7
RB8 BIT 098H.2
TH0 DATA 08CH
EX0 BIT 0A8H.0
IT0 BIT 088H.0
TH1 DATA 08DH
EX1 BIT 0A8H.2
TB8 BIT 098H.3
IT1 BIT 088H.2
P BIT 0D0H.0
SM0 BIT 098H.7
TL0 DATA 08AH
SM1 BIT 098H.6
TL1 DATA 08BH
SM2 BIT 098H.5
en BIT 0B0H.6
PT0 BIT 0B8H.1
RS0 BIT 0D0H.3
PT1 BIT 0B8H.3
RS1 BIT 0D0H.4
PT2 BIT 0B8H.5
TR0 BIT 088H.4
TR1 BIT 088H.6
PX0 BIT 0B8H.0
PX1 BIT 0B8H.2
DPH DATA 083H
DPL DATA 082H
rs BIT 0B0H.4
REN BIT 098H.4
rw BIT 0B0H.5
RXD BIT 0B0H.0
TXD BIT 0B0H.1
F0 BIT 0D0H.5
PSW DATA 0D0H
?PR?delay100us?DS18B20 SEGMENT CODE
?PR?_write_command?DS18B20 SEGMENT CODE
?PR?_write_data?DS18B20 SEGMENT CODE
?PR?_display_string?DS18B20 SEGMENT CODE
?PR?_delay_18B20?DS18B20 SEGMENT CODE
?PR?Init_DS18B20?DS18B20 SEGMENT CODE
?PR?_WriteOneChar?DS18B20 SEGMENT CODE
?PR?ReadOneChar?DS18B20 SEGMENT CODE
?PR?read_18B20?DS18B20 SEGMENT CODE
?PR?main?DS18B20 SEGMENT CODE
?CO?DS18B20 SEGMENT CODE
?C_INITSEG SEGMENT CODE
?DT?DS18B20 SEGMENT DATA
EXTRN CODE (?C?CLDPTR)
EXTRN CODE (?C_STARTUP)
EXTRN CODE (?C?UIDIV)
EXTRN CODE (?C?IMUL)
PUBLIC zhengshu
PUBLIC fg
PUBLIC xiaoshu_a
PUBLIC L_18B20
PUBLIC H_18B20
PUBLIC number?
PUBLIC main
PUBLIC read_18B20
PUBLIC ReadOneChar
PUBLIC _WriteOneChar
PUBLIC Init_DS18B20
PUBLIC _delay_18B20
PUBLIC _display_string
PUBLIC _write_data
PUBLIC _write_command
PUBLIC delay100us
RSEG ?DT?DS18B20
H_18B20: DS 1
L_18B20: DS 1
xiaoshu_a: DS 2
fg: DS 2
zhengshu: DS 2
RSEG ?CO?DS18B20
?SC_0:
DB ' ' ,'T' ,'e' ,'m' ,'p' ,'r' ,'a' ,'t' ,'u' ,'r'
DB 'e' ,':' ,000H
number?:
DB '0' ,'1' ,'2' ,'3' ,'4' ,'5' ,'6' ,'7' ,'8' ,'9'
DB 000H
RSEG ?C_INITSEG
DB 002H
DB fg
DW 00000H
; // *********************************************************************************** //
; //
; // Filename : DS18B20.c
; // Title : DS18B20 test file
; // Author : MO YAN
; // Created Date : 2008.8.2
; // Revisited Date : 2008.8.2
; // Description : Provide Function to get the temprature from the DS18B20 at any three pins
; // Version : 1.2
; //
; // Copyright (c) 2008, All rights reserved.
; // *********************************************************************************** //
; #include<regx51.h>
; sbit rs=P3^4; //LCD pins
; sbit rw=P3^5;
; sbit en=P3^6;
; sbit DQ=P3^7; //DS18B20 pin
;
; unsigned char L_18B20,H_18B20;
; unsigned int fg=0,zhengshu,xiaoshu_a;
; char code number[]="0123456789";
;
; /*--------LCD--------*/
; void delay100us(void)
RSEG ?PR?delay100us?DS18B20
delay100us:
; SOURCE LINE # 24
; {
; SOURCE LINE # 25
; #pragma asm
; MOV R5,#3
MOV R5,#3
; LOOP1: MOV R6,#7
LOOP1: MOV R6,#7
; LOOP2: NOP
LOOP2: NOP
; NOP
NOP
; DJNZ R6,LOOP2
DJNZ R6,LOOP2
; DJNZ R5,LOOP1
DJNZ R5,LOOP1
; #pragma endasm
; }
; SOURCE LINE # 34
RET
; END OF delay100us
;
; void write_command(unsigned command)
RSEG ?PR?_write_command?DS18B20
_write_command:
; SOURCE LINE # 36
;---- Variable 'command?140' assigned to Register 'R6/R7' ----
; {
; SOURCE LINE # 37
; rw=0;
; SOURCE LINE # 38
CLR rw
; rs=0;
; SOURCE LINE # 39
CLR rs
; en=1;
; SOURCE LINE # 40
SETB en
; P2=command;
; SOURCE LINE # 41
MOV P2,R7
; delay100us();
; SOURCE LINE # 42
LCALL delay100us
; en=0;
; SOURCE LINE # 43
CLR en
; rw=1;
; SOURCE LINE # 44
SETB rw
; }
; SOURCE LINE # 45
RET
; END OF _write_command
;
; void write_data(unsigned lcddata)
RSEG ?PR?_write_data?DS18B20
L?0030:
USING 0
MOV A,R7
ORL A,#030H
MOV R7,A
_write_data:
; SOURCE LINE # 47
;---- Variable 'lcddata?241' assigned to Register 'R6/R7' ----
; {
; SOURCE LINE # 48
; rw=0;
; SOURCE LINE # 49
CLR rw
; rs=1;
; SOURCE LINE # 50
SETB rs
; en=1;
; SOURCE LINE # 51
SETB en
; P2=lcddata;
; SOURCE LINE # 52
MOV P2,R7
; delay100us();
; SOURCE LINE # 53
LCALL delay100us
; en=0;
; SOURCE LINE # 54
CLR en
; rw=1;
; SOURCE LINE # 55
SETB rw
; }
; SOURCE LINE # 56
RET
; END OF _write_data
;
; void display_string(unsigned x,unsigned y,char*p)
RSEG ?PR?_display_string?DS18B20
_display_string:
USING 0
; SOURCE LINE # 58
;---- Variable 'x?342' assigned to Register 'R6/R7' ----
;---- Variable 'p?344' assigned to Register 'R1/R2/R3' ----
;---- Variable 'y?343' assigned to Register 'R4/R5' ----
; {
; SOURCE LINE # 59
; if(x==1)
; SOURCE LINE # 60
MOV A,R7
XRL A,#01H
ORL A,R6
JNZ ?C0004
; write_command(128+y);
; SOURCE LINE # 61
MOV A,R5
ADD A,#080H
SJMP ?C0028
?C0004:
; else
; write_command(192+y);
; SOURCE LINE # 63
MOV A,R5
ADD A,#0C0H
?C0028:
MOV R7,A
CLR A
ADDC A,R4
MOV R6,A
LCALL _write_command
?C0006:
; while(*p)
; SOURCE LINE # 64
LCALL ?C?CLDPTR
MOV R7,A
JZ ?C0008
; {
; SOURCE LINE # 65
; write_data(*p);
; SOURCE LINE # 66
RLC A
SUBB A,ACC
MOV R6,A
LCALL _write_data
; p++;
; SOURCE LINE # 67
MOV A,#01H
ADD A,R1
MOV R1,A
CLR A
ADDC A,R2
MOV R2,A
; }
; SOURCE LINE # 68
SJMP ?C0006
; }
; SOURCE LINE # 69
?C0008:
RET
; END OF _display_string
;
; /*void display_num(unsigned x,unsigned y,unsigned i)
; {
; if(x==1)
; write_command(128+y);
; else
; write_command(192+y);
; write_data(number[i]);
; } */
;
; /*------DS18B20------*/
;
;
; void delay_18B20(unsigned int i)
RSEG ?PR?_delay_18B20?DS18B20
L?0029:
USING 0
LCALL _WriteOneChar
MOV R7,#064H
MOV R6,#00H
_delay_18B20:
USING 0
; SOURCE LINE # 83
;---- Variable 'i?445' assigned to Register 'R6/R7' ----
; {
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