📄 stest.src
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; .\stest.SRC generated from: stest.c
$NOMOD51
NAME STEST
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
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
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
REN BIT 098H.4
RXD BIT 0B0H.0
TXD BIT 0B0H.1
F0 BIT 0D0H.5
PSW DATA 0D0H
?PR?initUart?STEST SEGMENT CODE
?PR?uart?STEST SEGMENT CODE
?DT?uart?STEST SEGMENT DATA OVERLAYABLE
?PR?Delay_110?STEST SEGMENT CODE
?PR?Delay_510?STEST SEGMENT CODE
?PR?InitDS1820?STEST SEGMENT CODE
?PR?_ds1820command?STEST SEGMENT CODE
?DT?_ds1820command?STEST SEGMENT DATA OVERLAYABLE
?PR?_ds1820rd?STEST SEGMENT CODE
?DT?_ds1820rd?STEST SEGMENT DATA OVERLAYABLE
?PR?tmtoc?STEST SEGMENT CODE
?DT?tmtoc?STEST SEGMENT DATA OVERLAYABLE
?PR?_disp?STEST SEGMENT CODE
?PR?TMCLSHOW?STEST SEGMENT CODE
?PR?main?STEST SEGMENT CODE
?CO?STEST SEGMENT CODE
?C_INITSEG SEGMENT CODE
?BI?STEST SEGMENT BIT
?DT?STEST SEGMENT DATA
EXTRN CODE (?C?FCASTI)
EXTRN CODE (?C?FPMUL)
EXTRN CODE (?C?FPADD)
EXTRN CODE (?C?CASTF)
EXTRN CODE (?C?SIDIV)
EXTRN CODE (?C?CLDPTR)
EXTRN CODE (?C_STARTUP)
PUBLIC t
PUBLIC recived
PUBLIC DS1820ERR
PUBLIC MYWD
PUBLIC TMCL
PUBLIC comzf
PUBLIC comno
PUBLIC DS1820ON
PUBLIC disbuf
PUBLIC trance
PUBLIC readtm
PUBLIC main
PUBLIC TMCLSHOW
PUBLIC _disp
PUBLIC tmtoc
PUBLIC _ds1820rd
PUBLIC _ds1820command
PUBLIC InitDS1820
PUBLIC Delay_510
PUBLIC Delay_110
PUBLIC uart
PUBLIC initUart
RSEG ?DT?tmtoc?STEST
?tmtoc?BYTE:
sign?743: DS 1
tm?744: DS 2
RSEG ?DT?uart?STEST
?uart?BYTE:
m?140: DS 1
RSEG ?DT?_ds1820rd?STEST
?_ds1820rd?BYTE:
pt?642: DS 3
RSEG ?DT?_ds1820command?STEST
?_ds1820command?BYTE:
a?541: DS 1
RSEG ?BI?STEST
readtm: DBIT 1
DS1820ON: DBIT 1
RSEG ?DT?STEST
trance: DS 1
disbuf: DS 10
comno: DS 1
comzf: DS 1
TMCL: DS 5
MYWD: DS 7
DS1820ERR: DS 11
recived: DS 1
t: DS 2
RSEG ?CO?STEST
?SC_0:
DB 'N' ,'O' ,'W' ,',' ,'t' ,'e' ,'m' ,'p' ,'e' ,'r'
DB 'a' ,'t' ,'u' ,'r' ,'e' ,' ' ,'i' ,'s' ,':' ,000H
?SC_20:
DB 00AH,000H
RSEG ?C_INITSEG
DB 007H
DB MYWD
DB 000H
DB 000H
DB 000H
DB 000H
DB 000H
DB 060H
DB 043H
DB 00BH
DB DS1820ERR
DB 'N' ,'O' ,' ' ,'D' ,'S' ,'1' ,'8' ,'2' ,'0' ,'!'
DB 000H
DB 005H
DB TMCL
DB 'T' ,'M' ,'C' ,'L' ,000H
DB 00AH
DB disbuf
DB 000H
DB 000H,000H,000H,000H,000H,000H,000H,000H,000H
DB 001H
DB trance
DB 000H
DB 001H
DB recived
DB 000H
DB 001H
DB comno
DB 000H
; #include <AT89X51.h>
; #include <intrins.h>
;
;
; #define TMPort P1_7
;
; unsigned char MYWD[7]={0,0,0,0,0,'`','C'},DS1820ERR[]="NO DS1820!",TMCL[]={"TMCL"};
; unsigned char disbuf[10]={0};
; unsigned char trance=0,recived=0,comno=0,comzf;//发送状态、接受命令字符序号、接收的字符
;
; unsigned int t;
; bit DS1820ON,readtm;//DS1820响应、是否接收测温命令。
;
; void initUart(void)//波特率9600，24M时钟
RSEG ?PR?initUart?STEST
initUart:
; SOURCE LINE # 14
; {
; SOURCE LINE # 15
; TMOD|=0x20;
; SOURCE LINE # 16
ORL TMOD,#020H
; SCON=0x50;
; SOURCE LINE # 17
MOV SCON,#050H
; PCON|=0x80;
; SOURCE LINE # 18
ORL PCON,#080H
; TH1=0xf3;
; SOURCE LINE # 19
MOV TH1,#0F3H
; TL1=0xf3;
; SOURCE LINE # 20
MOV TL1,#0F3H
; TR1=1;
; SOURCE LINE # 21
SETB TR1
; ES=1;
; SOURCE LINE # 22
SETB ES
; }
; SOURCE LINE # 23
RET
; END OF initUart
CSEG AT 00023H
LJMP uart
;
;
; void uart(void) interrupt 4
RSEG ?PR?uart?STEST
USING 0
uart:
; SOURCE LINE # 26
; {
; unsigned char m=0;
; SOURCE LINE # 28
MOV m?140,#00H
; if(RI)
; SOURCE LINE # 29
JNB RI,?C0002
; {comzf=SBUF;RI=0;recived=1;}
; SOURCE LINE # 30
MOV comzf,SBUF
CLR RI
MOV recived,#01H
RETI
?C0002:
; else
; {TI=0;trance=1;}
; SOURCE LINE # 32
CLR TI
MOV trance,#01H
; }
; SOURCE LINE # 33
?C0004:
RETI
; END OF uart
;
;
; void Delay_110(void) //延时110微秒，24M晶振
RSEG ?PR?Delay_110?STEST
Delay_110:
; SOURCE LINE # 36
; {EA=0;
; SOURCE LINE # 37
CLR EA
; #pragma asm
; MOV R0,#34H
MOV R0,#34H
; MOV R1,#02H
MOV R1,#02H
; TSR2:
TSR2:
; DJNZ R0,TSR2
DJNZ R0,TSR2
; MOV R0,#34H
MOV R0,#34H
; DJNZ R1,TSR2
DJNZ R1,TSR2
; #pragma endasm
; EA=1;}
; SOURCE LINE # 46
SETB EA
RET
; END OF Delay_110
;
; void Delay_510(void) //延时510微秒，24M晶振
RSEG ?PR?Delay_510?STEST
Delay_510:
; SOURCE LINE # 48
; {EA=0;
; SOURCE LINE # 49
CLR EA
; #pragma asm
; nop
nop
; nop
nop
; MOV R0,#7DH
MOV R0,#7DH
; MOV R1,#04H
MOV R1,#04H
; TSR1:
TSR1:
; DJNZ R0,TSR1
DJNZ R0,TSR1
; MOV R0,#7DH
MOV R0,#7DH
; DJNZ R1,TSR1
DJNZ R1,TSR1
; #pragma endasm
; EA=1;}
; SOURCE LINE # 60
SETB EA
RET
; END OF Delay_510
;
; void InitDS1820(void) //初始化DS1820
RSEG ?PR?InitDS1820?STEST
InitDS1820:
; SOURCE LINE # 62
; { EA=0;
; SOURCE LINE # 63
CLR EA
; TMPort = 1; //拉高TMPort
; SOURCE LINE # 64
SETB P1_7
; _nop_();//保持一个周期
; SOURCE LINE # 65
NOP
; _nop_();
; SOURCE LINE # 66
NOP
; TMPort = 0; //拉低TMPort
; SOURCE LINE # 67
CLR P1_7
; Delay_510(); //延时 DS1820复位时间要500us的低电平
; SOURCE LINE # 68
LCALL Delay_510
; TMPort = 1; //拉高TMPort
; SOURCE LINE # 69
SETB P1_7
; Delay_110(); //延时110us 等待DS1820回应
; SOURCE LINE # 70
LCALL Delay_110
; if (!TMPort) //回应信号为低电平
; SOURCE LINE # 71
JB P1_7,?C0007
; {DS1820ON=1;}
; SOURCE LINE # 72
SETB DS1820ON
SJMP ?C0008
?C0007:
; else
; {DS1820ON=0;}
; SOURCE LINE # 74
CLR DS1820ON
?C0008:
; Delay_110(); //延时
; SOURCE LINE # 75
LCALL Delay_110
; Delay_110();
; SOURCE LINE # 76
LCALL Delay_110
; TMPort=1; //拉高TMPort
; SOURCE LINE # 77
SETB P1_7
; EA=1;
; SOURCE LINE # 78
SETB EA
; }
; SOURCE LINE # 79
RET
; END OF InitDS1820
;
;
; void ds1820command(unsigned char a) //写ds1820命令函数。
RSEG ?PR?_ds1820command?STEST
_ds1820command:
; SOURCE LINE # 82
MOV a?541,R7
; {
; SOURCE LINE # 83
; EA=0;
; SOURCE LINE # 84
CLR EA
; #pragma asm
; MOV A,R7
MOV A,R7
; MOV R2,#8
MOV R2,#8
; CLR C
CLR C
; WR1:
WR1:
; CLR TMPort
CLR P1_7
; MOV R3,#2//延时3us,24M时钟
MOV R3,#2
; DJNZ R3,$
DJNZ R3,$
; RRC A
RRC A
; MOV TMPort,C
MOV P1_7,C
; MOV R3,#68//延时70us
MOV R3,#68
; DJNZ R3,$
DJNZ R3,$
; SETB TMPort
SETB P1_7
; NOP
NOP
; NOP
NOP
; NOP
NOP
; NOP
NOP
; DJNZ R2,WR1
DJNZ R2,WR1
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