crc_chk.src

一个温度采集系统的单片机程序与WINDOWS 串口通信程序

; crc_chk.SRC generated from: crc_chk.c
; COMPILER INVOKED BY:
;        C:\PROGRA~1\Keil\C51\BIN\c51.exe crc_chk.c DB OE SMALL ROM(LARGE)

$NOMOD51

NAME	CRC_CHK

P0	DATA	080H
P1	DATA	090H
P2	DATA	0A0H
P3	DATA	0B0H
T0	BIT	0B0H.4
AC	BIT	0D0H.6
T1	BIT	0B0H.5
EA	BIT	0A8H.7
IE	DATA	0A8H
RD	BIT	0B0H.7
ES	BIT	0A8H.4
IP	DATA	0B8H
RI	BIT	098H.0
INT0	BIT	0B0H.2
CY	BIT	0D0H.7
TI	BIT	098H.1
INT1	BIT	0B0H.3
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
TF1	BIT	088H.7
RB8	BIT	098H.2
TH0	DATA	08CH
EX0	BIT	0A8H.0
IT0	BIT	088H.0
TH1	DATA	08DH
TB8	BIT	098H.3
EX1	BIT	0A8H.2
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
PT1	BIT	0B8H.3
RS0	BIT	0D0H.3
TR0	BIT	088H.4
RS1	BIT	0D0H.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?_OWCrc?CRC_CHK   SEGMENT CODE 
?CO?CRC_CHK          SEGMENT CODE 
?DT?CRC_CHK          SEGMENT DATA 
	PUBLIC	dowcrc
	PUBLIC	dscrc_table
	PUBLIC	_OWCrc

	RSEG  ?DT?CRC_CHK
         dowcrc:   DS   1

	RSEG  ?CO?CRC_CHK
dscrc_table:
	DB	000H
	DB	05EH
	DB	0BCH
	DB	0E2H
	DB	061H
	DB	03FH
	DB	0DDH
	DB	083H
	DB	0C2H
	DB	09CH
	DB	07EH
	DB	020H
	DB	0A3H
	DB	0FDH
	DB	01FH
	DB	041H
	DB	09DH
	DB	0C3H
	DB	021H
	DB	07FH
	DB	0FCH
	DB	0A2H
	DB	040H
	DB	01EH
	DB	05FH
	DB	001H
	DB	0E3H
	DB	0BDH
	DB	03EH
	DB	060H
	DB	082H
	DB	0DCH
	DB	023H
	DB	07DH
	DB	09FH
	DB	0C1H
	DB	042H
	DB	01CH
	DB	0FEH
	DB	0A0H
	DB	0E1H
	DB	0BFH
	DB	05DH
	DB	003H
	DB	080H
	DB	0DEH
	DB	03CH
	DB	062H
	DB	0BEH
	DB	0E0H
	DB	002H
	DB	05CH
	DB	0DFH
	DB	081H
	DB	063H
	DB	03DH
	DB	07CH
	DB	022H
	DB	0C0H
	DB	09EH
	DB	01DH
	DB	043H
	DB	0A1H
	DB	0FFH
	DB	046H
	DB	018H
	DB	0FAH
	DB	0A4H
	DB	027H
	DB	079H
	DB	09BH
	DB	0C5H
	DB	084H
	DB	0DAH
	DB	038H
	DB	066H
	DB	0E5H
	DB	0BBH
	DB	059H
	DB	007H
	DB	0DBH
	DB	085H
	DB	067H
	DB	039H
	DB	0BAH
	DB	0E4H
	DB	006H
	DB	058H
	DB	019H
	DB	047H
	DB	0A5H
	DB	0FBH
	DB	078H
	DB	026H
	DB	0C4H
	DB	09AH
	DB	065H
	DB	03BH
	DB	0D9H
	DB	087H
	DB	004H
	DB	05AH
	DB	0B8H
	DB	0E6H
	DB	0A7H
	DB	0F9H
	DB	01BH
	DB	045H
	DB	0C6H
	DB	098H
	DB	07AH
	DB	024H
	DB	0F8H
	DB	0A6H
	DB	044H
	DB	01AH
	DB	099H
	DB	0C7H
	DB	025H
	DB	07BH
	DB	03AH
	DB	064H
	DB	086H
	DB	0D8H
	DB	05BH
	DB	005H
	DB	0E7H
	DB	0B9H
	DB	08CH
	DB	0D2H
	DB	030H
	DB	06EH
	DB	0EDH
	DB	0B3H
	DB	051H
	DB	00FH
	DB	04EH
	DB	010H
	DB	0F2H
	DB	0ACH
	DB	02FH
	DB	071H
	DB	093H
	DB	0CDH
	DB	011H
	DB	04FH
	DB	0ADH
	DB	0F3H
	DB	070H
	DB	02EH
	DB	0CCH
	DB	092H
	DB	0D3H
	DB	08DH
	DB	06FH
	DB	031H
	DB	0B2H
	DB	0ECH
	DB	00EH
	DB	050H
	DB	0AFH
	DB	0F1H
	DB	013H
	DB	04DH
	DB	0CEH
	DB	090H
	DB	072H
	DB	02CH
	DB	06DH
	DB	033H
	DB	0D1H
	DB	08FH
	DB	00CH
	DB	052H
	DB	0B0H
	DB	0EEH
	DB	032H
	DB	06CH
	DB	08EH
	DB	0D0H
	DB	053H
	DB	00DH
	DB	0EFH
	DB	0B1H
	DB	0F0H
	DB	0AEH
	DB	04CH
	DB	012H
	DB	091H
	DB	0CFH
	DB	02DH
	DB	073H
	DB	0CAH
	DB	094H
	DB	076H
	DB	028H
	DB	0ABH
	DB	0F5H
	DB	017H
	DB	049H
	DB	008H
	DB	056H
	DB	0B4H
	DB	0EAH
	DB	069H
	DB	037H
	DB	0D5H
	DB	08BH
	DB	057H
	DB	009H
	DB	0EBH
	DB	0B5H
	DB	036H
	DB	068H
	DB	08AH
	DB	0D4H
	DB	095H
	DB	0CBH
	DB	029H
	DB	077H
	DB	0F4H
	DB	0AAH
	DB	048H
	DB	016H
	DB	0E9H
	DB	0B7H
	DB	055H
	DB	00BH
	DB	088H
	DB	0D6H
	DB	034H
	DB	06AH
	DB	02BH
	DB	075H
	DB	097H
	DB	0C9H
	DB	04AH
	DB	014H
	DB	0F6H
	DB	0A8H
	DB	074H
	DB	02AH
	DB	0C8H
	DB	096H
	DB	015H
	DB	04BH
	DB	0A9H
	DB	0F7H
	DB	0B6H
	DB	0E8H
	DB	00AH
	DB	054H
	DB	0D7H
	DB	089H
	DB	06BH
	DB	035H

; #pragma src
; #include<reg51.h>
; 
; unsigned char data dowcrc;
; //////////////////////////////////////////////////////////////////////////////
; // CRC TABLE
; //
; 
; unsigned char code dscrc_table[] = {
; 0, 94,188,226, 97, 63,221,131,194,156,126, 32,163,253, 31, 65,
; 157,195, 33,127,252,162, 64, 30, 95, 1,227,189, 62, 96,130,220,
; 35,125,159,193, 66, 28,254,160,225,191, 93, 3,128,222, 60, 98,
; 190,224, 2, 92,223,129, 99, 61,124, 34,192,158, 29, 67,161,255,
; 70, 24,250,164, 39,121,155,197,132,218, 56,102,229,187, 89, 7,
; 219,133,103, 57,186,228, 6, 88, 25, 71,165,251,120, 38,196,154,
; 101, 59,217,135, 4, 90,184,230,167,249, 27, 69,198,152,122, 36,
; 248,166, 68, 26,153,199, 37,123, 58,100,134,216, 91, 5,231,185,
; 140,210, 48,110,237,179, 81, 15, 78, 16,242,172, 47,113,147,205,
; 17, 79,173,243,112, 46,204,146,211,141,111, 49,178,236, 14, 80,
; 175,241, 19, 77,206,144,114, 44,109, 51,209,143, 12, 82,176,238,
; 50,108,142,208, 83, 13,239,177,240,174, 76, 18,145,207, 45,115,
; 202,148,118, 40,171,245, 23, 73, 8, 86,180,234,105, 55,213,139,
; 87, 9,235,181, 54,104,138,212,149,203, 41,119,244,170, 72, 22,
; 233,183, 85, 11,136,214, 52,106, 43,117,151,201, 74, 20,246,168,
; 116, 42,200,150, 21, 75,169,247,182,232, 10, 84,215,137,107, 53
; 						};
; 
; 
; 
; //CACULATE CRC CODE BYTE BY BYTE
; unsigned char OWCrc( unsigned char x,unsigned char init_flg)

	RSEG  ?PR?_OWCrc?CRC_CHK
_OWCrc:
	USING	0
			; SOURCE LINE # 31
;---- Variable 'init_flg?041' assigned to Register 'R5' ----
;---- Variable 'x?040' assigned to Register 'R7' ----
; {
			; SOURCE LINE # 32
; 	if(init_flg!=0)
			; SOURCE LINE # 33
	MOV  	A,R5
	JZ   	?C0001
; 	dowcrc	=0;
			; SOURCE LINE # 34
	CLR  	A
	MOV  	dowcrc,A
?C0001:
; 	
; 	dowcrc = dscrc_table[dowcrc^x];
			; SOURCE LINE # 36
	MOV  	A,dowcrc
	XRL  	A,R7
	MOV  	DPTR,#dscrc_table
	MOVC 	A,@A+DPTR
	MOV  	dowcrc,A
; 	return dowcrc;
			; SOURCE LINE # 37
	MOV  	R7,A
; }
			; SOURCE LINE # 38
?C0002:
	RET  	
; END OF _OWCrc

	END