iic0.src

一个温度采集系统的单片机程序与WINDOWS 串口通信程序

; IIC0.SRC generated from: IIC0.c
; COMPILER INVOKED BY:
;        C:\PROGRA~1\Keil\C51\BIN\c51.exe IIC0.c DB OE SMALL ROM(LARGE)

$NOMOD51

NAME	IIC0

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
led	BIT	090H.2
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?_delay_time?IIC0 SEGMENT CODE 
?PR?delay_time_1s?IIC0                   SEGMENT CODE 
?DT?delay_time_1s?IIC0                   SEGMENT DATA OVERLAYABLE 
?PR?main?IIC0        SEGMENT CODE 
?DT?main?IIC0        SEGMENT DATA OVERLAYABLE 
?C_INITSEG           SEGMENT CODE 
?DT?IIC0             SEGMENT DATA 
	EXTRN	CODE (_wradr)
	EXTRN	DATA (?_wradr?BYTE)
	EXTRN	CODE (_rdadr)
	EXTRN	DATA (?_rdadr?BYTE)
	EXTRN	CODE (_rdnbyt)
	EXTRN	CODE (?C_STARTUP)
	PUBLIC	receive_data
	PUBLIC	init_adr
	PUBLIC	data_rom
	PUBLIC	main
	PUBLIC	delay_time_1s
	PUBLIC	_delay_time

	RSEG  ?DT?main?IIC0
?main?BYTE:
          i?243:   DS   1

	RSEG  ?DT?delay_time_1s?IIC0
?delay_time_1s?BYTE:
          i?142:   DS   1

	RSEG  ?DT?IIC0
       data_rom:   DS   8
       init_adr:   DS   1
   receive_data:   DS   16

	RSEG  ?C_INITSEG
	DB	001H
	DB	init_adr
	DB	000H

	DB	008H
	DB	data_rom
	DB	00DH
	DB	00AH
	DB	0ABH
	DB	0A5H
	DB	004H
	DB	005H
	DB	006H
	DB	007H

; #pragma src small
; extern   wradr(unsigned char  *index,unsigned char suadr ,char numbyt);
; extern   rdadr(unsigned char  *index,unsigned char suadr ,char numbyt);
; extern   rdnbyt(unsigned char  *index,char numbyt);
; extern   wrnbyt(unsigned char *index,char numbyt); 
; 
; #include<reg51.h>
; #include<intrins.h>
; 
; unsigned char data init_adr	=0x00;
; 
; unsigned char data data_rom[]	={0x0D,0x0A,0xAB,0xA5,0x04,0x05,0x06,0x07};					 
; unsigned char data receive_data[16];
; 
; sbit	led 	=0x92;
; //////////////////////////////
; //名称：延迟程序
; //功能：根据参数延迟
; /////////////////////////////
; void delay_time(unsigned int us)          //29us/40us/52us/64us

	RSEG  ?PR?_delay_time?IIC0
_delay_time:
	USING	0
			; SOURCE LINE # 20
;---- Variable 'us?040' assigned to Register 'R6/R7' ----
; {  
			; SOURCE LINE # 21
; 	unsigned int data i;
; 	for(i=0;i<=us;i++) 
			; SOURCE LINE # 23
;---- Variable 'i?041' assigned to Register 'R4/R5' ----
	CLR  	A
	MOV  	R5,A
	MOV  	R4,A
?C0001:
	SETB 	C
	MOV  	A,R5
	SUBB 	A,R7
	MOV  	A,R4
	SUBB 	A,R6
	JNC  	?C0004
; 	_nop_();
			; SOURCE LINE # 24
	NOP  	
	INC  	R5
	CJNE 	R5,#00H,?C0014
	INC  	R4
?C0014:
	SJMP 	?C0001
; }
			; SOURCE LINE # 25
?C0004:
	RET  	
; END OF _delay_time

; 
; void delay_time_1s  (void)                //实际模拟仿真测试 /0.9s

	RSEG  ?PR?delay_time_1s?IIC0
delay_time_1s:
	USING	0
			; SOURCE LINE # 27
; {
			; SOURCE LINE # 28
?C0005:
; 	unsigned char i;
;       while(i<4)
			; SOURCE LINE # 30
	MOV  	A,i?142
	CLR  	C
	SUBB 	A,#04H
	JNC  	?C0007
;       {
			; SOURCE LINE # 31
; 	  delay_time(8000);
			; SOURCE LINE # 32
	MOV  	R7,#040H
	MOV  	R6,#01FH
	LCALL	_delay_time
;         _nop_();
			; SOURCE LINE # 33
	NOP  	
;         delay_time(8000);
			; SOURCE LINE # 34
	LCALL	_delay_time
;         i++;
			; SOURCE LINE # 35
	INC  	i?142
;       }
			; SOURCE LINE # 36
	SJMP 	?C0005
; } 
			; SOURCE LINE # 37
?C0007:
	RET  	
; END OF delay_time_1s

; 
; ////////////////////////////////
; //名称：主程序
; ///////////////////////////////
; main()

	RSEG  ?PR?main?IIC0
main:
	USING	0
			; SOURCE LINE # 42
; {
			; SOURCE LINE # 43
; unsigned char  i;
; 
; led	=led^0x01;
			; SOURCE LINE # 46
	MOV  	C,led
	CPL  	C
	MOV  	led,C
; for(i=0;i<4;i++)
			; SOURCE LINE # 47
	CLR  	A
	MOV  	i?243,A
?C0008:
; {
			; SOURCE LINE # 48
; 	
; 	wradr(&data_rom[2*i],init_adr+2*i,2); 		 //写入表格数据到EEPROM中
			; SOURCE LINE # 50
	MOV  	A,i?243
	MOV  	B,#02H
	MUL  	AB
	ADD  	A,#LOW (data_rom)
	MOV  	R1,A
	CLR  	A
	MOV  	R2,A
	MOV  	R3,A
	MOV  	A,i?243
	ADD  	A,ACC
	ADD  	A,init_adr
	MOV  	R5,A
	MOV  	?_wradr?BYTE+04H,#02H
	LCALL	_wradr
; }
			; SOURCE LINE # 51
	INC  	i?243
	MOV  	A,i?243
	CLR  	C
	SUBB 	A,#04H
	JC   	?C0008
?C0009:
; //wrnbyt(&data_rom[1],1);
; 
; delay_time_1s();	
			; SOURCE LINE # 54
	LCALL	delay_time_1s
; 	
; rdadr(&receive_data[0],0x10,2);    //从EEPROM中读数据到RAM单元
			; SOURCE LINE # 56
	MOV  	R3,#00H
	MOV  	R2,#HIGH (receive_data)
	MOV  	R1,#LOW (receive_data)
	MOV  	?_rdadr?BYTE+04H,#02H
	MOV  	R5,#010H
	LCALL	_rdadr
; rdnbyt(&receive_data[2],6);
			; SOURCE LINE # 57
	MOV  	R3,#00H
	MOV  	R2,#HIGH (receive_data+02H)
	MOV  	R1,#LOW (receive_data+02H)
	MOV  	R5,#06H
	LCALL	_rdnbyt
?C0011:
; 
; while(1);
			; SOURCE LINE # 59
	SJMP 	?C0011
; END OF main

	END