📄 com.src
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; .\COM.SRC generated from: COM.C
; COMPILER INVOKED BY:
; E:\Program Files\C51\BIN\C51.EXE COM.C BROWSE DEBUG OBJECTEXTEND SRC(.\COM.SRC)
$NOMOD51
NAME COM
P0 DATA 080H
P1 DATA 090H
P2 DATA 0A0H
P3 DATA 0B0H
T0 BIT 0B0H.4
AC BIT 0D0H.6
T1 BIT 0B0H.5
T2 BIT 090H.0
EA BIT 0A8H.7
IE DATA 0A8H
EXF2 BIT 0C8H.6
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
RCAP2H DATA 0CBH
PS BIT 0B8H.4
SP DATA 081H
T2EX BIT 090H.1
OV BIT 0D0H.2
RCAP2L DATA 0CAH
C_T2 BIT 0C8H.1
WR BIT 0B0H.6
RCLK BIT 0C8H.5
TCLK BIT 0C8H.4
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
CP_RL2 BIT 0C8H.0
ACC DATA 0E0H
ET0 BIT 0A8H.1
ET1 BIT 0A8H.3
TF0 BIT 088H.5
ET2 BIT 0A8H.5
TF1 BIT 088H.7
TF2 BIT 0C8H.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
TH2 DATA 0CDH
P BIT 0D0H.0
SM0 BIT 098H.7
TL0 DATA 08AH
SM1 BIT 098H.6
TL1 DATA 08BH
SM2 BIT 098H.5
TL2 DATA 0CCH
PT0 BIT 0B8H.1
LED BIT 090H.2
PT1 BIT 0B8H.3
RS0 BIT 0D0H.3
PT2 BIT 0B8H.5
TR0 BIT 088H.4
RS1 BIT 0D0H.4
TR1 BIT 088H.6
SDA BIT 090H.1
TR2 BIT 0C8H.2
PX0 BIT 0B8H.0
PX1 BIT 0B8H.2
DPH DATA 083H
DPL DATA 082H
SCL BIT 090H.0
EXEN2 BIT 0C8H.3
REN BIT 098H.4
T2CON DATA 0C8H
RXD BIT 0B0H.0
TXD BIT 0B0H.1
F0 BIT 0D0H.5
PSW DATA 0D0H
?PR?initial?COM SEGMENT CODE
?PR?main?COM SEGMENT CODE
?PR?vGet_Send?COM SEGMENT CODE
?DT?vGet_Send?COM SEGMENT DATA OVERLAYABLE
?PR?send?COM SEGMENT CODE
?PR?serial?COM SEGMENT CODE
?PR?_delay?COM SEGMENT CODE
?PR?Start_I2c?COM SEGMENT CODE
?PR?Stop_I2c?COM SEGMENT CODE
?PR?_SendB?COM SEGMENT CODE
?PR?RcvB?COM SEGMENT CODE
?PR?Ack_I2c?COM SEGMENT CODE
?BI?Ack_I2c?COM SEGMENT BIT OVERLAYABLE
?DT?COM SEGMENT DATA
?BI?COM SEGMENT BIT
EXTRN CODE (?C_STARTUP)
PUBLIC buffer
PUBLIC sbuffer
PUBLIC i
PUBLIC receive
PUBLIC sendFINS
PUBLIC copyOK
PUBLIC cmd_numb
PUBLIC re_finish
PUBLIC number?
PUBLIC ?Ack_I2c?BIT
PUBLIC Ack_I2c
PUBLIC RcvB
PUBLIC _SendB
PUBLIC Stop_I2c
PUBLIC Start_I2c
PUBLIC _delay
PUBLIC serial
PUBLIC send
PUBLIC vGet_Send
PUBLIC main
PUBLIC initial
RSEG ?DT?vGet_Send?COM
?vGet_Send?BYTE:
i?241: DS 1
RSEG ?BI?Ack_I2c?COM
?Ack_I2c?BIT:
a?1049: DBIT 1
RSEG ?DT?COM
number?: DS 1
cmd_numb: DS 1
copyOK: DS 1
sendFINS: DS 1
i: DS 1
sbuffer: DS 1
buffer: DS 8
RSEG ?BI?COM
re_finish: DBIT 1
receive: DBIT 1
;
; /*****************************************************************/
; /* */
; /*名称： 24C02读写程序 */
; /*功能： 接收串口发来的数据，写到24C02里面 */
; /* 再从24C02里读出刚写进的数据，由串口发出 */
; /*难度等级： 高 */
; /* 作者： zengrenliang */
; /* 版权： http://www.51kaifa.com */
; /*编写日期： 2006.05.21 */
; /*****************************************************************/
;
; #include <reg52.h>
; #define uchar unsigned char
; #define uint unsigned int
; sbit SCL=P1^0;//I2C时钟线
; sbit SDA=P1^1;//I2C数据线
;
; bit receive;//接收标志
; bit re_finish;//接收一串字符完成标志
; sbit LED = P1^2;//LED指示灯
;
; uchar i,buffer[8];//串口缓冲区
; uchar sbuffer,number;//发送字符个数
; uchar sendFINS ;//发送完成标志
; uchar copyOK , cmd_numb ;//发送缓冲区填充完成
;
; extern void Start_I2c();
; extern void Stop_I2c();
; extern uchar RcvB();
; void send(void);
; void vGet_Send(void);
; extern void Ack_I2c(bit a);
; extern void SendB(uchar c);
; extern void delay(unsigned int loop);
;
; /*******************************系统初始化***********************/
; void initial()
RSEG ?PR?initial?COM
initial:
USING 0
; SOURCE LINE # 38
; { unsigned char j;
; SOURCE LINE # 39
;
; SCON=0x50; //串口工作方式1，允许接收
; SOURCE LINE # 41
MOV SCON,#050H
; PCON=0x80; //波特率翻倍
; SOURCE LINE # 42
MOV PCON,#080H
; TCON=0;
; SOURCE LINE # 43
CLR A
MOV TCON,A
; TMOD=0x26; //T1用于串口波特率控制
; SOURCE LINE # 44
MOV TMOD,#026H
; TL1=0xfa; //初始化T1，波特率为9600（晶振11.0592M）
; SOURCE LINE # 45
MOV TL1,#0FAH
; TH1=0xfa;
; SOURCE LINE # 46
MOV TH1,#0FAH
; TR1=1; //开定时器
; SOURCE LINE # 47
SETB TR1
; EA=1; //开总中断
; SOURCE LINE # 48
SETB EA
; ES=1; //开串口中断
; SOURCE LINE # 49
SETB ES
; copyOK = 0; //缓冲区准备好标志清零
; SOURCE LINE # 50
MOV copyOK,A
; receive = 0; //接收标志清零
; SOURCE LINE # 51
CLR receive
; re_finish = 0; //接受完成标志清零
; SOURCE LINE # 52
CLR re_finish
; cmd_numb = 0; //接受计数器清零
; SOURCE LINE # 53
MOV cmd_numb,A
;
; for(j=0; j<8; j++) //串口缓冲区清空
; SOURCE LINE # 55
;---- Variable 'j?040' assigned to Register 'R7' ----
MOV R7,A
?C0001:
; buffer[i] = 0xff; //table[18]为空显示
; SOURCE LINE # 56
MOV A,#LOW (buffer)
ADD A,i
MOV R0,A
MOV @R0,#0FFH
INC R7
CJNE R7,#08H,?C0001
; }
; SOURCE LINE # 57
?C0004:
RET
; END OF initial
;
; /******************************主函数**************************/
;
; main()
RSEG ?PR?main?COM
main:
USING 0
; SOURCE LINE # 61
; {
; SOURCE LINE # 62
; initial();
; SOURCE LINE # 63
LCALL initial
?C0005:
; while(1){
; SOURCE LINE # 64
; if(re_finish){//接收一串字符完成
; SOURCE LINE # 65
JNB re_finish,?C0005
; re_finish = 0;
; SOURCE LINE # 66
CLR re_finish
; vGet_Send();
; SOURCE LINE # 67
LCALL vGet_Send
; }
; SOURCE LINE # 68
; }
; SOURCE LINE # 69
SJMP ?C0005
; END OF main
; }
;
; /*****************************保存和串口发送**************************/
; void vGet_Send(void)
RSEG ?PR?vGet_Send?COM
vGet_Send:
USING 0
; SOURCE LINE # 73
; { uchar i;
; SOURCE LINE # 74
;
; Start_I2c();
; SOURCE LINE # 76
LCALL Start_I2c
; SendB(0xa0);
; SOURCE LINE # 77
MOV R7,#0A0H
LCALL _SendB
; SendB(0x10); //数据存放初始地址为0x06
; SOURCE LINE # 78
MOV R7,#010H
LCALL _SendB
; for(i=0;i<6;i++)
; SOURCE LINE # 79
CLR A
MOV i?241,A
?C0009:
; {SendB(buffer[i]); //向24C02写6个数据
; SOURCE LINE # 80
MOV A,#LOW (buffer)
ADD A,i?241
MOV R0,A
MOV A,@R0
MOV R7,A
LCALL _SendB
; delay(2); }
; SOURCE LINE # 81
MOV R7,#02H
MOV R6,#00H
LCALL _delay
INC i?241
MOV A,i?241
CLR C
SUBB A,#06H
JC ?C0009
?C0010:
; Stop_I2c();
; SOURCE LINE # 82
LCALL Stop_I2c
;
; delay(1000);
; SOURCE LINE # 84
MOV R7,#0E8H
MOV R6,#03H
LCALL _delay
;
; for(i=0;i<8;i++)
; SOURCE LINE # 86
CLR A
MOV i?241,A
?C0012:
; buffer[i] = 0xff; //用0xff填充发送缓冲区
; SOURCE LINE # 87
MOV A,#LOW (buffer)
ADD A,i?241
MOV R0,A
MOV @R0,#0FFH
INC i?241
MOV A,i?241
CJNE A,#08H,?C0012
?C0013:
;
; for(i=0;i<6;i++){
; SOURCE LINE # 89
CLR A
MOV i?241,A
?C0015:
; Start_I2c();
; SOURCE LINE # 90
LCALL Start_I2c
; SendB(0xa0); //从24C02读取刚才写入的数据
; SOURCE LINE # 91
MOV R7,#0A0H
LCALL _SendB
; SendB(0x10+i); //数据存放地址为0x06+i
; SOURCE LINE # 92
MOV A,i?241
ADD A,#010H
MOV R7,A
LCALL _SendB
; Start_I2c();
; SOURCE LINE # 93
LCALL Start_I2c
; SendB(0xa1);
; SOURCE LINE # 94
MOV R7,#0A1H
LCALL _SendB
; buffer[i]=RcvB(); //读取的值送串口缓冲区
; SOURCE LINE # 95
LCALL RcvB
MOV A,#LOW (buffer)
ADD A,i?241
MOV R0,A
MOV @R0,AR7
; Ack_I2c(1);
; SOURCE LINE # 96
SETB ?Ack_I2c?BIT
LCALL Ack_I2c
; Stop_I2c();
; SOURCE LINE # 97
LCALL Stop_I2c
; }
; SOURCE LINE # 98
INC i?241
MOV A,i?241
CLR C
SUBB A,#06H
JC ?C0015
?C0016:
; copyOK = 1; //置准备好标志
; SOURCE LINE # 99
MOV copyOK,#01H
; send(); //向串口发送
; SOURCE LINE # 100
LJMP send
; END OF vGet_Send
; }
;
; /*****************************串口发送***************************/
;
; void send(void)//向串口发送字符串
RSEG ?PR?send?COM
send:
USING 0
; SOURCE LINE # 105
; {
; SOURCE LINE # 106
;
; if(copyOK) //串口准备好且缓冲区准备好
; SOURCE LINE # 108
MOV A,copyOK
JZ ?C0021
; {
; SOURCE LINE # 109
; i = 0;
; SOURCE LINE # 110
CLR A
MOV i,A
; REN = 0; //发送过程中禁止接收数据
; SOURCE LINE # 111
CLR REN
; copyOK = 0; //清缓冲区准备好标志
; SOURCE LINE # 112
MOV copyOK,A
; SBUF = buffer[i++]; //发送字符串首字符
; SOURCE LINE # 113
MOV R7,i
INC i
MOV A,#LOW (buffer)
ADD A,R7
MOV R0,A
MOV A,@R0
MOV SBUF,A
; number = 7; //置发送计数器
; SOURCE LINE # 114
MOV number?,#07H
; }
; SOURCE LINE # 115
; else
; return; //没准备好则返回
; }
; SOURCE LINE # 118
?C0021:
RET
; END OF send
CSEG AT 00023H
LJMP serial
;
;
; /***************************串口中断响应*************************/
;
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