?? serial.src
字號(hào):
; .\serial.SRC generated from: serial.c
; COMPILER INVOKED BY:
; E:\Program Files\C51\BIN\C51.EXE serial.c BROWSE DEBUG OBJECTEXTEND SRC(.\serial.SRC)
$NOMOD51
NAME SERIAL
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
lck BIT 0B0H.5
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
addr0 BIT 090H.4
EX0 BIT 0A8H.0
IT0 BIT 088H.0
TH1 DATA 08DH
addr1 BIT 090H.5
TB8 BIT 098H.3
EX1 BIT 0A8H.2
IT1 BIT 088H.2
TH2 DATA 0CDH
addr2 BIT 090H.6
P BIT 0D0H.0
addr3 BIT 090H.7
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.3
PT1 BIT 0B8H.3
RS0 BIT 0D0H.3
PT2 BIT 0B8H.5
TR0 BIT 088H.4
RS1 BIT 0D0H.4
TR1 BIT 088H.6
TR2 BIT 0C8H.2
PX0 BIT 0B8H.0
PX1 BIT 0B8H.2
DPH DATA 083H
DPL DATA 082H
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?SERIAL SEGMENT CODE
?PR?send?SERIAL SEGMENT CODE
?PR?serial?SERIAL SEGMENT CODE
?PR?_delay?SERIAL SEGMENT CODE
?PR?ledscan?SERIAL SEGMENT CODE
?PR?main?SERIAL SEGMENT CODE
?CO?SERIAL SEGMENT CODE
?DT?SERIAL SEGMENT DATA
?BI?SERIAL 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 cash
PUBLIC number?
PUBLIC table
PUBLIC scan
PUBLIC main
PUBLIC ledscan
PUBLIC _delay
PUBLIC serial
PUBLIC send
PUBLIC initial
RSEG ?DT?SERIAL
number?: DS 1
cash: DS 8
cmd_numb: DS 1
copyOK: DS 1
sendFINS: DS 1
i: DS 1
sbuffer: DS 1
buffer: DS 8
RSEG ?BI?SERIAL
re_finish: DBIT 1
receive: DBIT 1
RSEG ?CO?SERIAL
scan:
DB 0FEH
DB 0FDH
DB 0FBH
DB 0F7H
DB 0EFH
DB 0DFH
DB 0BFH
DB 07FH
table:
DB 0C0H
DB 0F9H
DB 0A4H
DB 0B0H
DB 099H
DB 092H
DB 082H
DB 0F8H
DB 080H
DB 090H
DB 088H
DB 083H
DB 0C6H
DB 0A1H
DB 086H
DB 08EH
DB 0BFH
DB 0FFH
; /*****************************************************************/
; /* */
; /*名稱： RS232通信+數(shù)碼管顯示程序 */
; /*功能： 在數(shù)碼管上顯示串口發(fā)過來的數(shù)字 */
; /*難度等級(jí)： 高 */
; /* 作者： zengrenliang */
; /* 版權(quán)： http://www.51kaifa.com */
; /*編寫日期： 2006.05.19 */
; /*****************************************************************/
;
; #include <reg52.h>
; #define uchar unsigned char
;
; bit receive; //接收標(biāo)志
; bit re_finish;//接收一串字符完成標(biāo)志
; sbit lck = P3^5;//HC574鎖存信號(hào)
; sbit LED = P1^3;//串口通信指示
; sbit addr0 = P1^4;//系統(tǒng)片選地址線0
; sbit addr1 = P1^5;//系統(tǒng)片選地址線1
; sbit addr2 = P1^6;//系統(tǒng)片選地址線2
; sbit addr3 = P1^7;//系統(tǒng)片選地址線3
;
; uchar i,buffer[8];//串口緩沖區(qū)
; uchar cash[8]; //數(shù)碼管顯示緩沖區(qū)
; uchar sbuffer,number;//發(fā)送字符個(gè)數(shù)
; uchar sendFINS ; //發(fā)送完成標(biāo)志
; uchar copyOK , cmd_numb ;//發(fā)送緩沖區(qū)填充完成標(biāo)志
;
; //數(shù)碼管位掃描數(shù)據(jù)
; uchar code scan[8] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//row0--row7
;
; //數(shù)碼管數(shù)字碼表
;
; uchar code table[18] ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,//0,1,2,3,4,5
; 0x82,0xf8,0x80,0x90,0x88,0x83,//6,7,8,9,a,b
; 0xc6,0xa1,0x86,0x8e,0xbf,0xff};//c,d,e,f,-,空格
;
; void delay(unsigned int loop); //延時(shí)函數(shù)聲明
;
;
; /********************************系統(tǒng)初始化函數(shù)************************/
;
; void initial(void)
RSEG ?PR?initial?SERIAL
initial:
USING 0
; SOURCE LINE # 43
; { uchar j;
; SOURCE LINE # 44
;
;
; SCON=0x50; //串口工作方式1，允許接收
; SOURCE LINE # 47
MOV SCON,#050H
; PCON=0x80; //波特率翻倍
; SOURCE LINE # 48
MOV PCON,#080H
; TCON=0;
; SOURCE LINE # 49
CLR A
MOV TCON,A
; TMOD=0x26; //T1用于串口波特率控制
; SOURCE LINE # 50
MOV TMOD,#026H
; TL1=0xfa; //初始化T1，波特率為9600（晶振11.0592M）
; SOURCE LINE # 51
MOV TL1,#0FAH
; TH1=0xfa;
; SOURCE LINE # 52
MOV TH1,#0FAH
; TR1=1; //開定時(shí)器
; SOURCE LINE # 53
SETB TR1
; EA=1; //開總中斷
; SOURCE LINE # 54
SETB EA
; ES=1; //開串口中斷
; SOURCE LINE # 55
SETB ES
; copyOK = 0; //緩沖區(qū)準(zhǔn)備好標(biāo)志清零
; SOURCE LINE # 56
MOV copyOK,A
; receive = 0; //接收標(biāo)志清零
; SOURCE LINE # 57
CLR receive
; re_finish = 0; //接受完成標(biāo)志清零
; SOURCE LINE # 58
CLR re_finish
; cmd_numb = 0; //接受計(jì)數(shù)器清零
; SOURCE LINE # 59
MOV cmd_numb,A
;
; for(j=0; j<8; j++) //串口緩沖區(qū)清空
; SOURCE LINE # 61
;---- Variable 'j?040' assigned to Register 'R7' ----
?C0001:
; buffer[j] = 17; //table[18]為空顯示
; SOURCE LINE # 62
MOV R7,#08H
MOV R0,#LOW (buffer)
MOV A,#011H
?C0038:
MOV @R0,A
INC R0
DJNZ R7,?C0038
?C0002:
; for(j=0; j<8; j++) //串口緩沖區(qū)清空
; SOURCE LINE # 63
?C0004:
; cash[j] = 17; //table[18]為空顯示
; SOURCE LINE # 64
MOV R7,#08H
MOV R0,#LOW (cash)
MOV A,#011H
?C0039:
MOV @R0,A
INC R0
DJNZ R7,?C0039
?C0005:
; cash[0] = 15;
; SOURCE LINE # 65
MOV cash,#0FH
; }
; SOURCE LINE # 66
RET
; END OF initial
;
;
; /************************向串口發(fā)送字符串*************************/
;
; void send(void)
RSEG ?PR?send?SERIAL
send:
USING 0
; SOURCE LINE # 71
; {
; SOURCE LINE # 72
;
; if(copyOK) //串口準(zhǔn)備好且緩沖區(qū)準(zhǔn)備好
; SOURCE LINE # 74
MOV A,copyOK
JZ ?C0010
; {
; SOURCE LINE # 75
; i = 0;
; SOURCE LINE # 76
CLR A
MOV i,A
; REN = 0; //發(fā)送過程中禁止接收數(shù)據(jù)
; SOURCE LINE # 77
CLR REN
; copyOK = 0; //清緩沖區(qū)準(zhǔn)備好標(biāo)志
; SOURCE LINE # 78
MOV copyOK,A
; SBUF = cash[i++]; //發(fā)送字符串首字符
; SOURCE LINE # 79
MOV R7,i
INC i
MOV A,#LOW (cash)
ADD A,R7
MOV R0,A
MOV A,@R0
MOV SBUF,A
; number = 7; //置發(fā)送計(jì)數(shù)器
; SOURCE LINE # 80
MOV number?,#07H
; }
; SOURCE LINE # 81
; else
; return; //沒準(zhǔn)備好則返回
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