Naveed Ahmed
Joined: 31 Aug 2008
Posts: 22
Location: Pakistan
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 31 Oct 2009 12:46 Re: help me conect to rs232? |
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;====================================================================================
;= =
;= IN THE NAME OF ----- =
;====================================================================================
;to SEND sms
;------------------------------------------------------------------------------------
;--------------------------BYTE ASSIGNMENT-------------------------------------------
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
;--------------------------PORT ASSIGNMENT-------------------------------------------
;------------------------------------------------------------------------------------
LED1 EQU P2
LED2 EQU P0
;------------------------------------------------------------------------------------
ORG 00H
;------------------------------------------------------------------------------------
JMP INIT
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
ORG 23H
JMP S0ISR
;------------------------------------------------------------------------------------
;------------------------------------------------------------------------------------
ORG 30H
;======================================================================================
INIT:
MOV LED1,#00
MOV LED2,#00
MOV B,#00
MOV TMOD,#20H ;SELECTING MODE 2 (8 BIT AUTO RELOAD) OF TIMER1.
MOV TH1,#-3 ;9600 BAUD RATE FOR SERIAL COMM.
MOV SCON,#50H ;SELECTING MODE 1 (8 BIT DATA,1 STOP & 1 START BIT) , FOR SERIAL COMM
SETB TR1
CALL PAUSE
CALL PAUSE
;==========================================================================================
MAIN:
CALL SEND_SMS
JMP MAIN
;===================================================================================
SEND_SMS:
CALL ATC
CALL CARRET
CALL PAUSE
CALL CMGF
CALL CARRET
CALL PAUSE
CALL CMGS
CALL CARRET
CALL PAUSE
CALL SMS_MESSAGE
CALL PAUSE
CALL CTRZ
MOV A,B
CPL A
MOV B,A
MOV LED1,B
RET
;===================================================================================
SMS_MESSAGE:
MOV DPTR,#SMSMSG
CALL CONF
RET
;===================================================================================
S0ISR:
CLR RI
MOV A, SBUF
MOV @R0,A
INC R0
RETI
;======================================================================================
NOWDEL:
ACALL ATC
ACALL CARRET
ACALL CMGD
ACALL CARRET
RET
;====================================================================================
ATC: MOV R2,#00
MOV A,#00
MOV DPTR,#MES9
CLR TI
STRING9:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#2,STRING9
RET
;=====================================================================================
CARRET:
MOV R2,#00
MOV A,#00
MOV DPTR,#CAR
CLR TI
STRING3:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#2,STRING3
RET
;===========================================================================================
CMGF:
MOV R2,#00
MOV A,#00
MOV DPTR,#MES6
CLR TI
STRING6:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#9,STRING6
RET
;==============================================================================================
CMGS:
MOV R2,#00
MOV A,#00
MOV DPTR,#MES15
CLR TI
STRING15:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#21,STRING15
RET
;==============================================================================================
CPMS:
MOV R2,#00
MOV A,#00
MOV DPTR,#MES17
CLR TI
STRING17:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#12,STRING17
RET
;===============================================================================================
CMGR:
MOV R2,#00
MOV A,#00
MOV DPTR,#MES7
CLR TI
STRING7:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#9,STRING7
RET
;===============================================================================================
CMGD:
MOV R2,#00
MOV A,#00
MOV DPTR,#MES8
CLR TI
STRING8:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#9,STRING8
RET
;===============================================================================================
CTRZ:
MOV R2,#00
MOV A,#00
MOV DPTR,#MSG16
CLR TI
STRING16:
MOVC A,@A+DPTR
MOV SBUF,A
JNB TI,$
CLR TI
ACALL DELAY
INC R2
MOV A,R2
CJNE R2,#1,STRING16
RET
;================================================================================================
CONF:
MOV R2,#00
MOV A,#00
CLR TI
STRING10:
MOVC A,@A+DPTR
CJNE A,#2AH,TRANS
RET
TRANS: MOV SBUF,A
JNB TI,$
CLR TI
CALL DELAY
INC R2
MOV A,R2
JMP STRING10;
;===============================================================================
DELAY:
MOV R4,#100
HERE2:
MOV R3,#255
HERE:
DJNZ R3,HERE
DJNZ R4,HERE2
RET
;================================================================
CLRMEM:
MOV R0,#84H
DOAGAIN:
MOV @R0,#0H
INC R0
CJNE R0,#0FCH,DOAGAIN
RET
;================================================================
PAUSE:
MOV R7,#64
COOLIT: ACALL DELAY
DJNZ R7,COOLIT
RET
;===================================================================
;================================================================
;= =
;= =
;= LOOK UP TABLE =
;= =
;= =
;================================================================
MES6: DB "AT+CMGF=1","*"
MES7: DB "AT+CMGR=1","*"
MES8: DB "AT+CMGD=1","*"
MES9: DB "AT","*"
MES15: DB "AT+CMGS=",022H,"03333184821",022H,0
MSG16: DB 01AH,"*"
MES17: DB "AT+CPMS=",022H,"ME",022H,0
CAR: DB 0DH,0AH,"*"
SMSMSG: DB "CHECKING OF SMS TRANSMISSION","*"
END
Regards
Naveed Khowaja
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