Rockwell Automation 5370 Color CVIM Communications Manual - Manual (Page 100)

Chapter 5
Using the RS–232 Ports
5–32
999 :
1000 REM Subroutine to trigger an inspection on tool set
1050 PRINT#1,”>t”; CHR$(13);: REM Send the command
1080 RETURN
1999 :
2000 REM Subroutine to read discrete results from tool set
2040 IF LOC(1) THEN R$=INPUT$(LOC(1),#1): REM clear out any garbage characters
2050 PRINT#1,”>rr,p1”; CHR$(13);: REM Send the command
2060 CR$=INPUT$(2,#1): REM get CR/LF or ?/CR
2070 IF CR$=CHR$(13)+CHR$(10) THEN 2090
2080 PRINT CR[0]:PRINT”Input error”: R$=INPUT$(LOC(1),#1): R1(0)=–1: RETURN
2090 R$=INPUT$(1,#1): IF ASC(R$)<32 THEN 2090: REM ignore junk
2100 LINE INPUT#1,RE$: RE$=R$+RE$: REM get entire response
2120 R1(0) = VAL(MID$(RE$,1,9)): R1(1) = VAL(MID$(RE$,10,9))
2130 R$=INPUT$(LOC(1),#1): RETURN: REM Clear out any remaining characters
2499 :
2500 REM Subroutine to convert hex values in discrete result string RE$
2501 REM to integer values
2510 FOR RN=0 TO 15
2515 REM The following line converts each pair of hex digits to an integer
2520 D1=INSTR(HE$,MID$(RE$,25+RN*3,1))–1: D2=INSTR(HE$,MID$(RE$,26+RN*3,1))–1
2530 R1(RN+2) = 16*D1+D2: NEXT RN: RETURN