HP Value Serial/USB Receipt Printer II Manual de usuario descargar pdf (Pagina 88)

Chapter 3: Programming Commands88

Set data parsing mode for QR Code

ASCII GS ( k ETX NUL 1 D m

Hexadecimal 1D 28 6B 03 00 31 44 m

Decimal 29 40 107 3 49 68 m

Value of m: 30h = Manual Mode

31h = Auto Mode (default)

Thiscommandspecieswhichmethodofdataparsingtouse.Automodewilltrytodeterminethebestencodingscheme

tousetoencodethedatabasedoffofthevaluesinthebuffer.Thismodemaynotencodethedataasdesired(dataintended

tobeencodedasonetypemaybeencodedasanotherduetooverlapbetweenthetwo).

Manualmodeallowsformorecontrol,asthedatacanbebrokenintoblocks(upto200)thatareeachassignedatypeusing

aleadingbyte,witheachblockseparatedbyacomma(0x2C).SeestoresymboldataforQRCodeformoredetails.

Select error correction level for QR Code

ASCII GS ( k ETX NUL 1 E n

Hexadecimal 1D 28 6B 03 00 31 45 n

Decimal 29 40 107 03 00 49 69 n

Value of n: Function Recovery Capacity%

30h Selects Error correction level L 7

31h Selects Error correction level M 15

32h Selects Error correction level Q 25

33h Selects Error correction level H 30

Note:QRcodeemploysReed-Solomonerrorcorrectiontogenerateaseriesoferrorcorrectioncodewords.

Store symbol data for QR Code

ASCII GS ( k qL qH 1 P 0 f1 . . . fk

Hexadecimal 1D 28 6B qL qH 31 50 30 f1….fk

Decimal 29 40 107 qL qH 49 80 48 f1 . . . fk

ThiscommandstorestheQRcodesymboldata(f1...fk)inthesymbolstoragearea,whichislocatedinRAMinfont

memory(commandisignoredifnomemoryisfree).

 qLandqH: 04h<(qL+qHx100h)<1BB4;0h<qL<FF;0h<qH<1B

 f:0h<f<FF

 k=(qL+qHx100h)–03h

Note:

• kbytesoff1…fkareprocessedassymboldata.

• whenusingmanualmode,datasizemustalsoaccountfortheleadingtypebyte,thedelimiters(0x2C),andany

headers(ifusingbinaryblocks)

• ItispossibletoencodetoaQRcodeasfollows.Besurenottoincludeanythingexceptthefollowinginthef1…

fkdata:

Categoryofdata  Charactersitispossibletospecify  Typebyte(Manualmode)

NumericalModedata “0”~“9”    ‘N’(0x4E)

AlphanumericModedata “0”~“9”,“A”~“Z”,SP,$,%,*,+,-,.,/,: ‘A’(0x41)

KanjiModedata  ShiftJISvalue(ShiftvaluefromJISX0208) ‘K’(0x4B)

8-bitByteModedata 00h~FFh    ‘B’(0x42)*

*Binarydatarequirea4-byteeldfollowingthetypebytetospecifylengthofdatablock

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HP Value Serial/USB Receipt Printer II Manual de usuario Pagina 88

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