RFID reader documentation

Parallax, Inc. • RFID Reader Module (#28140) •Updated 09/2005 v1.1 Page 9
SevenBit CON $2000
Inverted CON $4000
Open CON $8000
Baud CON T2400
#SELECT $STAMP
#CASE BS2, BS2E
TmAdj CON $100 ' x 1.0 (time adjust)
FrAdj CON $100 ' x 1.0 (freq adjust)
#CASE BS2SX
TmAdj CON $280 ' x 2.5
FrAdj CON $066 ' x 0.4
#CASE BS2P
TmAdj CON $3C5 ' x 3.77
FrAdj CON $044 ' x 0.265
#CASE BS2PE
TmAdj CON $100 ' x 1.0
FrAdj CON $0AA ' x 0.665
#CASE BS2Px
TmAdj CON $607 ' x 6.03
FrAdj CON $2A ' x 0.166
#ENDSELECT
LastTag CON 3
#DEFINE __No_SPRAM = ($STAMP < BS2P) ' does module have SPRAM?
' -----[ Variables ]-------------------------------------------------------
#IF __No_SPRAM #THEN
buf VAR Byte(10) ' RFID bytes buffer
#ELSE
chkChar VAR Byte ' character to test
#ENDIF
tagNum VAR Nib ' from EEPROM table
idx VAR Byte ' tag byte index
char VAR Byte ' character from table
' -----[ EEPROM Data ]-----------------------------------------------------
Tag1 DATA "0F0184F20B" ' valid tags
Tag2 DATA "0F01D9D263"
Tag3 DATA "04129C1B43"
Name0 DATA "Unauthorized", CR, 0
Name1 DATA "George Johnston", CR, 0
Name2 DATA "Dick Miller", CR, 0
Name3 DATA "Mary Evans", CR, 0
' -----[ Initialization ]--------------------------------------------------
Reset:
HIGH Enable ' turn of RFID reader
LOW Latch ' lock the door!