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Add support for W48 (H2004064)

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Derek Jamison
2023-09-06 12:02:26 -05:00
parent 7d18e75287
commit 356f49365b
4 changed files with 36 additions and 2 deletions
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gpio/wiegand/README.md
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@@ -47,6 +47,10 @@ This is a 26-bit format used by many readers. The first bit is an even parity bi
This is similar to W26, but without the leading and trailing parity bits. The first 8 bits are the facility code. The next 16 bits are the card number. The application will display the facility code and card number.
## W48: 48-bit Wiegand
This is HID 48 bit Corporate 1000 - H2004064 format. The first bit is odd parity 2 (based on bits 2-48). The next bit is even parity (based on 4-5,7-8,10-11,...,46-47). Then 22 bit company code. Then 23 bit card id. Then odd parity 1 (based on 3-4,6-7,9-10,...,45-46).
## W32/W34/W37/W40: 32/34/37/40-bit Wiegand
These formats are not very standardized, so the application will not try to interpret the data. You can modify the wiegand_data.c file to add your own interpretation.