User's Manual

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Response
description
ACK
1
0x00
Command ID
1
0x0D
FACTORY_RESET
Example:
HOST=>READER: 0x0D – FACTORY_RESET
READER=>HOST: 0x00 – ACK byte
0x0D – related command code FACTORY_RESET
3.1.16 Set LED (0x0E)
This command turns on/off the external LED. If the On/Off flag is set to 2, then the host must provide a
timeout for the LED (two bytes LSB). The device turns on the LED for the specified timeout and then turns
it off.
Command
description
Argument
Size
Value
Description
Command ID
1
0x0E
SET_LED
On/Off flag 1 X
2
–
turn on for specified timeout
1 – turn on LED
0 – turn off LED
On timeout
2
x
Unsigned 16
-
bit
timeout
value (LSB first)
in milliseconds
Response
description
ACK
1
0x00
Command ID
1
0x0E
SET_LED
Example:
HOST=>READER: 0x0E – SET_LED
0x01 – LED on
READER=>HOST: 0x00 - ACK byte
0x0E - related command code SET_LED