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Copyright © Access-IS 2020
8.3 Switch to bootloader
Use this command to switch to the bootloader to load new firmware. The module resets itself in
bootloader mode soon after the sending the response.
Warning: Only use this command when loading new firmware. Using this command at any
other time may cause the device to become inoperable.
8.3.1 Management command bytes
Byte
Command/Value
Comments
0
[0x02]
Command byte
1
–63
[0x00]
Unused bytes, set to
[0x00]
8.3.2 Management response bytes
Byte
Response/Value
Comments
0
[0x02]
Command echoed
1
[0xAA]
2
[0x55]
3
–63
[0x00]
Ignored (61 bytes)
8.3.3 Example
This command switches to the bootloader and then resets the NFC module.
USB
Command:
[0x02]
Response:
[0x02][0xAA][0x55]
Serial
Command:
[0x6F][0x01][0x00][0x00][0x00][0xFF][0x00][0x00][0x00][0x00]
[0x02]
Response:
[0x80][0x36][0x00][0x00][0x00][0xFF][0x00][0x00][0x00][0x00]
[0x02][0xAA][0x55]
8.4 Get serial number
Use this command to retrieve the serial number of the NFC module.
8.4.1 Management command bytes
Byte
Command/Value
Comments
0
[0x03]
Command byte
1
–63
[0x00]
Unused bytes, set to
[0x00]