BlueBox IDTRONIC HF, Communication Protocol Manual

Page: 15 / 37

BLUEBOX Gen.2 HFM Page 15 of 37
It is also possible to get the firmware version of the HFM reader module
mounted in the BLUEBOX .
Byte Value Description Notes
1 0x34 Command code
2 0x01 Module number
If command is not successfully executed, the answer is given in short form
through the ‘Reply Ack’ / ‘Reply Nak’ flags; otherwise, the BLUEBOX answers:
Byte Value Description Notes
1 0x34 Command code
2 0x01 Module number
2+1 0x.. Firmware version, 1st ASCII char The fw version is 16
chars long
2+i 0x.. Firmware version, i th ASCII char i < 16
2+16 0x.. Firmware version, 16th ASCII char i = 16
The 16 bytes (3 to 18) are a string of 16 ASCII chars that defines the firmware
version. The general form is: ‘MIDRANGE x.x ‘; x.xx gives the firmware
version (example 1.7).
3.5 Temperature Reading
This command sends back the internal temperature of the BLUEBOX
measured by the on board temperature sensor.
Byte Value Description Notes
1 0x3A Command code
If command is not successfully executed, the answer is given in short form
through the ‘Reply Ack’ / ‘Reply Nak’ flags; otherwise, the BLUEBOX answers:
Byte Value Description Notes
1 0x3A Command code
2 0x.. Integer value of the temperature in °C
3 0x.. Fractional value of the temperature. Bits 7,
6, 5 encode the fractional value in steps of
0.125 °C:
00000000b

.000 °C
00100000b

.125 °C
...
11100000b

.875°C