BlueBox IDTRONIC HF, Руководство по протоколу связи

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BLUEBOX Gen.2 HFM Page 13 of 37
The ‘master’ confirms the reception of the data packet setting to ‘1’ the flag
‘Ack rx’.
1° Byte
2°
Byte
Data
0 0 0 0 0 0 1 0 OUT
T 1 0 0 0 1 1 0 0E
10 00 E0 04 01 00 01 02 03 04 E0 04 01 10
IN
The handshake will terminate by resetting to ‘0’ the flag ‘Req rx’ (by the
‘slave’) and the flag ‘Ack rx’ (by the ‘master’).
1° Byte 2° Byte Data
0 0 0 0 0 0 1 0 OUT
T 1 0 0 0 1 0 0 IN
1° Byte 2° Byte Data
0 0 0 0 0 0 0 0 OUT
T 1 0 0 0 1 0 0 IN
The ‘slave’ again loads the second byte of the header (length) and the data
bytes of the last 4 data bytes of the answer and then resets to ‘0’ the flag
‘More’ (no other data packet will follow) and the flag ‘Req rx’ for the ‘master’.
1° Byte
2°
Byte
Data
0 0 0 0 0 0 0 0 OUT
T 1 0 0 0 0 1 0 04
11 12 13 14
IN
The ‘master’ confirms the reception of the data packet setting to ‘1’ the flag
‘Ack rx’.
1° Byte
2°
Byte
Data
0 0 0 0 0 0 1 0 OUT
T 1 0 0 0 0 1 0 04
11 12 13 14
IN
The handshake will terminate by resetting to ‘0’ the flag ‘Req rx’ (by the
‘slave’) and the flag ‘Ack rx’ (by the ‘master’).
1° Byte 2° Byte Data
0 0 0 0 0 0 1 0 OUT
T 1 0 0 0 0 0 0 IN
1° Byte 2° Byte Data
0 0 0 0 0 0 0 0 OUT
T 1 0 0 0 0 0 0 IN
3.2 Device Reset
This command is used to restart the BLUEBOX (the device has the same
behaviour like when it is powered up).
Byte Value Description Notes
1 0x30 Command code
The answer to this command is given in short form through the ‘Reply Ack’ /
‘Reply Nak’ flags (this command don’t ‘produce’ data).