75H (Crash Sensor Data Packet)

This message can be sent to the backend server when the crash event is detected. About the crash detection, please see the AT@CRASH command.

Note: When the length of the message is too long, it needs to be sent in multiple frames.

The frame format of a report that only carries 75H record is as follows:

For example (Total 343 bytes):
2B 00 01 57 00 01 23 45 67 89 01 23 45 00 00 00 1B 00 00 81 40 64 F9 AA F6 00 00 75 00 80 8F 81 32 00 00 33 FF 01 2C 00 02 00 B7 08 5E 00 04 00 02 00 02 FF F5 00 B9 08 60 00 02 00 00 00 00 FF FD 00 C4 08 65 00 04 00 00 00 00 FF FA 00 B3 08 69 00 03 00 02 00 00 FF F6 00 B3 08 63 00 04 00 03 00 00 00 00 00 C3 08 4E 00 02 00 04 00 00 00 07 00 BE 08 55 00 04 00 02 00 01 00 02 00 BC 08 61 00 05 00 00 00 02 00 03 00 BE 08 60 00 03 FF FE 00 01 FF FE 00 BB 08 60 00 04 00 01 00 00 FF F4 00 BD 08 5B 00 01 FF FF 00 00 FF F3 00 B6 08 5E 00 02 00 00 00 00 FF F2 00 B6 08 56 00 01 00 01 00 00 FF F9 00 C1 08 66 00 01 00 00 00 01 00 00 00 C1 08 5E 00 02 00 03 00 00 FF F9 00 C0 08 5F 00 04 00 01 00 01 00 05 00 C3 08 61 00 00 00 00 00 00 00 06 00 B9 08 60 00 05 00 01 00 00 FF FA 00 BF 08 68 00 02 FF FF FF FF FF F7 00 BA 08 66 00 04 00 01 FF FE FF FF 00 BE 08 5E 00 02 00 00 00 00 FF FC 00 BE 08 66 00 03 00 01 00 02 FF F7 00 B8 08 5E 00 00 00 04 00 03 FF FE 00 C5 08 5E FF FE 00 04 00 02 00 03 00 BE 08 60 FF FF 00 03 00 02 01 23 89 24

Parts

Fields

Length (Byte)

Range/Format

Default

Head

18 or 20

Reserved

1 or 1+N

Records

Record Length

1 or 2

00H-7FH or 8080H-FFFFH

Generated Time

4

Record Count Number

2

0000H-FFFFH

Record ID

1

75H

75H

Event Code

1

00H

00H

Data of Record

Data ID

1 or 2

00H-7FH or 8080H-FFFFH

Data Length

1 or 2

00H-7FH or 8080H-FFFFH

Data Content

N

…

…

Tail

4

The definitions of parts ‘Head’, ‘Reserved’, and ‘Tail’ are here.

  • Event Code

    The default is 00H.

  • Data of Record

    It consists of one or more Data ID units.

    By default, this record contains only the data IDs listed below.