IP Configuration Packet: Difference between revisions

Revision as of 05:02, 22 July 2025

Field	Size (bits)	Bit Range	Description	Breakdown
Header (10 bytes)
Start byte	8	0 - 7	Starting character	$ (ASCII value 36)
Data length	12	8 - 19	2-byte length of the data following the header
Number of data packets	5	20 - 24	Number of packets	0–32
IMEI	50	25 - 74	Unique device identifier
Packet type	5	75 - 79	Type of packet	02 - OTA Packet
Data
Time	32		UTC Timestamp	UTC time in seconds
Time Zone	8		Timezone in quarter-hours	22 = +5:30; each unit = 15 min; ranges -48 to 56
IP index	3		IP type index	0: Transight IP, 1: Customer IP
Status	1		OTA status	0 - Disabled, 1 - Enabled
FS mode	1		Fuel Sensor mode	0 - FIFO, 1 - LIFO
Protocol	3		Communication protocol	0 - HTTP, 1 - HTTPS, 2 - TCP, 3 - MQTT
Update rate (motion/Ign On)	16		Reporting interval while in motion	In seconds
Update rate (halt/Ign Off)	16		Reporting interval during halt	In seconds
Update rate (Sleep)	16		Sleep mode reporting interval	In seconds
URL length	8		Length of URL field	In number of bytes
URL	Varies		URL data	Length given by URL length
Tail (2 Bytes)
End Character	8	0 - 7	Ending character	* (ASCII value 42)
CRC	8	8 - 15	Checksum	8-bit XOR from $ to * (excluding $ and *)

{
  "HEX": "2401e0e1cabd09208ca56822dde716320005000100028831352e3233352e392e36363a35303333372a82",
"dateTime": 1747115495,  "dateTime_tz": "2025-05-13 11:21:35.000",  "fsMode": 0,  
"imei": 860187062240357,  "insert_time": "Tue, 13 May 2025 05:51:37 GMT",  "ipIndex": 1,  "packetType": 5,  "protocol": 2,  "send_time": "2025-05-13 11:21:35",  "status": 1,  "timezone": 22,  "upRateIgOff": 1,  "upRateIgOn": 5,  "upRateSleep": 2,  "url": "15.235.9.66:50337", "urlLength": 136
}

IP Configuration Packet Parser

Field	Value

@@ Line 238: / Line 238: @@
    const rateSleep = bitsToInt(bits.slice(160, 176)); // 16 bits
-   addRow("Update Rate (Ign ON)", `${rateOn}`);
+   addRow("Update Rate (Ign ON)", `${rateOn}s`);
-   addRow("Update Rate (Ign OFF)", `${rateOff}`);
+   addRow("Update Rate (Ign OFF)", `${rateOff}Min`);
-   addRow("Update Rate (Sleep)", `${rateSleep}`);
+   addRow("Update Rate (Sleep)", `${rateSleep}Min`);
-   const urlLengthBytes = bitsToInt(bits.slice(176, 183)); // 7 bits = bytes
+   const urlLengthBytes = bitsToInt(bits.slice(176, 184)); // 7 bits = bytes
    const urlBits = bits.slice(184, 184 + urlLengthBytes * 8);
    const url = bitsToAscii(urlBits).split('*')[0]; // Remove garbage after '*'