User's Manual

https://www.cnthinkpower.com
example:
123456 update app
tracker return response:
First: <parameter-firmwarename>,IMEI, executed,update
Second:<parameter-firmwarename>,IMEI, success,update
Other: <parameter-firmwarename>,IMEI, update failed!Check file format error!
<parameter-firmwarename>,IMEI, update failed!Check file name error!
<parameter-firmwarename>,IMEI, update failed!Same version!
<parameter-firmwarename>,IMEI, update failed!Login Ftp server failed!
<parameter-firmwarename>,IMEI, update failed!Can't find the file!
<parameter-firmwarename>,IMEI, update failed!The file is empty!
<parameter-firmwarename>,IMEI, update failed!File get fail!
<parameter-firmwarename>,IMEI, update failed!The file path cannot be found!
<parameter-firmwarename>,IMEI, update failed!
7 Protocol Interpreting
The whole data consists of:
Message
type
Packet
identifier
Payload
length
Payload data
CRC-16-
CCITT
1 byte
1 byte
2 byte
n byte
2 byte
Ex1:
0102002C01060F38363737333030353139393335373806544C3930344111522D312E302E32382E32303231303933300079
8A
Message type:
1
Packet identifier:
2
Payload length:
3
Payload data:
4,5,6,7,8,9,10,11,12
CRC-16-CCITT:
13
The data is decomposed and parsed in order: