User Manual

High-Flying
HF-LPT200 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com) - 22 -
General “config.txt” file format as following example:
[URL]=http://10.10.100.100:80/lpb.bin
[URL]= the URL address of Application.
 Direct Download and Upgrade
AT+UPURL command to set the remote directory and file name, such as:
AT+UPURL=http://www.hi-flying.com/!admin/down/,lpb.bin
After excuate this command, the module will directly download the “lpb.bin” file from remote directory
and start upgrade Application.
Notes: please contact with high-flying technical people before upgrade firmware, or maybe damage
the module and can’t work again.
2.7. SOCKET B Function
HF-LPT200 support double socket communication, the socket B function is disabled by default.
After the module is started, send command “AT+SOCKB” to set the connection parameter, send
command “AT+TCPDISB=on” to try to connect with TCP server. Send command “AT+TCPDISB=off”
to close connection. Send command “AT+TCPLKB” to inqure TCP connection.
Figure 11. Socket B function demo
2.8. Multi-TCP Link Connection
When HF-LPT200 module configured as TCP Server, it supports Multi-TCP link connection, and
maximum 5 TCP clients permitted to connect to HF-LPT200 module. User can realize multi-TCP link
connection at each work mode.
Multi-TCP link connection will work as following structure:
Upstream: All dates from different TCP connection or client will be transmitted to the serial port as a
sequence.