User Manual
High-Flying
HF-LPT200 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com) - 21 -
Detailed UART auto-frame function can refer to AT+instruction set “UARTF/UARTFT/UARTFL”
introduction.
2.4. Encryption
Encryption is a method of scrambling a message that makes it unreadable to unwanted parties,
adding a degree of secure communications. There are different protocols for providing encryption, and
the HF-LPT200 module supports following:
WEP
WPA-PSK/TKIP
WPA-PSK/AES
WPA2-PSK/TKIP
WPA2-PSK/AES
2.5. Parameters Configuration
HF-LPT200 module supports two methods to configuration parameters: Web Accessing and
AT+instruction set.
Web accessing means users can configure parameters through Web browser. When HF-LPT200
module connected to wireless network, parameters configuration is done on a PC connected to the
same wireless network.
AT+instruction set configuration means user configure parameters through serial interface command.
Refer to “AT+instruction set” chapter for more detail.
2.6. Firmware Update
HF-LPT200 module supports two on-line upgrade methods:
Webpage Wi-Fi Upgrade
Remote Upgrade
Webpaged based Wi-Fiupgrade,please refer to 3.1.8 firmware upgrade page , user can upload
firmware file from PC to HF-LPT200.
HF-LPT200 module also support upgrade from remote HTTP server, keep module connects to AP
router before excuate remote HTTP upgrade. Remote upgrade have two methods: Direct Download
and Upgrade, Configure File Based Upgrade.
Configure File Based Upgrade
AT+UPURL command to set the remote directory which the configuration file located, such as
AT+UPURL=http://www.hi-flying.com/!admin/down/
Notes: The last ’/’ can’t be remove
AT+UPFILE command to set the configuration file name, such as AT+UPFILE=config.txt
AT+UPST command to start remote Application upgrade. After excuate this command, the module will
firstly download configuration file (“config.txt”), then download the upgrade file base on the URL
address listed in the configure file.