Low power WIFI module user manual
Jinan USR IOT Technology Limited
Page 21/72
Auto-frame trigger time:
After the trigger time, if UART port
received data can’t reach auto-frame trigger length, then module
will transmitting available data to the network and bypass the auto-
frame trigger length condition.
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 USR-WIFI232-T module
supports following:
WEP
WPA-PSK/TKIP
WPA-PSK/AES
WPA2-PSK/TKIP
WPA2-PSK/AES
2.5.
Parameters Configuration
USR-WIFI232-T module supports two methods to configuration parameters
: Web
Accessing
and
AT+instruction set.
Web accessing means users can configure parameters through Web browser.
When USR-WIFI232-T 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
USR-WIFI232-T module supports two on-line upgrade methods:
Webpage Wi-Fi Upgrade
Remote Upgrade
Webpaged based Wi-Fi upgrade,please refer to 3.1.8 firmware upgrade page ,
user can upload firmware file from PC to USR-WIFI232-T.
USR-WIFI232-T 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