WiSnap User Manual 4.41 05282015-ML
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Value
Wake Reason
0
Undefined
1
Power on or hardware reset (battery install or power up)
2
Sleep (wake when the sleep timer is expired)
3
Sensor
4
Undefined
5
Button (WiSnap-AAA serial adapter only)
6
Software reboot
7
Watchdog
Example:
-
set option format 1 -
automatically send an HTML data header
-
set option format 7 -
append sensor data in ASCII hex format
-
set option format 11 -
append all key value pairs to the sensor data
13.2 Automatically periodically connect to web server
The WiSnap module can be setup to automatically post data to a web server using the
set sys auto
<value>
command, where
<value>
is a decimal number representing seconds. For example, the WiSnap module can be configured to connect to the web
server every 10 seconds by using the
set sys auto 10
.
The example below illustrates the commands to configure WiSnap for connecting to the web server every 30 seconds.
1)
set com remote GET$/ob.php?obvar=WEATHER -
setup the string
2)
set sys auto 30 -
auto connect every 30 seconds
3)
set option format 1 -
auto send header once connection is opened
4)
set ip proto 18 -
turn on HTTP mode=0x10 + TCP mode = 0x2
Note (1):
when HTTP mode is set, the WiSnap automatically appends the \n\n to the end of the packet.
Note (2):
if the html header contains spaces, the $ is required when entering the string. Space is the command
delimiter. When WiSnap command parser sees $ it will convert this to a SPACE character.
13.3 Automatically connect to web server on UART data
WiSnap supports a mode in which it can connect to the web server when it receives UART data. In this mode, connection to the
web server will be triggered on UART data.
Example:
-
set ip proto 18 -
turn on HTTP mode=0x10 + TCP mode = 0x2
-
set dns name www.webserver.com -
name of your web server
-
set ip address 0 -
so WiSnap will use DNS
-
set ip remote 80 -
standard web server port
-
set com remote GET$/userprog.php?DATA= -
sample server application
-
set uart mode 2 -
automatically connect using data TRIGGER mode
Then when the serial UART data comes in, WiSnap auto connects to the web server, and will automatically send
GET /userprog.php?DATA=<users serial data> \n\n
