Product Description
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When it is woken up from RTC:
•
If the USB cable is connected, gateway goes into controlled mode. Otherwise:
•
state “Turning on SR and GSM”:
o
SR and GSM modules are turned on in parallel from ARM9
•
State “DXT communication and GSM registering”:
o
gateway starts one wakeup session and then comm session, while GSM module is
registering to network
o
gateway collects data from DXTs on the basis of Set Auto Dxt Data command (see
4.3.4.15)
o
DXTs to be asked for data: all the active DXTs in the network or all the active DXT
present in the saved list (see 4.3.4.20, 4.3.4.21, 4.3.4.22)
o
each comm slot will be stopped when gateway will receive the
end of data
DXT-frame
from each DXT
•
state “SR off, FTP transfer and starting control interface on GPRS”:
o
DXT communication is finished and SR is turned off
o
FTP transfer: gateway connects to FTP server and sends one file with the format
described in 4.3.4.19. If a previous error has occurred, application log file is
automatically sent (see 4.3.4.31)
o
While data file is sent to FTP server, control interface on GPRS is started (gateway is
the client, host is the server)
o
FTP and GSM parameters are set by Set GSM parameters (see 4.3.4.7)
•
State “Waiting for a command on GPRS control interface:”
o
Once FTP transfer is finished, if a command is received within 45 seconds or had been
received during FTP transferring, gateway goes to controlled mode, otherwise it goes
back to deep sleep (next wake up time is automatically calculated on the basis of Set
GSM parameters - 4.3.4.7)