Chapter 3: Software
Suppor
t Guide
3-1 Driver
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The GPRS m odule supports the 3G functi ons. In order to enable the function, first of all requires to install
the G PRS m odule driver onto the system of FE S 7 035 , w hi ch the appl ication at the host site can be
com municating with the GPRS de vice through the USB channel. The device driver, w hic h i s distributed by
Acnode s, has incl uded in a CD with Wi n X P or Linux revision. If running by Li nux, please build up the
kerne l system and the device dri ver. After installi ng the devi ce dri ver, user may able to exe cute the
application to com municate with the G PRS device by AT commands.
3-2
GRPS
Module Softwar e Programming
The GP RS module com muni cates with the host, FES 7 035, vi a the UA RT port. The data confi gurations of the
UART port 6 in the host site are the baud rate 960 0, non-parity, 8-bit data byte, and 1 stop-bit.
GP RS module operates all the com mands issued by host through the UART port 6 to m onitor or control all
the functi ons that include the G PS data stream, the GP RS or GPS power On/Off functions, and the L ED
indic ator for GPRS si gnal types.
The “DEBUG _LEVEL” i s a debug flag for controll ing the level of de bug message to be displaying through the
UART port. The “DISP LAY_M SG ” is a comm and to indicate the re ceiving message for debug.
i.e. When rece ivi ng the “HOST-READY” comm and from the host, the m odule wi ll feedback the data
stream of the GP S back to the host. This comm and is a toggle fl ag of the GPS and the purpose of it is to
make sure whethe r the host is ready or not. If the host is ready, the m odule wi ll se nd the data stream
to the host; if the host is not ready yet, the module wil l stop sending the stream.
