Changes

*To check the modem status use the command:<br>

*Answer should be OK.<br>  Now unlock it by inserting your SIM card PIN number. Use the command: <pre>at+cpin=&lt;PIN&gt;</pre> If you correctly inserted the PIN number, the answer should be OK. (Note: If you fail more than 3 times, your SIM card will lock and you will have to insert PUK number.) Now you are ready to use the GSM/GPS modem.  <br>  <br>  <br> The IGEP0022 expansion board provides a Telit [http://telit.com/en/products/gsm-gprs.php?p_ac=show&p=47 GE865] GSM/GPRS modem which is connected to the OMAP via some GPIO pins and UART 2.<br>  Here you have the official manuals from the manufacturer's webpage:<br>  *[http://telit.com/module/infopool/download.php?id=1666 Telit GE865-QUAD Hardware User Guide]<br> *[http://telit.com/module/infopool/download.php?id=522 Telit Modules Software User Guide]<br> <br>  Here there are a few instructions in order to introduce the Telit modem.<br>  If this is your first time accessing Telit Modem, check J402 and J403 jumpers are not connected before follow this tutorial. If you don't have these jumpers, don't worry because their functions are only for testing.  Insert a valid SIM card to the SIM card reader of your IGEP0022.  Now, you must add the following line at the kernel file (igep.ini) in order to enable GE865 support: <pre>buddy.modem=yes</pre> <br>  Now its time to power up your modem. You may read the Official manufacturer [http://telit.com/module/infopool/download.php?id=1666 Hardware User Guide], where there is a complete explanation about the sequence.<br>  In IGEP0022, the modem is connected to 3 GPIO pins from the OMAP, which are: &lt;omap_pin_name (modem_function)&gt;  *GPIO_140 (Reset) *GPIO_141 (On_Off) *GPIO_156 (PWRMON)<br> You can power up your modem using the following sequence:  (Note: the following instructions are correctly 'toggled' do to pull-up resistors. Refer to schematics at the Official [http://igep.es/index.php?option=com_content&view=article&id=99&Itemid=129&dir=%2Fvar%2Fwww%2Fvhosts%2Figep.es%2Fhttpdocs%2Fdownloads%2F01-ISEE_Products%2FIGEPv2_EXPANSION%2FHW_Schematics&download_file=%2Fvar%2Fwww%2Fvhosts%2Figep.es%2Fhttpdocs%2Fdownloads%2F01-ISEE_Products%2FIGEPv2_EXPANSION%2FHW_Schematics%2FIGEP.0022-EXP_BOARD_SCH_rev_b3.pdf IGEP0022 Hardware Manual] from ISEE) <pre>echo 0 &gt; /sys/class/gpio/gpio140/valueecho 1 &gt; /sys/class/gpio/gpio141/valuesleep 1echo 0 &gt; /sys/class/gpio/gpio141/value</pre> Once the modem is on, you can interact with it via UART 2. You can use Microcom to comunicate with it from the serial debug console: <pre>microcom -s 115200 /dev/ttyS1</pre> (Note: GE865 has auto baud rate detection, so you can use a different speed)<br>  To check the modem status use the command:<br> <pre>at</pre> Answer should be OK.<br>  '''Note: correcting syntax with 'backspace' may cause error in a serial command if you are not writing the command at first take. Don't type &lt;&gt; when use the following commands'''  In order to use your GSM/GPRS you should connect the antenna as it is explained in the [[Getting Started with IGEP0022 board#GSM.2FGPRS_antenna|Getting Started with IGEP0022]] article.  Now unlock it by inserting your SIM card PIN number. Use the command:<br>

*If you correctly inserted the PIN number, the answer should be OK.  (Note: &nbsp;If you fail more than 3 times, your SIM card will lock and you will have to insert PUK number.)  Now you are ready to use the GSM/GPS modem. <br>

If you want to cancel or restart the message press ESC.<br>  <br> Here you have the official manuals from the manufacturer's webpage:<br>  *[http://telit.com/module/infopool/download.php?id=1666 Telit GE865-QUAD Hardware User Guide]<br> *[http://telit.com/module/infopool/download.php?id=522 Telit Modules Software User Guide]<br> <br>