(work in progress) = How to enable IGEP0022 support = The required [[How do I edit my kernel command line|kernel command line]] option here is buddy=igep0022 = Getting VGA output = The required [[How do I edit my kernel command line|kernel command line]] option here is omapfb.mode followed by the desired resolution, make sure to select a video mode compatible with your monitor For example: omapdss.def_disp=dvi omapfb.mode=dvi:1024x768-16@60 Note that you could connect both a VGA monitor and a DVI-D monitor and see the same image, as long as the video mode is compatible with both monitors. = Using TFT and Touchscreen = Seiko 7.0 inch WVGA (800 x RGB x 480) TFT: omapdss.def_disp=lcd-70 Powertip 4.3 inch (480 x RGB x 272) TFT: omapdss.def_disp=lcd-43 To configure the touchscreen, add "Configured Touchscreen" in "ServerLayout" section and remove "Configured Mouse" Section "ServerLayout" Identifier "Default Layout" Screen "Default Screen" InputDevice "Generic Keyboard" # InputDevice "Configured Mouse" InputDevice "Configured Touchscreen" Option "AllowEmptyInput" "no" EndSection calibrate it yourself until you are happy with the result, for example: /etc/init.d/xserver-nodm stop TSLIB_CALIBFILE=/etc/pointercal TSLIB_TSDEVICE=/dev/input/touchscreen0 TSLIB_CONSOLEDEVICE=none ts_calibrate /etc/init.d/xserver-nodm start = Using Telit Modem = 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 webpageREDIRECT:<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> Here there are a few instructions in order to introduce the Telit modem: === Enable Telit Modem support<br> === If this is your first time accessing Telit Modem, you must add the following line at the kernel file (igep.ini) in order to enable GE865 support : <pre>buddy.modem=yes</pre> === Power Up<br> === The manufacturer [http://telit.com/module/infopool/download.php?id=1666 hardware user guide] explains the complete sequence to power up the modem.<br> The modem is connected to 3 GPIO pins from the OMAP, which are: <omap_pin_name (modem_function)> *GPIO_140 (Reset) *GPIO_141 (On_Off) *GPIO_156 (PWRMON)<br> You What can power up your modem using the following sequence: (Note: instructions are correctly 'toggled' I do to pull-up resistors) <pre>echo 0 > /sys/class/gpio/gpio140/value # Sets to '1' the modem Reset pin echo 1 > /sys/class/gpio/gpio141/value # Sets to '0' the modem On_Off pin sleep 1 echo 0 > /sys/class/gpio/gpio141/value # Sets to '1' the modem On_Off pin</pre> === Check status<br> === 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 # GE865 has auto baud rate detection, so you can use a different speed</pre> You can check the list of all commands at the manufacturer [http://telit.com/module/infopool/download.php?id=522 software user guideIGEPv2 EXPANSION]. (Note: correcting syntax with 'backspace' may cause error in a serial command) To check the modem status use the command:<br><pre>at</pre>Answer should be OK.<br> === PIN insertion<br> === To insert your PIN number use the command:<br> <pre>at+cpin=<PIN></pre> === Making a phone call<br> === If previously inserted the PIN, use the instruction:<pre>atd <number_to_call></pre> === Sending a SMS<br> === There are so many ways in this modem to send a message. Here you have a simple example. If previously inserted the PIN, use the instruction:<pre>at+cmgs="<destination_number>"> <insert_here_your_text_message></pre>When you are ready to send your message use Ctrl+Z to send it. If you want to cancel or restart the message press ESC.<br> = Using TVP5151 Video Decoder = = Using EEPROM = The IGEP0022 expansion board provides an [http://www.atmel.com/dyn/resources/prod_documents/doc5156.pdf AT24C01B] serial EEPROM memory which is connected to the OMAP via I2C.<br> You can use easily simple reads/writes to access to the eeprom: echo "hello world!" > /sys/devices/platform/i2c_omap.2/i2c-2/2-0050/eeprom cat /sys/devices/platform/i2c_omap.2/i2c-2/2-0050/eeprom Or read/write from userspace using i2c-tools: i2cget <bus> <chip> <register> i2cset <bus> <chip> <register> <value> For example, the following writes the value 0x22 to register 0x10 of device 0x50 on i2c bus 2: i2cset -f -y 2 0x50 0x10 0x22 i2cget -f -y 2 0x50 0x10 See also: i2dump(8), i2cget(8) and i2cset(8) man page = Using CAN bus = Several tools are provided by socketCAN: *candump: dump traffic on a CAN network *cansend: simple command line tool to send CAN-frames via CAN_RAW sockets *cangen: CAN frames generator for testing purpose *canplayer: send CAN frames from a file to a CAN interface /sbin/ip link set can0 up type can bitrate 125000 On the receiver side: candump can0 On the sender side: cansend can0 123#AABBCCDD cansend can0 123#R cansend can0 1F334455#1122334455667788 cansend can0 1F334455#R On the receiver side, you must see the following messages: can0 123 [4] AA BB CC DD can0 123 [0] remote request can0 1F334455 [8] 11 22 33 44 55 66 77 88 can0 1F334455 [0] remote request Switch roles and do again
