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{{Table/IGEP Technology Devices| cellspacingTech_Family="0" cellpadding="5" border="1" align="center" width="100%" style="text-align{{#lst:Template: left;"Links|-IGEPv2_Tech_Family}}| bgcolorTech_ID="#cccccc" |'''IGEPv2 - Part 2/3'''|-| It is recommended that you '''follow the [[{{#lst:Template:Links|IGEPv2_Community_Guides_1IGEPv2_Tech_ID}}|previous chapters]]''' of this guide before continuing with this tutorial.|} {{Navigation/IGEP Technology Guides
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$ echo 1 > /sys/class/leds/d240\:red/brightness
$ echo 0 > /sys/class/leds/d240\:red/brightness
A detailed guide on how use GPIO-LEDS can be found by following this link: [[How to handle the gpio-LED]]
A detailed guide on how use UARTS can be found by following this link: [[How to use UARTs]]
{| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"|-| bgcolor="{#cccccc" |'''Overview'''|-| Uselst: aplay How to use RS485|overview}} The amplifiers for the headset output are disabled A detailed guide on how use UARTS can be found by default, so the first thing you'll do is enable these amplifiers withfollowing this link:[[How to use RS485]]
You can record audio in with the application Arecordarecord, for example:
Following output is expected on console:
boundary : 1073741824
When ever you think you want to stop recording just press CTRL+C == Get sound out (audio out) == Connect an external output audio device to the 3.5mm jack Audio Out connector in the board, such as external stereo powered speakers. The amplifiers for the headset output are disabled by default, so the first thing you'll do is enable these amplifiers with: $ amixer set -D hw:0 'Headset' 0dB $ amixer set -D hw:0 'HeadsetL Mixer AudioL2' on $ amixer set -D hw:0 'HeadsetR Mixer AudioR2' on Then you can easily play a *.wav sound with the application Aplay, for example: $ aplay audio-in.wav == How to use wifi == If you have a wireless network adapter in your computer you can also connect to the board using the ad hoc network connection that the firmware configures byu default. Use your wireless manager to connect to the wireless network called in the form IGEP_xx After connecting, a DHCP IP address should be adquired. Now you can access, for example with ssh, to the target board connecting to the 192.168.7.1 address. $ ssh root@192.168.6.1 A detailed guide on how use wifi can be found by following this link: [[Using IGEP WLAN to communicate]] == How to use bluetooth == A detailed guide on how use bluetooth can be found by following this link: [[How to setup Marvell bluetooth]] == How to use the SD card == You can connect a micro SD card for storage. After plugin the SD card the kernel should detect the card and automount in /media directory. == How to use the USB OTG == In order to act in host mode and add some peripherals like keyboard, mouse or pendrives you require a special cable that grounds the ID pin. Since the OTG port only provides 100mA of power a USB hub is recommended. Though a common USB Standard-A to Mini-B type cable the port acts as a device. In this mode you can connect to the board using the USB Ethernet Gadget. Use this cable between your computer and the target board and connect with: $ ssh root@192.168.7.1 A detailed guide on how use wifi can be found by following this link: [[Using USB ethernet gadget to communicate]]
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