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| − | {| width="200" cellspacing="0" cellpadding="4" border="1" align="right"
| + | #REDIRECT:[[What can I do with IGEPv2]] |
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| − | ====== IGEP0020 ======
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| − | | |
| − | *'''[[:Category:IGEP0020|Main page]]'''
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| − | | |
| − | *'''[[Getting Started with IGEP0020 board|Getting started]]'''
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| − | | |
| − | *'''[[What can I do with IGEP0020|What can I do]]'''
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| − | | |
| − | *'''[[Start developing under IGEP Technology|Start developing]]'''
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| − | | |
| − | |}
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | |-
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| − | | bgcolor="#cccccc" |'''What can I do with IGEP0020'''
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| − | |-
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| − | | If you have '''successfully completed the [[Getting Started with IGEP0020 board|first chapter of this guide]]''', you can continue with this tutorial guide about IGEP0020.
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| − | |}
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| − | | |
| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" style="text-align: left;"
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| − | | bgcolor="#cccccc" colspan="3" | '''Overview'''
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| − | |-
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| − | | [[Image:Igep0020.jpg|250px|center|link=Category:IGEP0020]]
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| − | |'''1) [[What can I do with IGEP0020#Booting and setting up|Booting up IGEP0020]]'''
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| − | |-
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| − | |'''2) [[What can I do with IGEP0020#Updating the pre-installed software|Updating the pre-installed software]]'''
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| − | |'''3) [[What can I do with IGEP0020#Flashing the software image|Flashing the latest firmware to the IGEP0020 flash memory]]'''
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| − | |-
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| − | |'''4) [[What can I do with IGEP0020#Connect to IGEP0020 via network interfaces|Connect to IGEP0020 via network interfaces]]'''
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| − | |-
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| − | |'''5) [[What can I do with IGEP0020#Basic instructions|Basic instructions]]'''
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| − | |'''6) [[What can I do with IGEP0020#Send a file between a PC and IGEP0020|Send a file between a PC and IGEP0020]]'''
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| − | |'''7) [[What can I do with IGEP0020#How to handle the gpio-LED's|Handle IGEP0020 LED's]]'''
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| − | |-
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| − | |'''8) [[What can I do with IGEP0020#Mount a MicroSD card|Mount a MicroSD card]]'''
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| − | |-
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| − | |}
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| − | | |
| − | __NOTOC__
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| − | | |
| − | === Booting and setting up ===
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| − | ----
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | | bgcolor="#cccccc" |'''Pre-installed software'''
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| − | |-
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| − | |By default, '''all brand new IGEP Processor Boards have a firmware installed''' on its flash memory.
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| − | | |
| − | That means that if you power up your board it will run a Linux distribution provided and installed by ISEE.
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| − | |}
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| − | | |
| − | | |
| − | This distribution consists on a '''minimal Linux-based distribution''' with a lite X Window System and GNOME Mobile based applications created with '''Poky Platform Builder'''.
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| − | | |
| − | In the previous chapter of this tutorial, we have booted IGEP0020 with its pre-installed software.
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| − | | |
| − | Once the board has booted up, it asks for a login in the serial debug port. You can log in into IGEP0020 via the serial interface.
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| − | | |
| − | | |
| − | *The default login user is: '''root'''
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| − | *There is '''no password''' for this user.
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| − | | |
| − | | |
| − | '''Boot priority'''
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| − | | |
| − | In fact, IGEP0020 can boot from many other devices (listed by priority):
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| − | | |
| − | # from USB
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| − | # from UART3
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| − | # from a MMC/MicroSD card
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| − | # from OneNAND memory
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| − | | |
| − | | |
| − | As we haven't set any other boot device rather than the oneNAND (the IGEP0020 flash memory) the system boots from it.
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| − | | |
| − | | |
| − | But, as '''the MicroSD card has an upper priority than the flash''', if you plug a MicroSD card (with the right configuration on it) to the MicroSD card reader, IGEP0020 will boot from it and won't boot from the flash memory.
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| − | | |
| − | | |
| − | Now, We are going to use this functionality to update your pre-installed software.
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| − | | |
| − | | |
| − | === Updating the pre-installed software ===
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| − | ----
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | |-
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| − | | bgcolor="#cccccc" |'''Requirements - Overview'''
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| − | |-
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| − | | For this purpose, you will need:
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| − | | |
| − | * a '''microSD card'''
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| − | * a '''computer''' with microSD card reader (or with adapter)
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| − | * a '''GNU/Linux distribution installed''' on the computer (a Linux partition or a virtual machine on Windows)
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| − | ** the main reason is that Windows does not detect multiple partitions on a microSD card
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| − | |-
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| − | |1) '''Download the latest firmware''' into an external computer.
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| − | | |
| − | 2) '''Uncompress the downloaded file'''.
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| − | | |
| − | 3) '''Create a MicroSD card''' in your external computer.
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| − | | |
| − | 4) '''Plug the MicroSD card''' to IGEP0020 and boot from it.
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| − | |}
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| − | | |
| − | | |
| − | We are now going to update the pre-installed software to the latest version.
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| − | | |
| − | (if you are familiar with Linux, there might be some instructions and comments you can ignore, as they are for Linux newbies)
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| − | | |
| − | | |
| − | 1) '''Downloading the latest firmware'''
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| − | | |
| − | The first thing you'll need to do is to '''download the latest firwmare''' from ISEE.
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| − | | |
| − | At your '''Linux host PC''' you should open '''Terminal''' and type the following command:
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| − | | |
| − | wget http://downloads.igep.es/binaries/firmware/poky-firmware-3.3.1-10.tar.gz
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| − | | |
| − | | |
| − | 2) ''' Uncompressing the downloaded file'''
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| − | | |
| − | Now you have downloaded a compressed file with the latest official firmware into the current directory (.tar.gz).
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| − | | |
| − | Next, we will use the application 'tar' to untar (uncompress) the donwloaded file. In the same Terminal session, type:
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| − | | |
| − | tar xzf poky-firmware-3.3.1-10.tar.gz
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| − | | |
| − | Next, you can go into the extracted directory with the system 'cd' instruction:
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| − | | |
| − | cd poky-firmware-3.3.1-10/
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| − | | |
| − | | |
| − | 3) '''Create a MicroSD card'''
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| − | | |
| − | We are going to create the MicroSD card with the latest firmware. Before it, you have to know '''which 'device' is the MicroSD listed in the /dev/ directory''', a directory where the detected devices are listed by the Linux system.
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| − | | |
| − | To '''know the device name''', follow this instructions:
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| − | | |
| − | '''Insert your MicroSD card''' into the Linux host machine (the machine where you have downloaded the firmware).
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| − | | |
| − | In your Terminal session, run the following '''system command''':
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| − | | |
| − | dmesg
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| − | | |
| − | This instruction will prompt all the '''system traces'''. If your MicroSD card has actually been detected by the system, '''the last lines of that prompt''' will correspond to the MicroSD card detection and mounting.
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| − | | |
| − | Check the '''MicroSD name and path''', for example: /dev/sdb and remember it.
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| − | | |
| − | Now you can '''run the following script''' in the folder you have just extracted, and you will have to add some parameters. In your Terminal session, type:
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| − | | |
| − | | |
| − | ./poky-media-create --mmc [device] --binary poky-image-sato-igep00x0-[timestamp].tar.gz --machine igep0020
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| − | | |
| − | where:
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| − | * [device] is the SD card device name, for example: /dev/sdb
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| − | * [timestamp] the parameter --binary is actually the name of another .tar.gz compressed file that you have already extracted in the previous steps. If you want to auto-complete the [timestamp] parameter, press TAB in the ''timestamp'' when writing the instruction and the system will write the name of the file automatically.
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| − |
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| − | | |
| − | This instruction will last a few minutes. When the process ends, you will have a '''MicroSD card with the latest software''' on it.
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| − | | |
| − | | |
| − | 4) '''Plug the MicroSD card'''
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| − | | |
| − | Therefore, you are ready to try it. '''Plug the MicroSD card into IGEP0020''' and '''power up your board'''.
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| − | | |
| − | === Flashing the software image ===
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| − | ----
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| − | | |
| − | Now your IGEP0020 has the latest firmware '''running from MicroSD card'''.
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| − | | |
| − | But you might want to write the firmware to the flash memory, so '''you won't need the MicroSD card when booting''' the board. So let's do it.
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| − | | |
| − | | |
| − | ''Note: The following process is assuming that your host PC is connected to IGEP0020 via the Serial Debug port. If not, read the Serial Port instructions in the [[Getting Started with IGEP0020 board|previous chapter of this tutorial]].''
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| − | | |
| − | | |
| − | Enter to IGEP0020 using:
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| − | | |
| − | * root as login name
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| − | * an empty password
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| − | | |
| − | The software provided by ISEE has a script that flashes the content of your MicroSD Card to the flash memory in your IGEP0020.
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| − | | |
| − | You have to run this script, that is located at /opt/firmware directory. Open a Terminal and run:
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| − | | |
| − | cd /opt/firmware
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| − | ./flash.sh
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| − | | |
| − | This will last a few minutes. When it is ready, unplug the SD card from IGEP0020 and reboot the board:
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| − | | |
| − | reboot
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| − | | |
| − | Enjoy the new firmware running from flash memory.
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| − | | |
| − | '''Other references''': [[Update_the_PRE-INSTALLED_software_image_to_a_current_release|'''update your pre-installed software image''']]
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| − | | |
| − | | |
| − | === Connect to IGEP0020 via network interfaces ===
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| − | ----
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | |-
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| − | | bgcolor="#cccccc" |'''Overview'''
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| − | |-
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| − | | 1) '''Plug an ethernet cable to IGEP0020
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| − | | |
| − | 2) '''Connect via ethernet network''', SSH: root@192.168.x.x
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| − | | |
| − | 3) '''Connect via wireless network''', SSH: IGEP_WLAN at root@192.168.x.x
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| − | |}
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| − | | |
| − | You can log into IGEP0020 via many '''interfaces with network connectivity''', such ethernet, wifi, usb-ethernet gadget, etc.
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| − | | |
| − | In this tutorial we are going to connect via an ethernet cable. To to that, you need to set an IP in IGEP0020 (host) and start a SSH session in your PC (client). Let's do it.
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| − | | |
| − | First of all, you will need:
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| − | | |
| − | * an '''Ethernet cable'''
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| − | * a '''Linux or a Windows host PC'''
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| − | | |
| − | | |
| − | Log into IGEP0020 via the '''serial cable to the serial debug port in IGEP0020''', as you have done in the previous chapter of this tutorial guide.
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| − | | |
| − | Once you are logged in, run the following command:
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| − | | |
| − | ifconfig
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| − | | |
| − | This will '''list all the enabled network interfaces''' in your IGEP0020.
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| − | | |
| − | We are going to '''focus on 'eth0''''. This is the ethernet interface in your IGEP0020, which is the interface we will '''connect to from our host PC'''.
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| − | | |
| − | Connect the ethernet cable between your host PC and IGEP0020 (or through any wired network such switch).
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| − | | |
| − | Now, let's '''set an static IP''' to this interface in IGEP0020, so we will be able to reach the target from the PC.
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| − | | |
| − | Type the following command in your serial console:
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| − | | |
| − | ifconfig eth0 192.168.6.2
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| − | | |
| − | | |
| − | Next, set an '''IP within the subnet''' in your host PC, for example: 192.168.6.3
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| − | | |
| − | Then, run a '''SSH client''' such '''Putty''' and start a SSH session to the target from your host PC.
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| − | | |
| − | You can download it from its official page at: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
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| − | | |
| − | Install and run Putty. It will look like this:
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| − | | |
| − | [[Image:Putty ssh.png|center]]
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| − | | |
| − | # Select the '''SSH''' at connection type.
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| − | # Next insert the '''IP address of the target'''. In this case, the IGEP0020 IP you have already set (192.168.6.3).
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| − | # Ensure that the port is set to '''22''', the default for SSH communications.
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| − | # Finally, push the '''Open button''' to start the SSH session.
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| − | | |
| − | | |
| − | If everything goes right, you will be able to access to an IGEP0020 console from your PC via ethernet.
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| − | | |
| − | === Basic instructions ===
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| − | ----
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | |-
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| − | | bgcolor="#cccccc" |'''Overview'''
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| − | |-
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| − | | Learn some Bash basic instructions in Linux (for newbies).
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| − |
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| − | 1) Create, edit, move and delete files
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| − | | |
| − | 2) Run a simple script
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| − | |}
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| − | | |
| − | IGEP0020 is '''compatible with many Linux distributions'''. In this tutorial we are using Poky Linux, which is the pre-installed software from ISEE.
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| − | | |
| − | In case you are not familiar with Bash instructions, here comes some basic instructions to help you startup with the board.
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| − | | |
| − | First of all, '''log in to IGEP0020''' with a console from your host PC (via serial port or via SSH), as shown previous sections in this article. Remember the default settings:
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| − | | |
| − | login: root
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| − | password: (none: press return)
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| − | | |
| − | Once you are logged in IGEP0020, run the following commands:
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| − | | |
| − | cd /
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| − | ls
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| − | | |
| − | You have moved to the root directory, that is "/".
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| − | The instruction "ls" lists all the existing files and directories in the current "path".
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| − | | |
| − | Now let's go to the directory /home/root/ with:
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| − | | |
| − | cd /home/root/
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| − | | |
| − | You can always check at which directory you are with the instruction:
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| − | | |
| − | pwd
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| − | | |
| − | Most instructions include a 'help' option that can be accessed by inserting the parameter --help. Check out the help page of 'echo' instruction, for example:
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| − | | |
| − | echo --help
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| − | | |
| − | You can try the instruction by yourself and type:
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| − | | |
| − | echo Hello
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| − | | |
| − | You have sent the text "Hello" to the standard output, that is the console you are interacting with.
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| − | | |
| − | But you can change and 'redirect' the output by using the character '>' :
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| − | | |
| − | echo Hello world! > /home/root/name.file
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| − | | |
| − | Now notice you have redirected the output to a file called name.file :
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| − | | |
| − | ls
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| − | | |
| − | You can append any file using '>>' instead of '>'.
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| − | You can print the content of the file to the standard output:
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| − | | |
| − | cat /home/root/name.file
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| − | | |
| − | '''Building a basic script'''
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| − | | |
| − | You can create a script that can run any instruction you want to use in Bash. The main advantage is that you do not have to compile the code, as is auto-interpereted by the system.
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| − | | |
| − | We are going to create a basic 'Hello World' script that is going to run the same command you have actually used before:
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| − | | |
| − | echo "echo > Hello world!" > /home/root/example.sh
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| − | cat example.sh
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| − | | |
| − | Now you have created a file called example.sh, but by default it has no execute permissions (x):
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| − | | |
| − | ls -la
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| − | | |
| − | We are going to add permission to the file by:
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| − | | |
| − | chmod a+x example.sh
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| − | ls -la
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| − | | |
| − | Now you can run the script:
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| − | | |
| − | ./example.sh
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| − | | |
| − | You can edit this file (example.sh) with 'vi', the pre-installed text editor in IGEP0020.
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| − | | |
| − | vi example.sh
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| − | | |
| − | Press ESC and:
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| − | | |
| − | * :q! , to exit without saving
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| − | * :w , to save
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| − | * :wq , to quit and save
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| − | * i , to insert text
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| − | | |
| − | '''Other simple & useful instructions'''
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| − | | |
| − | * mkdir
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| − | * rmdir
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| − | * find
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| − | * grep
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| − | | |
| − | You can stop any instruction by pressing CTRL+C
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| − | | |
| − | | |
| − | === Send a file between a PC and IGEP0020 ===
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| − | ----
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| − | | |
| − | In a Linux host PC, you can use SCP (secure copy) via SSH to transfer files between IGEP0020 and your host PC.
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| − | | |
| − | First of all, set an static IP to your Linux Host (for example, 192.168.6.3) and another IP within the subnet for IGEP0020 (for example, 192.168.6.2).
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| − | | |
| − | First of all, you check the connectivity (From IGEP0020 console):
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| − | | |
| − | ping 192.168.6.3
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| − | | |
| − | Press CTRL-C to stop the command.
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| − | | |
| − | Now let's transfer a file called original.file in your host PC to IGEP0020 in /home/root/
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| − | | |
| − | In your Host PC open Terminal and type:
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| − | | |
| − | scp -r original.file root@192.168.6.2:/home/root/destination.file
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| − | | |
| − | You can repeat the process from the IGEP0020 console, and transfer a file from IGEP0020 to your Host PC.
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| − | | |
| − | === How to handle the gpio-LED's ===
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| − | ----
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | |-
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| − | | bgcolor="#cccccc" |'''Overview'''
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| − | |-
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| − | | Using IGEP0020 LED's with the associated platform device at /sys/devices/platform/leds-gpio/leds/
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| − | |}
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| − | | |
| − | IGEP0020 has many devices that can be controlled using '''simple instructions'''.
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| − | | |
| − | In this tutorial, we are going to use the '''4 LED's available in the board''', which probably is the most simple feature in the board, but sometimes you may want LED's to be a way of checking the status of some of your applications.
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| − | | |
| − | You can easily '''turn LED's on and off''' using the 'echo' instruction.
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| − | | |
| − | Log into IGEP0020 (via serial port or via SSH, as shown before), and run the following commands to turn LED's on:
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| − | | |
| − | <pre>echo 1 > /sys/devices/platform/leds-gpio/leds/d240\:green/brightness
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| − | echo 1 > /sys/devices/platform/leds-gpio/leds/d240\:red/brightness
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| − | echo 1 > /sys/devices/platform/leds-gpio/leds/d440\:green/brightness
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| − | echo 1 > /sys/devices/platform/leds-gpio/leds/d440\:red/brightness
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| − | </pre>
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| − | | |
| − | You can turn them down using the same command and write '0' instead of '1'.
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| − | | |
| − | '''Other functionalities'''
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| − | | |
| − | If you want to trigger the leds you can enable this mode and select the trigger source (none by default) to: mmc0, mmc1, timer, heartbeat and default-on.<br>
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| − | | |
| − | To enable any of this modes you just have to change a parameter in the directory of the led you want to control. You can see all the possibilities using the instruction 'cat':<br>
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| − | | |
| − | <pre>$ cat /sys/devices/platform/leds-gpio/leds/d240\:green/trigger
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| − | | |
| − | [none] mmc0 mmc1 timer heartbeat default-on | |
| − | </pre>
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| − | | |
| − | In the example above, we have checked the status of the trigger in led D240:green. Mode 'none' is selected.
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| − | | |
| − | To change it, for example, to the timer mode you can use 'echo':
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| − | | |
| − | <pre>echo timer > /sys/devices/platform/leds-gpio/leds/d240\:green/trigger
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| − | </pre>
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| − | | |
| − | In this case, we have set the trigger to the 'timer' mode. Now you can set the time for what the led is ON and the time it is OFF using:
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| − | | |
| − | <pre>echo 250 > /sys/devices/platform/leds-gpio/leds/d240\:green/delay_on
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| − | echo 750 > /sys/devices/platform/leds-gpio/leds/d240\:green/delay_off
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| − | </pre>
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| − | | |
| − | Now the selected led is configured with a timer consisting of 250 miliseconds ON and 750 miliseconds OFF.
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| − | | |
| − | | |
| − | === Mount a MicroSD card ===
| |
| − | ----
| |
| − | | |
| − | (Work in progress section!)
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| − | | |
| − | mount -t jffs2 /dev/mtdblock1 /mnt/tmp/
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| − | | |
| − | umount
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| − | | |
| − | === How to use RS-485 ===
| |
| − | ----
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| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
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| − | |-
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| − | | bgcolor="#cccccc" |'''Overview'''
| |
| − | |-
| |
| − | | Follow the link to the extensive article: [[How_to_use_RS485_on_IGEP0020_board|How to use RS-485 on IGEP0020 board]]
| |
| − | |}
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| − | | |
| − | | |
| − | === How to get sound out (audio out) ===
| |
| − | ----
| |
| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
| |
| − | |-
| |
| − | | bgcolor="#cccccc" |'''Overview'''
| |
| − | |-
| |
| − | | Use: aplay
| |
| − | |}
| |
| − | | |
| − | 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
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| − | 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 sample.wav
| |
| − | | |
| − | === How to get sound in (audio in) ===
| |
| − | | |
| − | {| cellspacing="0" cellpadding="5" border="1" align="center" width="100%" style="text-align: left;"
| |
| − | |-
| |
| − | | bgcolor="#cccccc" |'''Overview'''
| |
| − | |-
| |
| − | | Use: arecord
| |
| − | |}
| |
| − | | |
| − | You can record audio in with the application Arecord, for example:
| |
| − | | |
| − | arecord -t wav -c 2 -r 44100 -f S16_LE -v audio-in.wav
| |
| − | | |
| − | Following output is expected on console:
| |
| − | | |
| − | Recording WAVE 'audio-in.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
| |
| − | Plug PCM: Hardware PCM card 0 'TWL4030' device 0 subdevice 0
| |
| − | Its setup is:
| |
| − | stream : CAPTURE
| |
| − | access : RW_INTERLEAVED
| |
| − | format : S16_LE
| |
| − | subformat : STD
| |
| − | channels : 2
| |
| − | rate : 44100
| |
| − | exact rate : 44100 (44100/1)
| |
| − | msbits : 16
| |
| − | buffer_size : 32768
| |
| − | period_size : 2048
| |
| − | period_time : 46439
| |
| − | tick_time : 7812
| |
| − | tstamp_mode : NONE
| |
| − | period_step : 1
| |
| − | sleep_min : 0
| |
| − | avail_min : 2048
| |
| − | xfer_align : 2048
| |
| − | start_threshold : 1
| |
| − | stop_threshold : 32768
| |
| − | silence_threshold: 0
| |
| − | silence_size : 0
| |
| − | boundary : 1073741824
| |
| − | | |
| − | When ever you think you want to stop recording just press CTRL+C
| |
| − | | |
| − | | |
| − | ----
| |
| − | | |
| − | | |
| − | === The next step is: [[Start developing under IGEP Technology]] ===
| |
| − | | |
| − | | |
| − | This guide is divided in three different chapters:
| |
| − | | |
| − | * '''Getting started''': A basic tutorial about how to connect and boot your IGEP0020
| |
| − | * '''What can I do?''': An extensive article to setup the main peripherals of IGEP0020
| |
| − | * '''Start developing''': Once you have successfully followed the previous tutorials, you are ready to start developing with IGEP Technology. Here you will find some basic tips tricks about how to start with it.
| |
| − | | |
| − | For further information about this board, there exist other sections where you can find specific and extended contents, in-depth description, valuables web links, etc.
| |
| − | | |
| − | If that is your case, visit the '''[[:Category:IGEP0020|main page of IGEP0020]]''' or check the categories at the IGEP Community Wiki.
| |
| − | | |
| − | [[Category:IGEP0020]]
| |
| − | [[Category:Tutorials]]
| |
| − | [[Category:Work in progress]]
| |
