Infomark Driver

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Infomark Composite Gadget Driver

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In this guide is used IGEP firmware Yocto
  • 3Connect to IGEP device
    • 3.1Linux
      • 3.1.1Troubleshooting
    • 3.2Windows and MAC OSX

Overview

The Linux kernel has a class of drivers called USB Gadgets that allow you to use USB as a transport for a number of different protocols like serial, virtual file systems and Ethernet devices.

The USB OTG connector supports using the Ethernet Gadget to create a networking device over USB. From the client's (and host's) perspective this driver simply appears as another Ethernet device, enabling us to have Ethernet access on the board by hooking them up to a desktop, so this USB slave device can communicate with a properly configured USB host.

Requirements

There are some requisites to follow this guide:

  • IGEP Processor Board
  • Host PC

Connect to IGEP device

Linux

NOTE: You should have the usbnet module available for your Linux kernel. On most distributions, this is the case by default. If this is not the case for your distribution, you will need to enable USB networking support in the kernel. If you build your own kernel then you want 'CDC Ethernet support' in USB Network adaptors. IGEP SDK Virtual Machine has this module enabled.

  • In the file /etc/network/interfaces, you should add:

Infomark Driver License

  • Plug an USB Type-A to USB Type-A mini cable between your host PC and the USB OTG from IGEP device. Use a powered USB Hub if you use IGEP COM MODULE or PROTON Board.
  • If you use IGEP SDK VM you need to attach the removable device RNDIS driver.
  • Type in a terminal:
  • Revise that:
  • Connect to IGEP device

Troubleshooting

WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!
Driver

In the case of the SSH client in Linux, a changed host key results in the client refusing to connect and showing an remote host identification has changed error

To fix the problem edit your ~/.ssh/known_hosts and remove the line corresponding to this host.

NFS in root filesystem

Don't use NFS in root filesystem combined with USB Ethernet Gadget

Windows and MAC OSX

You should use IGEP SDK Virtual Machine to develop under IGEP Technology, but you can use these alternatives too:

Windows 7

Windows XP

1. During the first seconds the module is recognized as OMAP3430. Avoid the installation of this device and wait until RNDIS/Ethernet gadget is detected by the operating system.

2. The following driver INF file from the Gumstix Project works under Windows XP. http://www.davehylands.com/linux/gumstix/usbnet/linux.inf

3. In Control Panel/Network Connections and after driver installation set up the TCP/IP properties of the Local Network Connection (Linux USB Ethernet/RNDIS Gadget) as follow:

4. Use PuTTy to connect via SSH (192.168.7.2)

Driver

Thanks to Iñigo Lazkanotegi from Tecnalia (Donostia - San Sebastián) for this contribution.

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