Anyone? luni, 21 aprilie 2014, 17:01:48 UTC+3, Ionut Bungeanu a scris: > > Hello everybody, > > I have an IOIO-OTG, and developed a simple app to communicate with it (I > need ioio as a device). My problem is that the app works on a tablet with > Android 4.0.1, but does not detect the ioio device on other tablet with > Android 4.1.2. I saw there is a difference in how the system sees the IOIO. > On 4.0.1 it is seen as /dev/bus/usb... where for 4.1.2 it is seen as > /dev/ttyACM0 (what you would expect from a normal linux on a PC). > > Does anyone has any ideea why is that, and how can I fix it, so I can see > the IOIO as a device, using the normal IOIOLibAndroidDevice ? > Is there a missing drivere, or a wrong configuration? > > - The tablet is rooted. > - Accessory works on both tablets, but I also need it to work with tablet > as Host. > - The file /system/etc/permissions/android.hardware.usb.host.xml is > there to enable the android.hardware.usb.host feature in android. > - Using *cat /dev/ttyACM0 *gives me IOIOSPRK0020IOIO0400IOIO0330. Thus > one idea is to use SerialPortIOIOConnection (ported for android). I would > like to avoid this if possible. > > Thank you. >
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