Re: [avrdude-dev] “Not a typewriter” avrdude err or on Android

[Anton Smirnov]

> That cannot work.

As i said file descriptor is used, file path is used only for message
(agree that's misleading, path is passed to avrdude too).

How can i understand what type of file descriptor is returned since i can't
find explanation in UsbDeviceConnection,getFileDescriptor() description
and it uses native code behind the scene.

> Can i walk around using modified libusb which can work
with file descirptor (
https://github.com/martinmarinov/rtl_tcp_andro-/tree/master/jni/libusb-andro/libusb,
open2() function)?
Can this help?

> You need a serial emulation device.  Depending on your operating system,
the pathname for it might look like /dev/ttyS3, /dev/ttyUSB2, /dev/cuau4,
/dev/ttyACM0, /dev/term/whatever — whatever your driver implements.

/dev/bus/usb devices cannot be used directly for STK500v2.

All this relates to Android. I'm not using file path (see above), but file
descriptor passed from android app.




2013/6/11 Joerg Wunsch <address@hidden>

> As Anton Smirnov wrote:
>
> > avrdude: ser_setspeed(): tcgetattr() failedavrdude: ser_open(): can't set
> > attributes for device "/dev/bus/usb/002/002": Not a typewriter
>
> That cannot work.
>
> > What is the reason of error?
>
> You need a serial emulation device.  Depending on your operating system,
> the pathname for it might look like /dev/ttyS3, /dev/ttyUSB2, /dev/cuau4,
> /dev/ttyACM0, /dev/term/whatever — whatever your driver implements.
>
> /dev/bus/usb devices cannot be used directly for STK500v2.
>
> --
> cheers, Joerg               .-.-.   --... ...--   -.. .  DL8DTL
>
> http://www.sax.de/~joerg/
> Never trust an operating system you don't have sources for. ;-)
>
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