> Hello,
> I have install the libusb-0.1.8 in order to communicate easily with my HID device
> which works in interrupt and it can receive and transmit 2 bytes in ep1.
> As soon as I try to read or to write with the functions usb_interrupt_read &
> usb_interrupt_write
> they return me -16. Has anyone read or/and written with this functions?
>
> Here is a part of my code:
> buf[1]=55; buf[0]=22;
> num_write_bytes = usb_interrupt_write(udev, 0x01, buf, 16, 500);
> printf("nb written=%d\n",num_write_bytes);
> usb_close (udev);
>
> the size parameter is in bit or byte.
>
> Many thanks
>
> B.GIRAUD
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