Re: [libusb] I have trouble with libusb_control_transfer

[Tim R. <ti...@pr...>]

On May 6, 2019, at 7:45 PM, 손창범 <ckd...@gm...> wrote:
> 
> problem is this. When I send 1920(bytes) * 254 times, device reports LIBUSB_ERROR_NO_MEM.
> 
> I've changed it to 2000(bytes) * several times and Memory error appears at similar memory amount.

Are you sending this data in real-time, or are you trying to send it all at once?  You should only get about 10ms ahead of the device.  So, for example, you should two 1920-byte buffers, and when the first buffer is finished, send the third.
— 
Tim Roberts, ti...@pr...
Providenza & Boekelheide, Inc.