libftdi Archives

Subject: Re: LibFTDI send problem

From: Matthias Janke <matthias.janke@xxxxxxxxxxxxxxxxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Wed, 21 Mar 2012 10:28:40 +0100
Hi Tim,

Am Wed, 21 Mar 2012 09:24:52 +0100
schrieb Thomas Jarosch <thomas.jarosch@xxxxxxxxxxxxx>:
> > My device periodically sends sensor data across the usb interface once it
> > received the start command, which is just the word "start" send in ascii
> > letters to the device. Unfortunately the sending of the start command
> > somehow fails. 
> 
> We had trouble back in the days with the first write command
> getting lost. When we tried to track it down, the problem vanished.

I had this problem where the first byte of the first write got lost only with 
the
0.x branch. I'm now using the 1.x branch and never lost any byte in sending or
reading, even though it takes usually more than one read to get all bytes of a
transmission. 

Cheers,
Matthias



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