Re: [ECOS] Serial I/O read

[Grant Edwards <grante at visi dot com>]

On Mon, Sep 24, 2001 at 01:23:46PM -0400, Greg Marsden wrote:

> Is there a way that I can request a read of a block of
> characters from a serial port and have the read function
> return when it has between 1 and blockLen characters.

I recently implimented this in my custom serial driver and
submitted a description of how to do it in the standard serial
driver (it's only a few lines of code):

http://sources.redhat.com/ml/ecos-discuss/2001-08/msg00521.html

I don't know if anybody has implimented it yet or not.

> Most Unix and Win32 api's support this mode, Ecos seems to wait
> until a full buffer is available or it returns immediately with
> no characters in non blocking mode.

-- 
Grant Edwards
grante@visi.com