This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: Problem with V850 serial interface
- From: "Cristoforo Abbattista" <cristoforo dot abbattista at planetek dot it>
- To: Andrew Lunn <andrew at lunn dot ch>
- Cc: ecos-discuss at sources dot redhat dot com
- Date: Thu, 02 Dec 2004 15:12:01 +0100
- Subject: Re: [ECOS] Problem with V850 serial interface
- Organization: Planetek Italia s.r.l. +39 080 5343750
- References: <41AF2C80.2396.13820C9@localhost>
Andrew
we are using the full driver and the setting of the parameters is oK.
Thanks
Other hints?
Cris
> On Thu, Dec 02, 2004 at 02:53:52PM +0100, Cristoforo Abbattista wrote:
> > Hi all > > We are trying to integrate the C328-7640 camera (OV528
> chip) inside an application > based on eCos OS on a Nec V850. This
> should be done by sending serial > command through the RS-232
> interface. > > While we are able to develop a Visual Basic program to
> exchange > information between a PC and the camera board, we never
> receive > information through the V850 chipset. > > For sure we are
> able to send serial command, because we monitor them > connecting the
> V850 to the PC port. > > Some hints to understand why we are
> experiencing such a > problem? And also something to solve the
> problem? > > The Receiving buffer of the V850 is always empty. > In
> the past we connect other serial devices to V850 and they worked.
>
> Have you checked the usual problems:
>
> Flow control, number of bits, parity etc...
>
> Are you using the full serial driver or just the hal_diag driver. You
> should be using the full driver for this sort of application.
>
> Andrew
--
Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos
and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss