[ECOS] Problem with V850 serial interface

Cristoforo Abbattista cristoforo.abbattista@planetek.it
Thu Dec 2 14:12:00 GMT 2004

we are using the full driver and the setting of the parameters is oK.

Other hints?

> 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

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