Re: [Bluez-devel] Bluez article on OReillyNet

Peter Wippich
2006-10-03T13:49:27Z

Hi ,

On Tue, 3 Oct 2006, Guylhem Aznar wrote:

> Unfortunately, the ARM machines I have only have serial ports ....
>
> I will try to have them chips on HWUART which should not have speed problems.

Depending on your system it is most likely that the HW Uart extension is
not realy supported by the serial driver. I currently only know for sure
for PXA type system. You need a special HWUART driver to take advantage of
the HWUART.

For a PXA system we may help you out if you insist. We've not supplied it
yet for general inclusion because
a) it is not generic enough (makes assumptions about the HW used)
b) Marcel would reject it because of coding style (uses 4 characters space
indenting.....)

Further you may get problems with the RS232 driver chips usualy
used. If you're able to connect the serial bluetooth module directly to
the ARM UART lines (Rx / Tx / RTS /CTS) (3 Volt interface without RS232
driver on both sides) this would be much better.

Ciao,

Peter

| Peter Wippich Voice: +49 30 46776411 |
| G&W Instruments GmbH fax: +49 30 46776419 |
| Gustav-Meyer-Allee 25, Geb. 12 Email: pewi@gw-instruments.de |
| D-13355 Berlin / Germany |