From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by befuddled.reisers.ca (Postfix, from userid 65534) id 145171EF702; Sun, 19 Apr 2015 14:02:32 -0400 (EDT) Received: from mail0131.smtp25.com (mail0131.smtp25.com [75.126.84.131]) by befuddled.reisers.ca (Postfix) with ESMTPS id 5F4091EF6F2 for ; Sun, 19 Apr 2015 14:02:30 -0400 (EDT) Received: from ccs.covici.com (localhost [127.0.0.1]) by ccs.covici.com (8.14.9/8.14.8) with ESMTP id t3JI2KuA006835; Sun, 19 Apr 2015 14:02:20 -0400 From: covici@ccs.covici.com To: mike@raspberryvi.org, "Speakup is a screen review system for Linux." Subject: Re: Connecting hardware synthesizer to speakup without serial port. In-reply-to: <5533D265.8060409@raspberryvi.org> References: <5533D265.8060409@raspberryvi.org> Comments: In-reply-to Mike Ray message dated "Sun, 19 Apr 2015 17:05:57 +0100." X-Mailer: MH-E 8.5; nmh 1.6; GNU Emacs 23.4.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sun, 19 Apr 2015 14:02:20 -0400 Message-ID: <6833.1429466540@ccs.covici.com> X-SpamH-OriginatingIP: 70.109.53.110 X-SpamH-Filter: d-out-001.smtp25.com-t3JI2LNK023163 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 X-BeenThere: speakup@linux-speakup.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "Speakup is a screen review system for Linux." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Apr 2015 18:02:32 -0000 I use a hardware synth all the time with USB to serial converters, but they have to use the ftdi chip set. The only problem is that it does buffer more than I would like. Mike Ray wrote: >=20 >=20 > No, speakup and the Apollo, or any other hardware speech-synthesiser > will not work with a USB to serial adaptor. >=20 > I believe this to be because a genuine serial port (RS232) and speakup > use the hardware hand-shaking pins (RTS and CTS?), to communicate > readiness to send and recieve data. The USB to serial adaptors will > either not support this hardware hand-shaking or it takes a differently > written program to use it. >=20 > Mike >=20 >=20 > On 19/04/2015 16:43, Glenn / Lenny wrote: > > Hi, > > I thought that it will work with a USB to serial adapter, but you may n= ot=20 > > get the initial computer boot-up messages because the USB to serial dri= ver=20 > > would not have been loaded yet. > > Glenn > > ----- Original Message -----=20 > > From: "=C5=82ukasz golonka" > > To: > > Sent: Sunday, April 19, 2015 6:01 AM > > Subject: Connecting hardware synthesizer to speakup without serial port. > >=20 > >=20 > > Hi. I have apollo II synthetiser. I would like to connect it to > > speakup, but i have computers without physical serial port. Usb to > > serial interfaces don't work with speakup of course. Is it possible to > > connect speakup to apollo. I've heard about possibility to connect > > external synthetiser to speakup using express card to com adapter, but > > my computer doesn't have physical express card port, so i must again > > use express card to usb converter. > > Thank you for help. > > Lukasz. > > _______________________________________________ > > Speakup mailing list > > Speakup@linux-speakup.org > > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup > >=20 > > _______________________________________________ > > Speakup mailing list > > Speakup@linux-speakup.org > > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup > >=20 >=20 >=20 > --=20 > Michael A. Ray > Analyst/Programmer > Witley, Surrey, South-east UK >=20 > Interested in accessibility on the Raspberry Pi? > Visit: http://www.raspberryvi.org/ > From where you can join our mailing list for visually-impaired Pi hackers > _______________________________________________ > Speakup mailing list > Speakup@linux-speakup.org > http://linux-speakup.org/cgi-bin/mailman/listinfo/speakup --=20 Your life is like a penny. You're going to lose it. The question is: How do you spend it? John Covici covici@ccs.covici.com