what is a brailler curtain? email: jkenn337 at gmail.com skype: jkenn337 msn: kenn6498ku at hotmail.com ----- Original Message ----- From: "Kerry Hoath" <kerry@xxxxxxxxx> To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca> Sent: Thursday, February 28, 2008 4:29 PM Subject: Re: tripletalk (was 4DOS) > we have a usb doubletalk circuit and evaluation board and we'll give the > eval board to whoever can write a driver for it. > It uses the ftdi usb2serial bridge and the v8660 chip. > It works with Jaws except the rate command goes up to 13 not 9. > > we want to use this board in a brailler Curtin Uni wants to make but we > don't have anyone able to write usb interface logic for the thing. > I guess this could run in userspace or something. > anyone who wants to write a driver get in touch and we can arrange to > provide the evaluation board we have built. > the synth has both usb and serial ports, it takes power off the usb. > headphones out only to keep the size down. > Regards, Kerry. > > ----- Original Message ----- > From: "Kirk Reiser" <kirk at braille.uwo.ca> > To: "Speakup is a screen review system for Linux." > <speakup at braille.uwo.ca> > Sent: Thursday, February 28, 2008 11:58 PM > Subject: Re: tripletalk (was 4DOS) > > >>I can't tell you what the exact hardware is because I don't remember >> or maybe never knew. It is I suspect a small pci board which can be >> placed in a computer or a separate box just like the Accent's were. >> It has interfacing circuitry that tie the pci bus and/or the USB uart >> to a RC Systems Doubletalk chip. I don't know what Randy is calling >> that chip but it is based on the v8650 board but made into a LSI chip. >> That same chip is used in the bookport, book currier and a number of >> other products. The uart also services the rs-232C connector. >> >> It is true that Access Solutions were not forth coming in the >> beginning. I suspect they thought they could make it on their own >> with the Microsoft Windows community but soft synths have been gaining >> a lot of prominence and so the hardware synth world is shrinking >> radically. They have become much more helpful over the years. I just >> haven't had time to write drivers to support the pci and usb portions >> of the device. >> >> As for the firmware, it is the same or almost the same as on the >> Doubletalk family of synths. How Randy missed the bug is beyond me >> and for that matter him as well. It's obviously a not very often used >> feature of the firmware but one I particularly like because it allows >> us to find out which version and form of the firmware is being used. >> Those version/parametre strings are slightly different for the groups >> Randy has sold to and supports. For example the original Microtalk >> version of the firmware has a secondary flush command '^y' which only >> flushes up to the next newline/carriage return characters for software >> that supported it. That gave ASAP the ability to provide a feature >> which could allow one to quickly scan through a document being read by >> just tapping the shift key to immediately move on to the next line. >> >> >> Kirk Reiser The Computer Braille Facility >> e-mail: kirk at braille.uwo.ca University of Western Ontario >> phone: (519) 661-3061 >> >> _______________________________________________ >> Speakup mailing list >> Speakup at braille.uwo.ca >> http://speech.braille.uwo.ca/mailman/listinfo/speakup >> > > > _______________________________________________ > Speakup mailing list > Speakup at braille.uwo.ca > http://speech.braille.uwo.ca/mailman/listinfo/speakup
