To possibilities come to mind: An old version (DOS) of ProComm might have the BAUD rate generator constants accessible.
Some older RS-232 testers have adjustable (with a pot) BAUD rates. FWIW, -John ================= > >> Are there any terminal programs out there that allow you to select rates >> other than the standard values? > > I doubt if you will have much luck in that area, but please let me/us know > if > you find something. > > The API from user code to the kernel for the baud rate is usually pick one > from a small set. (At least in Unix/Posix.) > > >> I'd like to avoid any hardware kludges and hopefully make the fix in the >> terminal software. > > Several ideas... > > If you are using Linux, you could build your own kernel. Then find the > module for your serial chip and patch the baud rate table so that one of > the > normal speeds you don't use would run at the speed you want. > > You could also get a PCI card with a serial interface. It will have a > crystal on it, probably in an oscillator package. Change that crystal to > something that fits your needs. That will scale all of the speeds on that > card so it probably won't be useful for anything else. > > Another approach would be to get a micro with two serial interfaces and > write > a speed-changing program. Since you are working on the raw hardware, you > can > set the speeds to whatever you want. > > I'm picturing 2 buffers (one each direction) and a big loop that: > Character ready on line 1: read it and put it in the buffer > Character ready on line 2: read it and put it in the other buffer > Space available on line 1 and data in buffer? Send a character > ... > > You would need flow control in the fast-slow direction, or set things up > so > that the buffer is big enough for all the messages you send and your > program > (or human) waits long-enough between messages. > > > > > -- > These are my opinions, not necessarily my employer's. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.