Paul Edwards wrote in a message to Jonathan Tew:

 PE> I know it's a bit late, but I released some comms routines
 PE> into the public domain some time ago, that are 32-bit for
 PE> OS/2.  You can FREQ them from 3:711/934 as PDCOM*.ZIP, 12k
 PE> in size.  Written in C.  The only problem is that they only
 PE> go up to 57600.  Does anyone know why this would be?  115200
 PE> causes a parameter error, despite the fact that I'm using
 PE> the extended set bit rate function 0x43.  There was some
 PE> mention in the docs of higher bit rates only  working for
 PE> enhanced uarts or something, but I am using it on a port
 PE> with a 16550, and I have used the mode command to set
 PE> BUFFER=ON, so I've run out of ideas after that.  BFN.

Using MODE to turn the FIFOs on doesn't necessarily enable
"enhanced" mode... Try enabling it with an ASYNC_IOCTL function
54h.

-jL [ Team-OS/2 ]

--- timEd/2 1.01+