Com port question
Hello.
Quoted 1 line · Bernie Gardner
slow to keep up. Is there a way to speed up the com port?
Probably no - emulation is an emulation. It works quite fast in a FIFO mode (buffering), but when there is no buffering and each operation must be performed immediately, if falls down with a perforance.
You can always try to use a direct access to the com ports (bypassing an emulation) but it is not something that is recommended for the real use. Try setting $_hogthreshold to 0, maybe that will help a bit.
Btw, what dosemu version do you have? The latest ones shold perform a little better under some conditions.
Hi there,
Quoted 4 lines · Stas Sergeev
Quoted 1 line · Bernie Gardner
slow to keep up. Is there a way to speed up the com port?
Probably no - emulation is an emulation.
It works quite fast in a FIFO mode (buffering),
I do not think FIFO buffering will help a program which manipulates the DTR line directly, as the UART is not actually sending data in the normal way - it's just being used as a 1-bit data latch.
[snip]
Quoted 4 lines
You can always try to use a direct access to the com ports (bypassing an emulation) but it is not something that is recommended for the real use. Try setting $_hogthreshold to 0, maybe that will help a bit.
Unless you can get the source for the program and recompile it for Linux, I think direct access is the best way to go in this case.
73,
Ged.
Quoted 7 lines · Ged Haywood
Hi there,
Quoted 4 lines
You can always try to use a direct access to the com ports (bypassing an emulation) but it is not something that is recommended for the real use. Try setting $_hogthreshold to 0, maybe that will help a bit.
Quoted 7 lines
Unless you can get the source for the program and recompile it for Linux, I think direct access is the best way to go in this case.
73,
Ged.
Thanks to you and Stas Sergeev for the thoughts. I am using dosemu version 1.0.2.0 on SuSE 8.1 if it matters. It's possible if I have to ask I shouldn't do it, but can you give me a hint how to set up for direct access to the serial port?
Thanks and 73,
Bernie
[email protected]