Clipper - COM port functions

Author

COM port functions

Luca

2005-05-30, 8:55 am

Hi,
I have a problem with COM Ports under Windows 98: functions COM_OPEN,
COM_INIT doesn't run well.
Is there any function to use instead of theese?

Otherwise I have to write a suite of functions in C and link its with
the CLIPPER-OBJ with Blinker. Is it a possible solution?

Thank you to all,

Luca Coliva

Reincarnated

2005-05-30, 8:55 am

Telepathy works very well under Win 98

On 29 May 2005 23:55:17 -0700, "Luca" <luca.coliva@gmail.com> wrote:

>Hi,
> I have a problem with COM Ports under Windows 98: functions COM_OPEN,
>COM_INIT doesn't run well.
>Is there any function to use instead of theese?
>
>Otherwise I have to write a suite of functions in C and link its with
>the CLIPPER-OBJ with Blinker. Is it a possible solution?
>
>Thank you to all,
>
>Luca Coliva

John.

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Ian Boys

2005-05-30, 8:55 am

I have not had problems with comms under 98, except for one!

Windows 98 boots up and the com ports are switched on. It saves this info
then loads Windows and the power saving turns the ports off. You then load a
DOS app and Windows returns the origional status, ie port is on, while in
fact it's off.

You could turn power saving off in the BIOS, but this can cause AMD
Athlons/Durons to run hotter, ACPI issues a stop on the CPU rather than a
pause in the idle state and this can

the CPU by 3-4Deg C.

There is a registry hack:
HKEY_LOCAL_MACHINE\System\CurrentControl
Set\Services\VxD\VCOMM change it
from
01 00 00 00 to 00 00 00 00

Reboot the PC and things should be OK.

Ian Boys
DTE Systems

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