Am Donnerstag, den 13.12.2007, 09:22 +0200 schrieb Graeme Geldenhuys:
> Hi,
>
> I'm trying to write a Phone Dialer feature in my application. I
> managed to do this a long time ago in a Delphi app using Windows API
> calls, but now I need it for Linux and Windows. Unfortunately the
> serial.pp unit is not documented and searching the FPC src directory
> didn't yield any examples either.
>
> So the code below is a shot in the dark. Could anybody familiar with
> the serial.pp unit comment please. If I get this working, maybe it
> can serve as a simple example of using the serial.pp unit?
>
>
> A few notes and questions:
>
> 1. ComPortToString will create a string containing the selected com
> port of the OS. eg Linux = '/dev/tty0' or under Windows = 'COM1'
>
> 2. What status codes does SerWrite() return? What are valid/invalid codes?
On Unix SerWrite and SerRead return the count of bytes written or read.
On Windows you've got to check yourself ...
So sth. like:
status := SerWrite(serialhandle, s, Length(s));
if (status <> Length(s)) then bark;
should be appropriate.
HTH,
Marc
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