[Lazarus] Serial communication??

Michael Van Canneyt michael at freepascal.org
Wed Sep 29 11:04:59 CEST 2010

On Wed, 29 Sep 2010, Bo Berglund wrote:

>> Graeme Geldenhuys wrote:
>>> On 28 September 2010 21:50, steveg <steveg at nevets.com.au> wrote:
>>>> Quickest way I have found is to enumerate the device files in /dev
>>>> extracting all 'ttyxx' (comports) and 'ttyU' (usb ports).
>> This gives a list
>>>> of 'probables'. Then try to connect (using SynaSer for
>> example) to verify
>>>> actual usable ports in the list
>>> I think you can narrow that down to only the following:
>>> Serial (COM) ports:  /dev/ttyS*
>>> USB ports:  /dev/ttyU*
>> absolutely correct - forgot to add the 'S' in my note :)
>> sorry about that
> Fine, so now I have to find code to do a listing of files...
> I guess that FindFirst and FindNext from Windows API does
> not work...
> How is it done in FPC/Lazarus to list files in a directory?
> Especially on Linux.

FindFirst/Findnext in the sysutils unit works on all platforms.


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