Re: file descriptor of a serial port

[jan.de.kruyf@gmail.com]

On Monday, August 20, 2018 at 4:58:27 PM UTC+2, joak...@kth.se wrote:
> Den måndag 20 augusti 2018 kl. 16:33:15 UTC+2 skrev jan.de...@gmail.com:
> > On Monday, August 20, 2018 at 4:21:20 PM UTC+2, J-P. Rosen wrote:
> > > Le 20/08/2018 à 15:56, jan.....com a écrit :
> > > > Hallo,
> > > > 
> > > > I try to set up a custom baudrate on a serial port, which I believe
> > > > is done with the C ioctl procedure.
> > > > 
> > > GNAT.Serial_Communications has a Set procedure to set various
> > > parameters, including baud rate. No need to play with the low level.
> > > 
> > > -- 
> > > J-P. Rosen
> > > Adalog
> > > 2 rue du Docteur Lombard, 92441 Issy-les-Moulineaux CEDEX
> > > Tel: +33 1 45 29 21 52, Fax: +33 1 45 29 25 00
> > > http://www.adalog.fr
> > 
> > 
> > Thanks J-P but:
> > 
> > Pity, does not work.
> > 
> > type Data_Rate is
> >      (B75, B110, B150, B300, B600, B1200, B2400, B4800, B9600,
> >       B19200, B38400, B57600, B115200);
> > 
> > procedure Set
> >      (Port      : Serial_Port;
> >       Rate      : Data_Rate        := B9600;
> >       Bits      : Data_Bits        := CS8;
> >       Stop_Bits : Stop_Bits_Number := One;
> >       Parity    : Parity_Check     := None;
> >       Block     : Boolean          := True;
> >       Local     : Boolean          := True;
> >       Flow      : Flow_Control     := None;
> >       Timeout   : Duration         := 10.0);
> > 
> > 
> > I quit desperately need B100_000 to cure someone else's mess.
> > 
> > j.
> 
> Hallo Jan,
> 
> You could try to copy-paste the contents of GNAT.Serial_Communications into a package of your own choice and then make changes to the code as you wish, for example adding a function that gives access to the file descriptor or adding your own enumeration value B100_000 to the Data_Rate type.
> 
> Best regards,
> Joakim

Yes Joakim,
I have done that for the test harness, but I tried to keep away from it as it does not make very nice code.

Thanks,

j.