On 2 March 2010 12:52, Mihai Rainer <mi...@remember.ro> wrote: > Hello, > > Is there eny chance to handle the parity bit for serial > port communication? > I am using a 9 bit communication with a device and I need > to control the 9th bit. > I tried synaser. It dows not handle parity for MARK/SPACE. > I have written a procedure to count bits in a byte and > config the port for EVEN/ODD parity acordingly to have the > parity bit as I need. It is working, but, I have to insert > a 2ms delay after each byte sent for settling serial port > on each parity mode change. It is working fine except that > 2ms will trigger the timeout procedure on the serial > equipment. So, I need to control parity bit on the fly. Any > chance to do that without building a serial interface with > a uC?
Read `man termios` (see the CMSPAR, PARENB, PARODD flags). You can probably modify synaser, or just call tcgetattr/tcgetattr yourself (these are in unit termio.pp). Note that this is not supported on all hardware. Henry _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
