On Tue, Sep 14, 2010 at 11:41:42AM +0530, Raju Rameshwar Uprade wrote: > > > usb to serial devices are known for sending data in "chunks", that's the > > way the devices work (cheap, tiny, 8bit microcontrollers in the device) > > and they break things up like this all the time. > > > > Greg, > I am able to send data bytes properly.One problem, I am currently facing is to > enable Address parity and Data parity. > > For Address parity we have to give a mark parity ( 0x04 ). > For Data parity we have to give a space parity ( 0x05 ). > I don't know how I can enable parity in pl2303.c. Enable it like you would for any other serial port from userspace using the proper termios bits. good luck, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html