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The main use of minicom during its heyday was for talking to modems which understood the Hayes command set (AT commands). AT commands are terminated by carriage return. It was convenient to be able to type ATDT5550123 Enter and have the correct command terminator sent to the modem.


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You don't need to modify the kernel, and you can automate it. Add the following single line to /etc/udev/rules.d/99-ftdi.rules ACTION=="add", ATTRS{idVendor}=="0403", ATTRS{idProduct}=="6001", RUN+="/sbin/modprobe ftdi_sio" RUN+="/bin/sh -c 'echo 0403 6001 > /sys/bus/usb-serial/drivers/ftdi_sio/new_id'" Either reboot or run 'sudo udevadm control ...


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I guess you're using KDE. You need to use the kdesu command instead of the sudo for programs that are using X.


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You can use a programming language to open a socket and roll-your-own library, using the modbus spec. Otherwise you can use an existing library, I have no experience with any of them, but this looked promising: http://libmodbus.org/documentation/



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