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(similar to hyperterminal in Windows, you might be familiar).Īn intermediate solution, would use a terminal program like screen which will work on a serial device.We have a Discord! Join the Discord! Click here for the invite. Minicom it is just a program which does everything I've mentioned so far. This might be enough for you to script something and log ? Not sure what you are trying to achieve.įor a more interactive, remembers your default settings approach would be to use Do this first, enable whatever settings you think correct in the TV for the iPhone app, use the iPhone app, try and turn it on, if that doesnt work, just stop there, I think the TV only supports commands once its on, damn energy settings turn the NIC off when the tv is off. !! NOTE stty will use stdin as default file descriptor to affect.Įquivalent commands. If everything is gibberish, then baud rate, bit settings might need setting before you start sending. You can have cat running in one terminal, and echo in a 2nd. chmod o+rw /dev/ttyS1Ī very simple crude method to write to the file, would use the simple echo command. You will want read.write access, if this is a shared system then you should consider the security consequences of opening it up for everyone. įirst have a look at the permissions on that file, lets assume you are using /dev/ttyS1. I think the serialport is configured correctly.

The application send a simple echo over the commandline to a serialport. I have a web application running on an Raspberry Pi Server (Debian). All devices on Unix are mapped to a device file, the serial ports would be /dev/ttyS0 /dev/ttyS1. 1 This question already has answers here : How to send data to a serial port and see any answer (5 answers) Closed 5 years ago.

Samsung rs232 echos command