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I’m working on an i/o project where I have a microcontroller that communicates with my mac through a serial terminal using the screen command in Terminal.app
For example, to open the connection I type “screen /dev/tty.usbserial-number 115200” and then can type commands/data that are sent to the microcontroller
I would like to write a shell script, applescript, c program, or something simple like that that initiates the connection, sends the number “16” and then closes the connection
Thanks
Why do you need to use ‘screen’? Can’t you just do something like “stty -F 115200 /dev/ttyS0 ; echo ’16’ >/dev/ttyS0” ? Is there something specific about the setup?