Redirecting standard output to hardware serial.
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As much as I'd love to install the PanelDue I have no space for it. So I'm researching the option to create my own little LCD with some basic functionality. Nothing fancy. Just a few buttons and displaying the current printer status. I hooked up a prototype to the PanelDue socket and successfully can send G-code commands. The Duet recognises them and executes. However, there is no output from the serial. The line is quiet. I don't seem to be able to find any references on how to redirect the output or get the serial to respond. What am I missing. Is the PanelDue sending some undocumented request to activate the hardware serial?
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You need to send M408 commands regularly to the PanelDue port to get responses.
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Yep! Got some activity. I Can start working on the JSON response now. Thank you.
