Very simple way to send a gcode file on the command line to a printer/cnc
machine that uses the common ok and error feedback lines after each
block as 'flow control'.
It sends gcode line-by-line, removing CRLF line-endings and just sends LF
(otherwise Grbl gets confused). Waits for the acknowledging ok before sending
the next line; provides a simple continue/stop user interaction when it
encounters an error-response.
The tool removes ;-based end-of-line comments and empty lines.
No claim to be complete, just useful for my local Marlin-based 3D printers and Grbl-based CNC as well as various machines I run with BeagleG.
usage:
./gcode-cli <gcode-file> [connection-string]
Connection string is either a path to a tty device or host:port
* Serial connection
A path to the device name with an optional bit-rate
separated with a comma.
Examples of valid connection strings:
/dev/ttyACM0
/dev/ttyACM0,b115200
notice the 'b' prefix for the bit-rate.
Available bit-rates are one of [b9600, b19200, b38400, b57600, b115200, b230400, b460800]
* TCP connection
For devices that receive gcode via tcp (e.g. http://beagleg.org/)
you specify the connection string as host:port. Example:
localhost:4444
Examples:
./gcode-cli file.gcode /dev/ttyACM0,b115200
./gcode-cli file.gcode localhost:4444