- * Note: The first serial port (-1 or 0) will always be used by the Arduino bootloader.
- *
- * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
- */
- #define SERIAL_PORT 0
- /**
- * Select a secondary serial port on the board to use for communication with the host.
- * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
- */
- //#define SERIAL_PORT_2 -1
- /**
- * This setting determines the communication speed of the printer.
- *
- * 250000 works in most cases, but you might try a lower speed if
- * you commonly experience drop-outs during host printing.
- * You may try up to 1000000 to speed up SD file transfer.
- *
- * :[2400, 9600, 19200, 38400, 57600, 115200, 250000, 500000, 1000000]
- */