![]() Firmware compiled with Arduino versions before 1.0 even allow 127 bytes. If you are unsure on the printer buffer size select 63, which works on all printers. So if you disable the ping-pong mode, the host will send up to “Receive cache size” bytes, before it waits for the ok, telling him that the command is processed. As long as you are sending not more then the size of the buffer, you can send more then one command if they fit into the buffer. To improve speed, you can allow the host to send more then one command at once. This causes latencies, which can result in empty buffers if you have many small moves. The host send a command and waits for the firmware to return an ok. The method that was planned with the first firmwares works like ping-pong. The next decision is, how to send data to the firmware. For all other firmwares, the ASCII communication is used. You can leave this on “Auto detect”, which will automatically switch to binary format if Repetier-Firmware is detected. ![]()
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