“ok” messages are no longer sent to host, while printing from SD.
M109 no longer sends “ok” messages while waiting for temperatures to change.
FLASH_PrintSettings now reports steps/unit and home offset as floating point values, rather than truncating them to integers.
FLASH_Store_to_SD updated to reflect recent changes to sdcard.c
Block buffer increased to 32 entries, to reduce planning buffer underruns.
Debugging noise removed, to increase planning performance.
Interrupt priority is now configurable.
usb_printf will no longer introduce delays and timeouts if USB is not connected.
Merge pull request #32 from Lodran/USB_Disconnect

Usb disconnect