* Support for multiple Max7219 units in a chain
I'll move this support over to bugfix_2.0.0 in the next few days. And
then look at updating the Max7219_idle() routine to make use of multiple
units in a chain.
* spelling correction
The registers within the Max7219 can get corrupted a number of ways. This allows the Max7219 to be reset and fully initialized.
And... it also allows the user to see the initialization pattern.
The timing value should be properly set for ALL boards. The compiler will check and set maximum step rate calculations based on those values.
Co-Authored-By: ejtagle <ejtagle@hotmail.com>
- Respect axis max acceleration limits instead of forcing a fixed acceleration value.
- The `junction_unit_vec` ensures proper handling of entry and exit speeds even when the axes involved have different limits.
This is useful to achieve a higher movement speed on Bowden extruders.
Also add a slow mode before ramping up to the high speed to make loading easier.
This is an initial cut for feedback.
Chamber temperature is currently reported along with hot end and bed
temperatures to serial. The format is just like that used for hot end
and bed temperatures, but using 'C' prefix. As there is no heater,
target is always 0. Is this appropriate, is there a better way to report
chamber temperatures?
Chamber temperatures are not reported on the LCD in any way.
When auto chamber fan is enabled, it currently just uses the same
temperature threshold as the other auto controlled fans.
As the chamber temperature is not connected to any heater, it doesn't
undergo mintemp/maxtemp monitoring. This would need to change in the
future if chamber heating became a feature.
Some users may prefer to hide the position updates on the `LIGHTWEIGHT_UI` altogether. This leads to an even less cluttered display (it also saves on SPI traffic and one byte of RAM).
- This status screen uses the ST7920 character generator to greatly reduce SPI traffic and MCU load when updating the status screen.
- Has been tested with the RepRapDiscount Full Graphics Smart Controller but should work with any LCD that uses an ST7920 or fully compatible controller.
