Added I parameter in M280 command
Added diagnostic test (M122 S101) for SX1509B chip on Duet WiFi
expansion boards
Heaters driven from TC channels on Duet WiFi no longer glitch on for a
short while after reset
Bug fix: M280 S-1 was ignoring inverted output status
Bug fix: if there were too many files in the /gcodes folder then AJAX
errors occurred (thanks chrishamm)
Fixed some issues with new PID control
Generate a warning message if the gain from auto tuning or in a M207
command is dangerously high
Don't escape forward slash in json responses because PanelFue doesn't
like it
Add support for second SD card on SPI bus for Duet WiFi including
implementation of M21 and M22
New temperature monitoring
Increased PWM resolution
When uploading files to wifi module, skip empty blocks
Revised TMC driver in preparation for standstill current reduction
Fixed PrintMonitor bug when the slicer comment includes a '\' character
Further optimisation of step generation ISR
Don't allow more than half the capacity of the DDA queue to be frozen
Duet WiFi: print additional info from WiFi module
Added support for M581 and M582 commands
M25 pause command can now be used inside a macro file to pause a file
being printed from SD card
Firmware update messages are now sent to USB and PanelDue (but the
existing PanelDue firmware doesn't display them)
Added gcode queue underrun counter, displayed in M122 Move diagnostic
info
M122 responses are now sent only to the comms channel that requested
them
Added support for additional firmware modules to be updated for Duet NG
Corrected a possible problem with multiple incompatible gcodes being
executed concurrently
Support H parameter on M0 and M1 commands
When executing M0/M1 commands and no print is paused, execute
stop.g/sleep.g if they exist
Treat M25 within the file being printed the same as M226
Added additional simulation modes to help identify bottlenecks
Don't disable all interrupts when starting a new move, to reduce
interrupt latency so that we can still receive data from PanelDue
Moved some utility maths functions to CoreNG
