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RepRapFirmware 3.0RC1
=====================
Recommended compatible firmware:
- Duet Web Control 2.0.4
- DuetWiFiServer 1.23
- DuetSoftwareFramework 1.1.0.5
Feature changes since beta 12:
- Duet 3 only: Switch-type endstops connected to expansion boards are supported (needs recent expansion board firmware too)
- Current position is no longer shown for pulse-type filament monitors, because it was meaningless and nearly always zero
- Calibration data for pulse-type filament monitors is no longer displayed by M122 (same as for laser and magnetic filament monitors). Use M591 to report the calibration data.
- Max bed heaters increased to 9 on Duet 3, 2 on Duet Meastro (still 4 on Duet WiFi/Ethernet)
- Max chamber heaters increased to 4 on Duet 3 and on Duet WiFi/Ethernet
- CRC calculation has been speeded up, which improves the speed of file uploads in standalone mode when CRC checking is enabled in DWC
- G1 H1 E moves (stopping on motor stall) are now implemented
- rr_config and M408 S5 responses now include field "sysdir" which is the system files folder set using M505
- M950 P, M950 S, M42 and M280 are implemented on expansion boards
- B parameter added to M408 to query expansion boards (for expansion board ATE)
- M122 P parameter is passed to the expansion board if the B parameter is present and selects an expansion board (for ATE)
Bug fixes:
- Duet 3 only: Files uploaded in standalone modes were frequently corruption during uploading, resulting in CRC mismatches reported
- The M574 S0 parameter was teated the same as S2 (i.e. triggered when input high) except on endstop inputs connected to Duet 3 expansion boards
- If a print that was sliced using absolute extrusion mode was resurrected, unwanted extrusion occurred just before the print was resumed
- Bed compensation did not take account of the XY offset of the printing nozzle from the head reference point
- When using SCARA kinematics the calculation of the minimum achievable radius was incorrect. Depending on the B parameter of the M667 command, this could result in spurious "Intermediate position unreachable" errors, or non-extruding G1 moves being turned into G0 moves.
- A badly-formed GCode file that returned the layer height or object height as nan or inf caused DWC to disconnect because of a JSON parse failure
- M579 scale factors were not applied correctly to G2 and G3 arc moves
- M119 crashed if an axis had no endstop
RepRapFirmware 3.0beta12
========================
Recommended compatible firmware:
- Duet Web Control 2.0.4
- DuetWiFiServer 1.23
- DuetSoftwareFramework 1.1.0.5
Feature changes since beta 11:
- Duet 3 0.6 and 1.0: pin io8.out is no longer PWM-capable because of a resource clash. If you have connected a BLTouch to IO8, please move it to IO7 and adjust config.g accordingly.
- Duet 3 all revisions: improved the temperature reading accuracy at low temperatures for thermistors connected to the main board (typically it used to read several degrees low)
- Duet 3 all revisions: M308 L and H parameters are supported for thermistors and PT1000 sensors connected to the main board. They should only be used if you have suitable fixed resistors to use for calibration.
- DHT sensors are now supported (thanks wilriker)
- M115 P parameter is now only implemented on those builds that support multiple board types, and only when running config.g at startup
- M500 now accepts optional P10 parameter to force it to save the G10 tool offsets (thanks wilriker). It can be combined with P31 by using M500 P10:31.
Bug fixes:
- Duet 3 0.6 and 1.0: PWM output on io4.out and io5.out now works
- Duet 3 0.6 and 1.0: pin io6.out was incorrectly marked as PWM-capable
- Duet 3 all revisions: Driver 5 on main board didn't generate temperature warnings
- Duet 3 all revisions: updating expansion boards didn't work when running in standalone mode if the USB port was connected to a PC but no terminal emulator was running
- Duet 3 all revisions: the drivers are no longer shut down when VIN exceeds 29V
- In beta 11, control of BLTouch probes was unreliable because of glitches on the control output pin
- Homing sometimes didn't work, especially when endstops switches were already triggered at the start of the homing move
- M308 S# with no other parameters didn't report the sensor details
Known issues:
- Duet 3 all revisions: file uploading via the local Ethernet port is unreliable (this is the case in previous firmware versions too). To guard against this, always enable CRC checking in DWC 2.0.4.
- Extruder stall detection (G1 H1 E moves) is not implemented
- Stall detection endstops don't work properly if you home multiple aes at the same time
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