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Integrate BABYSTEPPING into the stepper ISR #16829

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thinkyhead
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Description

This PR adds an option to move the call to babystep.task out of the Temperature ISR, where timing control is not easily possible, and into the Stepper ISR scheduler, so that we can address TMC drivers that respond to babystepping with a standstill shutdown.

  • The first step is to get the function working in the same manner as it does currently.
  • The next step is to add a buffering interval so that the added STEP pulses always occur at some minimum interval from regular steps (in order to prevent the TMC StandStill error from being thrown).
  • For boards that can handle the extra processing, I will attempt to add more logic to this feature to intentionally skip steps at regular intervals instead of reversing the stepper direction when babysteps oppose the current direction of motion, at which point babystepping will be wholly integrated into the stepper class.

Benefits

  • The Temperature ISR no longer has to call the babystep task
  • The Stepper ISR is not blocked from outside
  • The babystepping_isr is scheduled from Stepper::isr

@thinkyhead thinkyhead force-pushed the bf2_baby_stepper_ing_PR branch 3 times, most recently from 0009e78 to 594a57a Compare February 11, 2020 08:30
@thinkyhead thinkyhead force-pushed the bf2_baby_stepper_ing_PR branch 2 times, most recently from a384772 to 61cef22 Compare February 11, 2020 16:08
@Roxy-3D
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Roxy-3D commented Feb 11, 2020

I'm glad to see this happening. It is understandable why the Baby Stepping originally got inserted into the Temperature Control logic (and interrupt handler). But really... It doesn't belong there.

This is a much needed clean up!

@thinkyhead thinkyhead force-pushed the bf2_baby_stepper_ing_PR branch from adba6f3 to fefdbed Compare February 16, 2020 02:33
@thinkyhead thinkyhead merged commit 64a81f8 into MarlinFirmware:bugfix-2.0.x Feb 16, 2020
@thinkyhead thinkyhead deleted the bf2_baby_stepper_ing_PR branch February 16, 2020 03:42
@sirtheta
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sirtheta commented Feb 16, 2020

I just pulled this morning and when I activate #define INTEGRATED_BABYSTEPPING I cant compile anymore. I get the following errors:

Marlin\src\module\stepper.cpp: In static member function 'static void Stepper::isr()':
Marlin\src\module\stepper.cpp:1376:30: error: 'BABYSTEP_TICKS' was not declared in this scope
         NOLESS(nextMainISR, (BABYSTEP_TICKS) / 8)       // FULL STOP for 125µs after a baby-step
                              ^
Marlin\src\module\stepper.cpp:1401:20: error: 'interval' was not declared in this scope
     nextMainISR -= interval;
                    ^
Marlin\src\module\stepper.cpp: In static member function 'static uint32_t Stepper::babystepping_isr()':
Marlin\src\module\stepper.cpp:2074:14: error: request for member 'task' in 'Stepper::babystep', which is of non-class type 'void(AxisEnum, bool)'
     babystep.task();
              ^
Marlin\src\module\stepper.cpp:2075:21: error: request for member 'has_steps' in 'Stepper::babystep', which is of non-class type 'void(AxisEnum, bool)'
     return babystep.has_steps() ? BABYSTEP_TICKS : BABYSTEP_NEVER;
                     ^
Marlin\src\module\stepper.cpp:2075:35: error: 'BABYSTEP_TICKS' was not declared in this scope
     return babystep.has_steps() ? BABYSTEP_TICKS : BABYSTEP_NEVER;

@Strahler85
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Strahler85 commented Feb 16, 2020

SKR 1.3 I have the same compile error. Could it be, that babysteps are broken now?

@thinkyhead
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It is building fine for me.

@sirtheta
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Now its working. Thanks

StJa added a commit to StJa/Marlin that referenced this pull request Mar 9, 2020
* Add sanity-check for new Advanced Pause option

Followup to MarlinFirmware#16372

* Include macros for delta ABC

* Update Russian language (MarlinFirmware#16745)

* Fix BTT SKR 1.4 extra endstop pins (MarlinFirmware#16738)

* Option for Trigorilla 1.4 with add-on endstops board (MarlinFirmware#16737)

* Consistent M112 with Emergency Parser (MarlinFirmware#16747)

* Improve mfadd helper script

- Use the original branch name if none is supplied
- Set the remote tracking to the source
- Accept User/Branch or User:Branch syntax

* Clean up i2c encoder, sanitize serial

* Misc cleanup, whitespace

* Encapsulate probe as singleton class (MarlinFirmware#16751)

* G34 automatic point assignment (MarlinFirmware#16473)

* Fix Temperature::over_autostart_threshold (MarlinFirmware#16749)

* Update Russian language (MarlinFirmware#16750)

* Fix CURRENT_STEP_DOWN compile error

* Drop obsolete SD special char handling

See MarlinFirmware#14035

* Probe singleton patch

Followup to MarlinFirmware#16751

* Fix RGB / Neopixel white color bug

See MarlinFirmware#16752

* Suppress a compile warning

* More 8-extruder fixups

* Add EXP labels to SKR pins

* Fix LPC build with USE_WATCHDOG off

* Minor string storage optimization

* Apply REPEAT, RREPEAT, and loop macros (MarlinFirmware#16757)

* Revert breaking change to _FAN_PWM macro

* Add Z_AFTER_HOMING to raise Z more in G28 (MarlinFirmware#16755)

* Corner Leveling: Add inset for each side (MarlinFirmware#16759)

* (c) 2020

* Tweak mfqp script

* Use a different Configurations branch for CI

* Fix LCD Z Move character LCD display line (MarlinFirmware#16772)

* Fix warning for ESP32 (MarlinFirmware#16771)

* [cron] Bump distribution date

* Force T0 in UBL G29 on all multi-hotend setups (MarlinFirmware#16774)

* Keep secure credentials in a separate config file (MarlinFirmware#16773)

* STM32duino - Use SDIO for onboard SD (MarlinFirmware#16756)

* Fix E stepper stays on bug

Fixes MarlinFirmware#16753

* Fix Arduino IDE compile for DUE

Fixes MarlinFirmware#16767

* Fix CALIBRATION_GCODE pin handling

* Upgrade an ifdef

* More updates for 8 extruders, REPEAT

* [cron] Bump distribution date (2020-02-05)

* Add MKS Base 1.6 board (MarlinFirmware#16783)

* Direct download link for configs

* [cron] Bump distribution date (2020-02-06)

* Split up MKS_RUMBA32 into two variants (MarlinFirmware#16781)

* G26: Allow to set retraction for UBL mesh test (MarlinFirmware#16511)

* Remove extraneous Serial init (MarlinFirmware#16794)

* Fix probe with multi-endstops (MarlinFirmware#16793)

* [cron] Bump distribution date (2020-02-07)

* [cron] Bump distribution date (2020-02-08)

* Clean up Makefle indentation

* Add .editorconfig file

* Tweak ABL logging, document probing

* [cron] Bump distribution date (2020-02-09)

* Coolstep for TMC2130, 2209, 5130, 5160 (MarlinFirmware#16790)

* Better probe fail handling (MarlinFirmware#16811)

* Adafruit Grand Central M4 fixes (MarlinFirmware#16812)

* Minor HAL cleanup

* Move MSG_MARLIN

* Show print time with PRINTER_EVENT_LEDS

* Tweak parser warning

* Bump config version to 020004 (MarlinFirmware#16816)

* Add PID, probe offsets to ExtUI (MarlinFirmware#16792)

* [cron] Bump distribution date (2020-02-10)

* Tweak LPC1768 upload py script

* Add mftest -b (auto-build) and -u (upload)

- Implement the equivalent of auto-build for the shell environment by using the MOTHERBOARD setting to look up the env: entries.

* Revert change to AXIS_DRIVER_TYPE_X2

- Revisit this to figure out why it breaks

* Revert "Coolstep for TMC2130, 2209, 5130, 5160"

Reverting MarlinFirmware#16790 as not ready for primetime.

* Add a caution to drivers.h

* Update MKS BASE and v1.6 pins (MarlinFirmware#16806)

* Add g-code quoted strings, improve stream code (MarlinFirmware#16818)

* Fix out-of-order M0 after SD printing

Fixes MarlinFirmware#14774

Co-Authored-By: tol2cj <[email protected]>

* Fix out-of-order M0 after SD printing

Fixes MarlinFirmware#14774

Co-Authored-By: tol2cj <[email protected]>

* Enable hotend / bed PID separately in ExtUI (MarlinFirmware#16827)

* Fix MKS Robin Nano platformio.ini entry (MarlinFirmware#16826)

* Unify step pulse timing of ISR / babystep (MarlinFirmware#16813)

* [cron] Bump distribution date (2020-02-11)

* Update SAMD51 EEPROM repo link (MarlinFirmware#16832)

* Undo driver type auto-assignment for now

Good general concept but needs more time to develop and group with a stepper suite.

* No Z sensorless req'd if homing with probe

Fixes MarlinFirmware#16674

* Recommend Z Safe Homing

Co-Authored-By: Vertabreaker <[email protected]>

* Use prior babystep delay method (MarlinFirmware#16833)

* Function-style critical section macros

* Fix up tests

* Simplify old safe homing sanity check

* Prevent pin glitches on out commutation (MarlinFirmware#16835)

Better for switching from pulled input to output and also set real output (with no input enabled).

* [cron] Bump distribution date (2020-02-12)

* Define MarlinSerial instances for DGUS (MarlinFirmware#16841)

* No limit needed on this raise

Remove an extraneous limit from MarlinFirmware#16811.

* [cron] Bump distribution date (2020-02-13)

* [cron] Bump distribution date (2020-02-14)

* Fix G-code line parsing (MarlinFirmware#16840)

* Ping the job timer in M140 (MarlinFirmware#16849)

* Remove unused queue.stopped_N (MarlinFirmware#16850)

* Don't assert safe homing for delta/scara

* Fix ESP32 warning, specify supported version

* Add ESPAsyncTCP to lib_ignore (MarlinFirmware#16844)

* Add RAMPS 1.4.4 to AGCM4 (MarlinFirmware#16606)

* Clean up host actions code (MarlinFirmware#16856)

* Optimize "Dismiss" string

* Clean up stepper and babystep (MarlinFirmware#16857)

* Fysetc S6 pins / LCD updates (MarlinFirmware#16830)

* [cron] Bump distribution date (2020-02-15)

* Fix mftest -b and -u. Add --help.

* Fix a BORG compile warning

* Fix byte-to-percent display

Fixes MarlinFirmware#16866

* Conceal float rounding errors on display

Fix MarlinFirmware#16866

* [cron] Bump distribution date (2020-02-16)

* Double ADC read frequency (MarlinFirmware#16864)

* EXPERIMENTAL integrated BABYSTEPPING (MarlinFirmware#16829)

* Show '*' for zero 'stst' flag

* Require TMCStepper 0.6.2

* Defer updated ADC

* Move SAMD51 Temperature timer to RTC (MarlinFirmware#16868)

* Fix unknown command on empty lines (MarlinFirmware#16867)

* Fix mftest -b -u line match

* Update French language (MarlinFirmware#16877)

* Put ESP32 I2S stepper task and Marlin on the same core (MarlinFirmware#16874)

* Fix babystep include, typos in stepper.cpp

Fix MarlinFirmware#16881

* [cron] Bump distribution date (2020-02-17)

* [cron] Bump distribution date (2020-02-18)

* [cron] Bump distribution date (2020-02-19)

* [cron] Bump distribution date (2020-02-20)

* Serial redirect for Move Command when stopping (MarlinFirmware#16906)

* [cron] Bump distribution date (2020-02-21)

* Single envs for specific boards

* Inline manage_inactivity, tweak autoreport_paused

* Function for CONFIG_ECHO_HEADING

* Show end prompt with Print Event LEDs

* Add a note on EEPROM todo

* Tweak process_line_done for speed

* More EEPROM cleanup

* Followup to autoreport patch (MarlinFirmware#16914)

See a1f026f

* Disable spreadcycle in tmc_enable_stallguard<2209> (MarlinFirmware#16890)

* Fix EEPROM errors with EXTRUDERS == 0 (MarlinFirmware#16898)

* Add PICA shields support (MarlinFirmware#16891)

* Tweak pins spacing, comments

* Version 2.0.4 Release

* [cron] Bump distribution date (2020-02-22)

* Use moves_free in ok_to_send

* Hotfix for Babystepping

* CoreXY Babystepping hotfix

* Use moves_free in ok_to_send

* [cron] Bump distribution date (2020-02-22)

* Hotfix for Babystepping

* [ESP32] Allow user to define pins for hardware Serial1 and Serial2 (MarlinFirmware#16918)

* CoreXY Babystepping hotfix

* Version 2.0.4.1 Release

* [cron] Bump distribution date (2020-02-23)

* Finish Custom User Menu sanity-check (MarlinFirmware#16917)

* Followup to babystep hotfix

* Fix M0/M1 broken wait loop (MarlinFirmware#16921)

* Define ANET_FULL_GRAPHICS_LCD pins for SKR 1.4 (MarlinFirmware#16928)

* Version 2.0.4.2 Release

* Suppress "packed member" warning

* Suppress "packed member" warning

* Commit last SD line before fileHasFinished

* Allow LCD_PIXEL_WIDTH/HEIGHT override

* Allow USE_GCODE_SUBCODES for debugging

* Sync Italian language (MarlinFirmware#16935)

* Reduce default TMC baudrate to 57600 with Software Serial (MarlinFirmware#16930)

* [cron] Bump distribution date (2020-02-24)

* Fix AXIS_HAS_SW_SERIAL

* Simplified E_AXIS_HAS macro

* "Init. Media" => "Attach Media"

* Fix Babystepping loop (again)

* BS_TOTAL_AXIS => BS_TOTAL_IND

* Allow Z_SAFE_HOMING_POINT outside bed (MarlinFirmware#16945)

* Restore tabs in Makefile (MarlinFirmware#16944)

* Fix card_eof error

* Version 2.0.4.3 Release

* Allow Z_SAFE_HOMING_POINT outside bed (MarlinFirmware#16945)

* Restore tabs in Makefile (MarlinFirmware#16944)

* Fix card_eof error

* [cron] Bump distribution date (2020-02-25)

* Update POWER_LOSS_PIN comment (MarlinFirmware#16957)

* Update Italian language (MarlinFirmware#16947)

* Fix LCD cutter/bed icons overlapping (MarlinFirmware#16956)

* Fix SKR 1.4 Turbo SD_DETECT_PIN (MarlinFirmware#16955)

* Fix the wait loop in M0 / M1

* [cron] Bump distribution date (2020-02-26)

* Ensure proper SD print completion (MarlinFirmware#16967)

* HAS_SDCARD_CONNECTION is more obsolete

* Fix GTR10 overlapping defines (MarlinFirmware#16976)

* Toolchange improvements (MarlinFirmware#16979)

* Language: "failsafe" => "Defaults"

* Use a STR_ prefix for non-translated strings

* Set LCD status for EEPROM errors (MarlinFirmware#16977)

* More serial strings

* Add LPC1768 Serial ports for pinsDebug (MarlinFirmware#16980)

* Correct SKR expansion port pins (MarlinFirmware#16974)

* String optimize followup

* Fix Trinamic pulse rate auto-assignment (MarlinFirmware#16966)

* Allow weird probe values in G33

* Serial strings in macros

* Sanity check for LPC serial pin conflict (MarlinFirmware#16981)

* Allow servo features in combination (MarlinFirmware#16960)

* Add TRAVEL_EXTRA_XYJERK option

See MarlinFirmware#16949

Co-Authored-By: josedpedroso <[email protected]>

* Quick-homing sensorless back-off (MarlinFirmware#16872)

* Prevent park_point compile error

* More extra travel jerk changes

Co-Authored-By: josedpedroso <[email protected]>

* Fix unified status bed temp display

* Allow print recovery after parking

* Case-insensitive g-code option (MarlinFirmware#16932)

* Define DIAG pins for MKS SGen-L

* Handle print completed LED event in M0

* [cron] Bump distribution date (2020-02-27)

* Fix planner.cpp compile (MarlinFirmware#16996)

* Update Slovak language (MarlinFirmware#17002)

* Version 2.0.4.4 Release

Co-authored-by: Scott Lahteine <[email protected]>
Co-authored-by: Acenotass <[email protected]>
Co-authored-by: rebel1 <[email protected]>
Co-authored-by: Jason Smith <[email protected]>
Co-authored-by: Scott Lahteine <[email protected]>
Co-authored-by: InsanityAutomation <[email protected]>
Co-authored-by: ellensp <[email protected]>
Co-authored-by: felixstorm <[email protected]>
Co-authored-by: Bob Kuhn <[email protected]>
Co-authored-by: thisiskeithb <[email protected]>
Co-authored-by: Tanguy Pruvot <[email protected]>
Co-authored-by: Robby Candra <[email protected]>
Co-authored-by: Robert Stein <[email protected]>
Co-authored-by: Fabio Santos <[email protected]>
Co-authored-by: Giuliano Zaro <[email protected]>
Co-authored-by: Daniel Mazurkiewicz <[email protected]>
Co-authored-by: tol2cj <[email protected]>
Co-authored-by: proferabg <[email protected]>
Co-authored-by: darksiah <[email protected]>
Co-authored-by: Vertabreaker <[email protected]>
Co-authored-by: Gaston Dombiak <[email protected]>
Co-authored-by: vivian-ng <[email protected]>
Co-authored-by: George Fu <[email protected]>
Co-authored-by: Karl Andersson <[email protected]>
Co-authored-by: Jamie <[email protected]>
Co-authored-by: ZMiguel Alves <[email protected]>
Co-authored-by: Marcio T <[email protected]>
Co-authored-by: josedpedroso <[email protected]>
Co-authored-by: Makoto Schoppert <[email protected]>
Co-authored-by: Roman Moravčík <[email protected]>
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4 participants