diff --git a/Marlin/Conditionals_post.h b/Marlin/Conditionals_post.h index 5f1cf4111c..589ac0a278 100644 --- a/Marlin/Conditionals_post.h +++ b/Marlin/Conditionals_post.h @@ -221,8 +221,12 @@ // MS1 MS2 Stepper Driver Microstepping mode table #define MICROSTEP1 LOW,LOW - #define MICROSTEP2 HIGH,LOW - #define MICROSTEP4 LOW,HIGH + #if ENABLED(HEROIC_STEPPER_DRIVERS) + #define MICROSTEP128 LOW,HIGH + #else + #define MICROSTEP2 HIGH,LOW + #define MICROSTEP4 LOW,HIGH + #endif #define MICROSTEP8 HIGH,HIGH #define MICROSTEP16 HIGH,HIGH diff --git a/Marlin/boards.h b/Marlin/boards.h index 88ef688c08..de6d22bae4 100644 --- a/Marlin/boards.h +++ b/Marlin/boards.h @@ -59,6 +59,7 @@ #define BOARD_BAM_DICE 401 // 2PrintBeta BAM&DICE with STK drivers #define BOARD_BAM_DICE_DUE 402 // 2PrintBeta BAM&DICE Due with STK drivers #define BOARD_MKS_BASE 40 // MKS BASE 1.0 +#define BOARD_MKS_BASE_HEROIC 41 // MKS BASE 1.0 with Heroic HR4982 stepper drivers #define BOARD_MKS_13 47 // MKS v1.3 or 1.4 (maybe higher) #define BOARD_MKS_GEN_L 53 // MKS GEN L #define BOARD_ZRIB_V20 504 // zrib V2.0 control board (Chinese knock off RAMPS replica) diff --git a/Marlin/pins.h b/Marlin/pins.h index bdf0ff5ea7..8e9c25374f 100644 --- a/Marlin/pins.h +++ b/Marlin/pins.h @@ -100,6 +100,8 @@ #include "pins_BAM_DICE_DUE.h" // ATmega1280, ATmega2560 #elif MB(MKS_BASE) #include "pins_MKS_BASE.h" // ATmega1280, ATmega2560 +#elif MB(MKS_BASE_HEROIC) + #include "pins_MKS_BASE_HEROIC.h" // ATmega1280, ATmega2560 #elif MB(MKS_13) #include "pins_MKS_13.h" // ATmega1280, ATmega2560 #elif MB(MKS_GEN_L) diff --git a/Marlin/pins_MKS_BASE.h b/Marlin/pins_MKS_BASE.h index 6c6e11496b..dcf9b90f29 100644 --- a/Marlin/pins_MKS_BASE.h +++ b/Marlin/pins_MKS_BASE.h @@ -32,24 +32,6 @@ #define BOARD_NAME "MKS BASE 1.0" -/* Microstepping pins (reverse engineered at V1.4 - due to closed source schematics) -// Some new batches have the HR4982 (Heroic) instead of the A4982 (Allegro) as stepper driver. While most of the functionality is similar, the HR variant obviously doesn't work with diode smoothers (no fast decay) -// But the Heroic has a 128 µStepping mode where the A4982 is doing quarter steps (MS1=L / MS2=H). To achieve comfortable tests with the M350/M351 commands, the following definitions have to made: -// Example: M350 X4 Y4 ; Set X and Y Axis to quarterstep Mode to achieve MS1=0 and MS2=1 -// A new board with a HR4982 will now perform 128 µSteps per Fullstep -// XSTEP,YSTEP ... must be adapted with M92 accordingly (128/16 => multiply by factor 8). -*/ -#define X_MS1_PIN 5 // Digital 3 / Pin 5 / PE3 -#define X_MS2_PIN 6 // Digital 6 / Pin 14 / PH3 -#define Y_MS1_PIN 59 // Analog 5 / Pin 92 / PF5 -#define Y_MS2_PIN 58 // Analog 4 / Pin 93 / PF4 -#define Z_MS1_PIN 22 // Digital 22 / Pin 78 / PA0 -#define Z_MS2_PIN 39 // Digital 39 / Pin 70 / PG2 -#define E0_MS1_PIN 63 // Analog 9 / Pin 86 / PK1 -#define E0_MS2_PIN 64 // Analog 10 / Pin 87 / PK2 -#define E1_MS1_PIN 57 // Analog 3 / Pin 93 / PF3 -#define E1_MS2_PIN 4 // Digital 4 / Pin 1 / PG5 - // // Heaters / Fans // diff --git a/Marlin/pins_MKS_BASE_HEROIC.h b/Marlin/pins_MKS_BASE_HEROIC.h new file mode 100644 index 0000000000..444d51503c --- /dev/null +++ b/Marlin/pins_MKS_BASE_HEROIC.h @@ -0,0 +1,46 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] + * + * Based on Sprinter and grbl. + * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + */ + +/** + * MKS BASE with Heroic HR4982 stepper drivers + */ + +#include "pins_MKS_BASE.h" + +/** + * Microstepping pins (reverse engineered at V1.4 - due to closed source schematics). + * Some new boards use HR4982 (Heroic) instead of the A4982 (Allegro) stepper drivers. + * While most of the functionality is similar, the HR variant obviously doesn't work + * with diode smoothers (no fast decay). And the Heroic has a 128 µStepping mode where + * the A4982 is doing quarter steps (MS1=L / MS2=H). + */ +#define HEROIC_STEPPER_DRIVERS +#define X_MS1_PIN 5 // Digital 3 / Pin 5 / PE3 / SERVO2_PIN +#define X_MS2_PIN 6 // Digital 6 / Pin 14 / PH3 / SERVO1_PIN +#define Y_MS1_PIN 59 // Analog 5 / Pin 92 / PF5 +#define Y_MS2_PIN 58 // Analog 4 / Pin 93 / PF4 +#define Z_MS1_PIN 22 // Digital 22 / Pin 78 / PA0 +#define Z_MS2_PIN 39 // Digital 39 / Pin 70 / PG2 +#define E0_MS1_PIN 63 // Analog 9 / Pin 86 / PK1 +#define E0_MS2_PIN 64 // Analog 10 / Pin 87 / PK2 +#define E1_MS1_PIN 57 // Analog 3 / Pin 93 / PF3 +#define E1_MS2_PIN 4 // Digital 4 / Pin 1 / PG5 / SERVO3_PIN diff --git a/Marlin/stepper.cpp b/Marlin/stepper.cpp index d60f933254..0723505adc 100644 --- a/Marlin/stepper.cpp +++ b/Marlin/stepper.cpp @@ -1594,10 +1594,15 @@ void Stepper::report_positions() { void Stepper::microstep_mode(const uint8_t driver, const uint8_t stepping_mode) { switch (stepping_mode) { case 1: microstep_ms(driver, MICROSTEP1); break; - case 2: microstep_ms(driver, MICROSTEP2); break; - case 4: microstep_ms(driver, MICROSTEP4); break; + #if ENABLED(HEROIC_STEPPER_DRIVERS) + case 128: microstep_ms(driver, MICROSTEP128); break; + #else + case 2: microstep_ms(driver, MICROSTEP2); break; + case 4: microstep_ms(driver, MICROSTEP4); break; + #endif case 8: microstep_ms(driver, MICROSTEP8); break; case 16: microstep_ms(driver, MICROSTEP16); break; + default: SERIAL_ERROR_START(); SERIAL_ERRORLNPGM("Microsteps unavailable"); break; } }