✨ BTT Octopus Max EZ V1.0 (STM32H723VE/ZE), SKR V3.0 / V3.0 EZ (STM32H723VG)

Marlin/src/HAL/STM32/HAL.h

@@ -138,7 +138,7 @@
 
 typedef double isr_float_t;   // FPU ops are used for single-precision, so use double for ISRs.
 
-#ifdef STM32G0B1xx
+#if defined(STM32G0B1xx) || defined(STM32H7xx)
   typedef int32_t pin_t;
 #else
   typedef int16_t pin_t;

Marlin/src/HAL/STM32/HAL_SPI.cpp

@@ -78,7 +78,6 @@ static SPISettings spiConfig;
       case SPI_SPEED_6:      delaySPIFunc = &delaySPI_2000; break;  // desired:   250,000  actual: ~210K
       default:               delaySPIFunc = &delaySPI_4000; break;  // desired:   125,000  actual: ~123K
     }
-    SPI.begin();
   }
 
   // Begin SPI transaction, set clock, bit order, data mode

Marlin/src/core/boards.h

@@ -452,6 +452,7 @@
 #define BOARD_BTT_SKR_SE_BX_V3        6005  // BigTreeTech SKR SE BX V3.0 (STM32H743II)
 #define BOARD_BTT_SKR_V3_0            6006  // BigTreeTech SKR V3.0 (STM32H743VG)
 #define BOARD_BTT_SKR_V3_0_EZ         6007  // BigTreeTech SKR V3.0 EZ (STM32H743VG)
+#define BOARD_BTT_OCTOPUS_MAX_EZ_V1_0 6008  // BigTreeTech Octopus Max EZ V1.0 (STM32H723VE / STM32H723ZE)
 
 //
 // Espressif ESP32 WiFi

Marlin/src/pins/pins.h

@@ -666,11 +666,11 @@
 #elif MB(BTT_SKR_V2_0_REV_B)
   #include "stm32f4/pins_BTT_SKR_V2_0_REV_B.h"  // STM32F4                                env:BIGTREE_SKR_2 env:BIGTREE_SKR_2_USB env:BIGTREE_SKR_2_USB_debug env:BIGTREE_SKR_2_F429 env:BIGTREE_SKR_2_F429_USB env:BIGTREE_SKR_2_F429_USB_debug
 #elif MB(BTT_OCTOPUS_V1_0)
-  #include "stm32f4/pins_BTT_OCTOPUS_V1_0.h"    // STM32F4                                env:BIGTREE_OCTOPUS_V1 env:BIGTREE_OCTOPUS_V1_USB
+  #include "stm32f4/pins_BTT_OCTOPUS_V1_0.h"    // STM32F4                                env:STM32F446ZE_btt env:STM32F446ZE_btt_USB
 #elif MB(BTT_OCTOPUS_V1_1)
-  #include "stm32f4/pins_BTT_OCTOPUS_V1_1.h"    // STM32F4                                env:BIGTREE_OCTOPUS_V1 env:BIGTREE_OCTOPUS_V1_USB env:BIGTREE_OCTOPUS_V1_F407 env:BIGTREE_OCTOPUS_V1_F407_USB
+  #include "stm32f4/pins_BTT_OCTOPUS_V1_1.h"    // STM32F4                                env:STM32F446ZE_btt env:STM32F446ZE_btt_USB env:STM32F429ZG_btt env:STM32F429ZG_btt_USB env:STM32F407ZE_btt env:STM32F407ZE_btt_USB
 #elif MB(BTT_OCTOPUS_PRO_V1_0)
-  #include "stm32f4/pins_BTT_OCTOPUS_PRO_V1_0.h" // STM32F4                               env:BIGTREE_OCTOPUS_V1 env:BIGTREE_OCTOPUS_V1_USB env:BIGTREE_OCTOPUS_PRO_V1_F429 env:BIGTREE_OCTOPUS_PRO_V1_F429_USB
+  #include "stm32f4/pins_BTT_OCTOPUS_PRO_V1_0.h" // STM32F4                               env:STM32F446ZE_btt env:STM32F446ZE_btt_USB env:STM32F429ZG_btt env:STM32F429ZG_btt_USB env:STM32H723Zx_btt
 #elif MB(LERDGE_K)
   #include "stm32f4/pins_LERDGE_K.h"            // STM32F4                                env:LERDGEK env:LERDGEK_usb_flash_drive
 #elif MB(LERDGE_S)
@@ -741,9 +741,11 @@
 #elif MB(BTT_SKR_SE_BX_V3)
   #include "stm32h7/pins_BTT_SKR_SE_BX_V3.h"    // STM32H7                                env:BTT_SKR_SE_BX
 #elif MB(BTT_SKR_V3_0)
-  #include "stm32h7/pins_BTT_SKR_V3_0.h"        // STM32H7                                env:STM32H743Vx_btt
+  #include "stm32h7/pins_BTT_SKR_V3_0.h"        // STM32H7                                env:STM32H723Vx_btt env:STM32H743Vx_btt
 #elif MB(BTT_SKR_V3_0_EZ)
-  #include "stm32h7/pins_BTT_SKR_V3_0_EZ.h"     // STM32H7                                env:STM32H743Vx_btt
+  #include "stm32h7/pins_BTT_SKR_V3_0_EZ.h"     // STM32H7                                env:STM32H723Vx_btt env:STM32H743Vx_btt
+#elif MB(BTT_OCTOPUS_MAX_EZ_V1_0)
+  #include "stm32h7/pins_BTT_OCTOPUS_MAX_EZ.h"  // STM32H7                                env:STM32H723Vx_btt env:STM32H723Zx_btt
 #elif MB(TEENSY41)
   #include "teensy4/pins_TEENSY41.h"            // Teensy-4.x                             env:teensy41
 #elif MB(T41U5XBB)

Marlin/src/pins/pins_postprocess.h

@@ -487,6 +487,11 @@
   #define NUM_SERVO_PLUGS 4
 #endif
 
+// Only used within pins files
+#undef NEEDS_X_MINMAX
+#undef NEEDS_Y_MINMAX
+#undef NEEDS_Z_MINMAX
+
 //
 // Assign endstop pins for boards with only 3 connectors
 //

Marlin/src/pins/stm32f4/pins_BTT_OCTOPUS_V1_common.h

@@ -27,13 +27,17 @@
 #define USES_DIAG_JUMPERS
 
 // Onboard I2C EEPROM
-#define I2C_EEPROM
-#define MARLIN_EEPROM_SIZE                0x1000  // 4K (AT24C32)
-#define I2C_SCL_PIN                         PB8
-#define I2C_SDA_PIN                         PB9
+#if EITHER(NO_EEPROM_SELECTED, I2C_EEPROM)
+  #undef NO_EEPROM_SELECTED
+  #define I2C_EEPROM
+  #define MARLIN_EEPROM_SIZE              0x1000  // 4K (AT24C32)
+  #define SOFT_I2C_EEPROM                         // Force the use of Software I2C
+  #define I2C_SCL_PIN                       PB8
+  #define I2C_SDA_PIN                       PB9
+#endif
 
 // Avoid conflict with TIMER_TONE
-#define STEP_TIMER 10
+#define STEP_TIMER 8
 
 //
 // Servos
@@ -70,13 +74,13 @@
 #if HAS_EXTRA_ENDSTOPS
   #define _ENDSTOP_IS_ANY(ES) X2_USE_ENDSTOP == ES || Y2_USE_ENDSTOP == ES || Z2_USE_ENDSTOP == ES || Z3_USE_ENDSTOP == ES || Z4_USE_ENDSTOP == ES
   #if _ENDSTOP_IS_ANY(_XMIN_) || _ENDSTOP_IS_ANY(_XMAX_)
-    #define NEEDS_X_MINMAX 1
+    #define NEEDS_X_MINMAX
   #endif
   #if _ENDSTOP_IS_ANY(_YMIN_) || _ENDSTOP_IS_ANY(_YMAX_)
-    #define NEEDS_Y_MINMAX 1
+    #define NEEDS_Y_MINMAX
   #endif
   #if _ENDSTOP_IS_ANY(_ZMIN_) || _ENDSTOP_IS_ANY(_ZMAX_)
-    #define NEEDS_Z_MINMAX 1
+    #define NEEDS_Z_MINMAX
   #endif
   #undef _ENDSTOP_IS_ANY
 #endif
@@ -109,7 +113,7 @@
   #else
     #define Y_MIN_PIN                E1_DIAG_PIN  // E1DET
   #endif
-#elif NEEDS_Y_MINMAX
+#elif ENABLED(NEEDS_Y_MINMAX)
   #ifndef Y_MIN_PIN
     #define Y_MIN_PIN                 Y_DIAG_PIN  // Y-STOP
   #endif
@@ -127,7 +131,7 @@
   #else
     #define Z_MIN_PIN                E2_DIAG_PIN  // PWRDET
   #endif
-#elif NEEDS_Z_MINMAX
+#elif ENABLED(NEEDS_Z_MINMAX)
   #ifndef Z_MIN_PIN
     #define Z_MIN_PIN                 Z_DIAG_PIN  // Z-STOP
   #endif
@@ -138,10 +142,6 @@
   #define Z_STOP_PIN                  Z_DIAG_PIN  // Z-STOP
 #endif
 
-#undef NEEDS_X_MINMAX
-#undef NEEDS_Y_MINMAX
-#undef NEEDS_Z_MINMAX
-
 //
 // Filament Runout Sensor
 //

Marlin/src/pins/stm32f4/pins_MKS_SKIPR_V1_0.h

@@ -59,13 +59,13 @@
 #if HAS_EXTRA_ENDSTOPS
   #define _ENDSTOP_IS_ANY(ES) X2_USE_ENDSTOP == ES || Y2_USE_ENDSTOP == ES || Z2_USE_ENDSTOP == ES || Z3_USE_ENDSTOP == ES || Z4_USE_ENDSTOP == ES
   #if _ENDSTOP_IS_ANY(_XMIN_) || _ENDSTOP_IS_ANY(_XMAX_)
-    #define NEEDS_X_MINMAX 1
+    #define NEEDS_X_MINMAX
   #endif
   #if _ENDSTOP_IS_ANY(_YMIN_) || _ENDSTOP_IS_ANY(_YMAX_)
-    #define NEEDS_Y_MINMAX 1
+    #define NEEDS_Y_MINMAX
   #endif
   #if _ENDSTOP_IS_ANY(_ZMIN_) || _ENDSTOP_IS_ANY(_ZMAX_)
-    #define NEEDS_Z_MINMAX 1
+    #define NEEDS_Z_MINMAX
   #endif
   #undef _ENDSTOP_IS_ANY
 #endif
@@ -88,7 +88,7 @@
 
 #ifdef Y_STALL_SENSITIVITY
   #define Y_STOP_PIN                  Y_DIAG_PIN  // Y-
-#elif NEEDS_Y_MINMAX
+#elif ENABLED(NEEDS_Y_MINMAX)
   #ifndef Y_MIN_PIN
     #define Y_MIN_PIN                 Y_DIAG_PIN  // Y-
   #endif
@@ -101,7 +101,7 @@
 
 #ifdef Z_STALL_SENSITIVITY
   #define Z_STOP_PIN                  Z_DIAG_PIN  // Z-
-#elif NEEDS_Z_MINMAX
+#elif ENABLED(NEEDS_Z_MINMAX)
   #ifndef Z_MIN_PIN
     #define Z_MIN_PIN                 Z_DIAG_PIN  // Z-
   #endif
@@ -118,10 +118,6 @@
   #endif
 #endif
 
-#undef NEEDS_X_MINMAX
-#undef NEEDS_Y_MINMAX
-#undef NEEDS_Z_MINMAX
-
 //
 // Steppers
 //

Marlin/src/pins/stm32g0/pins_BTT_MANTA_M8P_common.h

@@ -81,10 +81,10 @@
 #if HAS_EXTRA_ENDSTOPS
   #define _ENDSTOP_IS_ANY(ES) X2_USE_ENDSTOP == ES || Y2_USE_ENDSTOP == ES || Z2_USE_ENDSTOP == ES || Z3_USE_ENDSTOP == ES || Z4_USE_ENDSTOP == ES
   #if _ENDSTOP_IS_ANY(_XMIN_) || _ENDSTOP_IS_ANY(_XMAX_)
-    #define NEEDS_X_MINMAX                     1
+    #define NEEDS_X_MINMAX
   #endif
   #if _ENDSTOP_IS_ANY(_YMIN_) || _ENDSTOP_IS_ANY(_YMAX_)
-    #define NEEDS_Y_MINMAX                     1
+    #define NEEDS_Y_MINMAX
   #endif
   #undef _ENDSTOP_IS_ANY
 #endif
@@ -117,7 +117,7 @@
   #else
     #define Y_MIN_PIN                E1_DIAG_PIN  // MIN6
   #endif
-#elif NEEDS_Y_MINMAX
+#elif ENABLED(NEEDS_Y_MINMAX)
   #ifndef Y_MIN_PIN
     #define Y_MIN_PIN                 Y_DIAG_PIN  // MIN2
   #endif
@@ -130,9 +130,6 @@
 
 #define Z_STOP_PIN                    Z_DIAG_PIN  // MIN3
 
-#undef NEEDS_X_MINMAX
-#undef NEEDS_Y_MINMAX
-
 //
 // Filament Runout Sensors
 //

Marlin/src/pins/stm32h7/env_validate.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2023 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#if NOT_TARGET(STM32H7)
+  #error "Oops! Select an STM32H7 board in 'Tools > Board.'"
+#endif