Improve and extend RUMBA32 (#18249)

Marlin/src/core/boards.h

 #define BOARD_BEAST                   4200  // STM32F4xxVxT6 Libmaple-based STM32F4 controller
 #define BOARD_GENERIC_STM32F4         4201  // STM32 STM32GENERIC-based STM32F4 controller
 #define BOARD_ARMED                   4202  // Arm'ed STM32F4-based controller
-#define BOARD_RUMBA32_AUS3D           4203  // RUMBA32 STM32F446VET6 based controller from Aus3D
-#define BOARD_RUMBA32_MKS             4204  // RUMBA32 STM32F446VET6 based controller from Makerbase
-#define BOARD_BLACK_STM32F407VE       4205  // BLACK_STM32F407VE
-#define BOARD_BLACK_STM32F407ZE       4206  // BLACK_STM32F407ZE
-#define BOARD_STEVAL_3DP001V1         4207  // STEVAL-3DP001V1 3D PRINTER BOARD
-#define BOARD_BTT_SKR_PRO_V1_1        4208  // BigTreeTech SKR Pro v1.1 (STM32F407ZG)
-#define BOARD_BTT_BTT002_V1_0         4209  // BigTreeTech BTT002 v1.0 (STM32F407VG)
-#define BOARD_BTT_GTR_V1_0            4210  // BigTreeTech GTR v1.0 (STM32F407IGT)
-#define BOARD_LERDGE_K                4211  // Lerdge K (STM32F407ZG)
-#define BOARD_LERDGE_X                4212  // Lerdge X (STM32F407VE)
-#define BOARD_VAKE403D                4213  // VAkE 403D (STM32F446VET6)
-#define BOARD_FYSETC_S6               4214  // FYSETC S6 board
-#define BOARD_FLYF407ZG               4215  // FLYF407ZG board (STM32F407ZG)
-#define BOARD_MKS_ROBIN2              4216  // MKS_ROBIN2 (STM32F407ZE)
+#define BOARD_RUMBA32_V1_0            4203  // RUMBA32 STM32F446VET6 based controller from Aus3D
+#define BOARD_RUMBA32_V1_1            4204  // RUMBA32 STM32F446VET6 based controller from Aus3D
+#define BOARD_RUMBA32_MKS             4205  // RUMBA32 STM32F446VET6 based controller from Makerbase
+#define BOARD_BLACK_STM32F407VE       4206  // BLACK_STM32F407VE
+#define BOARD_BLACK_STM32F407ZE       4207  // BLACK_STM32F407ZE
+#define BOARD_STEVAL_3DP001V1         4208  // STEVAL-3DP001V1 3D PRINTER BOARD
+#define BOARD_BTT_SKR_PRO_V1_1        4209  // BigTreeTech SKR Pro v1.1 (STM32F407ZG)
+#define BOARD_BTT_BTT002_V1_0         4210  // BigTreeTech BTT002 v1.0 (STM32F407VG)
+#define BOARD_BTT_GTR_V1_0            4211 // BigTreeTech GTR v1.0 (STM32F407IGT)
+#define BOARD_LERDGE_K                4212  // Lerdge K (STM32F407ZG)
+#define BOARD_LERDGE_X                4213  // Lerdge X (STM32F407VE)
+#define BOARD_VAKE403D                4214  // VAkE 403D (STM32F446VET6)
+#define BOARD_FYSETC_S6               4215  // FYSETC S6 board
+#define BOARD_FLYF407ZG               4216  // FLYF407ZG board (STM32F407ZG)
+#define BOARD_MKS_ROBIN2              4217  // MKS_ROBIN2 (STM32F407ZE)
 
 //
 // ARM Cortex M7

Marlin/src/pins/pins.h

   #include "stm32f4/pins_GENERIC_STM32F4.h"     // STM32F4                                env:STM32F4
 #elif MB(ARMED)
   #include "stm32f4/pins_ARMED.h"               // STM32F4                                env:ARMED
-#elif MB(RUMBA32_AUS3D)
+#elif MB(RUMBA32_V1_0)
+  #include "stm32f4/pins_RUMBA32_AUS3D.h"       // STM32F4                                env:rumba32_f446ve
+#elif MB(RUMBA32_V1_1)
   #include "stm32f4/pins_RUMBA32_AUS3D.h"       // STM32F4                                env:rumba32_f446ve
 #elif MB(RUMBA32_MKS)
   #include "stm32f4/pins_RUMBA32_MKS.h"         // STM32F4                                env:rumba32_mks
   #define BOARD_BIGTREE_SKR_MINI_E3     -1016
   #define BOARD_BIGTREE_SKR_E3_DIP      -1017
   #define BOARD_RUMBA32                 -1018
+  #define BOARD_RUMBA32_AUS3D           -1019
 
   #if MB(MKS_13)
     #error "BOARD_MKS_13 has been renamed BOARD_MKS_GEN_13. Please update your configuration."
   #elif MB(STEVAL)
     #error "BOARD_STEVAL has been renamed BOARD_STEVAL_3DP001V1. Please update your configuration."
   #elif MB(RUMBA32)
-    #error "BOARD_RUMBA32 is now BOARD_RUMBA32_MKS or BOARD_RUMBA32_AUS3D. Please update your configuration."
+    #error "BOARD_RUMBA32 is now BOARD_RUMBA32_MKS or BOARD_RUMBA32_V1_0. Please update your configuration."
+  #elif MB(RUMBA32_AUS3D)
+    #error "BOARD_RUMBA32_AUS3D is now BOARD_RUMBA32_V1_0. Please update your configuration."
   #else
     #error "Unknown MOTHERBOARD value set in Configuration.h"
   #endif
   #undef BOARD_BIGTREE_SKR_MINI_V1_1
   #undef BOARD_BIGTREE_SKR_E3_DIP
   #undef BOARD_RUMBA32
+  #undef BOARD_RUMBA32_AUS3D
 
 #endif
 

Marlin/src/pins/stm32f4/pins_RUMBA32_AUS3D.h

 #pragma once
 
 /**
- * Pin assignments for the MKS RUMBA32
+ * Pin assignments for the RUMBA32
  *
  * https://aus3d.com.au/rumba32
  * https://github.com/Aus3D/RUMBA32
- *
- * The MKS and Aus3D versions have the same pinout but the MKS version
- * has some added resistors and LEDs.  The resistors needed for the
- * TMC2208/9 UART interface are among the additions.  Also added were
- * connectors and resistors dedicated to the TMC2130 sensorless homing
- * interface.
  */
 
-#define BOARD_INFO_NAME "Aus3D RUMBA32"
+#define BOARD_INFO_NAME "RUMBA32"
+
+#if NO_EEPROM_SELECTED
+  #if MB(RUMBA32_V1_0) 
+    #define FLASH_EEPROM_EMULATION
+    #define MARLIN_EEPROM_SIZE 0x1000             // 4KB
+  #elif MB(RUMBA32_V1_1)
+    #define I2C_EEPROM
+    #define MARLIN_EEPROM_SIZE 0x2000             // 8KB (24LC64T-I/OT)
+  #endif
+#endif
 
-#define RUMBA32_V1_0
-//#define I2C_EEPROM
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
+  #define FLASH_EEPROM_LEVELING
+#endif
 
 #include "pins_RUMBA32_common.h"
+
+#if MB(RUMBA32_V1_1)
+
+  #define SERVO0_PIN                        PA15
+  #undef BTN_PIN
+
+  #if HAS_TMC_UART
+    //
+    // TMC2208/TMC2209 stepper drivers - Software Serial is used according to below pins
+    //
+    #define X_SERIAL_TX_PIN                 PA14
+    #define X_SERIAL_RX_PIN                 PC14
+
+    #define Y_SERIAL_TX_PIN                 PA13
+    #define Y_SERIAL_RX_PIN                 PE4
+
+    #define Z_SERIAL_TX_PIN                 PB10
+    #define Z_SERIAL_RX_PIN                 PE0
+
+    #define E0_SERIAL_TX_PIN                PD11
+    #define E0_SERIAL_RX_PIN                PC13
+
+    #define E1_SERIAL_TX_PIN                PB3
+    #define E1_SERIAL_RX_PIN                PD5
+
+    #define E2_SERIAL_TX_PIN                PB4
+    #define E2_SERIAL_RX_PIN                PD1
+  #endif
+#endif

Marlin/src/pins/stm32f4/pins_RUMBA32_MKS.h

 
 #define BOARD_INFO_NAME "MKS RUMBA32"
 
-#define RUMBA32_V1_0
+#if NO_EEPROM_SELECTED
+  #define FLASH_EEPROM_EMULATION
+  #define MARLIN_EEPROM_SIZE 0x1000             // 4KB
+#endif
+
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
+  #define FLASH_EEPROM_LEVELING
+#endif
+
 #define ENABLE_SPI1
-//#define I2C_EEPROM
 
 #include "pins_RUMBA32_common.h"
 
-//
-// Software SPI pins for TMC2130 stepper drivers
-//
-#if ENABLED(TMC_USE_SW_SPI)
-  #ifndef TMC_SW_MOSI
-    #define TMC_SW_MOSI                     PA7
-  #endif
-  #ifndef TMC_SW_MISO
-    #define TMC_SW_MISO                     PA6
-  #endif
-  #ifndef TMC_SW_SCK
-    #define TMC_SW_SCK                      PA5
-  #endif
-#endif
-
 #if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
   #define E2_SERIAL_TX_PIN                  PD12
   #define E2_SERIAL_RX_PIN                  PD1
 #endif
-
-//
-// LCD / Controller
-//
-
-// Alter timing for graphical display
-#if HAS_GRAPHICAL_LCD
-  #define BOARD_ST7920_DELAY_1 DELAY_NS(96)
-  #define BOARD_ST7920_DELAY_2 DELAY_NS(48)
-  #define BOARD_ST7920_DELAY_3 DELAY_NS(600)
-#endif

Marlin/src/pins/stm32f4/pins_RUMBA32_common.h

 
 /**
  * Common pin assignments for all RUMBA32 boards
+ *
  */
 
 #ifndef STM32F4
   #error "RUMBA32 boards support up to 3 hotends / E-steppers."
 #endif
 
-#define RUMBA32_V1_0
 #define DEFAULT_MACHINE_NAME BOARD_INFO_NAME
 
-//#define I2C_EEPROM
-#define MARLIN_EEPROM_SIZE 0x1000                 // 4KB
+// Use soft PWM for fans - PWM is not working properly when paired with STM32 Arduino Core v1.7.0
+// This can be removed when Core version is updated and PWM behaviour is fixed.
+#define FAN_SOFT_PWM
+
+//
+// Configure Timers
+// TIM6 is used for TONE
+// TIM7 is used for SERVO
+// TIMER_SERIAL defaults to TIM7 so we'll override it here
+//
+#define STEP_TIMER                          10
+#define TEMP_TIMER                          14
+#define TIMER_SERIAL                        TIM9
 
 //
 // Limit Switches
 #define E2_ENABLE_PIN                       PD0
 #define E2_CS_PIN                           PD1
 
+#if ENABLED(TMC_USE_SW_SPI)
+  #ifndef TMC_SW_MOSI
+    #define TMC_SW_MOSI                     PA7
+  #endif
+  #ifndef TMC_SW_MISO
+    #define TMC_SW_MISO                     PA6
+  #endif
+  #ifndef TMC_SW_SCK
+    #define TMC_SW_SCK                      PA5
+  #endif
+#endif
+
 //
 // Temperature Sensors
 //
 #define FAN1_PIN                            PA8
 
 //
-// I2C
+// SPI
 //
 #define SCK_PIN                             PA5
 #define MISO_PIN                            PA6
     #define LCD_PINS_D7                     PE15
   #endif
 
+  // Alter timing for graphical display
+  #if HAS_GRAPHICAL_LCD
+    #ifndef BOARD_ST7920_DELAY_1
+      #define BOARD_ST7920_DELAY_1 DELAY_NS(96)
+    #endif
+    #ifndef BOARD_ST7920_DELAY_2
+      #define BOARD_ST7920_DELAY_2 DELAY_NS(48)
+    #endif
+    #ifndef BOARD_ST7920_DELAY_3
+      #define BOARD_ST7920_DELAY_3 DELAY_NS(600)
+    #endif
+  #endif
+
 #endif

buildroot/share/tests/rumba32_f446ve-tests

 
 # Build examples
 restore_configs
-opt_set MOTHERBOARD BOARD_RUMBA32_AUS3D
+opt_set MOTHERBOARD BOARD_RUMBA32_V1_0
 opt_set SERIAL_PORT -1
 opt_disable PIDTEMP
 opt_enable PIDTEMPBED
 opt_set TEMP_SENSOR_BED 1
 opt_disable THERMAL_PROTECTION_BED
 opt_set X_DRIVER_TYPE TMC2130
-exec_test $1 $2 "rumba32_f446ve with TMC2130, PID Bed, and bed thermal protection disabled"
+exec_test $1 $2 "rumba32_f446ve V1.0 with TMC2130, PID Bed, and bed thermal protection disabled"
+
+# Build examples
+restore_configs
+opt_set MOTHERBOARD BOARD_RUMBA32_V1_1
+opt_set SERIAL_PORT -1
+opt_enable PIDTEMPBED EEPROM_SETTINGS EEPROM_CHITCHAT REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+opt_set TEMP_SENSOR_BED 1
+opt_set X_DRIVER_TYPE TMC2130
+opt_set Y_DRIVER_TYPE TMC2208
+exec_test $1 $2 "rumba32_f446ve V1.1 with TMC2130, TMC2208, PID Bed, EEPROM settings, and graphic LCD controller"
 
 # cleanup
 restore_configs