✨ Chitu3D V9 board (#22401)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/src/core/boards.h

@@ -333,18 +333,19 @@
 #define BOARD_CCROBOT_MEEB_3DP        4035  // ccrobot-online.com MEEB_3DP (STM32F103RC)
 #define BOARD_CHITU3D_V5              4036  // Chitu3D TronXY X5SA V5 Board
 #define BOARD_CHITU3D_V6              4037  // Chitu3D TronXY X5SA V6 Board
-#define BOARD_CREALITY_V4             4038  // Creality v4.x (STM32F103RE)
-#define BOARD_CREALITY_V427           4039  // Creality v4.2.7 (STM32F103RE)
-#define BOARD_CREALITY_V4210          4040  // Creality v4.2.10 (STM32F103RE) as found in the CR-30
-#define BOARD_CREALITY_V431           4041  // Creality v4.3.1 (STM32F103RE)
-#define BOARD_CREALITY_V452           4042  // Creality v4.5.2 (STM32F103RE)
-#define BOARD_CREALITY_V453           4043  // Creality v4.5.3 (STM32F103RE)
-#define BOARD_TRIGORILLA_PRO          4044  // Trigorilla Pro (STM32F103ZET6)
-#define BOARD_FLY_MINI                4045  // FLYmaker FLY MINI (STM32F103RCT6)
-#define BOARD_FLSUN_HISPEED           4046  // FLSUN HiSpeedV1 (STM32F103VET6)
-#define BOARD_BEAST                   4047  // STM32F103RET6 Libmaple-based controller
-#define BOARD_MINGDA_MPX_ARM_MINI     4048  // STM32F103ZET6 Mingda MD-16
-#define BOARD_GTM32_PRO_VD            4049  // STM32F103VET6 controller
+#define BOARD_CHITU3D_V9              4038  // Chitu3D TronXY X5SA V9 Board
+#define BOARD_CREALITY_V4             4039  // Creality v4.x (STM32F103RE)
+#define BOARD_CREALITY_V427           4040  // Creality v4.2.7 (STM32F103RE)
+#define BOARD_CREALITY_V4210          4041  // Creality v4.2.10 (STM32F103RE) as found in the CR-30
+#define BOARD_CREALITY_V431           4042  // Creality v4.3.1 (STM32F103RE)
+#define BOARD_CREALITY_V452           4043  // Creality v4.5.2 (STM32F103RE)
+#define BOARD_CREALITY_V453           4044  // Creality v4.5.3 (STM32F103RE)
+#define BOARD_TRIGORILLA_PRO          4045  // Trigorilla Pro (STM32F103ZET6)
+#define BOARD_FLY_MINI                4046  // FLYmaker FLY MINI (STM32F103RCT6)
+#define BOARD_FLSUN_HISPEED           4047  // FLSUN HiSpeedV1 (STM32F103VET6)
+#define BOARD_BEAST                   4048  // STM32F103RET6 Libmaple-based controller
+#define BOARD_MINGDA_MPX_ARM_MINI     4049  // STM32F103ZET6 Mingda MD-16
+#define BOARD_GTM32_PRO_VD            4050  // STM32F103VET6 controller
 
 //
 // ARM Cortex-M4F

Marlin/src/pins/pins.h

@@ -537,6 +537,8 @@
   #include "stm32f1/pins_CHITU3D_V5.h"          // STM32F1                                env:chitu_f103 env:chitu_f103_maple env:chitu_v5_gpio_init env:chitu_v5_gpio_init_maple
 #elif MB(CHITU3D_V6)
   #include "stm32f1/pins_CHITU3D_V6.h"          // STM32F1                                env:chitu_f103 env:chitu_f103_maple
+#elif MB(CHITU3D_V9)
+  #include "stm32f1/pins_CHITU3D_V9.h"          // STM32F1                                env:chitu_f103 env:chitu_f103_maple
 #elif MB(CREALITY_V4)
   #include "stm32f1/pins_CREALITY_V4.h"         // STM32F1                                env:STM32F103RET6_creality env:STM32F103RET6_creality_maple
 #elif MB(CREALITY_V4210)

Marlin/src/pins/stm32f1/pins_CHITU3D.h

@@ -81,12 +81,7 @@
 // Heaters / Fans
 //
 #define HEATER_0_PIN                        PD12  // HOT-END
-#define HEATER_1_PIN                        -1
-#define HEATER_2_PIN                        -1
-
 #define HEATER_BED_PIN                      PG11  // HOT-BED
-#define HEATER_BED2_PIN                     -1    // BED2
-#define HEATER_BED3_PIN                     -1    // BED3
 
 #ifndef FAN_PIN
   #define FAN_PIN                           PG14  // MAIN BOARD FAN
@@ -97,8 +92,8 @@
 //
 // Temperature Sensors
 //
-#define TEMP_BED_PIN                        PA0   // Analog Input
 #define TEMP_0_PIN                          PA1   // Analog Input
+#define TEMP_BED_PIN                        PA0   // Analog Input
 
 //
 // LCD Pins

Marlin/src/pins/stm32f1/pins_CHITU3D_V5.h

@@ -21,148 +21,8 @@
  */
 #pragma once
 
-#include "env_validate.h"
+#define BOARD_INFO_NAME "Chitu3D V5"
 
-/**
- * 2017 Victor Perez Marlin for stm32f1 test
- */
-
-#define BOARD_INFO_NAME      "Chitu3D V5"
-#define DEFAULT_MACHINE_NAME "STM32F103ZET6"
-
-#define BOARD_NO_NATIVE_USB
-
-#define DISABLE_JTAG
-
-//
-// EEPROM
-//
-#define FLASH_EEPROM_EMULATION
-#if ENABLED(FLASH_EEPROM_EMULATION)
-  // SoC Flash (framework-arduinoststm32-maple/STM32F1/libraries/EEPROM/EEPROM.h)
-  #define EEPROM_START_ADDRESS (0x8000000UL + (512 * 1024) - 2 * EEPROM_PAGE_SIZE)
-  #define EEPROM_PAGE_SIZE     (0x800U)           // 2KB, but will use 2x more (4KB)
-  #define MARLIN_EEPROM_SIZE    EEPROM_PAGE_SIZE
-#else
-  #define MARLIN_EEPROM_SIZE              0x800U  // On SD, Limit to 2KB, require this amount of RAM
-#endif
-
-//
-// Limit Switches
-//
-#define X_STOP_PIN                          PG10
-#define Y_STOP_PIN                          PA12
-#define Z_STOP_PIN                          PA14
-
-//
-// Steppers
-//
-#define X_ENABLE_PIN                        PC13
-#define X_STEP_PIN                          PE5
-#define X_DIR_PIN                           PE6
-
-#define Y_ENABLE_PIN                        PE4
-#define Y_STEP_PIN                          PE2
-#define Y_DIR_PIN                           PE3
-
-#define Z_ENABLE_PIN                        PE1
-#define Z_STEP_PIN                          PB9
-#define Z_DIR_PIN                           PE0
-
-#define E0_ENABLE_PIN                       PB8
-#define E0_STEP_PIN                         PB4
-#define E0_DIR_PIN                          PB5
-
-#define E1_ENABLE_PIN                       PG8
-#define E1_STEP_PIN                         PC7
-#define E1_DIR_PIN                          PC6
-
-//
-// Temperature Sensors
-//
-#define TEMP_0_PIN                          PA1   // TH1
-#define TEMP_BED_PIN                        PA0   // TB1
-
-//
-// Heaters
-//
-#define HEATER_0_PIN                        PG12  // HEATER1
-#define HEATER_BED_PIN                      PG11  // HOT BED
-
-//
-// Fans
-//
-#define CONTROLLER_FAN_PIN                  PD6   // BOARD FAN
-#define FAN_PIN                             PG13  // FAN
-#define FAN2_PIN                            PG14
-
-//
-// Misc
-//
-#define BEEPER_PIN                          PB0
-//#define LED_PIN                           -1
-//#define POWER_LOSS_PIN                    -1
-#define FIL_RUNOUT_PIN                      PA15
-
-// SPI Flash
-#define HAS_SPI_FLASH                          1
-#if HAS_SPI_FLASH
-  #define SPI_FLASH_SIZE                0x200000  // 2MB
-#endif
-
-// SPI 2
-#define W25QXX_CS_PIN                       PB12
-#define W25QXX_MOSI_PIN                     PB15
-#define W25QXX_MISO_PIN                     PB14
-#define W25QXX_SCK_PIN                      PB13
-
-//
-// TFT with FSMC interface
-//
-#if HAS_FSMC_TFT
-  #define TOUCH_CS_PIN                      PB7   // SPI1_NSS
-  #define TOUCH_SCK_PIN                     PA5   // SPI1_SCK
-  #define TOUCH_MISO_PIN                    PA6   // SPI1_MISO
-  #define TOUCH_MOSI_PIN                    PA7   // SPI1_MOSI
-
-  #define TFT_RESET_PIN                     PF11
-  #define TFT_BACKLIGHT_PIN                 PD13
-
-  #define LCD_USE_DMA_FSMC                        // Use DMA transfers to send data to the TFT
-  #define FSMC_CS_PIN                       PD7
-  #define FSMC_RS_PIN                       PD11
-  #define FSMC_DMA_DEV                      DMA2
-  #define FSMC_DMA_CHANNEL               DMA_CH5
-
-  #define TFT_CS_PIN                 FSMC_CS_PIN
-  #define TFT_RS_PIN                 FSMC_RS_PIN
-#endif
-
-#if ENABLED(TFT_LVGL_UI)
-  // LVGL
-  #define HAS_SPI_FLASH_FONT                   1
-  #define HAS_GCODE_PREVIEW                    1
-  #define HAS_GCODE_DEFAULT_VIEW_IN_FLASH      0
-  #define HAS_LANG_SELECT_SCREEN               1
-  #define HAS_BAK_VIEW_IN_FLASH                0
-  #define HAS_LOGO_IN_FLASH                    0
-#elif ENABLED(TFT_COLOR_UI)
-  // Color UI
-  #define TFT_BUFFER_SIZE                  14400
-#endif
-
-// SPI1(PA7)=LCD & SPI3(PB5)=STUFF, are not available
-// Needs to use SPI2
-#define SPI_DEVICE                             2
-#define SD_SCK_PIN                          PB13
-#define SD_MISO_PIN                         PB14
-#define SD_MOSI_PIN                         PB15
-#define SD_SS_PIN                           PB12
+#define Z_STOP_PIN                          PG9
 
-//
-// SD Card
-//
-#define SDIO_SUPPORT
-#define SD_DETECT_PIN                       -1    // PF0, but it isn't connected
-#define SDIO_CLOCK                       4500000
-#define SDIO_READ_RETRIES                     16
+#include "pins_CHITU3D_common.h"

Marlin/src/pins/stm32f1/pins_CHITU3D_V6.h

@@ -21,160 +21,14 @@
  */
 #pragma once
 
-#include "env_validate.h"
-
-/**
- * 2017 Victor Perez Marlin for stm32f1 test
- */
-
-#define BOARD_INFO_NAME      "Chitu3D"
-#define DEFAULT_MACHINE_NAME "STM32F103ZET6"
-
-#define BOARD_NO_NATIVE_USB
-
-#define DISABLE_JTAG
-
-//
-// EEPROM
-//
-
-#if NO_EEPROM_SELECTED
-  #define FLASH_EEPROM_EMULATION
-#endif
-
-#if ENABLED(FLASH_EEPROM_EMULATION)
-  // SoC Flash (framework-arduinoststm32-maple/STM32F1/libraries/EEPROM/EEPROM.h)
-  #define EEPROM_START_ADDRESS (0x8000000UL + (512 * 1024) - 2 * EEPROM_PAGE_SIZE)
-  #define EEPROM_PAGE_SIZE     (0x800U)           // 2KB, but will use 2x more (4KB)
-  #define MARLIN_EEPROM_SIZE    EEPROM_PAGE_SIZE
-#else
-  #define MARLIN_EEPROM_SIZE              0x800U  // On SD, Limit to 2KB, require this amount of RAM
-#endif
-
-//
-// Limit Switches
-//
-#define X_STOP_PIN                          PG10
-#define Y_STOP_PIN                          PA12
-#define Z_STOP_PIN                          PG9
-
-//
-// Steppers
-//
-#define X_ENABLE_PIN                        PC13
-#define X_STEP_PIN                          PE5
-#define X_DIR_PIN                           PE6
-
-#define Y_ENABLE_PIN                        PE4
-#define Y_STEP_PIN                          PE2
-#define Y_DIR_PIN                           PE3
-
-#define Z_ENABLE_PIN                        PE1
-#define Z_STEP_PIN                          PB9
-#define Z_DIR_PIN                           PE0
+#define BOARD_INFO_NAME "Chitu3D V6"
 
 #define Z2_ENABLE_PIN                       PF3
 #define Z2_STEP_PIN                         PF5
 #define Z2_DIR_PIN                          PF1
 
-#define E0_ENABLE_PIN                       PB8
-#define E0_STEP_PIN                         PB4
-#define E0_DIR_PIN                          PB5
-
-#define E1_ENABLE_PIN                       PG8
-#define E1_STEP_PIN                         PC7
-#define E1_DIR_PIN                          PC6
-
-//
-// Temperature Sensors
-//
-#define TEMP_0_PIN                          PA1   // TH1
-#define TEMP_BED_PIN                        PA0   // TB1
-
-//
-// Heaters
-//
-#define HEATER_0_PIN                        PG12  // HEATER1
-#define HEATER_BED_PIN                      PG11  // HOT BED
-//#define HEATER_BED_INVERTING              true
-
-//
-// Fans
-//
-#define CONTROLLER_FAN_PIN                  PD6   // BOARD FAN
-#define FAN_PIN                             PG13  // FAN
-#define FAN2_PIN                            PG14
-
-//
-// Misc
-//
-#define BEEPER_PIN                          PB0
-//#define LED_PIN                           PD3
-//#define POWER_LOSS_PIN                    PG2   // PG4 PW_DET
-
-#ifndef FIL_RUNOUT_PIN
-  #define FIL_RUNOUT_PIN                    PA15  // MT_DET
-#endif
 #ifndef FIL_RUNOUT2_PIN
   #define FIL_RUNOUT2_PIN                   PF13
 #endif
 
-// SPI Flash
-#define HAS_SPI_FLASH                          1
-#if HAS_SPI_FLASH
-  #define SPI_FLASH_SIZE                0x200000  // 2MB
-#endif
-
-// SPI 2
-#define W25QXX_CS_PIN                       PB12
-#define W25QXX_MOSI_PIN                     PB15
-#define W25QXX_MISO_PIN                     PB14
-#define W25QXX_SCK_PIN                      PB13
-
-//
-// TFT with FSMC interface
-//
-#if HAS_FSMC_TFT
-  #define TOUCH_CS_PIN                      PB7   // SPI1_NSS
-  #define TOUCH_SCK_PIN                     PA5   // SPI1_SCK
-  #define TOUCH_MISO_PIN                    PA6   // SPI1_MISO
-  #define TOUCH_MOSI_PIN                    PA7   // SPI1_MOSI
-
-  #define TFT_RESET_PIN                     PF11
-  #define TFT_BACKLIGHT_PIN                 PD13
-
-  #define LCD_USE_DMA_FSMC                        // Use DMA transfers to send data to the TFT
-  #define FSMC_CS_PIN                       PD7
-  #define FSMC_RS_PIN                       PD11
-  #define FSMC_DMA_DEV                      DMA2
-  #define FSMC_DMA_CHANNEL               DMA_CH5
-#endif
-
-#if ENABLED(TFT_LVGL_UI)
-  // LVGL
-  #define HAS_SPI_FLASH_FONT                   1
-  #define HAS_GCODE_PREVIEW                    1
-  #define HAS_GCODE_DEFAULT_VIEW_IN_FLASH      0
-  #define HAS_LANG_SELECT_SCREEN               1
-  #define HAS_BAK_VIEW_IN_FLASH                0
-  #define HAS_LOGO_IN_FLASH                    0
-#elif ENABLED(TFT_COLOR_UI)
-  // Color UI
-  #define TFT_BUFFER_SIZE                  14400
-#endif
-
-// SPI1(PA7)=LCD & SPI3(PB5)=STUFF, are not available
-// so SPI2 is required.
-#define SPI_DEVICE                             2
-#define SD_SCK_PIN                          PB13
-#define SD_MISO_PIN                         PB14
-#define SD_MOSI_PIN                         PB15
-#define SD_SS_PIN                           PB12
-
-//
-// SD Card
-//
-#define SDIO_SUPPORT
-#define SD_DETECT_PIN                       -1    // PF0, but it isn't connected
-#define SDIO_CLOCK                       4500000
-#define SDIO_READ_RETRIES                     16
+#include "pins_CHITU3D_common.h"

Marlin/src/pins/stm32f1/pins_CHITU3D_V9.h

@@ -0,0 +1,36 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 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
+
+#define BOARD_INFO_NAME "Chitu3D V9"
+
+#define Z_STOP_PIN                          PA14
+
+#define Z2_ENABLE_PIN                       PF3
+#define Z2_STEP_PIN                         PF5
+#define Z2_DIR_PIN                          PF1
+
+#ifndef FIL_RUNOUT2_PIN
+  #define FIL_RUNOUT2_PIN                   PF13
+#endif
+
+#include "pins_CHITU3D_common.h"

Marlin/src/pins/stm32f1/pins_CHITU3D_common.h

@@ -0,0 +1,177 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 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
+
+#include "env_validate.h"
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME      "Chitu3D"
+#endif
+#ifndef DEFAULT_MACHINE_NAME
+  #define DEFAULT_MACHINE_NAME "STM32F103ZET6"
+#endif
+
+#define BOARD_NO_NATIVE_USB
+#define DISABLE_JTAG
+
+//
+// EEPROM
+//
+
+#if NO_EEPROM_SELECTED
+  #define FLASH_EEPROM_EMULATION
+#endif
+
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // SoC Flash (framework-arduinoststm32-maple/STM32F1/libraries/EEPROM/EEPROM.h)
+  #define EEPROM_START_ADDRESS (0x8000000UL + (512 * 1024) - 2 * EEPROM_PAGE_SIZE)
+  #define EEPROM_PAGE_SIZE     (0x800U)           // 2KB, but will use 2x more (4KB)
+  #define MARLIN_EEPROM_SIZE    EEPROM_PAGE_SIZE
+#else
+  #define MARLIN_EEPROM_SIZE              0x800U  // On SD, Limit to 2KB, require this amount of RAM
+#endif
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                          PG10
+#define Y_STOP_PIN                          PA12
+#ifndef Z_STOP_PIN
+  #define Z_STOP_PIN                        PG9
+#endif
+
+//
+// Steppers
+//
+#define X_ENABLE_PIN                        PC13
+#define X_STEP_PIN                          PE5
+#define X_DIR_PIN                           PE6
+
+#define Y_ENABLE_PIN                        PE4
+#define Y_STEP_PIN                          PE2
+#define Y_DIR_PIN                           PE3
+
+#define Z_ENABLE_PIN                        PE1
+#define Z_STEP_PIN                          PB9
+#define Z_DIR_PIN                           PE0
+
+#define E0_ENABLE_PIN                       PB8
+#define E0_STEP_PIN                         PB4
+#define E0_DIR_PIN                          PB5
+
+#define E1_ENABLE_PIN                       PG8
+#define E1_STEP_PIN                         PC7
+#define E1_DIR_PIN                          PC6
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                          PA1   // TH1 Analog Input
+#define TEMP_BED_PIN                        PA0   // TB1 Analog Input
+
+//
+// Heaters
+//
+#define HEATER_0_PIN                        PG12  // HEATER1
+#define HEATER_BED_PIN                      PG11  // HOT BED
+//#define HEATER_BED_INVERTING              true
+
+//
+// Fans
+//
+#define CONTROLLER_FAN_PIN                  PD6   // BOARD FAN
+#define FAN_PIN                             PG13  // FAN
+#define FAN2_PIN                            PG14
+
+//
+// Misc
+//
+#define BEEPER_PIN                          PB0
+//#define LED_PIN                           PD3
+//#define POWER_LOSS_PIN                    PG2   // PG4 PW_DET
+
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN                    PA15  // MT_DET
+#endif
+
+// SPI Flash
+#define HAS_SPI_FLASH                          1
+#if HAS_SPI_FLASH
+  #define SPI_FLASH_SIZE                0x200000  // 2MB
+#endif
+
+// SPI 2
+#define W25QXX_CS_PIN                       PB12
+#define W25QXX_MOSI_PIN                     PB15
+#define W25QXX_MISO_PIN                     PB14
+#define W25QXX_SCK_PIN                      PB13
+
+//
+// TFT with FSMC interface
+//
+#if HAS_FSMC_TFT
+  #define TOUCH_CS_PIN                      PB7   // SPI1_NSS
+  #define TOUCH_SCK_PIN                     PA5   // SPI1_SCK
+  #define TOUCH_MISO_PIN                    PA6   // SPI1_MISO
+  #define TOUCH_MOSI_PIN                    PA7   // SPI1_MOSI
+
+  #define TFT_RESET_PIN                     PF11
+  #define TFT_BACKLIGHT_PIN                 PD13
+
+  #define LCD_USE_DMA_FSMC                        // Use DMA transfers to send data to the TFT
+  #define FSMC_CS_PIN                       PD7
+  #define FSMC_RS_PIN                       PD11
+  #define FSMC_DMA_DEV                      DMA2
+  #define FSMC_DMA_CHANNEL               DMA_CH5
+
+  #define TFT_CS_PIN                 FSMC_CS_PIN
+  #define TFT_RS_PIN                 FSMC_RS_PIN
+#endif
+
+#if ENABLED(TFT_LVGL_UI)
+  // LVGL
+  #define HAS_SPI_FLASH_FONT                   1
+  #define HAS_GCODE_PREVIEW                    1
+  #define HAS_GCODE_DEFAULT_VIEW_IN_FLASH      0
+  #define HAS_LANG_SELECT_SCREEN               1
+  #define HAS_BAK_VIEW_IN_FLASH                0
+  #define HAS_LOGO_IN_FLASH                    0
+#elif ENABLED(TFT_COLOR_UI)
+  // Color UI
+  #define TFT_BUFFER_SIZE                  14400
+#endif
+
+// SPI1(PA7)=LCD & SPI3(PB5)=STUFF, are not available
+// so SPI2 is required.
+#define SPI_DEVICE                             2
+#define SD_SCK_PIN                          PB13
+#define SD_MISO_PIN                         PB14
+#define SD_MOSI_PIN                         PB15
+#define SD_SS_PIN                           PB12
+
+//
+// SD Card
+//
+#define SDIO_SUPPORT
+#define SD_DETECT_PIN                       -1    // PF0, but it isn't connected
+#define SDIO_CLOCK                       4500000
+#define SDIO_READ_RETRIES                     16