Support FYSETC Cheetah 2.0

Marlin/src/HAL/STM32/eeprom_flash.cpp

@@ -61,7 +61,9 @@
     #define FLASH_UNIT_SIZE       0x20000 // 128kB
   #endif
 
-  #define FLASH_ADDRESS_START     (FLASH_END - ((FLASH_SECTOR_TOTAL - (FLASH_SECTOR)) * (FLASH_UNIT_SIZE)) + 1)
+  #ifndef FLASH_ADDRESS_START
+    #define FLASH_ADDRESS_START   (FLASH_END - ((FLASH_SECTOR_TOTAL - (FLASH_SECTOR)) * (FLASH_UNIT_SIZE)) + 1)
+  #endif
   #define FLASH_ADDRESS_END       (FLASH_ADDRESS_START + FLASH_UNIT_SIZE  - 1)
 
   #define EEPROM_SLOTS            ((FLASH_UNIT_SIZE) / (MARLIN_EEPROM_SIZE))

Marlin/src/core/boards.h

@@ -373,6 +373,7 @@
 #define BOARD_MKS_ROBIN_NANO_V3       4220  // MKS Robin Nano V3 (STM32F407VG)
 #define BOARD_ANET_ET4                4221  // ANET ET4 V1.x (STM32F407VGT6)
 #define BOARD_ANET_ET4P               4222  // ANET ET4P V1.x (STM32F407VGT6)
+#define BOARD_FYSETC_CHEETAH_V20      4223  // FYSETC Cheetah V2.0
 
 //
 // ARM Cortex M7

Marlin/src/pins/pins.h

@@ -604,6 +604,8 @@
   #include "stm32f4/pins_ANET_ET4.h"            // STM32F4                                env:Anet_ET4_OpenBLT
 #elif MB(ANET_ET4P)
   #include "stm32f4/pins_ANET_ET4P.h"           // STM32F4                                env:Anet_ET4_OpenBLT
+#elif MB(FYSETC_CHEETAH_V20)
+  #include "stm32f4/pins_FYSETC_CHEETAH_V20.h"  // STM32F4                                env:FYSETC_CHEETAH_V20
 
 //
 // ARM Cortex M7

Marlin/src/pins/stm32f4/pins_FYSETC_CHEETAH_V20.h

@@ -0,0 +1,271 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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(STM32F4)
+  #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
+#endif
+
+#define DEFAULT_MACHINE_NAME "3D Printer"
+
+#define BOARD_INFO_NAME   "FYSETC Cheetah V2.0"
+#define BOARD_WEBSITE_URL "fysetc.com"
+
+// USB Flash Drive support
+//#define HAS_OTG_USB_HOST_SUPPORT
+
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD    2000
+
+#if EITHER(NO_EEPROM_SELECTED, FLASH_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+  #define FLASH_EEPROM_LEVELING
+
+  #define FLASH_SECTOR          2
+  #define FLASH_UNIT_SIZE       0x4000      // 16k
+  #define FLASH_ADDRESS_START   0x8008000
+#endif
+
+//
+// Z Probe
+//
+#if ENABLED(BLTOUCH)
+  #error "You need to set jumper to 5v for Bltouch, then comment out this line to proceed."
+  #define SERVO0_PIN                        PA0
+#elif !defined(Z_MIN_PROBE_PIN)
+  #define Z_MIN_PROBE_PIN                   PA0
+#endif
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                          PB4
+#define Y_STOP_PIN                          PB3
+#define Z_STOP_PIN                          PB1
+
+//
+// Filament runout
+//
+#define FIL_RUNOUT_PIN                      PB5
+
+//
+// Steppers
+//
+#define X_STEP_PIN                          PC0
+#define X_DIR_PIN                           PC1
+#define X_ENABLE_PIN                        PA8
+
+#define Y_STEP_PIN                          PC14
+#define Y_DIR_PIN                           PC13
+#define Y_ENABLE_PIN                        PC15
+
+#define Z_STEP_PIN                          PB9
+#define Z_DIR_PIN                           PB8
+#define Z_ENABLE_PIN                        PC2
+
+#define E0_STEP_PIN                         PB2
+#define E0_DIR_PIN                          PA15
+#define E0_ENABLE_PIN                       PD2
+
+#if HAS_TMC_UART
+  #define X_HARDWARE_SERIAL  Serial2
+  #define Y_HARDWARE_SERIAL  Serial2
+  #define Z_HARDWARE_SERIAL  Serial2
+  #define E0_HARDWARE_SERIAL Serial2
+
+  // Default TMC slave addresses
+  #ifndef X_SLAVE_ADDRESS
+    #define X_SLAVE_ADDRESS  0
+  #endif
+  #ifndef Y_SLAVE_ADDRESS
+    #define Y_SLAVE_ADDRESS  2
+  #endif
+  #ifndef Z_SLAVE_ADDRESS
+    #define Z_SLAVE_ADDRESS  1
+  #endif
+  #ifndef E0_SLAVE_ADDRESS
+    #define E0_SLAVE_ADDRESS 3
+  #endif
+#endif
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                        PC6
+#define HEATER_BED_PIN                      PC7
+#ifndef FAN_PIN
+  #define FAN_PIN                           PA1
+#endif
+#define FAN1_PIN                            PC8
+
+//
+// Temperature Sensors
+//
+#define TEMP_BED_PIN                        PC5   // Analog Input
+#define TEMP_0_PIN                          PC4   // Analog Input
+
+//
+// Misc. Functions
+//
+#define SDSS                                PA4
+#define SD_DETECT_PIN                       PC3
+
+#ifndef RGB_LED_R_PIN
+  #define RGB_LED_R_PIN                     PB0
+#endif
+#ifndef RGB_LED_G_PIN
+  #define RGB_LED_G_PIN                     PB7
+#endif
+#ifndef RGB_LED_B_PIN
+  #define RGB_LED_B_PIN                     PB6
+#endif
+
+/**
+ *                _____                                              _____
+ *            5V | 1 2 | GND                                     5V | 1 2 | GND
+ *         RESET | 3 4 | PC3  (SD_DETECT)             (LCD_D7)  PB7 | 3 4 | PB6  (LCD_D6)
+ * (SD_MOSI) PA7   5 6 | PC11 (BTN_EN2)               (LCD_D5) PB14   5 6 | PB13 (LCD_D4)
+ *   (SD_SS) PA4 | 7 8 | PC10 (BTN_EN1)               (LCD_RS) PB12 | 7 8 | PB15 (LCD_EN)
+ *  (SD_SCK) PA5 | 9 10| PA6  (SD_MISO)              (BTN_ENC) PC12 | 9 10| PC9  (BEEPER)
+ *                -----                                              -----
+ *                EXP2                                               EXP1
+ */
+
+/**
+*                 _____
+*  (BEEPER) PC9  | 1 2 | PC12 (BTN_ENC)
+* (BTN_EN1) PC10 | 3 4 | PB14 (LCD_D5/MISO)
+* (BTN_EN2) PC11   5 6 | PB13 (LCD_D4/SCK)
+*  (LCD_RS) PB12 | 7 8 | PB15 (LCD_EN/MOSI)
+*            GND | 9 10| 5V
+*                 -----
+*                 EXP3
+*/
+
+#define EXPA1_03_PIN                        PB7
+#define EXPA1_04_PIN                        PB6
+#define EXPA1_05_PIN                        PB14
+#define EXPA1_06_PIN                        PB13
+#define EXPA1_07_PIN                        PB12
+#define EXPA1_08_PIN                        PB15
+#define EXPA1_09_PIN                        PC12
+#define EXPA1_10_PIN                        PC9
+
+#define EXPA2_03_PIN                        -1
+#define EXPA2_04_PIN                        PC3
+#define EXPA2_05_PIN                        PA7
+#define EXPA2_06_PIN                        PC11
+#define EXPA2_07_PIN                        PA4
+#define EXPA2_08_PIN                        PC10
+#define EXPA2_09_PIN                        PA5
+#define EXPA2_10_PIN                        PA6
+
+#if HAS_WIRED_LCD
+
+  #define BEEPER_PIN                EXPA1_10_PIN
+  #define BTN_ENC                   EXPA1_09_PIN
+
+  #if ENABLED(CR10_STOCKDISPLAY)
+
+    #define LCD_PINS_RS             EXPA1_07_PIN
+
+    #define BTN_EN1                 EXPA2_08_PIN
+    #define BTN_EN2                 EXPA2_06_PIN
+
+    #define LCD_PINS_ENABLE         EXPA1_08_PIN
+    #define LCD_PINS_D4             EXPA1_06_PIN
+
+    // CR10_STOCKDISPLAY default timing is too fast
+    #undef BOARD_ST7920_DELAY_1
+    #undef BOARD_ST7920_DELAY_2
+    #undef BOARD_ST7920_DELAY_3
+
+  #elif ENABLED(MKS_MINI_12864)
+
+    #define DOGLCD_A0               EXPA1_04_PIN
+    #define DOGLCD_CS               EXPA1_05_PIN
+    #define BTN_EN1                 EXPA2_08_PIN
+    #define BTN_EN2                 EXPA2_06_PIN
+
+  #else
+
+    #define LCD_PINS_RS             EXPA1_07_PIN
+
+    #define BTN_EN1                 EXPA2_06_PIN
+    #define BTN_EN2                 EXPA2_08_PIN
+
+    #define LCD_PINS_ENABLE         EXPA1_08_PIN
+    #define LCD_PINS_D4             EXPA1_06_PIN
+
+    #if ENABLED(FYSETC_MINI_12864)
+      #define DOGLCD_CS             EXPA1_08_PIN
+      #define DOGLCD_A0             EXPA1_07_PIN
+      //#define LCD_BACKLIGHT_PIN           -1
+      #define LCD_RESET_PIN         EXPA1_06_PIN  // Must be high or open for LCD to operate normally.
+      #if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0)
+        #ifndef RGB_LED_R_PIN
+          #define RGB_LED_R_PIN     EXPA1_05_PIN
+        #endif
+        #ifndef RGB_LED_G_PIN
+          #define RGB_LED_G_PIN     EXPA1_04_PIN
+        #endif
+        #ifndef RGB_LED_B_PIN
+          #define RGB_LED_B_PIN     EXPA1_03_PIN
+        #endif
+      #elif ENABLED(FYSETC_MINI_12864_2_1)
+        #define NEOPIXEL_PIN        EXPA1_05_PIN
+      #endif
+    #endif // !FYSETC_MINI_12864
+
+    #if IS_ULTIPANEL
+      #define LCD_PINS_D5           EXPA1_05_PIN
+      #define LCD_PINS_D6           EXPA1_04_PIN
+      #define LCD_PINS_D7           EXPA1_03_PIN
+
+      #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
+        #define BTN_ENC_EN           LCD_PINS_D7  // Detect the presence of the encoder
+      #endif
+
+    #endif
+
+  #endif
+
+#endif // HAS_WIRED_LCD
+
+// Alter timing for graphical display
+#if HAS_MARLINUI_U8GLIB
+  #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
+
+#if ENABLED(TOUCH_UI_FTDI_EVE)
+  #define BEEPER_PIN                EXPA1_10_PIN
+  #define CLCD_MOD_RESET            EXPA2_08_PIN
+  #define CLCD_SPI_CS               EXPA2_06_PIN
+#endif

buildroot/share/PlatformIO/boards/FYSETC_CHEETAH_V20.json

@@ -0,0 +1,66 @@
+{
+  "build": {
+    "core": "stm32",
+    "cpu": "cortex-m4",
+    "extra_flags": "-DSTM32F401xx",
+    "f_cpu": "84000000L",
+    "hwids": [
+      [
+        "0x1EAF",
+        "0x0003"
+      ],
+      [
+        "0x0483",
+        "0x3748"
+      ]
+    ],
+    "ldscript": "stm32f401rc.ld",
+    "mcu": "stm32f401rct6",
+    "variant": "FYSETC_CHEETAH_V20"
+  },
+  "debug": {
+    "jlink_device": "STM32F401RC",
+    "openocd_target": "stm32f4x",
+    "svd_path": "STM32F40x.svd",
+    "tools": {
+      "stlink": {
+        "server": {
+          "arguments": [
+            "-f",
+            "scripts/interface/stlink.cfg",
+            "-c",
+            "transport select hla_swd",
+            "-f",
+            "scripts/target/stm32f4x.cfg",
+            "-c",
+            "reset_config none"
+          ],
+          "executable": "bin/openocd",
+          "package": "tool-openocd"
+        }
+      }
+    }
+  },
+  "frameworks": [
+    "arduino",
+    "stm32cube"
+  ],
+  "name": "STM32F401RC (64k RAM. 256k Flash)",
+  "upload": {
+    "disable_flushing": false,
+    "maximum_ram_size": 65536,
+    "maximum_size": 262144,
+    "protocol": "stlink",
+    "protocols": [
+      "stlink",
+      "dfu",
+      "jlink"
+    ],
+	"offset_address": "0x800C000",
+    "require_upload_port": true,
+    "use_1200bps_touch": false,
+    "wait_for_upload_port": false
+  },
+  "url": "https://www.fysetc.com",
+  "vendor": "Generic"
+}

buildroot/share/PlatformIO/scripts/fysetc_cheetah_v20.py

@@ -0,0 +1,9 @@
+import os
+Import("env")
+
+custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/variants/FYSETC_CHEETAH_V20/ldscript.ld")
+for i, flag in enumerate(env["LINKFLAGS"]):
+    if "-Wl,-T" in flag:
+        env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
+    elif flag == "-T":
+        env["LINKFLAGS"][i + 1] = custom_ld_script