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1 files changed, 188 insertions, 0 deletions

diff --git a/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h b/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h
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+++ b/Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h
@@ -0,0 +1,188 @@
+/**
+ * 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 ENABLED(SKR_HAS_LPC1769)
+  #if NOT_TARGET(MCU_LPC1769)
+    #error "Oops! Make sure you have the LPC1769 environment selected in your IDE."
+  #endif
+#elif NOT_TARGET(MCU_LPC1768)
+  #error "Oops! Make sure you have the LPC1768 environment selected in your IDE."
+#endif
+
+// If you have the Big tree tech driver expantion module, enable HAS_BTT_EXP_MOT
+// https://github.com/bigtreetech/BTT-Expansion-module/tree/master/BTT%20EXP-MOT
+//#define HAS_BTT_EXP_MOT 1
+
+#if BOTH(HAS_WIRED_LCD, HAS_BTT_EXP_MOT)
+  #if EITHER(CR10_STOCKDISPLAY, ENDER2_STOCKDISPLAY)
+    #define EXP_MOT_USE_EXP2_ONLY 1
+  #else
+    #error "You can't use both an LCD and a Motor Expansion Module on EXP1/EXP2 at the same time."
+  #endif
+#endif
+
+// Ignore temp readings during development.
+//#define BOGUS_TEMPERATURE_GRACE_PERIOD    2000
+
+//
+// Steppers
+//
+#ifndef E1_STEP_PIN
+  #define E1_STEP_PIN                      P0_01
+#endif
+#ifndef E1_DIR_PIN
+  #define E1_DIR_PIN                       P0_00
+#endif
+#ifndef E1_ENABLE_PIN
+  #define E1_ENABLE_PIN                    P0_10
+#endif
+
+//
+// Temperature Sensors
+//  3.3V max when defined as an analog input
+//
+#ifndef TEMP_0_PIN
+  #define TEMP_0_PIN                    P0_24_A1  // A1 (T1) - (68) - TEMP_0_PIN
+#endif
+#ifndef TEMP_1_PIN
+  #define TEMP_1_PIN                    P0_25_A2  // A2 (T2) - (69) - TEMP_1_PIN
+#endif
+#ifndef TEMP_BED_PIN
+  #define TEMP_BED_PIN                  P0_23_A0  // A0 (T0) - (67) - TEMP_BED_PIN
+#endif
+
+#if HOTENDS == 1
+  #if TEMP_SENSOR_PROBE
+    #define TEMP_PROBE_PIN            TEMP_1_PIN
+  #elif TEMP_SENSOR_CHAMBER
+    #define TEMP_CHAMBER_PIN          TEMP_1_PIN
+  #endif
+#endif
+
+//
+// Heaters / Fans
+//
+#ifndef HEATER_0_PIN
+  #define HEATER_0_PIN                     P2_07
+#endif
+#if HOTENDS == 1
+  #ifndef FAN1_PIN
+    #define FAN1_PIN                       P2_04
+  #endif
+#else
+  #ifndef HEATER_1_PIN
+    #define HEATER_1_PIN                   P2_04
+  #endif
+#endif
+#ifndef FAN_PIN
+  #define FAN_PIN                          P2_03
+#endif
+#ifndef HEATER_BED_PIN
+  #define HEATER_BED_PIN                   P2_05
+#endif
+
+//
+// LCD / Controller
+//
+#if !defined(BEEPER_PIN) && HAS_WIRED_LCD && DISABLED(LCD_USE_I2C_BUZZER)
+  #define BEEPER_PIN                       P1_30  // (37) not 5V tolerant
+#endif
+
+//
+// SD Support
+//
+#define ONBOARD_SD_CS_PIN                  P0_06  // Chip select for "System" SD card
+
+#if SD_CONNECTION_IS(LCD)
+  #define SD_SCK_PIN                       P0_15
+  #define SD_MISO_PIN                      P0_17
+  #define SD_MOSI_PIN                      P0_18
+#elif SD_CONNECTION_IS(ONBOARD)
+  #undef SD_DETECT_PIN
+  #define SD_DETECT_PIN                    P0_27
+  #define SD_SCK_PIN                       P0_07
+  #define SD_MISO_PIN                      P0_08
+  #define SD_MOSI_PIN                      P0_09
+  #define SD_SS_PIN            ONBOARD_SD_CS_PIN
+#elif SD_CONNECTION_IS(CUSTOM_CABLE)
+  #error "No custom SD drive cable defined for this board."
+#endif
+
+#if HAS_BTT_EXP_MOT
+
+  /**              _____                                      _____
+   *           NC | · · | GND                             NC | · · | GND
+   *           NC | · · | 1.31 (M1EN)            (M2EN) 1.23 | · · | 1.22 (M3EN)
+   * (M1STP) 0.18 | · ·   3.25 (M1DIR)           (M1RX) 1.21 | · ·   1.20 (M1DIAG)
+   * (M2DIR) 0.16 | · · | 3.26 (M2STP)           (M2RX) 1.19 | · · | 1.18 (M2DIAG)
+   * (M3DIR) 0.15 | · · | 0.17 (M3STP)           (M3RX) 0.28 | · · | 1.30 (M3DIAG)
+   *               -----                                      -----
+   *               EXP2                                       EXP1
+   *
+   * NB In EXP_MOT_USE_EXP2_ONLY mode EXP1 is not used and M2EN and M3EN need to be jumpered to M1EN
+   */
+
+  // M1 on Driver Expansion Module
+  #define E2_STEP_PIN               EXPA2_05_PIN
+  #define E2_DIR_PIN                EXPA2_06_PIN
+  #define E2_ENABLE_PIN             EXPA2_04_PIN
+  #if !EXP_MOT_USE_EXP2_ONLY
+    #define E2_DIAG_PIN             EXPA1_06_PIN
+    #define E2_CS_PIN               EXPA1_05_PIN
+    #if HAS_TMC_UART
+      #define E2_SERIAL_TX_PIN      EXPA1_05_PIN
+      #define E2_SERIAL_RX_PIN      EXPA1_05_PIN
+    #endif
+  #endif
+
+  // M2 on Driver Expansion Module
+  #define E3_STEP_PIN               EXPA2_08_PIN
+  #define E3_DIR_PIN                EXPA2_07_PIN
+  #if !EXP_MOT_USE_EXP2_ONLY
+    #define E3_ENABLE_PIN           EXPA1_03_PIN
+    #define E3_DIAG_PIN             EXPA1_08_PIN
+    #define E3_CS_PIN               EXPA1_07_PIN
+    #if HAS_TMC_UART
+      #define E3_SERIAL_TX_PIN      EXPA1_07_PIN
+      #define E3_SERIAL_RX_PIN      EXPA1_07_PIN
+    #endif
+  #else
+    #define E3_ENABLE_PIN           EXPA2_04_PIN
+  #endif
+
+  // M3 on Driver Expansion Module
+  #define E4_STEP_PIN               EXPA2_10_PIN
+  #define E4_DIR_PIN                EXPA2_09_PIN
+  #if !EXP_MOT_USE_EXP2_ONLY
+    #define E4_ENABLE_PIN           EXPA1_04_PIN
+    #define E4_DIAG_PIN             EXPA1_10_PIN
+    #define E4_CS_PIN               EXPA1_09_PIN
+    #if HAS_TMC_UART
+      #define E4_SERIAL_TX_PIN      EXPA1_09_PIN
+      #define E4_SERIAL_RX_PIN      EXPA1_09_PIN
+    #endif
+  #else
+    #define E4_ENABLE_PIN           EXPA2_04_PIN
+  #endif
+
+#endif // HAS_BTT_EXP_MOT