From a3d88aebed987d76231eecac6e5c72702d499000 Mon Sep 17 00:00:00 2001
From: Luc <8822552+luc-github@users.noreply.github.com>
Date: Sun, 22 Dec 2019 01:58:00 +0100
Subject: [PATCH] Add MRR_ESPA/_ESPE (ESP32) boards (#16238)
---
Marlin/src/core/boards.h | 2 +
Marlin/src/pins/esp32/pins_MRR_ESPA.h | 101 +++++++++++++++++
Marlin/src/pins/esp32/pins_MRR_ESPE.h | 154 ++++++++++++++++++++++++++
Marlin/src/pins/pins.h | 4 +
4 files changed, 261 insertions(+)
create mode 100644 Marlin/src/pins/esp32/pins_MRR_ESPA.h
create mode 100644 Marlin/src/pins/esp32/pins_MRR_ESPE.h
diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index 8734b9af44..210a0c0d5f 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -322,6 +322,8 @@
// Espressif ESP32 WiFi
//
#define BOARD_ESPRESSIF_ESP32 6000
+#define BOARD_MRR_ESPA 6001
+#define BOARD_MRR_ESPE 6002
//
// Simulations
diff --git a/Marlin/src/pins/esp32/pins_MRR_ESPA.h b/Marlin/src/pins/esp32/pins_MRR_ESPA.h
new file mode 100644
index 0000000000..e778c4e335
--- /dev/null
+++ b/Marlin/src/pins/esp32/pins_MRR_ESPA.h
@@ -0,0 +1,101 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 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 .
+ *
+ */
+#pragma once
+
+/**
+ * MRR ESPA pin assignments
+ * MRR ESPA is a 3D printer control board based on the ESP32 microcontroller.
+ * Supports 4 stepper drivers, heated bed, single hotend.
+ */
+
+#ifndef ARDUINO_ARCH_ESP32
+ #error "Oops! Select an ESP32 board in 'Tools > Board.'"
+#elif EXTRUDERS > 1 || E_STEPPERS > 1
+ #error "MRR ESPA only supports one E Stepper. Comment out this line to continue."
+#elif HOTENDS > 1
+ #error "MRR ESPA currently supports only one hotend. Comment out this line to continue."
+#endif
+
+#define BOARD_INFO_NAME "MRR ESPA"
+#define BOARD_WEBSITE_URL "github.com/maplerainresearch/MRR_ESPA"
+#define DEFAULT_MACHINE_NAME BOARD_INFO_NAME
+
+//
+// Disable I2S stepper stream
+//
+#ifdef I2S_STEPPER_STREAM
+ #undef I2S_STEPPER_STREAM
+#endif
+#define I2S_WS -1
+#define I2S_BCK -1
+#define I2S_DATA -1
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN 34
+#define Y_STOP_PIN 35
+#define Z_STOP_PIN 15
+
+//
+// Steppers
+//
+#define X_STEP_PIN 27
+#define X_DIR_PIN 26
+#define X_ENABLE_PIN 25
+//#define X_CS_PIN 21
+
+#define Y_STEP_PIN 33
+#define Y_DIR_PIN 32
+#define Y_ENABLE_PIN X_ENABLE_PIN
+//#define Y_CS_PIN 22
+
+#define Z_STEP_PIN 14
+#define Z_DIR_PIN 12
+#define Z_ENABLE_PIN X_ENABLE_PIN
+//#define Z_CS_PIN 5 // SS_PIN
+
+#define E0_STEP_PIN 16
+#define E0_DIR_PIN 17
+#define E0_ENABLE_PIN X_ENABLE_PIN
+//#define E0_CS_PIN 21
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN 36 // Analog Input
+#define TEMP_BED_PIN 39 // Analog Input
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN 2
+#define FAN_PIN 13
+#define HEATER_BED_PIN 4
+
+//
+// MicroSD card
+//
+#define MOSI_PIN 23
+#define MISO_PIN 19
+#define SCK_PIN 18
+#define SDSS 5
diff --git a/Marlin/src/pins/esp32/pins_MRR_ESPE.h b/Marlin/src/pins/esp32/pins_MRR_ESPE.h
new file mode 100644
index 0000000000..c2e1759c1e
--- /dev/null
+++ b/Marlin/src/pins/esp32/pins_MRR_ESPE.h
@@ -0,0 +1,154 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 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 .
+ *
+ */
+#pragma once
+
+/**
+ * MRR ESPE pin assignments
+ * MRR ESPE is a 3D printer control board based on the ESP32 microcontroller.
+ * Supports 5 stepper drivers (using I2S stepper stream), heated bed,
+ * single hotend, and LCD controller.
+ */
+
+#ifndef ARDUINO_ARCH_ESP32
+ #error "Oops! Select an ESP32 board in 'Tools > Board.'"
+#elif EXTRUDERS > 2 || E_STEPPERS > 2
+ #error "MRR ESPE only supports two E Steppers. Comment out this line to continue."
+#elif HOTENDS > 1
+ #error "MRR ESPE currently supports only one hotend. Comment out this line to continue."
+#endif
+
+#define BOARD_INFO_NAME "MRR ESPE"
+#define BOARD_WEBSITE_URL "github.com/maplerainresearch/MRR_ESPE"
+#define DEFAULT_MACHINE_NAME BOARD_INFO_NAME
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN 35
+#define Y_STOP_PIN 32
+#define Z_STOP_PIN 33
+
+//
+// Enable I2S stepper stream
+//
+#undef I2S_STEPPER_STREAM
+#define I2S_STEPPER_STREAM
+
+#undef LIN_ADVANCE // Currently, I2S stream does not work with linear advance
+
+#define I2S_WS 26
+#define I2S_BCK 25
+#define I2S_DATA 27
+
+//
+// Steppers
+//
+#define X_STEP_PIN 129
+#define X_DIR_PIN 130
+#define X_ENABLE_PIN 128
+//#define X_CS_PIN 21
+
+#define Y_STEP_PIN 132
+#define Y_DIR_PIN 133
+#define Y_ENABLE_PIN 131
+//#define Y_CS_PIN 22
+
+#define Z_STEP_PIN 135
+#define Z_DIR_PIN 136
+#define Z_ENABLE_PIN 134
+//#define Z_CS_PIN 5 // SS_PIN
+
+#define E0_STEP_PIN 138
+#define E0_DIR_PIN 139
+#define E0_ENABLE_PIN 137
+//#define E0_CS_PIN 21
+
+#define E1_STEP_PIN 141
+#define E1_DIR_PIN 142
+#define E1_ENABLE_PIN 140
+//#define E1_CS_PIN 22
+
+#define Z2_STEP_PIN 141
+#define Z2_DIR_PIN 142
+#define Z2_ENABLE_PIN 140
+//#define Z2_CS_PIN 5
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN 36 // Analog Input
+#define TEMP_1_PIN 34 // Analog Input
+#define TEMP_BED_PIN 39 // Analog Input
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN 145 // 2
+#define FAN_PIN 146 // 15
+#define HEATER_BED_PIN 144 // 4
+
+#define CONTROLLER_FAN_PIN 147
+//#define E0_AUTO_FAN_PIN 148 // need to update Configuration_adv.h @section extruder
+//#define E1_AUTO_FAN_PIN 149 // need to update Configuration_adv.h @section extruder
+#define FAN1_PIN 149
+
+//
+// MicroSD card
+//
+#define MOSI_PIN 23
+#define MISO_PIN 19
+#define SCK_PIN 18
+#define SDSS 5
+
+//////////////////////////
+// LCDs and Controllers //
+//////////////////////////
+
+#if HAS_GRAPHICAL_LCD
+
+ #define LCD_PINS_RS 13
+ #define LCD_PINS_ENABLE 17
+ #define LCD_PINS_D4 16
+
+ #if ENABLED(CR10_STOCKDISPLAY)
+
+ #define BEEPER_PIN 151
+
+ #elif ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
+
+ #define BEEPER_PIN 152
+
+ //#define LCD_PINS_D5 150
+ //#define LCD_PINS_D6 151
+ //#define LCD_PINS_D7 153
+
+ #else
+
+ #error "Only CR10_STOCKDISPLAY and REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER are currently supported. Comment out this line to continue."
+
+ #endif
+
+ #define BTN_EN1 0
+ #define BTN_EN2 12
+ #define BTN_ENC 14
+
+#endif // HAS_GRAPHICAL_LCD
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index 460347487b..d950a1aa5b 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -553,6 +553,10 @@
#elif MB(ESPRESSIF_ESP32)
#include "esp32/pins_ESP32.h" // ESP32 env:esp32
+#elif MB(MRR_ESPA)
+ #include "esp32/pins_MRR_ESPA.h" // ESP32 env:esp32
+#elif MB(MRR_ESPE)
+ #include "esp32/pins_MRR_ESPE.h" // ESP32 env:esp32
//
// Linux Native Debug board