From d74efd9d46eef7676832f6fb40b80008b4537b69 Mon Sep 17 00:00:00 2001
From: thisiskeithb <13375512+thisiskeithb@users.noreply.github.com>
Date: Sat, 27 Jul 2019 02:43:37 -0700
Subject: [PATCH] MKS Robin Lite/Lite2 Board Support (#14729)
---
Marlin/src/core/boards.h | 15 +-
Marlin/src/pins/pins.h | 2 +
Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.h | 143 ++++++++++++++++++
.../PlatformIO/ldscripts/mks_robin_lite.ld | 14 ++
.../PlatformIO/scripts/mks_robin_lite.py | 30 ++++
platformio.ini | 21 +++
6 files changed, 218 insertions(+), 7 deletions(-)
create mode 100644 Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.h
create mode 100644 buildroot/share/PlatformIO/ldscripts/mks_robin_lite.ld
create mode 100644 buildroot/share/PlatformIO/scripts/mks_robin_lite.py
diff --git a/Marlin/src/core/boards.h b/Marlin/src/core/boards.h
index cffb2c8dd..32007b3ab 100644
--- a/Marlin/src/core/boards.h
+++ b/Marlin/src/core/boards.h
@@ -259,13 +259,14 @@
#define BOARD_MKS_ROBIN 4005 // MKS Robin (STM32F103ZET6)
#define BOARD_MKS_ROBIN_MINI 4006 // MKS Robin Mini (STM32F103VET6)
#define BOARD_MKS_ROBIN_NANO 4007 // MKS Robin Nano (STM32F103VET6)
-#define BOARD_BIGTREE_SKR_MINI_V1_1 4008 // BigTreeTech SKR Mini v1.1 (STM32F103RC)
-#define BOARD_BIGTREE_SKR_MINI_E3 4009 // BigTreeTech SKR Mini E3 (STM32F103RC)
-#define BOARD_BIGTREE_SKR_E3_DIP 4010 // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC)
-#define BOARD_JGAURORA_A5S_A1 4011 // JGAurora A5S A1 (STM32F103ZET6)
-#define BOARD_FYSETC_AIO_II 4012 // FYSETC AIO_II
-#define BOARD_FYSETC_CHEETAH 4013 // FYSETC Cheetah
-#define BOARD_LONGER3D_LK 4014 // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
+#define BOARD_MKS_ROBIN_LITE 4008 // MKS Robin Lite/Lite2 (STM32F103RCT6)
+#define BOARD_BIGTREE_SKR_MINI_V1_1 4009 // BigTreeTech SKR Mini v1.1 (STM32F103RC)
+#define BOARD_BIGTREE_SKR_MINI_E3 4010 // BigTreeTech SKR Mini E3 (STM32F103RC)
+#define BOARD_BIGTREE_SKR_E3_DIP 4011 // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC)
+#define BOARD_JGAURORA_A5S_A1 4012 // JGAurora A5S A1 (STM32F103ZET6)
+#define BOARD_FYSETC_AIO_II 4013 // FYSETC AIO_II
+#define BOARD_FYSETC_CHEETAH 4014 // FYSETC Cheetah
+#define BOARD_LONGER3D_LK 4015 // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
//
// ARM Cortex-M4F
diff --git a/Marlin/src/pins/pins.h b/Marlin/src/pins/pins.h
index e838dbd4a..9231ff671 100644
--- a/Marlin/src/pins/pins.h
+++ b/Marlin/src/pins/pins.h
@@ -462,6 +462,8 @@
#include "stm32/pins_MKS_ROBIN_MINI.h" // STM32F1 env:mks_robin_mini
#elif MB(MKS_ROBIN_NANO)
#include "stm32/pins_MKS_ROBIN_NANO.h" // STM32F1 env:mks_robin_nano
+#elif MB(MKS_ROBIN_LITE)
+ #include "stm32/pins_MKS_ROBIN_LITE.h" // STM32F1 env:mks_robin_lite
#elif MB(JGAURORA_A5S_A1)
#include "stm32/pins_JGAURORA_A5S_A1.h" // STM32F1 env:JGAURORA_A5S_A1
#elif MB(FYSETC_AIO_II)
diff --git a/Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.h b/Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.h
new file mode 100644
index 000000000..9a6901d17
--- /dev/null
+++ b/Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.h
@@ -0,0 +1,143 @@
+/**
+ * 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
+
+#ifndef __STM32F1__
+ #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#endif
+
+#if HOTENDS > 1 || E_STEPPERS > 1
+ #error "MKS Robin Lite supports up to 1 hotends / E-steppers. Comment out this line to continue."
+#endif
+
+#ifndef BOARD_NAME
+ #define BOARD_NAME "MKS Robin Lite"
+#endif
+#define BOARD_WEBSITE_URL "https://github.com/makerbase-mks"
+
+//#define DISABLE_DEBUG
+#define DISABLE_JTAG
+#define ENABLE_SPI2
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN PC13
+#define Y_STOP_PIN PC0
+#define Z_MIN_PIN PC12
+#define Z_MAX_PIN PB9
+
+//
+// Steppers
+//
+#define X_STEP_PIN PC6
+#define X_DIR_PIN PB12
+#define X_ENABLE_PIN PB10
+
+#define Y_STEP_PIN PB11
+#define Y_DIR_PIN PB2
+#define Y_ENABLE_PIN PB10
+
+#define Z_STEP_PIN PB1
+#define Z_DIR_PIN PC5
+#define Z_ENABLE_PIN PB10
+
+#define E0_STEP_PIN PC4
+#define E0_DIR_PIN PA5
+#define E0_ENABLE_PIN PA4
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN PC9
+#define FAN_PIN PA8
+#define HEATER_BED_PIN PC8
+
+//
+// Temperature Sensors
+//
+#define TEMP_BED_PIN PA1
+#define TEMP_0_PIN PA0
+
+#define FIL_RUNOUT_PIN PB8 // MT_DET
+
+//
+// LCD Pins
+//
+#if HAS_SPI_LCD
+ #define BEEPER_PIN PD2
+ #define BTN_ENC PB3
+ #define LCD_PINS_RS PC3
+
+ #define BTN_EN1 PB5
+ #define BTN_EN2 PB4
+
+ #define LCD_PINS_ENABLE PC2
+
+ #if ENABLED(MKS_MINI_12864)
+
+ #define LCD_BACKLIGHT_PIN -1
+ #define LCD_RESET_PIN -1
+ #define DOGLCD_A0 PC1
+ #define DOGLCD_CS PC2
+ #define DOGLCD_SCK PB13
+ #define DOGLCD_MOSI PB15
+
+ #else // !MKS_MINI_12864
+
+ #define LCD_PINS_D4 PC1
+ #if ENABLED(ULTIPANEL)
+ #define LCD_PINS_D5 -1
+ #define LCD_PINS_D6 -1
+ #define LCD_PINS_D7 -1
+ #endif
+
+ #endif // !MKS_MINI_12864
+
+#endif // HAS_SPI_LCD
+
+// Motor current PWM pins
+#define MOTOR_CURRENT_PWM_XY_PIN PB0
+#define MOTOR_CURRENT_PWM_Z_PIN PA7
+#define MOTOR_CURRENT_PWM_E_PIN PA6
+#define MOTOR_CURRENT_PWM_RANGE (65535/10/3.3) // (255 * (1000mA / 65535)) * 257 = 1000 is equal 1.6v Vref in turn equal 1Amp
+#define DEFAULT_PWM_MOTOR_CURRENT { 1000, 1000, 1000 } // 1.05Amp per driver, here is XY, Z and E. This values determined empirically.
+
+//
+// SD Card
+//
+#define ENABLE_SPI2
+#define SD_DETECT_PIN PC10
+#define SCK_PIN PB13
+#define MISO_PIN P1B4
+#define MOSI_PIN P1B5
+#define SS_PIN PA15
+
+#ifndef ST7920_DELAY_1
+ #define ST7920_DELAY_1 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_2
+ #define ST7920_DELAY_2 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_3
+ #define ST7920_DELAY_3 DELAY_NS(125)
+#endif
diff --git a/buildroot/share/PlatformIO/ldscripts/mks_robin_lite.ld b/buildroot/share/PlatformIO/ldscripts/mks_robin_lite.ld
new file mode 100644
index 000000000..13fa48add
--- /dev/null
+++ b/buildroot/share/PlatformIO/ldscripts/mks_robin_lite.ld
@@ -0,0 +1,14 @@
+MEMORY
+{
+ ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K - 40
+ rom (rx) : ORIGIN = 0x08005000, LENGTH = 256K - 20K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE common.inc
diff --git a/buildroot/share/PlatformIO/scripts/mks_robin_lite.py b/buildroot/share/PlatformIO/scripts/mks_robin_lite.py
new file mode 100644
index 000000000..c11bbb37f
--- /dev/null
+++ b/buildroot/share/PlatformIO/scripts/mks_robin_lite.py
@@ -0,0 +1,30 @@
+Import("env")
+
+# Relocate firmware from 0x08000000 to 0x08005000
+for define in env['CPPDEFINES']:
+ if define[0] == "VECT_TAB_ADDR":
+ env['CPPDEFINES'].remove(define)
+env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08005000"))
+env.Replace(LDSCRIPT_PATH="buildroot/share/PlatformIO/ldscripts/mks_robin_lite.ld")
+
+# Encrypt ${PROGNAME}.bin and save it as 'mksLite.bin'
+def encrypt(source, target, env):
+ import os
+
+ key = [0xA3, 0xBD, 0xAD, 0x0D, 0x41, 0x11, 0xBB, 0x8D, 0xDC, 0x80, 0x2D, 0xD0, 0xD2, 0xC4, 0x9B, 0x1E, 0x26, 0xEB, 0xE3, 0x33, 0x4A, 0x15, 0xE4, 0x0A, 0xB3, 0xB1, 0x3C, 0x93, 0xBB, 0xAF, 0xF7, 0x3E]
+
+ firmware = open(target[0].path, "rb")
+ robin = open(target[0].dir.path +'/mksLite.bin', "wb")
+ length = os.path.getsize(target[0].path)
+ position = 0
+ try:
+ while position < length:
+ byte = firmware.read(1)
+ if position >= 320 and position < 31040:
+ byte = chr(ord(byte) ^ key[position & 31])
+ robin.write(byte)
+ position += 1
+ finally:
+ firmware.close()
+ robin.close()
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);
diff --git a/platformio.ini b/platformio.ini
index 2b71e7522..27a5604b6 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -412,6 +412,27 @@ lib_ignore = c1921b4
TMC26XStepper
U8glib-HAL
+#
+# MKS ROBIN LITE/LITE2 (STM32F103RCT6)
+#
+[env:mks_robin_lite]
+platform = ststm32
+framework = arduino
+board = genericSTM32F103RC
+extra_scripts = buildroot/share/PlatformIO/scripts/mks_robin_lite.py
+build_flags = !python Marlin/src/HAL/HAL_STM32F1/STM32F1_flag_script.py
+ ${common.build_flags} -std=gnu++14
+build_unflags = -std=gnu++11
+src_filter = ${common.default_src_filter} +
+lib_deps = ${common.lib_deps}
+lib_ignore = c1921b4
+ libf3c
+ lib066
+ Adafruit NeoPixel_ID28
+ Adafruit NeoPixel
+ libf3e
+ TMC26XStepper
+
#
# MKS Robin Mini (STM32F103VET6)
#