Initial Longer3D LK1/2 (Alfawise U20/U20+/U30) support (#14597)

.travis.yml

@@ -24,6 +24,7 @@ env:
   - TEST_PLATFORM="teensy35"
   - TEST_PLATFORM="linux_native"
   - TEST_PLATFORM="esp32"
+  - TEST_PLATFORM="alfawise_U20"
 
 addons:
   apt:

Marlin/src/core/boards.h

@@ -264,6 +264,7 @@
 #define BOARD_JGAURORA_A5S_A1         4010  // JGAurora A5S A1 (STM32F103ZET6)
 #define BOARD_FYSETC_AIO_II           4011  // FYSETC AIO_II
 #define BOARD_FYSETC_CHEETAH          4012  // FYSETC CHEETAH
+#define BOARD_LONGER3D_LK             4013  // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
 
 //
 // ARM Cortex-M4F

Marlin/src/module/temperature.cpp

@@ -1540,7 +1540,11 @@ void Temperature::updateTemperaturesFromRawValues() {
 #endif
 
 // Init fans according to whether they're native PWM or Software PWM
-#define _INIT_SOFT_FAN(P) OUT_WRITE(P, FAN_INVERTING ? LOW : HIGH)
+#ifdef ALFAWISE_UX0
+  #define _INIT_SOFT_FAN(P) OUT_WRITE_OD(P, FAN_INVERTING ? LOW : HIGH)
+#else
+  #define _INIT_SOFT_FAN(P) OUT_WRITE(P, FAN_INVERTING ? LOW : HIGH)
+#endif
 #if ENABLED(FAN_SOFT_PWM)
   #define _INIT_FAN_PIN(P) _INIT_SOFT_FAN(P)
 #else
@@ -1563,7 +1567,6 @@ void Temperature::updateTemperaturesFromRawValues() {
   #define INIT_CHAMBER_AUTO_FAN_PIN(P) SET_OUTPUT(P)
 #endif
 
-
 /**
  * Initialize the temperature manager
  * The manager is implemented by periodic calls to manage_heater()
@@ -1590,8 +1593,13 @@ void Temperature::init() {
   #endif
 
   #if HAS_HEATER_0
+    #ifdef ALFAWISE_UX0
+      OUT_WRITE_OD(HEATER_0_PIN, HEATER_0_INVERTING);
+    #else
       OUT_WRITE(HEATER_0_PIN, HEATER_0_INVERTING);
     #endif
+  #endif
+
   #if HAS_HEATER_1
     OUT_WRITE(HEATER_1_PIN, HEATER_1_INVERTING);
   #endif
@@ -1607,9 +1615,15 @@ void Temperature::init() {
   #if HAS_HEATER_5
     OUT_WRITE(HEATER_5_PIN, HEATER_5_INVERTING);
   #endif
+
   #if HAS_HEATED_BED
+    #ifdef ALFAWISE_UX0
+      OUT_WRITE_OD(HEATER_BED_PIN, HEATER_BED_INVERTING);
+    #else
       OUT_WRITE(HEATER_BED_PIN, HEATER_BED_INVERTING);
     #endif
+  #endif
+
   #if HAS_HEATED_CHAMBER
     OUT_WRITE(HEATER_CHAMBER_PIN, HEATER_CHAMBER_INVERTING);
   #endif

Marlin/src/pins/pins.h

@@ -450,6 +450,8 @@
   #include "stm32/pins_CHITU3D.h"               // STM32F1                                env:STM32F1
 #elif MB(GTM32_PRO_VB)
   #include "stm32/pins_GTM32_PRO_VB.h"          // STM32F1                                env:STM32F1
+#elif MB(LONGER3D_LK)
+  #include "stm32/pins_LONGER3D_LK.h"           // STM32F1                                env:alfawise_U20
 #elif MB(MORPHEUS)
   #include "stm32/pins_MORPHEUS.h"              // STM32F1                                env:STM32F1
 #elif MB(MKS_ROBIN)

Marlin/src/pins/stm32/pins_LONGER3D_LK.h

@@ -0,0 +1,160 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * ALFAWISE U30 (STM32F103VET6) board pin assignments
+ */
+
+#if !defined(__STM32F1__) && !defined(STM32F1xx)
+  #error "Oops! Select a STM32F1 board in 'Tools > Board.'"
+#elif HOTENDS > 1 || E_STEPPERS > 1
+  #error "LONGER3D only supports 1 hotend / E-stepper. Comment out this line to continue."
+#endif
+
+#define BOARD_NAME "Longer3D"
+#define ALFAWISE_UX0             // Common to all Alfawise STM32F1 boards
+
+                                 //  Release PB4 (STEP_X_PIN) from JTAG NRST role.
+//#define DISABLE_DEBUG          //  > Hobi : We still want to debug with STLINK...
+#define DISABLE_JTAG             //  we free the jtag pins (PA15) but keep STLINK
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN         PC1   // pin 16
+//#define X_MAX_PIN        PC0   // pin 15 Used as filament sensor on Alfawise setup
+#define Y_MIN_PIN          PC15  // pin 9
+//#define Y_MAX_PIN        PC14  // pin 8 Unused in stock Alfawise setup
+#define Z_MIN_PIN          PE6   // pin 5 Standard Endstop or Z_Probe endstop function
+//#define Z_MAX_PIN        PE5   // pin 4 Unused in stock Alfawise setup
+                                 // May be used for BLTouch Servo function on older variants (<= V08)
+//
+// Steppers
+//
+#define X_ENABLE_PIN       PB5   // pin 91
+#define X_STEP_PIN         PB4   // pin 90
+#define X_DIR_PIN          PB3   // pin 89
+
+#define Y_ENABLE_PIN       PB8   // pin 95
+#define Y_STEP_PIN         PB7   // pin 93
+#define Y_DIR_PIN          PB6   // pin 92
+
+#define Z_ENABLE_PIN       PE1   // pin 98
+#define Z_STEP_PIN         PE0   // pin 97
+#define Z_DIR_PIN          PB9   // pin 96
+
+#define E0_ENABLE_PIN      PE4   // pin 3
+#define E0_STEP_PIN        PE3   // pin 2
+#define E0_DIR_PIN         PE2   // pin 1
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN         PA0   // pin 23 (Nozzle 100K/3950 thermistor)
+#define TEMP_BED_PIN       PA1   // pin 24 (Hot Bed 100K/3950 thermistor)
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       PD3   // pin 84 (Nozzle Heat Mosfet)
+#define HEATER_BED_PIN     PA8   // pin 67 (Hot Bed Mosfet)
+
+#define FAN_PIN            PA15  // pin 77 (4cm Fan)
+#define FAN_SOFT_PWM             // Required to avoid issues with heating or STLink
+#define FAN_MIN_PWM        35    // Fan will not start in 1-30 range
+#define FAN_MAX_PWM       255
+
+// Filament Sensor
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN   PC0   // XMAX plug on PCB used as filament runout sensor on Alfawise boards (inverting true)
+#endif
+
+//#define BEEPER_PIN       PD13  // pin 60 (Servo PWM output 5V/GND on Board V0G+) made for BL-Touch sensor
+                                 // Can drive a PC Buzzer, if connected between PWM and 5V pins
+
+#define LED_PIN            PC2   // pin 17
+
+//
+// PWM
+//
+//#define NUM_SERVOS        1
+//#define SERVO0_TIMER_NUM  1 // General or Adv. timer to use for the servo PWM (2 & 5 are reserved)
+
+#define SERVO0_PWM_OD
+#define SERVO0_PIN         PD13  // Open drain PWM pin on the V0G (GND or floating 5V)
+
+//#define SERVO0_PIN         PE5   // Pulled up PWM pin on the V08 (3.3V or 0)
+
+/**
+ * Note: Alfawise screens use various TFT controllers. Supported screens
+ * are based on the ILI9342, ILI9328 and ST7798V. Define init sequences for
+ * other screens in u8g_dev_tft_320x240_upscale_from_128x64.cpp
+ *
+ * If the screen stays white, disable 'LCD_RESET_PIN' to let the bootloader
+ * init the screen.
+ *
+ * Setting an 'LCD_RESET_PIN' may cause a flicker when entering the LCD menu
+ * because Marlin uses the reset as a failsafe to revive a glitchy LCD.
+ */
+#pragma once
+
+#define LCD_RESET_PIN      PC4   // pin 33
+#define LCD_BACKLIGHT_PIN  PD12  // pin 59
+#define FSMC_CS_PIN        PD7   // pin 88 = FSMC_NE1
+#define FSMC_RS_PIN        PD11  // pin 58 A16 Register. Only one address needed
+
+#define LCD_USE_DMA_FSMC   // Use DMA transfers to send data to the TFT
+#define FSMC_DMA_DEV       DMA2
+#define FSMC_DMA_CHANNEL   DMA_CH5
+
+#define DOGLCD_MOSI -1  // Prevent auto-define by Conditionals_post.h
+#define DOGLCD_SCK  -1
+
+/**
+ * Note: Alfawise U20/U30 boards DON'T use SPI2, as the hardware designer
+ * mixed up MOSI and MISO pins. SPI is managed in SW, and needs pins
+ * declared below.
+ */
+#if ENABLED(TOUCH_BUTTONS)
+  #define TOUCH_CS_PIN     PB12  // pin 51 SPI2_NSS
+  #define TOUCH_SCK_PIN    PB13  // pin 52
+  #define TOUCH_MOSI_PIN   PB14  // pin 53
+  #define TOUCH_MISO_PIN   PB15  // pin 54
+  #define TOUCH_INT_PIN    PC6   // pin 63 (PenIRQ coming from ADS7843)
+
+  #define BTN_ENC          PB0   // pin 35 unconnected pin on Alfawise. (PC13 to try)
+  #define BTN_EN1          -1    // Real pin is needed to enable encoder's push button
+  #define BTN_EN2          -1    // functionality used by touch screen
+#endif
+
+//
+// SPI1 (EEPROM W25Q64 + DAC OUT)
+//
+
+#undef E2END
+#define E2END             0x7FF // EEPROM end address (reserve 2kB on sd/sram, real spi one is 8MB/64Mbits)
+/*
+#define SPI_EEPROM        1   // If commented this will create a file on the SD card as a replacement
+#define SPI_CHAN_EEPROM1  1
+#define SPI_EEPROM1_CS       PC5 // pin 34
+
+//#define EEPROM_SCK  BOARD_SPI1_SCK_PIN   // PA5 pin 30
+//#define EEPROM_MISO BOARD_SPI1_MISO_PIN  // PA6 pin 31
+//#define EEPROM_MOSI BOARD_SPI1_MOSI_PIN  // PA7 pin 32
+*/

Marlin/src/pins/stm32/pins_MKS_ROBIN.h

@@ -109,11 +109,15 @@
 #define LED_PIN            PB2
 
 /**
- * Note: MKS Robin TFT screens may have different TFT controllers
+ * Note: MKS Robin TFT screens use various TFT controllers. Supported screens
- * If the screen stays white, disable 'LCD_RESET_PIN' to rely on the bootloader to do screen initialization.
+ * are based on the ILI9342, ILI9328 and ST7798V. Define init sequences for
+ * other screens in u8g_dev_tft_320x240_upscale_from_128x64.cpp
  *
- * Enabling 'LCD_RESET_PIN' causes flickering when entering the LCD menu due to LCD controller reset.
+ * If the screen stays white, disable 'LCD_RESET_PIN'
- * Reset feature was designed to "revive the LCD if static electricity killed it."
+ * to let the bootloader init the screen.
+ *
+ * Setting an 'LCD_RESET_PIN' may cause a flicker when entering the LCD menu
+ * because Marlin uses the reset as a failsafe to revive a glitchy LCD.
  */
 //#define LCD_RESET_PIN      PF6
 #define LCD_BACKLIGHT_PIN  PG11

Marlin/src/pins/stm32/pins_MKS_ROBIN_MINI.h

@@ -101,8 +101,9 @@
 //#define LED_PIN            PB2
 
 /**
- * Note: MKS Robin TFT screens may have different TFT controllers
+ * Note: MKS Robin TFT screens use various TFT controllers.
- * If the screen stays white, disable 'LCD_RESET_PIN' to rely on the bootloader to do screen initialization.
+ * If the screen stays white, disable 'LCD_RESET_PIN'
+ * to let the bootloader init the screen.
  */
 #define LCD_RESET_PIN      PF6
 #define NO_LCD_REINIT             // Suppress LCD re-initialization

Marlin/src/pins/stm32/pins_MKS_ROBIN_NANO.h

@@ -103,8 +103,9 @@
 #define LED_PIN            PB2
 
 /**
- * Note: MKS Robin TFT screens may have different TFT controllers
+ * Note: MKS Robin TFT screens use various TFT controllers.
- * If the screen stays white, disable 'LCD_RESET_PIN' to rely on the bootloader to do screen initialization.
+ * If the screen stays white, disable 'LCD_RESET_PIN'
+ * to let the bootloader init the screen.
  */
 #define LCD_RESET_PIN      PF6
 #define NO_LCD_REINIT             // Suppress LCD re-initialization

buildroot/share/PlatformIO/ldscripts/alfawise_Ux0.ld

@@ -0,0 +1,14 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K - 40
+  rom (rx)  : ORIGIN = 0x08010000, LENGTH = 512K - 64K
+}
+
+/* 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

buildroot/share/PlatformIO/scripts/alfawise_Ux0.py

@@ -0,0 +1,26 @@
+Import("env")
+
+# Relocate firmware from 0x08000000 to 0x08010000
+for define in env['CPPDEFINES']:
+    if define[0] == "VECT_TAB_ADDR":
+        env['CPPDEFINES'].remove(define)
+env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08010000"))
+env.Replace(LDSCRIPT_PATH="buildroot/share/PlatformIO/ldscripts/alfawise_Ux0.ld")
+
+# Encrypt ${PROGNAME}.bin and save it as 'project.bin'
+def encrypt(source, target, env):
+    import os
+
+    firmware = open(target[0].path, "rb")
+    marlin_alfa = open(target[0].dir.path +'/project.bin', "wb")
+    length = os.path.getsize(target[0].path)
+    position = 0
+    try:
+        while position < length:
+            byte = firmware.read(1)
+            marlin_alfa.write(byte)
+            position += 1
+    finally:
+        firmware.close()
+        marlin_alfa.close()
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);

buildroot/share/tests/alfawise_U20-tests

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+#
+# Build tests for STM32F103VET6
+#
+
+# exit on first failure
+set -e
+
+use_example_configs Alfawise/U20
+opt_set MOTHERBOARD BOARD_LONGER3D_LK
+opt_set SERIAL_PORT 1
+exec_test $1 $2 "Full-featured U20 config"
+
+# cleanup
+restore_configs

config/examples/Alfawise/U20/_Statusscreen.h

@@ -0,0 +1,77 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Custom Status Screen bitmap
+ *
+ * Place this file in the root with your configuration files
+ * and enable CUSTOM_STATUS_SCREEN_IMAGE in Configuration.h.
+ *
+ * Use the Marlin Bitmap Converter to make your own:
+ * http://marlinfw.org/tools/u8glib/converter.html
+ */
+
+#pragma once
+
+//
+// Status Screen Logo bitmap
+//
+#define STATUS_LOGO_Y            0
+#define STATUS_LOGO_WIDTH       38
+
+static unsigned char status_logo_bmp[] PROGMEM = {
+  B11111111,B11111111,B11111111,B11111111,B11111100,
+  B10000000,B00000000,B00010000,B00000111,B11111100,
+  B10000000,B00000000,B00010000,B00000000,B11111100,
+  B10000000,B00000000,B00110000,B00000000,B01111100,
+  B10000000,B00000000,B00110000,B00000000,B00111100,
+  B10000000,B00000000,B01110000,B00000000,B00011100,
+  B11111111,B10000000,B01110000,B00000000,B00001100,
+  B11111111,B10000000,B11110000,B11100000,B00001100,
+  B11111111,B00000000,B11110000,B11111000,B00001100,
+  B11111111,B00000001,B11110000,B11111100,B00000100,
+  B11111110,B00000001,B11110000,B11010010,B00000100,
+  B11111110,B00000011,B11110000,B10101110,B00000100,
+  B11111100,B00000000,B11110000,B10101111,B00000100,
+  B11111100,B00000000,B00110000,B10000011,B00000100,
+  B11111000,B00000000,B00110000,B11111111,B00000100,
+  B11111000,B00000000,B00010000,B11111111,B00000100,
+  B11111111,B11100000,B00010000,B10111111,B00000100,
+  B11111111,B11110000,B00010000,B10101111,B00000100,
+  B11111111,B11110000,B00010000,B10101110,B00000100,
+  B11111111,B11110000,B00010000,B10000010,B00000100,
+  B10000011,B11110000,B00010000,B11111100,B00000100,
+  B10000001,B11110000,B00010000,B11111000,B00001100,
+  B10000001,B11100000,B00010000,B11100000,B00001100,
+  B10000000,B00000000,B00010000,B00000000,B00001100,
+  B10000000,B00000000,B00110000,B00000000,B00011100,
+  B11000000,B00000000,B00110000,B00000000,B00111100,
+  B11000000,B00000000,B01110000,B00000000,B01111100,
+  B11100000,B00000000,B11110000,B00000000,B11111100,
+  B11111000,B00000011,B11110000,B00000111,B11111100
+};
+
+//
+// Use default bitmaps
+//
+#define STATUS_HOTEND_ANIM
+#define STATUS_BED_ANIM
+#define STATUS_LOGO_X          0
+#define STATUS_HEATERS_X      50
+#define STATUS_BED_X          74

platformio.ini

@@ -367,6 +367,29 @@ lib_ignore  = Adafruit NeoPixel, c1921b4
 src_filter  = ${common.default_src_filter} +<src/HAL/HAL_STM32>
 monitor_speed = 250000
 
+#
+# Alfawise U20 (STM32F103VET6)
+#
+[env:alfawise_U20]
+platform      = ststm32
+framework     = arduino
+board         = genericSTM32F103VE
+monitor_speed = 250000
+extra_scripts = buildroot/share/PlatformIO/scripts/alfawise_Ux0.py
+build_flags   = !python Marlin/src/HAL/HAL_STM32F1/STM32F1_flag_script.py
+  ${common.build_flags} -std=gnu++14
+  -DSTM32F1xx -DU20 -DTS_V12
+build_unflags = -std=gnu++11 -DCONFIG_MAPLE_MINI_NO_DISABLE_DEBUG=1
+src_filter    = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
+lib_deps      = ${common.lib_deps}
+lib_ignore    = c1921b4
+  libf3c
+  lib066
+  Adafruit NeoPixel_ID28
+  Adafruit NeoPixel
+  libf3e
+  TMC26XStepper
+
 #
 # MKS Robin (STM32F103ZET6)
 #