Add JGAurora A5S and A1 (STM32F103ZET6) (#14291)

- Now compiles and works correctly with changes to HAL timers and watchdog.
- Does NOT include awesome work on touch screen function.
- Does have working LCD and SD-based EEPROM.

Marlin/src/core/boards.h

 #define BOARD_MORPHEUS         1806   // STM32F103C8/STM32F103CB Libmaple based stm32f1 controller
 #define BOARD_MKS_ROBIN        1808   // MKS Robin / STM32F103ZET6
 #define BOARD_BIGTREE_SKR_MINI_V1_1 1814 // STM32F103RC
+#define BOARD_JGAURORA_A5S_A1  1810   // JGAurora A5S A1 / STM32F103ZET6
 
 //
 // STM32 ARM Cortex-M4F

Marlin/src/pins/pins.h

   #include "pins_MORPHEUS.h"          // STM32F1                                    env:STM32F1
 #elif MB(MKS_ROBIN)
   #include "pins_MKS_ROBIN.h"         // STM32F1                                    env:mks_robin
+#elif MB(JGAURORA_A5S_A1)
+  #include "pins_JGAURORA_A5S_A1.h"   // STM32F1                                    env:JGAURORA_A5S_A1
 
 //
 // STM32 ARM Cortex-M4F

Marlin/src/pins/pins_JGAURORA_A5S_A1.h

+/**
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+ /**
+  * 2017 Victor Perez Marlin for stm32f1 test
+  * 2018 Modified by Pablo Crespo for Morpheus Board (https://github.com/pscrespo/Morpheus-STM32)
+  * 2019 Modified by Roberto Mariani & Samuel Pinches for JGAurora A5S & A1 Board.
+  */
+
+/**
+ * JGAurora A5S A1 Board pin assignments
+ */
+
+#ifndef __STM32F1__
+  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#endif
+
+#define BOARD_NAME "JGAurora A5S A1 board"
+
+// #define STM32_XL_DENSITY // required, but should be set by platformio flags, not here! (why? not sure.)
+
+//#define MCU_STM32F103ZE // not yet required
+
+// // I2C EEPROM with 64K of space - AT24C64
+// #define I2C_EEPROM
+// #define E2END 0x7FFF
+
+// Enable EEPROM Emulation for this board
+
+//#define FLASH_EEPROM_EMULATION 1
+//#define E2END  0xFFF //((uint32)(EEPROM_START_ADDRESS + EEPROM_PAGE_SIZE + EEPROM_PAGE_SIZE)) // 	 not 0xFFF
+//#define EEPROM_CHITCHAT
+//#define DEBUG_EEPROM_READWRITE
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN         PC6
+#define Y_STOP_PIN         PG8
+#define Z_STOP_PIN         PG7
+
+//
+// Steppers
+//
+#define X_STEP_PIN         PD6
+#define X_DIR_PIN          PD3
+#define X_ENABLE_PIN       PG9
+
+#define Y_STEP_PIN         PG12
+#define Y_DIR_PIN          PG11
+#define Y_ENABLE_PIN       PG13
+
+#define Z_STEP_PIN         PG15
+#define Z_DIR_PIN          PG14
+#define Z_ENABLE_PIN       PB8
+
+#define E0_STEP_PIN        PE2
+#define E0_DIR_PIN         PB9
+#define E0_ENABLE_PIN      PE3
+
+#define E1_STEP_PIN        PE5
+#define E1_DIR_PIN         PE4
+#define E1_ENABLE_PIN      PE6
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN         PC2
+#define TEMP_BED_PIN       PC1
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       PA2
+#define HEATER_BED_PIN     PA3
+
+#define FAN_PIN            PA1
+
+#define PS_ON_PIN          PA0
+#define FIL_RUNOUT_PIN     PC7
+
+//
+// LCD
+//
+#define LCD_BACKLIGHT_PIN  PF11
+#define FSMC_CS_PIN        PD7
+#define FSMC_RS_PIN        PG0
+
+//
+// SD Card
+//
+#define SD_DETECT_PIN      PF10
+
+//
+// Misc.
+//
+#define BEEPER_PIN         PC3    // use PB7 to shut up if desired
+#define LED_PIN            PC13
+
+// Touch support
+#define BTN_ENC            PA11   // Real pin is needed to enable encoder's push button functionality used by touch screen. PA11 gives stable value.
+
+#define TOUCH_CS           PA4
+//#define TOUCH_INTERRUPT    PC4    // Not yet implemented
+
+#define NO_PAUSE_AFTER_PRINT

buildroot/share/PlatformIO/ldscripts/jgaurora_a5s_a1.ld

+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 64K - 3K
+  rom (rx)  : ORIGIN = 0x0800A000, LENGTH = 512K - 40K
+}
+
+/* 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/jgaurora_a5s_a1_with_bootloader.py

+Import("env")
+
+# Relocate firmware from 0x08000000 to 0x0800A000
+env['CPPDEFINES'].remove(("VECT_TAB_ADDR", "0x8000000")) 
+#alternatively, for STSTM <=5.1.0 use line below
+#env['CPPDEFINES'].remove(("VECT_TAB_ADDR", 134217728))
+env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x0800A000"))
+env.Replace(LDSCRIPT_PATH="buildroot/share/PlatformIO/ldscripts/jgaurora_a5s_a1.ld")
+
+#append ${PROGNAME}.bin firmware after bootloader and save it as 'jgaurora_firmware.bin'
+def addboot(source,target,env):
+	import os	
+
+	firmware = open(target[0].path, "rb")
+	lengthfirmware = os.path.getsize(target[0].path)
+	bootloader_dir = "buildroot/share/PlatformIO/scripts/jgaurora_bootloader.bin"
+	bootloader = open(bootloader_dir, "rb")
+	lengthbootloader = os.path.getsize(bootloader_dir)
+	firmware_with_boothloader_dir = target[0].dir.path +'/firmware_with_bootloader.bin'
+	if os.path.exists(firmware_with_boothloader_dir):
+		os.remove(firmware_with_boothloader_dir)
+	firmwareimage = open(firmware_with_boothloader_dir, "wb")
+	position = 0
+	while position < lengthbootloader:
+		byte = bootloader.read(1)
+		firmwareimage.write(byte)
+		position += 1
+	position = 0
+	while position < lengthfirmware:
+		byte = firmware.read(1)
+		firmwareimage.write(byte)
+		position += 1	
+	bootloader.close()
+	firmware.close()
+	firmwareimage.close()
+	firmware_without_bootloader_dir = target[0].dir.path+'/firmware_for_sd_upload.bin'
+	if os.path.exists(firmware_without_bootloader_dir):
+		os.remove(firmware_without_bootloader_dir)
+	os.rename(target[0].path, firmware_without_bootloader_dir)
+	#os.rename(target[0].dir.path+'/firmware_with_bootloader.bin', target[0].dir.path+'/firmware.bin') 
+
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", addboot);
+

platformio.ini

   U8glib-HAL
 
 #
+# JGAurora A5S A1 (STM32F103ZET6)
+#
+[env:JGAURORA_A5S_A1]
+platform      = ststm32@5.3.0
+framework     = arduino
+board         = genericSTM32F103ZE
+extra_scripts = buildroot/share/PlatformIO/scripts/jgaurora_a5s_a1_with_bootloader.py
+build_flags   = !python Marlin/src/HAL/HAL_STM32F1/STM32F1_flag_script.py
+  ${common.build_flags} -DSTM32_XL_DENSITY
+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
+lib_ldf_mode  = 1
+monitor_speed = 250000
+
+#
 # STM32F407VET6 with RAMPS-like shield
 # 'Black' STM32F407VET6 board - http://wiki.stm32duino.com/index.php?title=STM32F407
 # Shield - https://github.com/jmz52/Hardware