🔨 Newer PlatformIO support

Marlin/Version.h

@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.9.5"
+//#define SHORT_BUILD_VERSION "2.0.9.6"
 
 /**
  * Verbose version identifier which should contain a reference to the location
@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2022-07-29"
+//#define STRING_DISTRIBUTION_DATE "2023-03-25"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.

Marlin/config.ini

@@ -0,0 +1,211 @@
+#
+# Marlin Firmware
+# config.ini - Options to apply before the build
+#
+[config:base]
+ini_use_config                           = none
+
+# Load all config: sections in this file
+;ini_use_config                          = all
+# Load config file relative to Marlin/
+;ini_use_config                          = another.ini
+# Download configurations from GitHub
+;ini_use_config                          = example/Creality/Ender-5 Plus @ bugfix-2.1.x
+# Download configurations from your server
+;ini_use_config                          = https://me.myserver.com/path/to/configs
+# Evaluate config:base and do a config dump
+;ini_use_config                          = base
+;config_export                           = 2
+
+[config:minimal]
+motherboard                              = BOARD_RAMPS_14_EFB
+serial_port                              = 0
+baudrate                                 = 250000
+
+use_watchdog                             = on
+thermal_protection_hotends               = on
+thermal_protection_hysteresis            = 4
+thermal_protection_period                = 40
+
+bufsize                                  = 4
+block_buffer_size                        = 16
+max_cmd_size                             = 96
+
+extruders                                = 1
+temp_sensor_0                            = 1
+
+temp_hysteresis                          = 3
+heater_0_mintemp                         = 5
+heater_0_maxtemp                         = 275
+preheat_1_temp_hotend                    = 180
+
+bang_max                                 = 255
+pidtemp                                  = on
+pid_k1                                   = 0.95
+pid_max                                  = BANG_MAX
+pid_functional_range                     = 10
+
+default_kp                               = 22.20
+default_ki                               = 1.08
+default_kd                               = 114.00
+
+x_driver_type                            = A4988
+y_driver_type                            = A4988
+z_driver_type                            = A4988
+e0_driver_type                           = A4988
+
+x_bed_size                               = 200
+x_min_pos                                = 0
+x_max_pos                                = X_BED_SIZE
+
+y_bed_size                               = 200
+y_min_pos                                = 0
+y_max_pos                                = Y_BED_SIZE
+
+z_min_pos                                = 0
+z_max_pos                                = 200
+
+x_home_dir                               = -1
+y_home_dir                               = -1
+z_home_dir                               = -1
+
+use_xmin_plug                            = on
+use_ymin_plug                            = on
+use_zmin_plug                            = on
+
+x_min_endstop_inverting                  = false
+y_min_endstop_inverting                  = false
+z_min_endstop_inverting                  = false
+
+default_axis_steps_per_unit              = { 80, 80, 400, 500 }
+axis_relative_modes                      = { false, false, false, false }
+default_max_feedrate                     = { 300, 300, 5, 25 }
+default_max_acceleration                 = { 3000, 3000, 100, 10000 }
+
+homing_feedrate_mm_m                     = { (50*60), (50*60), (4*60) }
+homing_bump_divisor                      = { 2, 2, 4 }
+
+x_enable_on                              = 0
+y_enable_on                              = 0
+z_enable_on                              = 0
+e_enable_on                              = 0
+
+invert_x_dir                             = false
+invert_y_dir                             = true
+invert_z_dir                             = false
+invert_e0_dir                            = false
+
+invert_e_step_pin                        = false
+invert_x_step_pin                        = false
+invert_y_step_pin                        = false
+invert_z_step_pin                        = false
+
+disable_x                                = false
+disable_y                                = false
+disable_z                                = false
+disable_e                                = false
+
+proportional_font_ratio                  = 1.0
+default_nominal_filament_dia             = 1.75
+
+junction_deviation_mm                    = 0.013
+
+default_acceleration                     = 3000
+default_travel_acceleration              = 3000
+default_retract_acceleration             = 3000
+
+default_minimumfeedrate                  = 0.0
+default_mintravelfeedrate                = 0.0
+
+minimum_planner_speed                    = 0.05
+min_steps_per_segment                    = 6
+default_minsegmenttime                   = 20000
+
+[config:basic]
+bed_overshoot                            = 10
+busy_while_heating                       = on
+default_ejerk                            = 5.0
+default_keepalive_interval               = 2
+default_leveling_fade_height             = 0.0
+disable_inactive_extruder                = on
+display_charset_hd44780                  = JAPANESE
+eeprom_boot_silent                       = on
+eeprom_chitchat                          = on
+endstoppullups                           = on
+extrude_maxlength                        = 200
+extrude_mintemp                          = 170
+host_keepalive_feature                   = on
+hotend_overshoot                         = 15
+jd_handle_small_segments                 = on
+lcd_info_screen_style                    = 0
+lcd_language                             = en
+max_bed_power                            = 255
+mesh_inset                               = 0
+min_software_endstops                    = on
+max_software_endstops                    = on
+min_software_endstop_x                   = on
+min_software_endstop_y                   = on
+min_software_endstop_z                   = on
+max_software_endstop_x                   = on
+max_software_endstop_y                   = on
+max_software_endstop_z                   = on
+preheat_1_fan_speed                      = 0
+preheat_1_label                          = "PLA"
+preheat_1_temp_bed                       = 70
+prevent_cold_extrusion                   = on
+prevent_lengthy_extrude                  = on
+printjob_timer_autostart                 = on
+probing_margin                           = 10
+show_bootscreen                          = on
+soft_pwm_scale                           = 0
+string_config_h_author                   = "(none, default config)"
+temp_bed_hysteresis                      = 3
+temp_bed_residency_time                  = 10
+temp_bed_window                          = 1
+temp_residency_time                      = 10
+temp_window                              = 1
+validate_homing_endstops                 = on
+xy_probe_feedrate                        = (133*60)
+z_clearance_between_probes               = 5
+z_clearance_deploy_probe                 = 10
+z_clearance_multi_probe                  = 5
+
+[config:advanced]
+arc_support                              = on
+auto_report_temperatures                 = on
+autotemp                                 = on
+autotemp_oldweight                       = 0.98
+bed_check_interval                       = 5000
+default_stepper_deactive_time            = 120
+default_volumetric_extruder_limit        = 0.00
+disable_inactive_e                       = true
+disable_inactive_x                       = true
+disable_inactive_y                       = true
+disable_inactive_z                       = true
+e0_auto_fan_pin                          = -1
+encoder_100x_steps_per_sec               = 80
+encoder_10x_steps_per_sec                = 30
+encoder_rate_multiplier                  = on
+extended_capabilities_report             = on
+extruder_auto_fan_speed                  = 255
+extruder_auto_fan_temperature            = 50
+fanmux0_pin                              = -1
+fanmux1_pin                              = -1
+fanmux2_pin                              = -1
+faster_gcode_parser                      = on
+homing_bump_mm                           = { 5, 5, 2 }
+max_arc_segment_mm                       = 1.0
+min_arc_segment_mm                       = 0.1
+min_circle_segments                      = 72
+n_arc_correction                         = 25
+serial_overrun_protection                = on
+slowdown                                 = on
+slowdown_divisor                         = 2
+temp_sensor_bed                          = 0
+thermal_protection_bed_hysteresis        = 2
+thermocouple_max_errors                  = 15
+tx_buffer_size                           = 0
+watch_bed_temp_increase                  = 2
+watch_bed_temp_period                    = 60
+watch_temp_increase                      = 2
+watch_temp_period                        = 20

Marlin/src/HAL/LPC1768/upload_extra_script.py

@@ -12,7 +12,7 @@ if pioutil.is_pio_build():
     target_filename = "FIRMWARE.CUR"
     target_drive = "REARM"
 
-    import os,getpass,platform
+    import platform
 
     current_OS = platform.system()
     Import("env")
@@ -26,6 +26,7 @@ if pioutil.is_pio_build():
 
     def before_upload(source, target, env):
         try:
+            from pathlib import Path
             #
             # Find a disk for upload
             #
@@ -38,6 +39,7 @@ if pioutil.is_pio_build():
                 #   Windows - doesn't care about the disk's name, only cares about the drive letter
                 import subprocess,string
                 from ctypes import windll
+                from pathlib import PureWindowsPath
 
                 # getting list of drives
                 # https://stackoverflow.com/questions/827371/is-there-a-way-to-list-all-the-available-drive-letters-in-python
@@ -49,7 +51,7 @@ if pioutil.is_pio_build():
                     bitmask >>= 1
 
                 for drive in drives:
-                    final_drive_name = drive + ':\\'
+                    final_drive_name = drive + ':'
                     # print ('disc check: {}'.format(final_drive_name))
                     try:
                         volume_info = str(subprocess.check_output('cmd /C dir ' + final_drive_name, stderr=subprocess.STDOUT))
@@ -59,29 +61,33 @@ if pioutil.is_pio_build():
                     else:
                         if target_drive in volume_info and not target_file_found:  # set upload if not found target file yet
                             target_drive_found = True
-                            upload_disk = final_drive_name
+                            upload_disk = PureWindowsPath(final_drive_name)
                         if target_filename in volume_info:
                             if not target_file_found:
-                                upload_disk = final_drive_name
+                                upload_disk = PureWindowsPath(final_drive_name)
                             target_file_found = True
 
             elif current_OS == 'Linux':
                 #
                 # platformio.ini will accept this for a Linux upload port designation: 'upload_port = /media/media_name/drive'
                 #
-                drives = os.listdir(os.path.join(os.sep, 'media', getpass.getuser()))
+                import getpass
+                user = getpass.getuser()
+                mpath = Path('/media', user)
+                drives = [ x for x in mpath.iterdir() if x.is_dir() ]
                 if target_drive in drives:  # If target drive is found, use it.
                     target_drive_found = True
-                    upload_disk = os.path.join(os.sep, 'media', getpass.getuser(), target_drive) + os.sep
+                    upload_disk = mpath / target_drive
                 else:
                     for drive in drives:
                         try:
-                            files = os.listdir(os.path.join(os.sep, 'media', getpass.getuser(), drive))
+                            fpath = mpath / drive
+                            filenames = [ x.name for x in fpath.iterdir() if x.is_file() ]
                         except:
                             continue
                         else:
-                            if target_filename in files:
-                                upload_disk = os.path.join(os.sep, 'media', getpass.getuser(), drive) + os.sep
+                            if target_filename in filenames:
+                                upload_disk = mpath / drive
                                 target_file_found = True
                                 break
                 #
@@ -97,26 +103,28 @@ if pioutil.is_pio_build():
                 #
                 # platformio.ini will accept this for a OSX upload port designation: 'upload_port = /media/media_name/drive'
                 #
-                drives = os.listdir('/Volumes')  # human readable names
+                dpath = Path('/Volumes')  # human readable names
+                drives = [ x for x in dpath.iterdir() if x.is_dir() ]
                 if target_drive in drives and not target_file_found:  # set upload if not found target file yet
                     target_drive_found = True
-                    upload_disk = '/Volumes/' + target_drive + '/'
+                    upload_disk = dpath / target_drive
                 for drive in drives:
                     try:
-                        filenames = os.listdir('/Volumes/' + drive + '/')   # will get an error if the drive is protected
+                        fpath = dpath / drive   # will get an error if the drive is protected
+                        filenames = [ x.name for x in fpath.iterdir() if x.is_file() ]
                     except:
                         continue
                     else:
                         if target_filename in filenames:
-                            if not target_file_found:
-                                upload_disk = '/Volumes/' + drive + '/'
+                            upload_disk = dpath / drive
                             target_file_found = True
+                            break
 
             #
             # Set upload_port to drive if found
             #
             if target_file_found or target_drive_found:
-                env.Replace(UPLOAD_PORT=upload_disk)
+                env.Replace(UPLOAD_PORT=str(upload_disk))
                 print('\nUpload disk: ', upload_disk, '\n')
             else:
                 print_error('Autodetect Error')

Marlin/src/inc/Version.h

@@ -25,7 +25,7 @@
  * Release version. Leave the Marlin version or apply a custom scheme.
  */
 #ifndef SHORT_BUILD_VERSION
-  #define SHORT_BUILD_VERSION "2.0.9.5"
+  #define SHORT_BUILD_VERSION "2.0.9.6"
 #endif
 
 /**
@@ -42,7 +42,7 @@
  * version was tagged.
  */
 #ifndef STRING_DISTRIBUTION_DATE
-  #define STRING_DISTRIBUTION_DATE "2022-07-29"
+  #define STRING_DISTRIBUTION_DATE "2023-03-25"
 #endif
 
 /**

buildroot/bin/use_example_configs

@@ -5,7 +5,7 @@
 # Examples:
 #   use_example_configs
 #   use_example_configs Creality/CR-10/CrealityV1
-#   use_example_configs release-2.0.9.5:Creality/CR-10/CrealityV1
+#   use_example_configs release-2.0.9.6:Creality/CR-10/CrealityV1
 #
 # If a configpath has spaces (or quotes) escape them or enquote the path
 #

buildroot/share/PlatformIO/scripts/STM32F103RC_MEEB_3DP.py

@@ -4,7 +4,6 @@
 import pioutil
 if pioutil.is_pio_build():
 
-    import os
     Import("env", "projenv")
 
     flash_size = 0

buildroot/share/PlatformIO/scripts/STM32F103RC_fysetc.py

@@ -3,7 +3,6 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os
     from os.path import join
     from os.path import expandvars
     Import("env")

buildroot/share/PlatformIO/scripts/STM32F1_create_variant.py

@@ -3,30 +3,29 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,shutil,marlin
-    from SCons.Script import DefaultEnvironment
-    from platformio import util
+    import shutil,marlin
+    from pathlib import Path
 
-    env = DefaultEnvironment()
+    Import("env")
     platform = env.PioPlatform()
     board = env.BoardConfig()
 
-    FRAMEWORK_DIR = platform.get_package_dir("framework-arduinoststm32-maple")
-    assert os.path.isdir(FRAMEWORK_DIR)
+    FRAMEWORK_DIR = Path(platform.get_package_dir("framework-arduinoststm32-maple"))
+    assert FRAMEWORK_DIR.is_dir()
 
-    source_root = os.path.join("buildroot", "share", "PlatformIO", "variants")
-    assert os.path.isdir(source_root)
+    source_root = Path("buildroot/share/PlatformIO/variants")
+    assert source_root.is_dir()
 
     variant = board.get("build.variant")
-    variant_dir = os.path.join(FRAMEWORK_DIR, "STM32F1", "variants", variant)
+    variant_dir = FRAMEWORK_DIR / "STM32F1/variants" / variant
 
-    source_dir = os.path.join(source_root, variant)
-    assert os.path.isdir(source_dir)
+    source_dir = source_root / variant
+    assert source_dir.is_dir()
 
-    if os.path.isdir(variant_dir):
+    if variant_dir.is_dir():
         shutil.rmtree(variant_dir)
 
-    if not os.path.isdir(variant_dir):
-        os.mkdir(variant_dir)
+    if not variant_dir.is_dir():
+        variant_dir.mkdir()
 
     marlin.copytree(source_dir, variant_dir)

buildroot/share/PlatformIO/scripts/chitu_crypt.py

@@ -4,9 +4,9 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,random,struct,uuid,marlin
-    # Relocate firmware from 0x08000000 to 0x08008800
-    marlin.relocate_firmware("0x08008800")
+    import struct,uuid,marlin
+
+    board = marlin.env.BoardConfig()
 
     def calculate_crc(contents, seed):
         accumulating_xor_value = seed;
@@ -105,13 +105,22 @@ if pioutil.is_pio_build():
 
     # Encrypt ${PROGNAME}.bin and save it as 'update.cbd'
     def encrypt(source, target, env):
-        firmware = open(target[0].path, "rb")
-        update = open(target[0].dir.path + '/update.cbd', "wb")
-        length = os.path.getsize(target[0].path)
+        from pathlib import Path
 
-        encrypt_file(firmware, update, length)
+        fwpath = Path(target[0].path)
+        fwsize = fwpath.stat().st_size
 
-        firmware.close()
-        update.close()
+        enname = board.get("build.crypt_chitu")
+        enpath = Path(target[0].dir.path)
 
+        fwfile = fwpath.open("rb")
+        enfile = (enpath / enname).open("wb")
+
+        print(f"Encrypting {fwpath} to {enname}")
+        encrypt_file(fwfile, enfile, fwsize)
+        fwfile.close()
+        enfile.close()
+        fwpath.unlink()
+
+    marlin.relocate_firmware("0x08008800")
     marlin.add_post_action(encrypt);

buildroot/share/PlatformIO/scripts/common-cxxflags.py

@@ -2,6 +2,7 @@
 # common-cxxflags.py
 # Convenience script to apply customizations to CPP flags
 #
+
 import pioutil
 if pioutil.is_pio_build():
     Import("env")
@@ -12,7 +13,7 @@ if pioutil.is_pio_build():
         # "-Wno-maybe-uninitialized",
         # "-Wno-sign-compare"
     ]
-    if "teensy" not in env['PIOENV']:
+    if "teensy" not in env["PIOENV"]:
         cxxflags += ["-Wno-register"]
     env.Append(CXXFLAGS=cxxflags)
 
@@ -20,8 +21,8 @@ if pioutil.is_pio_build():
     # Add CPU frequency as a compile time constant instead of a runtime variable
     #
     def add_cpu_freq():
-        if 'BOARD_F_CPU' in env:
-            env['BUILD_FLAGS'].append('-DBOARD_F_CPU=' + env['BOARD_F_CPU'])
+        if "BOARD_F_CPU" in env:
+            env["BUILD_FLAGS"].append("-DBOARD_F_CPU=" + env["BOARD_F_CPU"])
 
     # Useful for JTAG debugging
     #
@@ -29,8 +30,14 @@ if pioutil.is_pio_build():
     # It useful to keep two live versions: a debug version for debugging and another for
     # release, for flashing when upload is not done automatically by jlink/stlink.
     # Without this, PIO needs to recompile everything twice for any small change.
-    if env.GetBuildType() == "debug" and env.get('UPLOAD_PROTOCOL') not in ['jlink', 'stlink', 'custom']:
-        env['BUILD_DIR'] = '$PROJECT_BUILD_DIR/$PIOENV/debug'
+    if env.GetBuildType() == "debug" and env.get("UPLOAD_PROTOCOL") not in ["jlink", "stlink", "custom"]:
+        env["BUILD_DIR"] = "$PROJECT_BUILD_DIR/$PIOENV/debug"
+
+        def on_program_ready(source, target, env):
+            import shutil
+            shutil.copy(target[0].get_abspath(), env.subst("$PROJECT_BUILD_DIR/$PIOENV"))
+
+        env.AddPostAction("$PROGPATH", on_program_ready)
 
     # On some platform, F_CPU is a runtime variable. Since it's used to convert from ns
     # to CPU cycles, this adds overhead preventing small delay (in the order of less than

buildroot/share/PlatformIO/scripts/common-dependencies.py

@@ -67,6 +67,7 @@ if pioutil.is_pio_build():
                 for dep in re.split(r',\s*', line):
                     lib_name = re.sub(r'@([~^]|[<>]=?)?[\d.]+', '', dep.strip()).split('=').pop(0)
                     lib_re = re.compile('(?!^' + lib_name + '\\b)')
+                    if not 'lib_deps' in feat: feat['lib_deps'] = {}
                     feat['lib_deps'] = list(filter(lib_re.match, feat['lib_deps'])) + [dep]
                     blab("[%s] lib_deps = %s" % (feature, dep), 3)
 

buildroot/share/PlatformIO/scripts/configuration.py

@@ -0,0 +1,240 @@
+#
+# configuration.py
+# Apply options from config.ini to the existing Configuration headers
+#
+import re, shutil, configparser
+from pathlib import Path
+
+verbose = 0
+def blab(str,level=1):
+    if verbose >= level: print(f"[config] {str}")
+
+def config_path(cpath):
+    return Path("Marlin", cpath, encoding='utf-8')
+
+# Apply a single name = on/off ; name = value ; etc.
+# TODO: Limit to the given (optional) configuration
+def apply_opt(name, val, conf=None):
+    if name == "lcd": name, val = val, "on"
+
+    # Create a regex to match the option and capture parts of the line
+    regex = re.compile(rf'^(\s*)(//\s*)?(#define\s+)({name}\b)(\s*)(.*?)(\s*)(//.*)?$', re.IGNORECASE)
+
+    # Find and enable and/or update all matches
+    for file in ("Configuration.h", "Configuration_adv.h"):
+        fullpath = config_path(file)
+        lines = fullpath.read_text(encoding='utf-8').split('\n')
+        found = False
+        for i in range(len(lines)):
+            line = lines[i]
+            match = regex.match(line)
+            if match and match[4].upper() == name.upper():
+                found = True
+                # For boolean options un/comment the define
+                if val in ("on", "", None):
+                    newline = re.sub(r'^(\s*)//+\s*(#define)(\s{1,3})?(\s*)', r'\1\2 \4', line)
+                elif val == "off":
+                    newline = re.sub(r'^(\s*)(#define)(\s{1,3})?(\s*)', r'\1//\2 \4', line)
+                else:
+                    # For options with values, enable and set the value
+                    newline = match[1] + match[3] + match[4] + match[5] + val
+                    if match[8]:
+                        sp = match[7] if match[7] else ' '
+                        newline += sp + match[8]
+                lines[i] = newline
+                blab(f"Set {name} to {val}")
+
+        # If the option was found, write the modified lines
+        if found:
+            fullpath.write_text('\n'.join(lines), encoding='utf-8')
+            break
+
+    # If the option didn't appear in either config file, add it
+    if not found:
+        # OFF options are added as disabled items so they appear
+        # in config dumps. Useful for custom settings.
+        prefix = ""
+        if val == "off":
+            prefix, val = "//", ""  # Item doesn't appear in config dump
+            #val = "false"          # Item appears in config dump
+
+        # Uppercase the option unless already mixed/uppercase
+        added = name.upper() if name.islower() else name
+
+        # Add the provided value after the name
+        if val != "on" and val != "" and val is not None:
+            added += " " + val
+
+        # Prepend the new option after the first set of #define lines
+        fullpath = config_path("Configuration.h")
+        with fullpath.open(encoding='utf-8') as f:
+            lines = f.readlines()
+            linenum = 0
+            gotdef = False
+            for line in lines:
+                isdef = line.startswith("#define")
+                if not gotdef:
+                    gotdef = isdef
+                elif not isdef:
+                    break
+                linenum += 1
+            lines.insert(linenum, f"{prefix}#define {added:30} // Added by config.ini\n")
+            fullpath.write_text(''.join(lines), encoding='utf-8')
+
+# Fetch configuration files from GitHub given the path.
+# Return True if any files were fetched.
+def fetch_example(url):
+    if url.endswith("/"): url = url[:-1]
+    if not url.startswith('http'):
+        brch = "bugfix-2.1.x"
+        if '@' in url: url, brch = map(str.strip, url.split('@'))
+        if url == 'examples/default': url = 'default'
+        url = f"https://raw.githubusercontent.com/MarlinFirmware/Configurations/{brch}/config/{url}"
+    url = url.replace("%", "%25").replace(" ", "%20")
+
+    # Find a suitable fetch command
+    if shutil.which("curl") is not None:
+        fetch = "curl -L -s -S -f -o"
+    elif shutil.which("wget") is not None:
+        fetch = "wget -q -O"
+    else:
+        blab("Couldn't find curl or wget", -1)
+        return False
+
+    import os
+
+    # Reset configurations to default
+    os.system("git checkout HEAD Marlin/*.h")
+
+    # Try to fetch the remote files
+    gotfile = False
+    for fn in ("Configuration.h", "Configuration_adv.h", "_Bootscreen.h", "_Statusscreen.h"):
+        if os.system(f"{fetch} wgot {url}/{fn} >/dev/null 2>&1") == 0:
+            shutil.move('wgot', config_path(fn))
+            gotfile = True
+
+    if Path('wgot').exists(): shutil.rmtree('wgot')
+
+    return gotfile
+
+def section_items(cp, sectkey):
+    return cp.items(sectkey) if sectkey in cp.sections() else []
+
+# Apply all items from a config section
+def apply_ini_by_name(cp, sect):
+    iniok = True
+    if sect in ('config:base', 'config:root'):
+        iniok = False
+        items = section_items(cp, 'config:base') + section_items(cp, 'config:root')
+    else:
+        items = section_items(cp, sect)
+
+    for item in items:
+        if iniok or not item[0].startswith('ini_'):
+            apply_opt(item[0], item[1])
+
+# Apply all config sections from a parsed file
+def apply_all_sections(cp):
+    for sect in cp.sections():
+        if sect.startswith('config:'):
+            apply_ini_by_name(cp, sect)
+
+# Apply certain config sections from a parsed file
+def apply_sections(cp, ckey='all'):
+    blab(f"Apply section key: {ckey}")
+    if ckey == 'all':
+        apply_all_sections(cp)
+    else:
+        # Apply the base/root config.ini settings after external files are done
+        if ckey in ('base', 'root'):
+            apply_ini_by_name(cp, 'config:base')
+
+        # Apply historically 'Configuration.h' settings everywhere
+        if ckey == 'basic':
+            apply_ini_by_name(cp, 'config:basic')
+
+        # Apply historically Configuration_adv.h settings everywhere
+        # (Some of which rely on defines in 'Conditionals_LCD.h')
+        elif ckey in ('adv', 'advanced'):
+            apply_ini_by_name(cp, 'config:advanced')
+
+        # Apply a specific config:<name> section directly
+        elif ckey.startswith('config:'):
+            apply_ini_by_name(cp, ckey)
+
+# Apply settings from a top level config.ini
+def apply_config_ini(cp):
+    blab("=" * 20 + " Gather 'config.ini' entries...")
+
+    # Pre-scan for ini_use_config to get config_keys
+    base_items = section_items(cp, 'config:base') + section_items(cp, 'config:root')
+    config_keys = ['base']
+    for ikey, ival in base_items:
+        if ikey == 'ini_use_config':
+            config_keys = map(str.strip, ival.split(','))
+
+    # For each ini_use_config item perform an action
+    for ckey in config_keys:
+        addbase = False
+
+        # For a key ending in .ini load and parse another .ini file
+        if ckey.endswith('.ini'):
+            sect = 'base'
+            if '@' in ckey: sect, ckey = map(str.strip, ckey.split('@'))
+            cp2 = configparser.ConfigParser()
+            cp2.read(config_path(ckey))
+            apply_sections(cp2, sect)
+            ckey = 'base';
+
+        # (Allow 'example/' as a shortcut for 'examples/')
+        elif ckey.startswith('example/'):
+            ckey = 'examples' + ckey[7:]
+
+        # For 'examples/<path>' fetch an example set from GitHub.
+        # For https?:// do a direct fetch of the URL.
+        if ckey.startswith('examples/') or ckey.startswith('http'):
+            fetch_example(ckey)
+            ckey = 'base'
+
+        if ckey == 'all':
+            apply_sections(cp)
+
+        else:
+            # Apply keyed sections after external files are done
+            apply_sections(cp, 'config:' + ckey)
+
+if __name__ == "__main__":
+    #
+    # From command line use the given file name
+    #
+    import sys
+    args = sys.argv[1:]
+    if len(args) > 0:
+        if args[0].endswith('.ini'):
+            ini_file = args[0]
+        else:
+            print("Usage: %s <.ini file>" % sys.argv[0])
+    else:
+        ini_file = config_path('config.ini')
+
+    if ini_file:
+        user_ini = configparser.ConfigParser()
+        user_ini.read(ini_file)
+        apply_config_ini(user_ini)
+
+else:
+    #
+    # From within PlatformIO use the loaded INI file
+    #
+    import pioutil
+    if pioutil.is_pio_build():
+
+        Import("env")
+
+        try:
+            verbose = int(env.GetProjectOption('custom_verbose'))
+        except:
+            pass
+
+        from platformio.project.config import ProjectConfig
+        apply_config_ini(ProjectConfig())

buildroot/share/PlatformIO/scripts/download_mks_assets.py

@@ -5,45 +5,49 @@
 import pioutil
 if pioutil.is_pio_build():
     Import("env")
-    import os,requests,zipfile,tempfile,shutil
+    import requests,zipfile,tempfile,shutil
+    from pathlib import Path
 
     url = "https://github.com/makerbase-mks/Mks-Robin-Nano-Marlin2.0-Firmware/archive/0263cdaccf.zip"
-    deps_path = env.Dictionary("PROJECT_LIBDEPS_DIR")
-    zip_path = os.path.join(deps_path, "mks-assets.zip")
-    assets_path = os.path.join(env.Dictionary("PROJECT_BUILD_DIR"), env.Dictionary("PIOENV"), "assets")
+    deps_path = Path(env.Dictionary("PROJECT_LIBDEPS_DIR"))
+    zip_path = deps_path / "mks-assets.zip"
+    assets_path = Path(env.Dictionary("PROJECT_BUILD_DIR"), env.Dictionary("PIOENV"), "assets")
 
     def download_mks_assets():
         print("Downloading MKS Assets")
         r = requests.get(url, stream=True)
         # the user may have a very clean workspace,
         # so create the PROJECT_LIBDEPS_DIR directory if not exits
-        if os.path.exists(deps_path) == False:
-            os.mkdir(deps_path)
-        with open(zip_path, 'wb') as fd:
+        if not deps_path.exists():
+            deps_path.mkdir()
+        with zip_path.open('wb') as fd:
             for chunk in r.iter_content(chunk_size=128):
                 fd.write(chunk)
 
     def copy_mks_assets():
         print("Copying MKS Assets")
-        output_path = tempfile.mkdtemp()
+        output_path = Path(tempfile.mkdtemp())
         zip_obj = zipfile.ZipFile(zip_path, 'r')
         zip_obj.extractall(output_path)
         zip_obj.close()
-        if os.path.exists(assets_path) == True and os.path.isdir(assets_path) == False:
-            os.unlink(assets_path)
-        if os.path.exists(assets_path) == False:
-            os.mkdir(assets_path)
+        if assets_path.exists() and not assets_path.is_dir():
+            assets_path.unlink()
+        if not assets_path.exists():
+            assets_path.mkdir()
         base_path = ''
-        for filename in os.listdir(output_path):
+        for filename in output_path.iterdir():
             base_path = filename
-        for filename in os.listdir(os.path.join(output_path, base_path, 'Firmware', 'mks_font')):
-            shutil.copy(os.path.join(output_path, base_path, 'Firmware', 'mks_font', filename), assets_path)
-        for filename in os.listdir(os.path.join(output_path, base_path, 'Firmware', 'mks_pic')):
-            shutil.copy(os.path.join(output_path, base_path, 'Firmware', 'mks_pic', filename), assets_path)
+        fw_path = (output_path / base_path / 'Firmware')
+        font_path = fw_path / 'mks_font'
+        for filename in font_path.iterdir():
+            shutil.copy(font_path / filename, assets_path)
+        pic_path = fw_path / 'mks_pic'
+        for filename in pic_path.iterdir():
+            shutil.copy(pic_path / filename, assets_path)
         shutil.rmtree(output_path, ignore_errors=True)
 
-    if os.path.exists(zip_path) == False:
+    if not zip_path.exists():
         download_mks_assets()
 
-    if os.path.exists(assets_path) == False:
+    if not assets_path.exists():
         copy_mks_assets()

buildroot/share/PlatformIO/scripts/generic_create_variant.py

@@ -7,16 +7,14 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,shutil,marlin
-    from SCons.Script import DefaultEnvironment
-    from platformio import util
-
-    env = DefaultEnvironment()
+    import shutil,marlin
+    from pathlib import Path
 
     #
     # Get the platform name from the 'platform_packages' option,
     # or look it up by the platform.class.name.
     #
+    env = marlin.env
     platform = env.PioPlatform()
 
     from platformio.package.meta import PackageSpec
@@ -37,8 +35,8 @@ if pioutil.is_pio_build():
     if platform_name in [ "usb-host-msc", "usb-host-msc-cdc-msc", "usb-host-msc-cdc-msc-2", "usb-host-msc-cdc-msc-3", "tool-stm32duino", "biqu-bx-workaround", "main" ]:
         platform_name = "framework-arduinoststm32"
 
-    FRAMEWORK_DIR = platform.get_package_dir(platform_name)
-    assert os.path.isdir(FRAMEWORK_DIR)
+    FRAMEWORK_DIR = Path(platform.get_package_dir(platform_name))
+    assert FRAMEWORK_DIR.is_dir()
 
     board = env.BoardConfig()
 
@@ -47,14 +45,14 @@ if pioutil.is_pio_build():
     #series = mcu_type[:7].upper() + "xx"
 
     # Prepare a new empty folder at the destination
-    variant_dir = os.path.join(FRAMEWORK_DIR, "variants", variant)
-    if os.path.isdir(variant_dir):
+    variant_dir = FRAMEWORK_DIR / "variants" / variant
+    if variant_dir.is_dir():
         shutil.rmtree(variant_dir)
-    if not os.path.isdir(variant_dir):
-        os.mkdir(variant_dir)
+    if not variant_dir.is_dir():
+        variant_dir.mkdir()
 
     # Source dir is a local variant sub-folder
-    source_dir = os.path.join("buildroot/share/PlatformIO/variants", variant)
-    assert os.path.isdir(source_dir)
+    source_dir = Path("buildroot/share/PlatformIO/variants", variant)
+    assert source_dir.is_dir()
 
     marlin.copytree(source_dir, variant_dir)

buildroot/share/PlatformIO/scripts/jgaurora_a5s_a1_with_bootloader.py

@@ -4,37 +4,32 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,marlin
+
     # Append ${PROGNAME}.bin firmware after bootloader and save it as 'jgaurora_firmware.bin'
     def addboot(source, target, env):
-        firmware = open(target[0].path, "rb")
-        lengthfirmware = os.path.getsize(target[0].path)
-        bootloader_bin = "buildroot/share/PlatformIO/scripts/" + "jgaurora_bootloader.bin"
-        bootloader = open(bootloader_bin, "rb")
-        lengthbootloader = os.path.getsize(bootloader_bin)
+        from pathlib import Path
 
-        firmware_with_boothloader_bin = target[0].dir.path + '/firmware_with_bootloader.bin'
-        if os.path.exists(firmware_with_boothloader_bin):
-            os.remove(firmware_with_boothloader_bin)
-        firmwareimage = open(firmware_with_boothloader_bin, "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()
+        fw_path = Path(target[0].path)
+        fwb_path = fw_path.parent / 'firmware_with_bootloader.bin'
+        with fwb_path.open("wb") as fwb_file:
+            bl_path = Path("buildroot/share/PlatformIO/scripts/jgaurora_bootloader.bin")
+            bl_file = bl_path.open("rb")
+            while True:
+                b = bl_file.read(1)
+                if b == b'': break
+                else: fwb_file.write(b)
 
-        firmware_without_bootloader_bin = target[0].dir.path + '/firmware_for_sd_upload.bin'
-        if os.path.exists(firmware_without_bootloader_bin):
-            os.remove(firmware_without_bootloader_bin)
-        os.rename(target[0].path, firmware_without_bootloader_bin)
-        #os.rename(target[0].dir.path+'/firmware_with_bootloader.bin', target[0].dir.path+'/firmware.bin')
+            with fw_path.open("rb") as fw_file:
+                while True:
+                    b = fw_file.read(1)
+                    if b == b'': break
+                    else: fwb_file.write(b)
 
+        fws_path = Path(target[0].dir.path, 'firmware_for_sd_upload.bin')
+        if fws_path.exists():
+            fws_path.unlink()
+
+        fw_path.rename(fws_path)
+
+    import marlin
     marlin.add_post_action(addboot);

buildroot/share/PlatformIO/scripts/lerdge.py

@@ -8,10 +8,8 @@
 import pioutil
 if pioutil.is_pio_build():
     import os,marlin
-    Import("env")
 
-    from SCons.Script import DefaultEnvironment
-    board = DefaultEnvironment().BoardConfig()
+    board = marlin.env.BoardConfig()
 
     def encryptByte(byte):
         byte = 0xFF & ((byte << 6) | (byte >> 2))

buildroot/share/PlatformIO/scripts/marlin.py

@@ -2,21 +2,18 @@
 # marlin.py
 # Helper module with some commonly-used functions
 #
-import os,shutil
+import shutil
+from pathlib import Path
 
 from SCons.Script import DefaultEnvironment
 env = DefaultEnvironment()
 
-from os.path import join
-
 def copytree(src, dst, symlinks=False, ignore=None):
-    for item in os.listdir(src):
-        s = join(src, item)
-        d = join(dst, item)
-        if os.path.isdir(s):
-            shutil.copytree(s, d, symlinks, ignore)
+    for item in src.iterdir():
+        if item.is_dir():
+            shutil.copytree(item, dst / item.name, symlinks, ignore)
         else:
-            shutil.copy2(s, d)
+            shutil.copy2(item, dst / item.name)
 
 def replace_define(field, value):
     for define in env['CPPDEFINES']:
@@ -34,7 +31,7 @@ def relocate_vtab(address):
 
 # Replace the existing -Wl,-T with the given ldscript path
 def custom_ld_script(ldname):
-    apath = os.path.abspath("buildroot/share/PlatformIO/ldscripts/" + ldname)
+    apath = str(Path("buildroot/share/PlatformIO/ldscripts", ldname).resolve())
     for i, flag in enumerate(env["LINKFLAGS"]):
         if "-Wl,-T" in flag:
             env["LINKFLAGS"][i] = "-Wl,-T" + apath
@@ -52,15 +49,15 @@ def encrypt_mks(source, target, env, new_name):
     mf = env["MARLIN_FEATURES"]
     if "FIRMWARE_BIN" in mf: new_name = mf["FIRMWARE_BIN"]
 
-    fwpath = target[0].path
-    fwfile = open(fwpath, "rb")
-    enfile = open(target[0].dir.path + "/" + new_name, "wb")
-    length = os.path.getsize(fwpath)
+    fwpath = Path(target[0].path)
+    fwfile = fwpath.open("rb")
+    enfile = Path(target[0].dir.path, new_name).open("wb")
+    length = fwpath.stat().st_size
     position = 0
     try:
         while position < length:
             byte = fwfile.read(1)
-            if position >= 320 and position < 31040:
+            if 320 <= position < 31040:
                 byte = chr(ord(byte) ^ key[position & 31])
                 if sys.version_info[0] > 2:
                     byte = bytes(byte, 'latin1')
@@ -69,7 +66,7 @@ def encrypt_mks(source, target, env, new_name):
     finally:
         fwfile.close()
         enfile.close()
-        os.remove(fwpath)
+        fwpath.unlink()
 
 def add_post_action(action):
-    env.AddPostAction(join("$BUILD_DIR", "${PROGNAME}.bin"), action);
+    env.AddPostAction(str(Path("$BUILD_DIR", "${PROGNAME}.bin")), action);

buildroot/share/PlatformIO/scripts/mc-apply.py

@@ -5,7 +5,6 @@
 import json
 import sys
 import shutil
-import re
 
 opt_output = '--opt' in sys.argv
 output_suffix = '.sh' if opt_output else '' if '--bare-output' in sys.argv else '.gen'

buildroot/share/PlatformIO/scripts/offset_and_rename.py

@@ -10,12 +10,10 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,sys,marlin
-    Import("env")
-
-    from SCons.Script import DefaultEnvironment
-    board = DefaultEnvironment().BoardConfig()
+    import marlin
 
+    env = marlin.env
+    board = env.BoardConfig()
     board_keys = board.get("build").keys()
 
     #
@@ -55,8 +53,13 @@ if pioutil.is_pio_build():
     #
     if 'rename' in board_keys:
 
+        # If FIRMWARE_BIN is defined by config, override all
+        mf = env["MARLIN_FEATURES"]
+        if "FIRMWARE_BIN" in mf: new_name = mf["FIRMWARE_BIN"]
+        else: new_name = board.get("build.rename")
+
         def rename_target(source, target, env):
-            firmware = os.path.join(target[0].dir.path, board.get("build.rename"))
-            os.replace(target[0].path, firmware)
+            from pathlib import Path
+            Path(target[0].path).replace(Path(target[0].dir.path, new_name))
 
         marlin.add_post_action(rename_target)

buildroot/share/PlatformIO/scripts/openblt.py

@@ -3,7 +3,6 @@
 #
 import pioutil
 if pioutil.is_pio_build():
-    import os,sys
     from os.path import join
 
     Import("env")

buildroot/share/PlatformIO/scripts/pioutil.py

@@ -6,6 +6,7 @@
 def is_pio_build():
     from SCons.Script import DefaultEnvironment
     env = DefaultEnvironment()
+    if "IsCleanTarget" in dir(env) and env.IsCleanTarget(): return False
     return not env.IsIntegrationDump()
 
 def get_pio_version():

buildroot/share/PlatformIO/scripts/preflight-checks.py

@@ -5,11 +5,13 @@
 import pioutil
 if pioutil.is_pio_build():
 
-    import os,re,sys
+    import re,sys
+    from pathlib import Path
     Import("env")
 
     def get_envs_for_board(board):
-        with open(os.path.join("Marlin", "src", "pins", "pins.h"), "r") as file:
+        ppath = Path("Marlin/src/pins/pins.h")
+        with ppath.open() as file:
 
             if sys.platform == 'win32':
                 envregex = r"(?:env|win):"
@@ -52,11 +54,16 @@ if pioutil.is_pio_build():
         if 'PIOENV' not in env:
             raise SystemExit("Error: PIOENV is not defined. This script is intended to be used with PlatformIO")
 
-        if 'MARLIN_FEATURES' not in env:
-            raise SystemExit("Error: this script should be used after common Marlin scripts")
+        # Require PlatformIO 6.1.1 or later
+        vers = pioutil.get_pio_version()
+        if vers < [6, 1, 1]:
+            raise SystemExit("Error: Marlin requires PlatformIO >= 6.1.1. Use 'pio upgrade' to get a newer version.")
 
-        if 'MOTHERBOARD' not in env['MARLIN_FEATURES']:
-            raise SystemExit("Error: MOTHERBOARD is not defined in Configuration.h")
+        if 'MARLIN_FEATURES' not in env:
+            raise SystemExit("Error: this script should be used after common Marlin scripts.")
+
+        if len(env['MARLIN_FEATURES']) == 0:
+            raise SystemExit("Error: Failed to parse Marlin features. See previous error messages.")
 
         build_env = env['PIOENV']
         motherboard = env['MARLIN_FEATURES']['MOTHERBOARD']
@@ -72,9 +79,10 @@ if pioutil.is_pio_build():
         #
         # Check for Config files in two common incorrect places
         #
-        for p in [ env['PROJECT_DIR'], os.path.join(env['PROJECT_DIR'], "config") ]:
-            for f in [ "Configuration.h", "Configuration_adv.h" ]:
-                if os.path.isfile(os.path.join(p, f)):
+        epath = Path(env['PROJECT_DIR'])
+        for p in [ epath, epath / "config" ]:
+            for f in ("Configuration.h", "Configuration_adv.h"):
+                if (p / f).is_file():
                     err = "ERROR: Config files found in directory %s. Please move them into the Marlin subfolder." % p
                     raise SystemExit(err)
 
@@ -82,12 +90,12 @@ if pioutil.is_pio_build():
         # Find the name.cpp.o or name.o and remove it
         #
         def rm_ofile(subdir, name):
-            build_dir = os.path.join(env['PROJECT_BUILD_DIR'], build_env);
-            for outdir in [ build_dir, os.path.join(build_dir, "debug") ]:
-                for ext in [ ".cpp.o", ".o" ]:
-                    fpath = os.path.join(outdir, "src", "src", subdir, name + ext)
-                    if os.path.exists(fpath):
-                        os.remove(fpath)
+            build_dir = Path(env['PROJECT_BUILD_DIR'], build_env);
+            for outdir in (build_dir, build_dir / "debug"):
+                for ext in (".cpp.o", ".o"):
+                    fpath = outdir / "src/src" / subdir / (name + ext)
+                    if fpath.exists():
+                        fpath.unlink()
 
         #
         # Give warnings on every build
@@ -104,16 +112,27 @@ if pioutil.is_pio_build():
         # Check for old files indicating an entangled Marlin (mixing old and new code)
         #
         mixedin = []
-        p = os.path.join(env['PROJECT_DIR'], "Marlin", "src", "lcd", "dogm")
+        p = Path(env['PROJECT_DIR'], "Marlin/src/lcd/dogm")
         for f in [ "ultralcd_DOGM.cpp", "ultralcd_DOGM.h" ]:
-            if os.path.isfile(os.path.join(p, f)):
+            if (p / f).is_file():
                 mixedin += [ f ]
-        p = os.path.join(env['PROJECT_DIR'], "Marlin", "src", "feature", "bedlevel", "abl")
+        p = Path(env['PROJECT_DIR'], "Marlin/src/feature/bedlevel/abl")
         for f in [ "abl.cpp", "abl.h" ]:
-            if os.path.isfile(os.path.join(p, f)):
+            if (p / f).is_file():
                 mixedin += [ f ]
         if mixedin:
             err = "ERROR: Old files fell into your Marlin folder. Remove %s and try again" % ", ".join(mixedin)
             raise SystemExit(err)
 
+        #
+        # Check FILAMENT_RUNOUT_SCRIPT has a %c parammeter when required
+        #
+        if 'FILAMENT_RUNOUT_SENSOR' in env['MARLIN_FEATURES'] and 'NUM_RUNOUT_SENSORS' in env['MARLIN_FEATURES']:
+            if env['MARLIN_FEATURES']['NUM_RUNOUT_SENSORS'].isdigit() and int(env['MARLIN_FEATURES']['NUM_RUNOUT_SENSORS']) > 1:
+                if 'FILAMENT_RUNOUT_SCRIPT' in env['MARLIN_FEATURES']:
+                    frs = env['MARLIN_FEATURES']['FILAMENT_RUNOUT_SCRIPT']
+                    if "M600" in frs and "%c" not in frs:
+                        err = "ERROR: FILAMENT_RUNOUT_SCRIPT needs a %c parameter (e.g., \"M600 T%c\") when NUM_RUNOUT_SENSORS is > 1"
+                        raise SystemExit(err)
+
     sanity_check_target()

buildroot/share/PlatformIO/scripts/preprocessor.py

@@ -1,7 +1,7 @@
 #
 # preprocessor.py
 #
-import subprocess,os,re
+import subprocess
 
 nocache = 1
 verbose = 0
@@ -54,51 +54,41 @@ def run_preprocessor(env, fn=None):
 #
 def search_compiler(env):
 
-    ENV_BUILD_PATH = os.path.join(env['PROJECT_BUILD_DIR'], env['PIOENV'])
-    GCC_PATH_CACHE = os.path.join(ENV_BUILD_PATH, ".gcc_path")
+    from pathlib import Path, PurePath
+
+    ENV_BUILD_PATH = Path(env['PROJECT_BUILD_DIR'], env['PIOENV'])
+    GCC_PATH_CACHE = ENV_BUILD_PATH / ".gcc_path"
 
     try:
-        filepath = env.GetProjectOption('custom_gcc')
+        gccpath = env.GetProjectOption('custom_gcc')
         blab("Getting compiler from env")
-        return filepath
+        return gccpath
     except:
         pass
 
     # Warning: The cached .gcc_path will obscure a newly-installed toolkit
-    if not nocache and os.path.exists(GCC_PATH_CACHE):
+    if not nocache and GCC_PATH_CACHE.exists():
         blab("Getting g++ path from cache")
-        with open(GCC_PATH_CACHE, 'r') as f:
-            return f.read()
+        return GCC_PATH_CACHE.read_text()
 
-    # Find the current platform compiler by searching the $PATH
-    # which will be in a platformio toolchain bin folder
-    path_regex = re.escape(env['PROJECT_PACKAGES_DIR'])
-    gcc = "g++"
+    # Use any item in $PATH corresponding to a platformio toolchain bin folder
+    path_separator = ':'
+    gcc_exe = '*g++'
     if env['PLATFORM'] == 'win32':
         path_separator = ';'
-        path_regex += r'.*\\bin'
-        gcc += ".exe"
-    else:
-        path_separator = ':'
-        path_regex += r'/.+/bin'
+        gcc_exe += ".exe"
 
-    # Search for the compiler
-    for pathdir in env['ENV']['PATH'].split(path_separator):
-        if not re.search(path_regex, pathdir, re.IGNORECASE):
-            continue
-        for filepath in os.listdir(pathdir):
-            if not filepath.endswith(gcc):
-                continue
-            # Use entire path to not rely on env PATH
-            filepath = os.path.sep.join([pathdir, filepath])
+    # Search for the compiler in PATH
+    for ppath in map(Path, env['ENV']['PATH'].split(path_separator)):
+        if ppath.match(env['PROJECT_PACKAGES_DIR'] + "/**/bin"):
+            for gpath in ppath.glob(gcc_exe):
+                gccpath = str(gpath.resolve())
                 # Cache the g++ path to no search always
-            if not nocache and os.path.exists(ENV_BUILD_PATH):
+                if not nocache and ENV_BUILD_PATH.exists():
                     blab("Caching g++ for current env")
-                with open(GCC_PATH_CACHE, 'w+') as f:
-                    f.write(filepath)
+                    GCC_PATH_CACHE.write_text(gccpath)
+                return gccpath
 
-            return filepath
-
-    filepath = env.get('CXX')
-    blab("Couldn't find a compiler! Fallback to %s" % filepath)
-    return filepath
+    gccpath = env.get('CXX')
+    blab("Couldn't find a compiler! Fallback to %s" % gccpath)
+    return gccpath

buildroot/share/PlatformIO/scripts/schema.py

@@ -0,0 +1,421 @@
+#!/usr/bin/env python3
+#
+# schema.py
+#
+# Used by signature.py via common-dependencies.py to generate a schema file during the PlatformIO build.
+# This script can also be run standalone from within the Marlin repo to generate all schema files.
+#
+import re,json
+from pathlib import Path
+
+def extend_dict(d:dict, k:tuple):
+    if len(k) >= 1 and k[0] not in d:
+        d[k[0]] = {}
+    if len(k) >= 2 and k[1] not in d[k[0]]:
+        d[k[0]][k[1]] = {}
+    if len(k) >= 3 and k[2] not in d[k[0]][k[1]]:
+        d[k[0]][k[1]][k[2]] = {}
+
+grouping_patterns = [
+    re.compile(r'^([XYZIJKUVW]|[XYZ]2|Z[34]|E[0-7])$'),
+    re.compile(r'^AXIS\d$'),
+    re.compile(r'^(MIN|MAX)$'),
+    re.compile(r'^[0-8]$'),
+    re.compile(r'^HOTEND[0-7]$'),
+    re.compile(r'^(HOTENDS|BED|PROBE|COOLER)$'),
+    re.compile(r'^[XYZIJKUVW]M(IN|AX)$')
+]
+# If the indexed part of the option name matches a pattern
+# then add it to the dictionary.
+def find_grouping(gdict, filekey, sectkey, optkey, pindex):
+    optparts = optkey.split('_')
+    if 1 < len(optparts) > pindex:
+        for patt in grouping_patterns:
+            if patt.match(optparts[pindex]):
+                subkey = optparts[pindex]
+                modkey = '_'.join(optparts)
+                optparts[pindex] = '*'
+                wildkey = '_'.join(optparts)
+                kkey = f'{filekey}|{sectkey}|{wildkey}'
+                if kkey not in gdict: gdict[kkey] = []
+                gdict[kkey].append((subkey, modkey))
+
+# Build a list of potential groups. Only those with multiple items will be grouped.
+def group_options(schema):
+    for pindex in range(10, -1, -1):
+        found_groups = {}
+        for filekey, f in schema.items():
+            for sectkey, s in f.items():
+                for optkey in s:
+                    find_grouping(found_groups, filekey, sectkey, optkey, pindex)
+
+        fkeys = [ k for k in found_groups.keys() ]
+        for kkey in fkeys:
+            items = found_groups[kkey]
+            if len(items) > 1:
+                f, s, w = kkey.split('|')
+                extend_dict(schema, (f, s, w))                      # Add wildcard group to schema
+                for subkey, optkey in items:                        # Add all items to wildcard group
+                    schema[f][s][w][subkey] = schema[f][s][optkey]  # Move non-wildcard item to wildcard group
+                    del schema[f][s][optkey]
+            del found_groups[kkey]
+
+# Extract all board names from boards.h
+def load_boards():
+    bpath = Path("Marlin/src/core/boards.h")
+    if bpath.is_file():
+        with bpath.open() as bfile:
+            boards = []
+            for line in bfile:
+                if line.startswith("#define BOARD_"):
+                    bname = line.split()[1]
+                    if bname != "BOARD_UNKNOWN": boards.append(bname)
+            return "['" + "','".join(boards) + "']"
+    return ''
+
+#
+# Extract a schema from the current configuration files
+#
+def extract():
+    # Load board names from boards.h
+    boards = load_boards()
+
+    # Parsing states
+    class Parse:
+        NORMAL          = 0 # No condition yet
+        BLOCK_COMMENT   = 1 # Looking for the end of the block comment
+        EOL_COMMENT     = 2 # EOL comment started, maybe add the next comment?
+        GET_SENSORS     = 3 # Gathering temperature sensor options
+        ERROR           = 9 # Syntax error
+
+    # List of files to process, with shorthand
+    filekey = { 'Configuration.h':'basic', 'Configuration_adv.h':'advanced' }
+    # A JSON object to store the data
+    sch_out = { 'basic':{}, 'advanced':{} }
+    # Regex for #define NAME [VALUE] [COMMENT] with sanitized line
+    defgrep = re.compile(r'^(//)?\s*(#define)\s+([A-Za-z0-9_]+)\s*(.*?)\s*(//.+)?$')
+    # Defines to ignore
+    ignore = ('CONFIGURATION_H_VERSION', 'CONFIGURATION_ADV_H_VERSION', 'CONFIG_EXAMPLES_DIR', 'CONFIG_EXPORT')
+    # Start with unknown state
+    state = Parse.NORMAL
+    # Serial ID
+    sid = 0
+    # Loop through files and parse them line by line
+    for fn, fk in filekey.items():
+        with Path("Marlin", fn).open() as fileobj:
+            section = 'none'        # Current Settings section
+            line_number = 0         # Counter for the line number of the file
+            conditions = []         # Create a condition stack for the current file
+            comment_buff = []       # A temporary buffer for comments
+            options_json = ''       # A buffer for the most recent options JSON found
+            eol_options = False     # The options came from end of line, so only apply once
+            join_line = False       # A flag that the line should be joined with the previous one
+            line = ''               # A line buffer to handle \ continuation
+            last_added_ref = None   # Reference to the last added item
+            # Loop through the lines in the file
+            for the_line in fileobj.readlines():
+                line_number += 1
+
+                # Clean the line for easier parsing
+                the_line = the_line.strip()
+
+                if join_line:   # A previous line is being made longer
+                    line += (' ' if line else '') + the_line
+                else:           # Otherwise, start the line anew
+                    line, line_start = the_line, line_number
+
+                # If the resulting line ends with a \, don't process now.
+                # Strip the end off. The next line will be joined with it.
+                join_line = line.endswith("\\")
+                if join_line:
+                    line = line[:-1].strip()
+                    continue
+                else:
+                    line_end = line_number
+
+                defmatch = defgrep.match(line)
+
+                # Special handling for EOL comments after a #define.
+                # At this point the #define is already digested and inserted,
+                # so we have to extend it
+                if state == Parse.EOL_COMMENT:
+                    # If the line is not a comment, we're done with the EOL comment
+                    if not defmatch and the_line.startswith('//'):
+                        comment_buff.append(the_line[2:].strip())
+                    else:
+                        last_added_ref['comment'] = ' '.join(comment_buff)
+                        comment_buff = []
+                        state = Parse.NORMAL
+
+                def use_comment(c, opt, sec, bufref):
+                    if c.startswith(':'):               # If the comment starts with : then it has magic JSON
+                        d = c[1:].strip()               # Strip the leading :
+                        cbr = c.rindex('}') if d.startswith('{') else c.rindex(']') if d.startswith('[') else 0
+                        if cbr:
+                            opt, cmt = c[1:cbr+1].strip(), c[cbr+1:].strip()
+                            if cmt != '': bufref.append(cmt)
+                        else:
+                            opt = c[1:].strip()
+                    elif c.startswith('@section'):      # Start a new section
+                        sec = c[8:].strip()
+                    elif not c.startswith('========'):
+                        bufref.append(c)
+                    return opt, sec
+
+                # In a block comment, capture lines up to the end of the comment.
+                # Assume nothing follows the comment closure.
+                if state in (Parse.BLOCK_COMMENT, Parse.GET_SENSORS):
+                    endpos = line.find('*/')
+                    if endpos < 0:
+                        cline = line
+                    else:
+                        cline, line = line[:endpos].strip(), line[endpos+2:].strip()
+
+                        # Temperature sensors are done
+                        if state == Parse.GET_SENSORS:
+                            options_json = f'[ {options_json[:-2]} ]'
+
+                        state = Parse.NORMAL
+
+                    # Strip the leading '*' from block comments
+                    if cline.startswith('*'): cline = cline[1:].strip()
+
+                    # Collect temperature sensors
+                    if state == Parse.GET_SENSORS:
+                        sens = re.match(r'^(-?\d+)\s*:\s*(.+)$', cline)
+                        if sens:
+                            s2 = sens[2].replace("'","''")
+                            options_json += f"{sens[1]}:'{s2}', "
+
+                    elif state == Parse.BLOCK_COMMENT:
+
+                        # Look for temperature sensors
+                        if cline == "Temperature sensors available:":
+                            state, cline = Parse.GET_SENSORS, "Temperature Sensors"
+
+                        options_json, section = use_comment(cline, options_json, section, comment_buff)
+
+                # For the normal state we're looking for any non-blank line
+                elif state == Parse.NORMAL:
+                    # Skip a commented define when evaluating comment opening
+                    st = 2 if re.match(r'^//\s*#define', line) else 0
+                    cpos1 = line.find('/*')     # Start a block comment on the line?
+                    cpos2 = line.find('//', st) # Start an end of line comment on the line?
+
+                    # Only the first comment starter gets evaluated
+                    cpos = -1
+                    if cpos1 != -1 and (cpos1 < cpos2 or cpos2 == -1):
+                        cpos = cpos1
+                        comment_buff = []
+                        state = Parse.BLOCK_COMMENT
+                        eol_options = False
+
+                    elif cpos2 != -1 and (cpos2 < cpos1 or cpos1 == -1):
+                        cpos = cpos2
+
+                        # Comment after a define may be continued on the following lines
+                        if defmatch != None and cpos > 10:
+                            state = Parse.EOL_COMMENT
+                            comment_buff = []
+
+                    # Process the start of a new comment
+                    if cpos != -1:
+                        cline, line = line[cpos+2:].strip(), line[:cpos].strip()
+
+                        if state == Parse.BLOCK_COMMENT:
+                            # Strip leading '*' from block comments
+                            if cline.startswith('*'): cline = cline[1:].strip()
+                        else:
+                            # Expire end-of-line options after first use
+                            if cline.startswith(':'): eol_options = True
+
+                        # Buffer a non-empty comment start
+                        if cline != '':
+                            options_json, section = use_comment(cline, options_json, section, comment_buff)
+
+                    # If the line has nothing before the comment, go to the next line
+                    if line == '':
+                        options_json = ''
+                        continue
+
+                    # Parenthesize the given expression if needed
+                    def atomize(s):
+                        if s == '' \
+                        or re.match(r'^[A-Za-z0-9_]*(\([^)]+\))?$', s) \
+                        or re.match(r'^[A-Za-z0-9_]+ == \d+?$', s):
+                            return s
+                        return f'({s})'
+
+                    #
+                    # The conditions stack is an array containing condition-arrays.
+                    # Each condition-array lists the conditions for the current block.
+                    # IF/N/DEF adds a new condition-array to the stack.
+                    # ELSE/ELIF/ENDIF pop the condition-array.
+                    # ELSE/ELIF negate the last item in the popped condition-array.
+                    # ELIF adds a new condition to the end of the array.
+                    # ELSE/ELIF re-push the condition-array.
+                    #
+                    cparts = line.split()
+                    iselif, iselse = cparts[0] == '#elif', cparts[0] == '#else'
+                    if iselif or iselse or cparts[0] == '#endif':
+                        if len(conditions) == 0:
+                            raise Exception(f'no #if block at line {line_number}')
+
+                        # Pop the last condition-array from the stack
+                        prev = conditions.pop()
+
+                        if iselif or iselse:
+                            prev[-1] = '!' + prev[-1] # Invert the last condition
+                            if iselif: prev.append(atomize(line[5:].strip()))
+                            conditions.append(prev)
+
+                    elif cparts[0] == '#if':
+                        conditions.append([ atomize(line[3:].strip()) ])
+                    elif cparts[0] == '#ifdef':
+                        conditions.append([ f'defined({line[6:].strip()})' ])
+                    elif cparts[0] == '#ifndef':
+                        conditions.append([ f'!defined({line[7:].strip()})' ])
+
+                    # Handle a complete #define line
+                    elif defmatch != None:
+
+                        # Get the match groups into vars
+                        enabled, define_name, val = defmatch[1] == None, defmatch[3], defmatch[4]
+
+                        # Increment the serial ID
+                        sid += 1
+
+                        # Create a new dictionary for the current #define
+                        define_info = {
+                            'section': section,
+                            'name': define_name,
+                            'enabled': enabled,
+                            'line': line_start,
+                            'sid': sid
+                        }
+
+                        # Type is based on the value
+                        if val == '':
+                            value_type = 'switch'
+                        elif re.match(r'^(true|false)$', val):
+                            value_type = 'bool'
+                            val = val == 'true'
+                        elif re.match(r'^[-+]?\s*\d+$', val):
+                            value_type = 'int'
+                            val = int(val)
+                        elif re.match(r'[-+]?\s*(\d+\.|\d*\.\d+)([eE][-+]?\d+)?[fF]?', val):
+                            value_type = 'float'
+                            val = float(val.replace('f',''))
+                        else:
+                            value_type = 'string'   if val[0] == '"' \
+                                    else 'char'     if val[0] == "'" \
+                                    else 'state'    if re.match(r'^(LOW|HIGH)$', val) \
+                                    else 'enum'     if re.match(r'^[A-Za-z0-9_]{3,}$', val) \
+                                    else 'int[]'    if re.match(r'^{(\s*[-+]?\s*\d+\s*(,\s*)?)+}$', val) \
+                                    else 'float[]'  if re.match(r'^{(\s*[-+]?\s*(\d+\.|\d*\.\d+)([eE][-+]?\d+)?[fF]?\s*(,\s*)?)+}$', val) \
+                                    else 'array'    if val[0] == '{' \
+                                    else ''
+
+                        if val != '': define_info['value'] = val
+                        if value_type != '': define_info['type'] = value_type
+
+                        # Join up accumulated conditions with &&
+                        if conditions: define_info['requires'] = ' && '.join(sum(conditions, []))
+
+                        # If the comment_buff is not empty, add the comment to the info
+                        if comment_buff:
+                            full_comment = '\n'.join(comment_buff)
+
+                            # An EOL comment will be added later
+                            # The handling could go here instead of above
+                            if state == Parse.EOL_COMMENT:
+                                define_info['comment'] = ''
+                            else:
+                                define_info['comment'] = full_comment
+                                comment_buff = []
+
+                            # If the comment specifies units, add that to the info
+                            units = re.match(r'^\(([^)]+)\)', full_comment)
+                            if units:
+                                units = units[1]
+                                if units == 's' or units == 'sec': units = 'seconds'
+                                define_info['units'] = units
+
+                        # Set the options for the current #define
+                        if define_name == "MOTHERBOARD" and boards != '':
+                            define_info['options'] = boards
+                        elif options_json != '':
+                            define_info['options'] = options_json
+                            if eol_options: options_json = ''
+
+                        # Create section dict if it doesn't exist yet
+                        if section not in sch_out[fk]: sch_out[fk][section] = {}
+
+                        # If define has already been seen...
+                        if define_name in sch_out[fk][section]:
+                            info = sch_out[fk][section][define_name]
+                            if isinstance(info, dict): info = [ info ]  # Convert a single dict into a list
+                            info.append(define_info)                    # Add to the list
+                        else:
+                            # Add the define dict with name as key
+                            sch_out[fk][section][define_name] = define_info
+
+                        if state == Parse.EOL_COMMENT:
+                            last_added_ref = define_info
+
+    return sch_out
+
+def dump_json(schema:dict, jpath:Path):
+    with jpath.open('w') as jfile:
+        json.dump(schema, jfile, ensure_ascii=False, indent=2)
+
+def dump_yaml(schema:dict, ypath:Path):
+    import yaml
+    with ypath.open('w') as yfile:
+        yaml.dump(schema, yfile, default_flow_style=False, width=120, indent=2)
+
+def main():
+    try:
+        schema = extract()
+    except Exception as exc:
+        print("Error: " + str(exc))
+        schema = None
+
+    if schema:
+
+        # Get the first command line argument
+        import sys
+        if len(sys.argv) > 1:
+            arg = sys.argv[1]
+        else:
+            arg = 'some'
+
+        # JSON schema
+        if arg in ['some', 'json', 'jsons']:
+            print("Generating JSON ...")
+            dump_json(schema, Path('schema.json'))
+
+        # JSON schema (wildcard names)
+        if arg in ['group', 'jsons']:
+            group_options(schema)
+            dump_json(schema, Path('schema_grouped.json'))
+
+        # YAML
+        if arg in ['some', 'yml', 'yaml']:
+            try:
+                import yaml
+            except ImportError:
+                print("Installing YAML module ...")
+                import subprocess
+                try:
+                    subprocess.run(['python3', '-m', 'pip', 'install', 'pyyaml'])
+                    import yaml
+                except:
+                    print("Failed to install YAML module")
+                    return
+
+            print("Generating YML ...")
+            dump_yaml(schema, Path('schema.yml'))
+
+if __name__ == '__main__':
+    main()

buildroot/share/PlatformIO/scripts/signature.py

@@ -1,7 +1,11 @@
 #
 # signature.py
 #
-import os,subprocess,re,json,hashlib
+import schema
+
+import subprocess,re,json,hashlib
+from datetime import datetime
+from pathlib import Path
 
 #
 # Return all macro names in a header as an array, so we can take
@@ -35,8 +39,8 @@ def get_file_sha256sum(filepath):
 # Compress a JSON file into a zip file
 #
 import zipfile
-def compress_file(filepath, outputbase):
-    with zipfile.ZipFile(outputbase + '.zip', 'w', compression=zipfile.ZIP_BZIP2, compresslevel=9) as zipf:
+def compress_file(filepath, outpath):
+    with zipfile.ZipFile(outpath, 'w', compression=zipfile.ZIP_BZIP2, compresslevel=9) as zipf:
         zipf.write(filepath, compress_type=zipfile.ZIP_BZIP2, compresslevel=9)
 
 #
@@ -51,19 +55,19 @@ def compute_build_signature(env):
     # Definitions from these files will be kept
     files_to_keep = [ 'Marlin/Configuration.h', 'Marlin/Configuration_adv.h' ]
 
-    build_dir = os.path.join(env['PROJECT_BUILD_DIR'], env['PIOENV'])
+    build_path = Path(env['PROJECT_BUILD_DIR'], env['PIOENV'])
 
     # Check if we can skip processing
     hashes = ''
     for header in files_to_keep:
         hashes += get_file_sha256sum(header)[0:10]
 
-    marlin_json = os.path.join(build_dir, 'marlin_config.json')
-    marlin_zip = os.path.join(build_dir, 'mc')
+    marlin_json = build_path / 'marlin_config.json'
+    marlin_zip = build_path / 'mc.zip'
 
     # Read existing config file
     try:
-        with open(marlin_json, 'r') as infile:
+        with marlin_json.open() as infile:
             conf = json.load(infile)
             if conf['__INITIAL_HASH'] == hashes:
                 # Same configuration, skip recomputing the building signature
@@ -109,7 +113,10 @@ def compute_build_signature(env):
 
         defines[key] = value if len(value) else ""
 
-    if not 'CONFIGURATION_EMBEDDING' in defines:
+    #
+    # Continue to gather data for CONFIGURATION_EMBEDDING or CONFIG_EXPORT
+    #
+    if not ('CONFIGURATION_EMBEDDING' in defines or 'CONFIG_EXPORT' in defines):
         return
 
     # Second step is to filter useless macro
@@ -145,6 +152,85 @@ def compute_build_signature(env):
             if key in conf_defines[header]:
                 data[header][key] = resolved_defines[key]
 
+    # Every python needs this toy
+    def tryint(key):
+        try:
+            return int(defines[key])
+        except:
+            return 0
+
+    config_dump = tryint('CONFIG_EXPORT')
+
+    #
+    # Produce an INI file if CONFIG_EXPORT == 2
+    #
+    if config_dump == 2:
+        print("Generating config.ini ...")
+        config_ini = build_path / 'config.ini'
+        with config_ini.open('w') as outfile:
+            ignore = ('CONFIGURATION_H_VERSION', 'CONFIGURATION_ADV_H_VERSION', 'CONFIG_EXPORT')
+            filegrp = { 'Configuration.h':'config:basic', 'Configuration_adv.h':'config:advanced' }
+            vers = defines["CONFIGURATION_H_VERSION"]
+            dt_string = datetime.now().strftime("%Y-%m-%d at %H:%M:%S")
+            ini_fmt = '{0:40}{1}\n'
+            outfile.write(
+                '#\n'
+                + '# Marlin Firmware\n'
+                + '# config.ini - Options to apply before the build\n'
+                + '#\n'
+                + f'# Generated by Marlin build on {dt_string}\n'
+                + '#\n'
+                + '\n'
+                + '[config:base]\n'
+                + ini_fmt.format('ini_use_config', ' = all')
+                + ini_fmt.format('ini_config_vers', f' = {vers}')
+            )
+            # Loop through the data array of arrays
+            for header in data:
+                if header.startswith('__'):
+                    continue
+                outfile.write('\n[' + filegrp[header] + ']\n')
+                for key in sorted(data[header]):
+                    if key not in ignore:
+                        val = 'on' if data[header][key] == '' else data[header][key]
+                        outfile.write(ini_fmt.format(key.lower(), ' = ' + val))
+
+    #
+    # Produce a schema.json file if CONFIG_EXPORT == 3
+    #
+    if config_dump >= 3:
+        try:
+            conf_schema = schema.extract()
+        except Exception as exc:
+            print("Error: " + str(exc))
+            conf_schema = None
+
+        if conf_schema:
+            #
+            # Produce a schema.json file if CONFIG_EXPORT == 3
+            #
+            if config_dump in (3, 13):
+                print("Generating schema.json ...")
+                schema.dump_json(conf_schema, build_path / 'schema.json')
+                if config_dump == 13:
+                    schema.group_options(conf_schema)
+                    schema.dump_json(conf_schema, build_path / 'schema_grouped.json')
+
+            #
+            # Produce a schema.yml file if CONFIG_EXPORT == 4
+            #
+            elif config_dump == 4:
+                print("Generating schema.yml ...")
+                try:
+                    import yaml
+                except ImportError:
+                    env.Execute(env.VerboseAction(
+                        '$PYTHONEXE -m pip install "pyyaml"',
+                        "Installing YAML for schema.yml export",
+                    ))
+                    import yaml
+                schema.dump_yaml(conf_schema, build_path / 'schema.yml')
+
     # Append the source code version and date
     data['VERSION'] = {}
     data['VERSION']['DETAILED_BUILD_VERSION'] = resolved_defines['DETAILED_BUILD_VERSION']
@@ -156,11 +242,18 @@ def compute_build_signature(env):
         pass
 
     #
-    # Produce a JSON file for CONFIGURATION_EMBEDDING or CONFIG_DUMP > 0
+    # Produce a JSON file for CONFIGURATION_EMBEDDING or CONFIG_EXPORT == 1
     #
-    with open(marlin_json, 'w') as outfile:
+    if config_dump == 1 or 'CONFIGURATION_EMBEDDING' in defines:
+        with marlin_json.open('w') as outfile:
             json.dump(data, outfile, separators=(',', ':'))
 
+    #
+    # The rest only applies to CONFIGURATION_EMBEDDING
+    #
+    if not 'CONFIGURATION_EMBEDDING' in defines:
+        return
+
     # Compress the JSON file as much as we can
     compress_file(marlin_json, marlin_zip)
 
@@ -173,11 +266,11 @@ def compute_build_signature(env):
             + b'const unsigned char mc_zip[] PROGMEM = {\n '
         )
         count = 0
-        for b in open(os.path.join(build_dir, 'mc.zip'), 'rb').read():
+        for b in (build_path / 'mc.zip').open('rb').read():
             result_file.write(b' 0x%02X,' % b)
             count += 1
-            if (count % 16 == 0):
+            if count % 16 == 0:
                 result_file.write(b'\n ')
-        if (count % 16):
+        if count % 16:
             result_file.write(b'\n')
         result_file.write(b'};\n')

buildroot/share/PlatformIO/scripts/simulator.py

@@ -2,6 +2,7 @@
 # simulator.py
 # PlatformIO pre: script for simulator builds
 #
+
 import pioutil
 if pioutil.is_pio_build():
     # Get the environment thus far for the build

buildroot/share/dwin/bin/DWIN_ICO.py

@@ -144,7 +144,7 @@ class DWIN_ICO_File():
             # process each file:
             try:
                 index = int(dirEntry.name[0:3])
-                if (index < 0) or (index > 255):
+                if not (0 <= index <= 255):
                     print('...Ignoring invalid index on', dirEntry.path)
                     continue
                 #dirEntry.path is iconDir/name

buildroot/share/dwin/bin/makeIco.py

@@ -18,7 +18,6 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #----------------------------------------------------------------
 
-import os
 import os.path
 import argparse
 import DWIN_ICO

buildroot/share/dwin/bin/splitIco.py

@@ -18,7 +18,6 @@
 #  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 #----------------------------------------------------------------
 
-import os
 import os.path
 import argparse
 import DWIN_ICO

buildroot/share/scripts/createTemperatureLookupMarlin.py

@@ -50,7 +50,7 @@ class Thermistor:
 
         if c < 0:
             print("//////////////////////////////////////////////////////////////////////////////////////")
-            print("// WARNING: negative coefficient 'c'! Something may be wrong with the measurements! //")
+            print("// WARNING: Negative coefficient 'c'! Something may be wrong with the measurements! //")
             print("//////////////////////////////////////////////////////////////////////////////////////")
             c = -c
         self.c1 = a                         # Steinhart-Hart coefficients
@@ -93,8 +93,8 @@ def main(argv):
     r2 = 1641.9                             # resistance at middle temperature (1.6 KOhm)
     t3 = 250                                # high temperature in Kelvin (250 degC)
     r3 = 226.15                             # resistance at high temperature (226.15 Ohm)
-    rp = 4700;                              # pull-up resistor (4.7 kOhm)
-    num_temps = 36;                         # number of entries for look-up table
+    rp = 4700                               # pull-up resistor (4.7 kOhm)
+    num_temps = 36                          # number of entries for look-up table
 
     try:
         opts, args = getopt.getopt(argv, "h", ["help", "rp=", "t1=", "t2=", "t3=", "num-temps="])
@@ -125,13 +125,13 @@ def main(argv):
             num_temps = int(arg)
 
     t = Thermistor(rp, t1, r1, t2, r2, t3, r3)
-    increment = int((ARES-1)/(num_temps-1));
-    step = (TMIN-TMAX) / (num_temps-1)
-    low_bound = t.temp(ARES-1);
-    up_bound = t.temp(1);
+    increment = int((ARES - 1) / (num_temps - 1))
+    step = int((TMIN - TMAX) / (num_temps - 1))
+    low_bound = t.temp(ARES - 1)
+    up_bound = t.temp(1)
     min_temp = int(TMIN if TMIN > low_bound else low_bound)
     max_temp = int(TMAX if TMAX < up_bound else up_bound)
-    temps = list(range(max_temp, TMIN+step, step));
+    temps = list(range(max_temp, TMIN + step, step))
 
     print("// Thermistor lookup table for Marlin")
     print("// ./createTemperatureLookupMarlin.py --rp=%s --t1=%s:%s --t2=%s:%s --t3=%s:%s --num-temps=%s" % (rp, t1, r1, t2, r2, t3, r3, num_temps))

buildroot/share/scripts/gen-tft-image.py

@@ -22,8 +22,8 @@
 
 # Generate Marlin TFT Images from bitmaps/PNG/JPG
 
-import sys,re,struct
-from PIL import Image,ImageDraw
+import sys,struct
+from PIL import Image
 
 def image2bin(image, output_file):
     if output_file.endswith(('.c', '.cpp')):

buildroot/share/scripts/upload.py

@@ -189,9 +189,7 @@ def Upload(source, target, env):
                                                     'BOARD_CREALITY_V427', 'BOARD_CREALITY_V431',  'BOARD_CREALITY_V452', 'BOARD_CREALITY_V453',
                                                     'BOARD_CREALITY_V24S1']
     # "upload_random_name": generate a random 8.3 firmware filename to upload
-    upload_random_filename = marlin_motherboard in ['BOARD_CREALITY_V4',   'BOARD_CREALITY_V4210', 'BOARD_CREALITY_V422', 'BOARD_CREALITY_V423',
-                                                    'BOARD_CREALITY_V427', 'BOARD_CREALITY_V431',  'BOARD_CREALITY_V452', 'BOARD_CREALITY_V453',
-                                                    'BOARD_CREALITY_V24S1'] and not marlin_long_filename_host_support
+    upload_random_filename = upload_delete_old_bins and not marlin_long_filename_host_support
 
     try:
 

buildroot/share/vscode/auto_build.py

@@ -252,7 +252,7 @@ def resolve_path(path):
     while 0 <= path.find('../'):
       end = path.find('../') - 1
       start = path.find('/')
-      while 0 <= path.find('/', start) and end > path.find('/', start):
+      while 0 <= path.find('/', start) < end:
         start = path.find('/', start) + 1
       path = path[0:start] + path[end + 4:]
 
@@ -674,7 +674,7 @@ def line_print(line_input):
         if 0 == highlight[1]:
           found_1 = text.find(' ')
           found_tab = text.find('\t')
-          if found_1 < 0 or found_1 > found_tab:
+          if not (0 <= found_1 <= found_tab):
             found_1 = found_tab
           write_to_screen_queue(text[:found_1 + 1])
           for highlight_2 in highlights:
@@ -684,7 +684,7 @@ def line_print(line_input):
             if found >= 0:
               found_space = text.find(' ', found_1 + 1)
               found_tab = text.find('\t', found_1 + 1)
-              if found_space < 0 or found_space > found_tab:
+              if not (0 <= found_space <= found_tab):
                 found_space = found_tab
               found_right = text.find(']', found + 1)
               write_to_screen_queue(text[found_1 + 1:found_space + 1], highlight[2])
@@ -701,7 +701,7 @@ def line_print(line_input):
         break
     if did_something == False:
       r_loc = text.find('\r') + 1
-      if r_loc > 0 and r_loc < len(text):  # need to split this line
+      if 0 < r_loc < len(text):  # need to split this line
         text = text.split('\r')
         for line in text:
           if line != '':

buildroot/share/vscode/create_custom_upload_command_CDC.py

@@ -13,7 +13,7 @@
 from __future__ import print_function
 from __future__ import division
 
-import subprocess,os,sys,platform
+import subprocess,os,platform
 from SCons.Script import DefaultEnvironment
 
 current_OS = platform.system()

buildroot/share/vscode/create_custom_upload_command_DFU.py

@@ -9,7 +9,7 @@
 #  Will continue on if a COM port isn't found so that the compilation can be done.
 #
 
-import os,sys
+import os
 from SCons.Script import DefaultEnvironment
 import platform
 current_OS = platform.system()

config/README.md

@@ -1,3 +1,3 @@
 # Where have all the configurations gone?
 
-## https://github.com/MarlinFirmware/Configurations/archive/release-2.0.9.5.zip
+## https://github.com/MarlinFirmware/Configurations/archive/release-2.0.9.6.zip

ini/esp32.ini

@@ -20,6 +20,7 @@ build_src_filter = ${common.default_src_filter} +<src/HAL/ESP32>
 lib_ignore       = NativeEthernet
 upload_speed     = 500000
 monitor_speed    = 250000
+monitor_filters  = colorize, time, send_on_enter, log2file, esp32_exception_decoder
 #upload_port     = marlinesp.local
 #board_build.flash_mode = qio
 

platformio.ini

@@ -16,6 +16,7 @@ boards_dir   = buildroot/share/PlatformIO/boards
 default_envs = mega2560
 include_dir  = Marlin
 extra_configs =
+    Marlin/config.ini
     ini/avr.ini
     ini/due.ini
     ini/esp32.ini
@@ -44,6 +45,7 @@ extra_configs =
 build_flags        = -g3 -D__MARLIN_FIRMWARE__ -DNDEBUG
                      -fmax-errors=5
 extra_scripts      =
+  pre:buildroot/share/PlatformIO/scripts/configuration.py
   pre:buildroot/share/PlatformIO/scripts/common-dependencies.py
   pre:buildroot/share/PlatformIO/scripts/common-cxxflags.py
   pre:buildroot/share/PlatformIO/scripts/preflight-checks.py
@@ -267,17 +269,10 @@ framework         = arduino
 extra_scripts     = ${common.extra_scripts}
 build_flags       = ${common.build_flags}
 lib_deps          = ${common.lib_deps}
-platform_packages = platformio/tool-dfuutil@^1.11.0
 monitor_speed     = 250000
-monitor_flags     =
-  --quiet
-  --echo
-  --eol
-    LF
-  --filter
-    colorize
-  --filter
-    time
+monitor_eol       = LF
+monitor_echo      = yes
+monitor_filters   = colorize, time, send_on_enter
 
 #
 # Just print the dependency tree