Add Lerdge S,X,K (#18302)

buildroot/share/PlatformIO/scripts/copy_marlin_variant_to_framework.py

@@ -0,0 +1,47 @@
+import os,shutil
+from SCons.Script import DefaultEnvironment
+from platformio import util
+
+def copytree(src, dst, symlinks=False, ignore=None):
+    for item in os.listdir(src):
+        s = os.path.join(src, item)
+        d = os.path.join(dst, item)
+        if os.path.isdir(s):
+            shutil.copytree(s, d, symlinks, ignore)
+        else:
+            shutil.copy2(s, d)
+
+env = DefaultEnvironment()
+platform = env.PioPlatform()
+board = env.BoardConfig()
+variant = board.get("build.variant")
+variant_dir = ' +<buildroot/share/PlatformIO/variants/' + variant + '>';
+src_filter = env.get("SRC_FILTER")
+print("Starting SRC Filter:", env.get("SRC_FILTER"))
+src_filter_value = src_filter[0];
+
+src_filter_value = src_filter_value + variant_dir
+src_filter[0] = src_filter_value;
+env["SRC_FILTER"] = src_filter
+
+print("Modified SRC Filter:", env.get("SRC_FILTER"))
+
+cxx_flags = env['CXXFLAGS']
+print("CXXFLAGS", cxx_flags)
+
+FRAMEWORK_DIR = platform.get_package_dir("framework-arduinoststm32")
+assert os.path.isdir(FRAMEWORK_DIR)
+assert os.path.isdir("buildroot/share/PlatformIO/variants")
+
+variant_dir = os.path.join(FRAMEWORK_DIR, "variants", variant)
+
+source_dir = os.path.join("buildroot/share/PlatformIO/variants", variant)
+assert os.path.isdir(source_dir)
+
+if os.path.isdir(variant_dir):
+    shutil.rmtree(variant_dir)
+
+if not os.path.isdir(variant_dir):
+    os.mkdir(variant_dir)
+
+copytree(source_dir, variant_dir)

buildroot/share/PlatformIO/scripts/lerdge.py

@@ -0,0 +1,46 @@
+import os,sys
+Import("env")
+
+from SCons.Script import DefaultEnvironment
+board = DefaultEnvironment().BoardConfig()
+
+custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/lerdge.ld")
+for i, flag in enumerate(env["LINKFLAGS"]):
+    if "-Wl,-T" in flag:
+        env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
+    elif flag == "-T":
+        env["LINKFLAGS"][i + 1] = custom_ld_script
+
+def encryptByte(byte):
+    byte = 0xFF & ((byte << 6) | (byte >> 2))
+    i = 0x58 + byte
+    j = 0x05 + byte + (i >> 8)
+    byte = (0xF8 & i) | (0x07 & j)
+    return byte
+
+def encrypt_file(input, output_file, file_length):
+    input_file = bytearray(input.read())
+    for i in range(len(input_file)):
+        result = encryptByte(input_file[i])
+        input_file[i] = result
+
+    output_file.write(input_file)
+    return
+
+# Encrypt ${PROGNAME}.bin and save it as build.firmware
+def encrypt(source, target, env):
+    print("Encrypting to:", board.get("build.firmware"))
+    firmware = open(target[0].path, "rb")
+    result = open(target[0].dir.path + "/" + board.get("build.firmware"), "wb")
+    length = os.path.getsize(target[0].path)
+
+    encrypt_file(firmware, result, length)
+
+    firmware.close()
+    result.close()
+
+if 'firmware' in board.get("build").keys():
+  env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);
+else:
+  print("You need to define output file via board_build.firmware = 'filename' parameter")
+  exit(1);

buildroot/share/PlatformIO/scripts/stm32_bootloader.py

@@ -0,0 +1,30 @@
+import os,sys,shutil
+Import("env")
+
+from SCons.Script import DefaultEnvironment
+board = DefaultEnvironment().BoardConfig()
+
+def noencrypt(source, target, env):
+  firmware = os.path.join(target[0].dir.path, board.get("build.firmware"))
+  # do not overwrite encrypted firmware if present
+  if not os.path.isfile(firmware):
+    shutil.copy(target[0].path, firmware)
+
+if 'offset' in board.get("build").keys():
+  LD_FLASH_OFFSET = board.get("build.offset")
+
+  for define in env['CPPDEFINES']:
+    if define[0] == "VECT_TAB_OFFSET":
+      env['CPPDEFINES'].remove(define)
+  env['CPPDEFINES'].append(("VECT_TAB_OFFSET", LD_FLASH_OFFSET))
+
+  maximum_ram_size = board.get("upload.maximum_ram_size")
+
+  for i, flag in enumerate(env["LINKFLAGS"]):
+    if "-Wl,--defsym=LD_FLASH_OFFSET" in flag:
+      env["LINKFLAGS"][i] = "-Wl,--defsym=LD_FLASH_OFFSET=" + LD_FLASH_OFFSET
+    if "-Wl,--defsym=LD_MAX_DATA_SIZE" in flag:
+      env["LINKFLAGS"][i] = "-Wl,--defsym=LD_MAX_DATA_SIZE=" + str(maximum_ram_size - 40)
+
+  if 'firmware' in board.get("build").keys():
+    env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", noencrypt);