0.8.119

* added script and [instructions](../manual/factory_firmware.md) how to generate factory firmware which includes predefined settings

scripts/add_littlefs_binary.py

@@ -0,0 +1,55 @@
+import os
+import subprocess
+import shutil
+Import("env")
+
+
+def build_littlefs():
+    result = subprocess.run(["pio", "run", "--target", "buildfs", "--environment", env['PIOENV']])
+    if result.returncode != 0:
+        print("Error building LittleFS:")
+        exit(1)
+    else:
+        print("LittleFS build successful")
+
+def merge_bins():
+    flash_size = int(env.get("BOARD_FLASH_SIZE", "4MB").replace("MB", ""))
+    app0_offset = 0x10000
+    if env['PIOENV'][:7] == "esp8266":
+        app0_offset = 0
+    elif env['PIOENV'][:7] == "esp8285":
+        app0_offset = 0
+
+    littlefs_offset = 0x290000
+    if flash_size == 8:
+        littlefs_offset = 0x670000
+    elif flash_size == 16:
+        littlefs_offset = 0xc90000
+
+    # save current wd
+    start = os.getcwd()
+    os.chdir('.pio/build/' + env['PIOENV'] + '/')
+
+    with open("firmware.bin", "rb") as firmware_file:
+        firmware_data = firmware_file.read()
+
+    with open("littlefs.bin", "rb") as littlefs_file:
+        littlefs_data = littlefs_file.read()
+
+    with open("firmware.factory.bin", "wb") as merged_file:
+        # fill gap with 0xff
+        merged_file.write(firmware_data)
+        if len(firmware_data) < (littlefs_offset - app0_offset):
+            merged_file.write(b'\xFF' * ((littlefs_offset - app0_offset) - len(firmware_data)))
+
+        merged_file.write(littlefs_data)
+
+    os.chdir(start)
+
+def main(target, source, env):
+    build_littlefs()
+    merge_bins()
+
+
+# ensure that script is called once firmeware was compiled
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", main)