Filaman/scripts/create_full_bin.py

48 lines
1.4 KiB
Python

import os
import shutil
from platformio import util
Import("env")
def create_full_bin(source, target, env):
# Get paths
firmware_path = str(target[0])
build_dir = os.path.dirname(firmware_path)
project_dir = env.get("PROJECT_DIR")
# Create full binary
firmware_name = os.path.basename(firmware_path)
spiffs_bin = os.path.join(build_dir, "spiffs.bin")
full_bin = os.path.join(build_dir, "full.bin")
print("Creating full.bin...")
# Check if files exist
if not os.path.exists(firmware_path):
print("Error: Firmware binary not found!")
return
if not os.path.exists(spiffs_bin):
print("Error: SPIFFS binary not found!")
return
# Calculate padding size
firmware_size = os.path.getsize(firmware_path)
padding_size = 0x3D0000 - firmware_size # SPIFFS start address - firmware size
# Create full binary
with open(full_bin, 'wb') as outfile:
# Copy firmware
with open(firmware_path, 'rb') as f:
outfile.write(f.read())
# Add padding
outfile.write(b'\xFF' * padding_size)
# Copy SPIFFS
with open(spiffs_bin, 'rb') as f:
outfile.write(f.read())
print(f"Created full.bin ({os.path.getsize(full_bin)} bytes)")
# Register the callback
env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", create_full_bin)