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merge_binaries.py
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merge_binaries.py
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import os, time
def log_message(message):
print(
"SOTACAT merging step: " + message
) # Or use logging module for more advanced logging
def merge_binaries(source, target, env):
import subprocess
log_message("Preparing to merge firmware binaries...")
project_dir = env.subst("$PROJECT_DIR")
build_dir = env.subst("$BUILD_DIR")
firmware_dir = os.path.join(project_dir, "firmware")
os.makedirs(firmware_dir, exist_ok=True) # Ensure directory exists
bootloader_bin = os.path.join(build_dir, "bootloader.bin")
partitions_bin = os.path.join(build_dir, "partitions.bin")
app_bin = os.path.join(build_dir, "firmware.bin")
merged_firmware_path = os.path.join(firmware_dir, "webtools", "esp32c3.bin")
# Check for the existence of required binaries
for bin_file in [bootloader_bin, partitions_bin, app_bin]:
if not os.path.exists(bin_file):
log_message(f"Error: Required binary file missing: {bin_file}")
return # Exit if any required binary is missing
home_path = os.environ.get("HOME") or os.environ.get("USERPROFILE")
esptool_path = os.path.join(
home_path, ".platformio", "packages", "tool-esptoolpy", "esptool.py"
)
python_exe = env["PYTHONEXE"]
command = [
python_exe,
esptool_path,
"--chip",
"esp32c3",
"merge_bin",
"-o",
merged_firmware_path,
"--flash_mode",
"dio",
"--flash_freq",
"80m",
"--flash_size",
"4MB",
"0x0000",
bootloader_bin,
"0x8000",
partitions_bin,
"0x10000",
app_bin,
]
log_message(
"Merging firmware binaries with the following command: " + " ".join(command)
)
subprocess.run(command, check=True)
log_message(f"Merged firmware created at: {merged_firmware_path}")