mirror of
https://github.com/buildwithparallel/mm-iot-sdk
synced 2026-08-10 21:27:58 -04:00
fa615c4bba
This commit introduces version 2.6.4 of the Morse Micro MM-IoT-SDK for microcontroller based platforms.
83 lines
2.7 KiB
Python
Executable file
83 lines
2.7 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright 2023 Morse Micro
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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"""
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Emmet/Ace Firmware update example
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"""
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import argparse
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import hashlib
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import logging
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import os
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import sys
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import morse_common
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# Because this script is in the examples subdirectory we need to put the parent directory into
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# the Python path so that Python can find acelib. (This is not necessary when acelib is already
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# in the Python path.)
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sys.path.append(os.path.dirname(os.path.dirname(os.path.realpath(__file__))))
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from acelib import DutIf # noqa: E402
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from acelib.dutif import CommandExecutionError # noqa: E402
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FILE_CHUNK_SIZE = 1024
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DEFAULT_GDB_PORT = 3333
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DEFAULT_TCL_PORT = 6666
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def _main():
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parser = argparse.ArgumentParser(formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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description=__doc__)
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parser.add_argument("-v", "--verbose", action="count", default=0,
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help="Increase verbosity of log messages (repeat for increased verbosity)")
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parser.add_argument("-H", "--debug-host", required=True,
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help="Hostname of machine on which OpenOCD is running")
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parser.add_argument("-g", "--gdb-port", default=DEFAULT_GDB_PORT, type=int,
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help="GDB port to use")
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parser.add_argument("-t", "--tcl-port", default=DEFAULT_TCL_PORT, type=int,
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help="OpenOCD TCL port to use")
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parser.add_subparsers(help="sub-command help", dest="command")
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parser.add_argument("-f", "--file", required=True,
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help="MBIN file to load")
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args = parser.parse_args()
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morse_common.configure_logging(args.verbose)
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dutif = DutIf(debug_host=args.debug_host, gdb_port=args.gdb_port, tcl_port=args.tcl_port)
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# Generate SHA256 hash of MBIN file
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hash = hashlib.new("sha256")
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with open(args.file, "rb") as f:
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hash.update(f.read())
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dutif.exec("config/write", key="IMAGE_SIGNATURE", payload=hash.digest())
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devicefile = "update.mbin"
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with open(args.file, "rb") as f:
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# Delete any existing file before starting
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try:
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dutif.exec("file/del", path=devicefile)
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except CommandExecutionError:
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pass
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while True:
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# Read file in chunks and send to device
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buffer = f.read(FILE_CHUNK_SIZE)
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if not buffer:
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break
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dutif.exec("file/write", path=devicefile, payload=buffer)
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logging.info("File transferred successfully")
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# Write UPDATE_IMAGE key
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dutif.exec("config/write", key="UPDATE_IMAGE", payload=bytes(devicefile + "\0", "utf-8"))
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# Reset device to trigger loader
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dutif.reset()
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if __name__ == "__main__":
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_main()
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