157 lines
4.3 KiB
Python
157 lines
4.3 KiB
Python
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"""
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flash_esp8266.py
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Version: 1.0.0
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Author: [Dein Name]
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Copyright: 2023
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License: MIT
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Beschreibung:
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Dieses Skript entpackt ein ZIP-Archiv mit Firmware- und Dateisystem-Dateien und flasht diese auf einen ESP8266.
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Die entpackten Dateien werden nach dem Flashen gelöscht.
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Versionshistorie:
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1.0.0 - Initiale Version
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Benutzung:
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python flash_esp8266.py <zip_file> [-v]
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Optionen:
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-v Aktiviert Debug-Ausgaben
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"""
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import esptool
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import sys
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import serial.tools.list_ports
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import zipfile
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import os
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import gzip
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import shutil
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BAUD_RATE = 921600 # Erhöhte Baudrate
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DEBUG = '-v' in sys.argv
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def debug_print(message):
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if DEBUG:
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print(message)
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def get_com_ports():
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ports = [comport.device for comport in serial.tools.list_ports.comports()]
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debug_print(f"Verfügbare COM-Ports: {ports}")
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return ports
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def find_new_com_port(old_ports, timeout=15):
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debug_print("Suche nach neuen COM-Ports...")
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import time
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start_time = time.time()
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while time.time() - start_time < timeout:
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new_ports = get_com_ports()
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added_ports = list(set(new_ports) - set(old_ports))
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if added_ports:
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new_port = added_ports[0]
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print(f"Neuer COM-Port gefunden: {new_port}")
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return new_port
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time.sleep(1)
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return None
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def extract_files(zip_file):
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with zipfile.ZipFile(zip_file, 'r') as zip_ref:
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zip_ref.extractall()
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debug_print(f"Entpackt: {zip_ref.namelist()}")
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return zip_ref.namelist()
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def decompress_gz(file_path):
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output_file = file_path.replace('.gz', '')
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with gzip.open(file_path, 'rb') as f_in:
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with open(output_file, 'wb') as f_out:
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shutil.copyfileobj(f_in, f_out)
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debug_print(f"Entpackt {file_path} zu {output_file}")
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return output_file
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def clean_up(files):
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for file in files:
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if os.path.isfile(file):
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os.remove(file)
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debug_print(f"Gelöscht: {file}")
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("Verwendung: python flash_esp8266.py <zip_file> [-v]")
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sys.exit(1)
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ZIP_FILE = sys.argv[1]
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# Überprüfe, ob das ZIP-Archiv existiert
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if not os.path.isfile(ZIP_FILE):
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print(f"ZIP-Archiv {ZIP_FILE} nicht gefunden.")
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sys.exit(1)
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# Entpacke das ZIP-Archiv
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extracted_files = extract_files(ZIP_FILE)
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# Finde die .fw.bin- und .fs.gz-Dateien
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bin_file = None
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fs_file = None
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for file in extracted_files:
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if file.endswith('.fw.bin'):
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bin_file = file
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elif file.endswith('.fs.gz'):
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fs_file = file
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if not bin_file or not fs_file:
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print(f"Die erforderlichen Dateien (.fw.bin und .fs.gz) wurden nicht im ZIP-Archiv {ZIP_FILE} gefunden.")
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sys.exit(1)
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print(f"Gefundene Firmware-Datei: {bin_file}")
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print(f"Gefundene Dateisystem-Datei: {fs_file}")
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# Entpacke die .fs.gz-Datei
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decompressed_fs_file = decompress_gz(fs_file)
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print("Bitte stecke den ESP8266 ab, falls er angeschlossen ist, und drücke Enter.")
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input()
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print("Suche nach verfügbaren COM-Ports...")
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old_ports = get_com_ports()
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print("Bitte stecke den ESP8266 jetzt an und warte, bis der neue COM-Port erkannt wird...")
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port = find_new_com_port(old_ports, timeout=15)
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if port is None:
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print("Kein neuer COM-Port gefunden. Bitte versuche es erneut.")
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sys.exit(1)
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print(f"Neuer COM-Port gefunden: {port}")
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# Benutze esptool zum Flashen der Firmware und des Dateisystems
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try:
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# Flashen der Firmware
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esptool_args_bin = [
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'--port', port,
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'--baud', str(BAUD_RATE),
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'write_flash', '-fm', 'dout', '0x00000', bin_file
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]
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esptool.main(esptool_args_bin)
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print("Firmware erfolgreich geflasht!")
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# Flashen des Dateisystems
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esptool_args_fs = [
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'--port', port,
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'--baud', str(BAUD_RATE),
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'write_flash', '0x300000', decompressed_fs_file
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]
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esptool.main(esptool_args_fs)
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print("Dateisystem erfolgreich geflasht!")
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# Bereinigen der entpackten Dateien
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clean_up(extracted_files)
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clean_up([decompressed_fs_file])
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except Exception as e:
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print(f"Fehler beim Flashen: {e}")
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sys.exit(1)
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input("Drücke Enter, um das Fenster zu schließen...") # Hält das Fenster offen
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