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+#!/usr/bin/python3
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+# -*- coding: utf-8 -*-
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+from typing import Dict
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+
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+# ließ und schreibt RGB Daten für die farbige Tastaturbeleuchtung auf Clevo NL51 Laptops
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+# Notwendigerweise müssen die Treiber von NovaCustom oder Tuxedo kompiliert und geladen sein
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+# siehe: https://wiki.siningsoft.de/doku.php?id=terra:1500p
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+# Kernelmodul: tuxedo_keyboard
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+
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+# 2026-02-02 - devnull - initial
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+# 2026-02-03 - devnull - added Brightness restore
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+# 2026-02-04 - devnull - JSON statefile
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+# 2026-02-11 - devnull - Einführung einer Klasse
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+
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+ver="1.1"
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+
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+import os
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+import sys
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+import argparse
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+import json
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+
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+
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+
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+class kbdLED_class:
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+
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+ # 2026-02-11 - devnull - Einführung einer Klassendefinition
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+
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+ # diese Versionsnummer wird getrennt vom Programmcode geführt, da es sich getrennt entwickeln wird
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+ __version__ = 1.1
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+ config = Dict()
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+
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+ # Objekt erzeugen
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+ def __init__(self, cmd, kbd_state_fp='/var/lib/kbdLED.state.json', sysfs_color_fp='/sys/devices/platform/tuxedo_keyboard/leds/rgb:kbd_backlight/multi_intensity', sysfs_bri_fp='/sys/devices/platform/tuxedo_keyboard/leds/rgb:kbd_backlight/brightness'):
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+
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+ self.config['sysfs']['color']=sysfs_color_fp
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+ self.config['sysfs']['bri']=sysfs_bri_fp
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+ self.config['state']=kbd_state_fp
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+
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+ if cmd=="start":
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+ self.readStateFile(self.config['state'])
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+ self.writeColor()
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+ self.writeBrightness()
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+
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+ elif cmd=="stop":
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+ self.readColor()
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+ self.readBrightness()
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+ self.writeStateFile(self.config['state'])
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+
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+
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+
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+ def readStateFile(kbd_state_fp):
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+
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+ config = {"color":
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+ {"R": 255,
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+ "G": 255,
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+ "B": 255},
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+ "Brightness": 255
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+ }
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+
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+ try:
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+ with open(kbd_state_fp, 'r') as kbd_state_fh:
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+ config = json.load(kbd_state_fh)
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+
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+ except FileNotFoundError:
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+ print("keine Statusdatei gefunden, nutze Standardwerte")
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+ except PermissionError:
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+ print("Fehler beim lesen")
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+
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+ return config
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+
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+ def writeStateFile(kbd_state_fp):
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+ try:
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+ with open(kbd_state_fp, 'w') as kbd_state_fh:
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+ json.dump(self.config, kbd_state_fh)
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+
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+ except FileNotFoundError:
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+ print("Verzeichnis nicht gefunden")
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+
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+ return True
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+
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+ # color String nach Config Dict
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+ def color2dict(self,color_string):
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+ ca=color_string.split(" ")
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+ self.config['color']['R'] = int(ca[0])
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+ self.config['color']['G'] = int(ca[1])
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+ self.config['color']['B'] = int(ca[2])
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+
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+ # color Confi Dict nach String
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+ def dict2color(self):
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+ return self.config['color']['R'] + " " + self.config['color']['G'] + " " + self.config['color']['B']
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+
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+ # reads the color Values from sysfs
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+ def readColor(self):
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+ try:
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+ with open(self.config['sysfs']['sysfs_color_fp']) as fh:
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+ self.color2dict(fh.read())
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+
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+ except FileNotFoundError:
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+ print("- fehler beim Öffnen der Sysfs Datei " + self.config['sysfs']['sysfs_color_fp'])
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+ sys.exit(1)
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+ except PermissionError:
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+ print("- keine Rechte die Datei zu lesen " + self.config['sysfs']['sysfs_color_fp'])
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+ sys.exit(1)
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+
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+
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+ # writes the color values to sysfs
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+ def writeColor(self):
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+ try:
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+ with open(self.config['sysfs']['color']) as fh:
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+ fh.write(self.dict2color())
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+
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+ except FileNotFoundError:
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+ print("- fehler beim Schreiben der Sysfs Datei " + self.config['sysfs']['color'])
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+ sys.exit(1)
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+ except PermissionError:
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+ print("- keine Rechte die Datei zu schreiben " + self.config['sysfs']['color'])
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+ sys.exit(1)
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+
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+ # reads Brightness from sysfs
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+ def readBrightness(self):
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+ try:
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+ with open(self.config['sysfs']['bri']) as fh:
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+ self.config['Brightness'] = int(fh.read())
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+
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+ except FileNotFoundError:
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+ print("- fehler beim Öffnen der Sysfs Datei " + self.config['sysfs']['bri'])
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+ sys.exit(1)
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+ except PermissionError:
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+ print("- keine Rechte die Datei zu lesen " + self.config['sysfs']['bri'])
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+ sys.exit(1)
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+
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+ # writes Brightness to sysfs
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+ def writeBrightness(self):
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+ try:
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+ with open(self.config['sysfs']['bri']) as fh:
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+ fh.write(self.config['Brightness'])
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+
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+ except FileNotFoundError:
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+ print("- fehler beim Schreiben der Sysfs Datei " + self.config['sysfs']['bri'])
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+ sys.exit(1)
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+ except PermissionError:
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+ print("- keine Rechte die Datei zu schreiben " + self.config['sysfs']['bri'])
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+ sys.exit(1)
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+
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+
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+# Press the green button in the gutter to run the script.
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+if __name__ == '__main__':
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+
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+ parser = argparse.ArgumentParser(
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+ prog='T1500_KeyboardLED',
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+ description='saves and restore LED Colors',
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+ epilog='GPL')
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+ startstop = parser.add_mutually_exclusive_group()
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+ startstop.add_argument('--start', action='store_true', help='will be used for system starts')
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+ startstop.add_argument('--stop', action='store_true', help='will be used for system shutdowns')
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+ startstop.add_argument('--version', action='version', version='%(prog)s ' + ver, default='d')
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+
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+ args = parser.parse_args()
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+
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+ if args.start:
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+ print("Keyboard: read and set Color and Brightness")
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+ kL = kbdLED_class("start")
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+
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+ elif args.stop:
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+ print("Keyboard: read and save Color and Brightness")
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+ kL = kbdLED_class("stop")
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+
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+ else:
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+ parser.print_help()
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+ sys.exit((1))
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+
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+sys.exit(0)
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