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https://github.com/UberGuidoZ/Flipper.git
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51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
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# script to change the frequency of the Flipper SubGhz file
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# sample: python changefreq.py -f tesla.sub -o tesla_new.sub -r 433.92
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import os
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import argparse
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# parse input options:
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parser = argparse.ArgumentParser(description="Change the frequency of the SubGhz FFF file.")
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parser.add_argument("-f", "--file", help="input file")
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parser.add_argument("-o", "--outfile", help="output file")
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parser.add_argument("-r", "--newfreq", help="new frequency, can be decimal or whole: 433.92, 315, etc.")
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args = parser.parse_args()
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# check if all arguments present
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if args.file is None or args.outfile is None or args.newfreq is None:
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parser.print_help()
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exit()
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# check if input file exists
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if not os.path.isfile(args.file):
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print("File not found:", args.file)
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exit()
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# convert the fractional frequency to the whole number
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# example: 433.92 becomes 433920000
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if "." in args.newfreq:
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freqs = args.newfreq.split(".")
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newfreq = freqs[0] + freqs[1] + ("0" * (6 - len(freqs[1])))
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else:
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newfreq = args.newfreq + ("0" * 6)
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# open file
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f = open(args.file, 'r')
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# read file and copy it to the new one
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# if the line contains the frequency, replace it with the correct one
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fout = open(args.outfile, 'w')
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for line in f:
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if 'Frequency' in line:
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fout.write('Frequency: %s\n' % newfreq)
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else:
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fout.write(line)
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# close files
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f.close()
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fout.close()
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print("Successfully wrote file", args.outfile)
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