19 lines
364 B
Ruby
19 lines
364 B
Ruby
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# turn byte array into hex string
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def str_hex(data)
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data.unpack("H*").first.scan(/../).join(' ').upcase
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end
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# turn hex string to byte array
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def str_bytes(str)
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str.scan(/../).map{ |b| b.to_i(16) }
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end
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def bytes_to_str(data)
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data.unpack("H*").join('')
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end
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def get_byte(data, start = 0, num = 1)
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data[start...(start+num)].unpack("H*").join('').upcase
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end
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