724 lines
No EOL
17 KiB
Python
724 lines
No EOL
17 KiB
Python
import re
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from argparse import ArgumentParser
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from raspyrfm import *
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import threading
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import time
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class RcProtocol:
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def __init__(self):
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self.__numbits = 0
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self._ookdata = bytearray()
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self.__bbuf = 0
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self.__bval = 0
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self._parser = ArgumentParser()
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self._lastdecode = None
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self._lastdecodetime = 0
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sympulses = []
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for i in self._symbols:
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sympulses += self._symbols[i]
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sympulses.sort(reverse=True)
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i = 0
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while i<len(sympulses) - 1:
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if (sympulses[i] == sympulses[i+1]):
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del sympulses[i]
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else:
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i += 1
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p1 = sympulses.pop(0)
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p2 = sympulses.pop(0)
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f = (1.0 * p1 / p2 - 1) / (1.0 * p1/p2 + 2)
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self._minwidth = self._timebase - self._timebase * f
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self._maxwidth = self._timebase + self._timebase * f
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def _reset(self):
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self.__numbits = 0
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self._ookdata = bytearray()
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self.__bbuf = 0
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self.__bval = 0
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def _add_pulses(self, numbits):
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for num in numbits:
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self.__bval ^= 1
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for i in range(num):
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self.__bbuf <<= 1
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self.__bbuf |= self.__bval
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self.__numbits += 1
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if self.__numbits == 8:
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self._ookdata.append(self.__bbuf)
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self.__bbuf = 0
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self.__numbits = 0
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def _add_finish(self):
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if (self.__numbits > 0):
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self.__bval ^= 1
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self._add_pulses([8 - self.__numbits])
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def _add_symbols(self, symbols):
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for s in symbols:
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sym = self._symbols[s]
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for pulse in sym:
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self._add_pulses([pulse])
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def _match_symbol(self, pulsetrain, symbol):
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if len(pulsetrain) != len(symbol):
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return False
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sumpulse = 0
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sumstep = 0
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for i, v in enumerate(symbol):
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if not (self._minwidth <= 1.0 * pulsetrain[i] / v <= self._maxwidth):
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return
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sumpulse += pulsetrain[i]
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sumstep += v
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return (sumpulse, sumstep)
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def _decode_symbols(self, pulsetrain):
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#match symbols
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dec = ""
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pos = 0
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sumpulse = 0
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sumstep = 0
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while pos < len(pulsetrain):
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match = None
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for s in self._symbols:
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slen = len(self._symbols[s])
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match = self._match_symbol(pulsetrain[pos:pos+slen], self._symbols[s])
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if match:
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dec += s
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pos += slen
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sumpulse += match[0]
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sumstep += match[1]
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break
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if not match:
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return None, None, None
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print("code: ", dec)
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if re.match("^" + self._pattern + "$", dec):
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rep = True
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if (self._lastdecode != dec) or (time.time() - self._lastdecodetime > 0.5):
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self._lastdecode = dec
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rep = False
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self._lastdecodetime = time.time()
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return dec, int(1.0 * sumpulse / sumstep), rep
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return None, None, None
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def decode(self, pulsetrain):
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pass
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def encode(self, args):
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pass
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class IT32(RcProtocol): #switch1
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def __init__(self):
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self._name = "it32"
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self._timebase = 250
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self._repetitions = 4
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self._pattern = "[01]{32}"
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self._symbols = {
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'0': [1, 1, 1, 5],
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'1': [1, 5, 1, 1],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-c", "--code")
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self._parser.add_argument("-i", "--id", type=int, required=True)
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self._parser.add_argument("-u", "--unit", type=int, required=True)
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self._parser.add_argument("-s", "--state", type=int, required=True)
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def __encode(self, code):
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self._reset()
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self._add_pulses([1, 11])
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self._add_symbols(code)
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self._add_pulses([1, 39])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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def encode(self, args):
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if hasattr(args, "code") and args.code:
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if re.match("^[01]{32}$", args.code):
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return self.__encode(args.code)
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code = ""
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code += "{:026b}".format(args.id)
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code += "0" #group
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code += "1" if args.state != 0 else "0"
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code += "{:04b}".format(args.unit - 1)
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return self.__encode(code)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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"id": int(code[0:26], 2),
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"group": int(code[26:27], 2),
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"state": int(code[27:28], 2),
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"unit": int(code[28:32], 2) + 1,
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}, rep
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class ITTristate(RcProtocol): #old intertechno systems
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def __init__(self):
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self._name = "ittristate"
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self._timebase = 300
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self._repetitions = 4
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self._pattern = "[01fF]{12}"
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self._symbols = {
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'0': [1, 4, 1, 4],
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'1': [4, 1, 4, 1],
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'f': [1, 4, 4, 1],
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'F': [1, 4, 4, 1],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-c", "--code")
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self._parser.add_argument("-o", "--house")
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self._parser.add_argument("-g", "--group", type=int)
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self._parser.add_argument("-u", "--unit", type=int)
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self._parser.add_argument("-s", "--state", type=int)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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}, rep
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def __encode(self, code):
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self._reset()
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self._add_symbols(code)
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self._add_pulses([1, 31])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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def __encode_int(self, ival, digits):
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code = ""
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for i in range(digits):
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code += "f" if (ival & 0x01) > 0 else "0"
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ival >>= 1
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return code
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def encode(self, args):
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if hasattr(args, 'code') and args.code:
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if re.match("^[01Ff]{12}$", args.code):
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return self.__encode(args.code)
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code = ""
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code += self.__encode_int(ord(args.house[0]) - ord('A'), 4)
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if hasattr(args, 'group') and args.group:
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code += self.__encode_int(args.group - 1, 2)
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code += self.__encode_int(args.unit - 1, 2)
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else:
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code += self.__encode_int(args.unit - 1, 4)
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code += "0f"
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code += "ff" if args.state > 0 else "f0"
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return self.__encode(code)
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class Bistate24(RcProtocol):
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def __init__(self):
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self._name = "bistate24"
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self._timebase = 300
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self._repetitions = 6
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self._pattern = "[01]{24}"
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self._symbols = {
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'1': [3, 1],
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'0': [1, 3],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-c", "--code", required=True)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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}, rep
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def encode(self, args):
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self._reset()
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self._add_symbols(args.code)
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self._add_pulses([1, 31])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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class Switch15(Bistate24): #e. g. logilight
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def __init__(self):
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Bistate24.__init__(self)
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self._name = "switch15"
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#remove code argument
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carg = self._parser._actions[-1]
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carg.container._remove_action(carg)
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self._parser.add_argument("-i", "--id", type=int, required=True)
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self._parser.add_argument("-u", "--unit", type=int, required=True)
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self._parser.add_argument("-s", "--state", type=int, required=True)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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state = int(code[20:21])
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unit = int(code[21:24], 2)
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all = False
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if unit == 7:
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unit = 1
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elif unit == 3:
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unit = 2
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elif unit == 5:
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unit = 3
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elif unit == 6:
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unit = 4
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else:
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unit = 0
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state = not state
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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"id": int(code[0:20], 2),
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"unit": unit,
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"state": state,
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}, rep
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def encode(self, args):
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self._reset()
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sym = '{:020b}'.format(args.id)
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if args.unit == 1:
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unit = 7
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elif args.unit == 2:
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unit = 3
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elif args.unit == 3:
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unit = 5
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elif args.unit == 4:
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unit = 6
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else:
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raise Exception("invalid unit")
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sym += '1' if args.state > 0 else '0'
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sym += '{:03b}'.format(unit)
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self._add_symbols(sym)
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self._add_pulses([1, 31])
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self._add_finish()
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return self._ookdata, self._timebase, 10 if args.state == 2 else self._repetitions
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class Emylo(Bistate24):
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def __init__(self):
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Bistate24.__init__(self)
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self._name = "emylo"
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#remove code argument
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carg = self._parser._actions[-1]
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carg.container._remove_action(carg)
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self._parser.add_argument("-i", "--id", type=int, required=True)
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self._parser.add_argument("-k", "--key", required=True)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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key = int(code[20:24], 2)
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if key == 1:
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key = 'A'
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elif key == 2:
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key = 'B'
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elif key == 4:
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key = 'C'
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elif key == 8:
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key = 'D'
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else:
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return
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return {
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"protocol": self._name,
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"timebase": tb,
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"id": int(code[0:20], 2),
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"key": key,
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}, rep
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def encode(self, args):
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self._reset()
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sym = '{:020b}'.format(args.id)
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if args.key == "A":
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sym += "0001"
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elif args.key == "B":
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sym += "0010"
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elif args.key == "C":
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sym += "0100"
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elif args.key == "D":
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sym += "1000"
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else:
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return
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self._add_symbols(sym)
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self._add_pulses([1, 31])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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class FS20(RcProtocol):
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def __init__(self):
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self._name = "fs20"
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self._timebase = 200
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self._repetitions = 4
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self._pattern = "0000000000001[01]{45}"
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self._symbols = {
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'0': [2, 2],
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'1': [3, 3],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-o", "--house", type=int, required=True)
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self._parser.add_argument("-a", "--address", type=int, required=True)
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self._parser.add_argument("-d", "--cmd", type=int, required=True)
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def __encode_byte(self, b):
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self._add_symbols('{:08b}'.format(b))
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par = 0
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while b:
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par ^= 1
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b &= b-1
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self._add_symbols('1' if par != 0 else '0')
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def encode(self, args):
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self._reset()
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self._add_symbols("0000000000001")
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self.__encode_byte(args.house >> 8)
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self.__encode_byte(args.house & 0xFF)
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self.__encode_byte(args.address)
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self.__encode_byte(args.cmd)
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q = 0x06 + (args.house >> 8) + (args.house & 0xFF) + args.address + args.cmd
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self.__encode_byte(q & 0xFF)
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self._add_pulses([1, 100])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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"housecode": int(code[13:21] + code[22:30] , 2),
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"address": int(code[31:39], 2),
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"cmd": int(code[40:48], 2),
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}, rep
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class Voltcraft(RcProtocol):
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def __init__(self):
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self._name = "voltcraft"
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self._timebase = 600
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self._repetitions = 4
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self._pattern = "[01]{20}"
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self._symbols = {
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'0': [1, 2],
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'1': [2, 1],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-i", "--id", type=int, required=True)
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self._parser.add_argument("-u", "--unit", type=int, required=True)
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self._parser.add_argument("-s", "--state", type=int, required=True)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[1:-1])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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"id": int(code[0:12][::-1], 2),
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"unit": int(code[12:14][::-1], 2) + 1,
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"state": int(code[14:17][::-1], 2) #0=off, 1=alloff, 2=on, 3=allon, 5=bright, 7=dim
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}, rep
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def encode(self, args):
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if not (args.state in [0, 2]):
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unit = 3
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else:
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unit = args.unit -1
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symbols = "{:012b}".format(args.id)[::-1]
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symbols += "{:02b}".format(unit)[::-1]
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symbols += "{:03b}".format(args.state)[::-1]
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symbols += "0"
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symbols += "1" if (symbols[12] == "1") ^ (symbols[14] == "1") ^ (symbols[16] == "1") else "0"
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symbols += "1" if (symbols[13] == "1") ^ (symbols[15] == "1") ^ (symbols[17] == "1") else "0"
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self._reset()
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self._add_pulses([1])
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self._add_symbols(symbols)
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self._add_pulses([132])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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class PDM32(RcProtocol):
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def __init__(self):
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self._name = "pdm32"
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self._timebase = 600
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self._repetitions = 6
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self._pattern = "[01]{32}"
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self._symbols = {
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'1': [1, 2],
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'0': [2, 1],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-c", "--code")
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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}, rep
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def encode(self, args):
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self._reset()
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self._add_symbols(args.code)
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self._add_pulses([1, 11])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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class PCPIR(RcProtocol): #pilota casa PIR sensor
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def __init__(self):
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self._name = "pcpir"
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self._timebase = 400
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self._repetitions = 5
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self._pattern = "[01]{12}"
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self._symbols = {
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'1': [1, 3, 1, 3],
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'0': [1, 3, 3, 1],
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}
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RcProtocol.__init__(self)
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self._parser.add_argument("-c", "--code", required=True)
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def decode(self, pulsetrain):
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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}, rep
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def encode(self, args):
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self._reset()
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self._add_symbols(args.code)
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self._add_pulses([1, 12])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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class PDM1(RcProtocol):
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'''
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PDM1: Pulse Distance Modulation
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Every bit consists of 2 shortpulses. Long distance between these pulses 2 pulses -> 1, else -> 0
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Frame: header, payload, footer
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Used by Intertechno self learning, Hama, ...
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'''
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def __init__(self):
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self._name = "pdm1"
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self._timebase = 275
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self._repetitions = 4
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self._pattern = "[01]*"
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self._symbols = {
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'0': [1, 1, 1, 5],
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'1': [1, 5, 1, 1],
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}
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self._header = [1, 11]
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self._footer = [1, 39]
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#self._values = [
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# ("c", "code")
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#]
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RcProtocol.__init__(self)
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self._parser.add_argument("-c", "--code", required=True)
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def decode(self, pulsetrain):
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print("decoding pwm 1")
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code, tb, rep = self._decode_symbols(pulsetrain[0:-2])
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print(code)
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if code:
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return {
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"protocol": self._name,
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"code": code,
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"timebase": tb,
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}, rep
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def encode(self, args):
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self._reset()
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self._add_symbols(args.code)
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self._add_pulses([1, 31])
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self._add_finish()
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return self._ookdata, self._timebase, self._repetitions
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protocols = [
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#IT32(),
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#Switch15(),
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#ITTristate(),
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#Voltcraft(),
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#FS20(),
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#Emylo(),
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#PDM32(),
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#Bistate24(),
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#PCPIR(),
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PDM1(),
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]
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RXDATARATE = 20.0 #kbit/s
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class RfmPulseTRX(threading.Thread):
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def __init__(self, module, rxcb, frequency):
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self.__rfm = RaspyRFM(module, RFM69)
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self.__rfm.set_params(
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Freq = frequency, #MHz
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Bandwidth = 200, #kHz
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SyncPattern = [],
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RssiThresh = -105, #dBm
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ModulationType = rfm69.OOK,
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OokThreshType = 1, #peak thresh
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OokPeakThreshDec = 3,
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Preamble = 0,
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TxPower = 13
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)
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self.__rxtraincb = rxcb
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self.__event = threading.Event()
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self.__event.set()
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threading.Thread.__init__(self)
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self.daemon = True
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self.start()
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def run(self):
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while True:
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self.__event.wait()
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self.__rfm.set_params(
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Datarate = RXDATARATE #kbit/s
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)
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self.__rfm.start_receive(self.__rxcb)
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def __rxcb(self, rfm):
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bit = False
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cnt = 1
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train = []
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bitfifo = 0
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while self.__event.isSet():
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fifo = rfm.read_fifo_wait(64)
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for b in fifo:
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mask = 0x80
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while mask != 0:
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#bitfifo <<= 1
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#if (b & mask != 0):
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# bitfifo |= 1
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#v = bitfifo & 0x3
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#c = 0
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#while v > 0:
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# v &= v - 1
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# c += 1
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newbit = (b & mask) != 0
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if newbit == bit:
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cnt += 1
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else:
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if cnt < 150*RXDATARATE/1000: #<150 us
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train *= 0 #clear
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elif cnt > 3000*RXDATARATE/1000:
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if not bit:
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train.append(cnt)
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if len(train) > 20:
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self.__rxtraincb(train)
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train *= 0 #clear
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elif len(train) > 0 or bit:
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train.append(cnt)
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cnt = 1
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bit = not bit
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mask >>= 1
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def send(self, train, timebase, repetitions):
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self.__event.clear()
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self.__rfm.set_params(
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Datarate = 1000.0 / timebase
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)
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self.__event.set()
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self.__rfm.send(train * repetitions)
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class RCStruct:
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def __init__(self, **entries):
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self.__dict__.update(entries)
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class RcTransceiver(threading.Thread):
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def __init__(self, module, frequency, rxcallback):
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threading.Thread.__init__(self)
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self.__lock = threading.Lock()
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self.__event = threading.Event()
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self.__trainbuf = []
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self.daemon = True
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self.start()
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self.__rxcb = rxcallback
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self.__rfmtrx = RfmPulseTRX(module, self.__pushPulseTrain, frequency)
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def __del__(self):
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del self.__rfmtrx
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def __pushPulseTrain(self, train):
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self.__lock.acquire()
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self.__trainbuf.append(list(train))
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self.__event.set()
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self.__lock.release()
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def __decode(self, train):
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dec = None
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res = []
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succ = False
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for p in protocols:
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dec = p.decode(train)
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if dec:
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succ = True
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if not dec[1]: #repeated?
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res.append(dec[0])
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return res, succ
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def send_dict(self, dict):
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s = RCStruct(**dict)
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for p in protocols:
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if p._name == s.protocol:
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try:
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txdata, tb, rep = p.encode(s)
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if hasattr(s, "timebase"):
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tb = s.timebase
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if hasattr(s, "repeats"):
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rep = s.repeats
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print("repeats", rep)
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self.__rfmtrx.send(txdata, tb, rep)
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except:
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print("Error in args!")
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break
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def send_args(self, protocol, args, timebase=None, repeats=None):
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for p in protocols:
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if p._name == protocol:
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try:
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txdata, tb, rep = p.encode(p._parser.parse_args(args))
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if timebase:
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tb = timebase
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if repeats:
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rep = repeats
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self.__rfmtrx.send(txdata, tb, rep)
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except:
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print("Error in args!")
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break
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def run(self):
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while True:
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self.__event.wait()
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self.__lock.acquire()
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train = None
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if len(self.__trainbuf) > 0:
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train = self.__trainbuf.pop()
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else:
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self.__event.clear()
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self.__lock.release()
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if (train != None):
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for i, v in enumerate(train):
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train[i] = int(v * 1000 / RXDATARATE) #convert to microseconds
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dec = self.__decode(train)
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#dec[0]: array of decoded protocols
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#dec[1]: true if at least 1 protocol was decoded
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if (not dec[1]) or (len(dec[0]) > 0):
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self.__rxcb(dec[0], train) |