crc5 = bitstr_to_num(packet[27:31 + 1])
crc5_calc = calc_crc5(packet[16:27])
self.ss, self.es = self.bits[27][1], self.bits[31][2]
crc5 = bitstr_to_num(packet[27:31 + 1])
crc5_calc = calc_crc5(packet[16:27])
self.ss, self.es = self.bits[27][1], self.bits[31][2]