Lines Matching refs:frame

806         frame = [
819             frame.append(b)
820         frame.append(((~data_sum & 0xFF) + 0x01) & 0xFF)  # Data checksum
822         frame.append(0x00)  # Postamble
824             "Constructed frame " + hexlify(bytearray(frame)).decode()
826         return bytearray(frame)
828     def _write(self, frame):  argument
832             frame = _LONG_PREAMBLE + frame
833         self.device.write(frame)
835     def _send_frame(self, frame, timeout=0.5):  argument
837         self._write(frame)
850         frame = bytearray(self.device.read(6))
852         if (len(frame)) == 0:
856         if bytes(frame) != _ACK_FRAME:
858                 "Did not get ACK frame, got %s", hexlify(frame).decode()
861         frame = bytearray(self.device.read(6))
863         if (len(frame)) == 0:
866         if bytes(frame[0:3]) != _SOF:
869                 hexlify(frame[0:3]).decode(),
872         data_len = frame[3]
873         length_checksum = frame[4]
878         tfi = frame[5]
881                 "Unexpected TFI byte when performing read, got %02x", frame[5]
897                     frame[4],
904             hexlify(frame).decode(),