def write(self, out_binary):
""" Write to the MockStream, triggering a lookup for mock response. """
if CONFIG.DEBUG_STREAM_TX:
logging.debug("TX Raw: (%d) %s", len(out_binary),
util.hexify_bytes(out_binary))
out_hex = binascii.hexlify(out_binary)
in_hex = self.vector[out_hex]
self.rx_queue.put_nowait(binascii.unhexlify(in_hex))
def transact(self, command_id, payload="", tid=SPINEL.HEADER_DEFAULT):
pkt = self.encode_packet(command_id, payload, tid)
if CONFIG.DEBUG_LOG_SERIAL:
msg = "TX Pay: (%i) %s " % (len(pkt), util.hexify_bytes(pkt))
logging.debug(msg)
if self.use_hdlc:
pkt = self.hdlc.encode(pkt)
self.stream_tx(pkt)
def read(self, size=None):
""" Blocking read from the MockStream. """
if not self.response or len(self.response) == 0:
self.response = self.rx_queue.get(True)
if size:
in_binary = self.response[:size]
self.response = self.response[size:]
else:
in_binary = self.response
self.response = None
if CONFIG.DEBUG_STREAM_RX:
logging.debug("RX Raw: " + util.hexify_bytes(in_binary))
return in_binary
def encode(self, payload=""):
""" Return the HDLC encoding of the given packet. """
fcs = HDLC_FCS_INIT
packet = []
packet.append(HDLC_FLAG)
for byte in payload:
byte = ord(byte)
fcs = self.fcs16(byte, fcs)
packet = self.encode_byte(byte, packet)
fcs ^= 0xffff
byte = fcs & 0xFF
packet = self.encode_byte(byte, packet)
byte = fcs >> 8
packet = self.encode_byte(byte, packet)
packet.append(HDLC_FLAG)
packet = pack("%dB" % len(packet), *packet)
if CONFIG.DEBUG_HDLC:
logging.debug("TX Hdlc: " + hexify_bytes(packet))
return packet
def encode(self, payload=""):
""" Return the HDLC encoding of the given packet. """
fcs = HDLC_FCS_INIT
packet = []
packet.append(HDLC_FLAG)
for byte in payload:
byte = ord(byte)
fcs = self.fcs16(byte, fcs)
packet = self.encode_byte(byte, packet)
fcs ^= 0xffff
byte = fcs & 0xFF
packet = self.encode_byte(byte, packet)
byte = fcs >> 8
packet = self.encode_byte(byte, packet)
packet.append(HDLC_FLAG)
packet = pack("%dB" % len(packet), *packet)
if CONFIG.DEBUG_HDLC:
logging.debug("TX Hdlc: " + hexify_bytes(packet))
return packet
