def getUartLogPayload(packet):
"""
Get a Quanto Log Entry from the UART packet.
Returns None if the AM type of the packet is not
QUANTO_LOG_AM_TYPE (c.f. QuantoLog/RawUartMsg.h)
"""
#From MoteIF.py
try:
# Message.py ignores base_offset, so we'll just chop off
# the first byte (the SERIAL_AMTYPE) here.
serial_pkt = SerialPacket(packet[1:],
data_length=len(packet)-1)
except:
traceback.print_exc()
try:
data_start = serial_pkt.offset_data(0) + 1
data_end = data_start + serial_pkt.get_header_length()
data = packet[data_start:data_end]
amType = serial_pkt.get_header_type()
except Exception, x:
print >>sys.stderr, x
print >>sys.stderr, traceback.print_tb(sys.exc_info()[2])
def dispatchPacket(self, source, packet):
#try:
#print "Packet length: ", len(packet)
# print "Dispatching from MoteIF"
# for i in packet:
# print ord(i)," ",
# print
try:
# Message.py ignores base_offset, so we'll just chop off
# the first byte (the SERIAL_AMTYPE) here.
serial_pkt = SerialPacket(packet[1:],
data_length=len(packet)-1)
except:
traceback.print_exc()
try:
data_start = serial_pkt.offset_data(0) + 1
data_end = data_start + serial_pkt.get_header_length()
data = packet[data_start:data_end]
amType = serial_pkt.get_header_type()
except Exception, x:
print >>sys.stderr, x
print >>sys.stderr, traceback.print_tb(sys.exc_info()[2])
def getUartLogPayload(packet):
"""
Get a Quanto Log Entry from the UART packet.
Returns None if the AM type of the packet is not
QUANTO_LOG_AM_TYPE (c.f. QuantoLog/RawUartMsg.h)
"""
#From MoteIF.py
try:
# Message.py ignores base_offset, so we'll just chop off
# the first byte (the SERIAL_AMTYPE) here.
serial_pkt = SerialPacket(packet[1:], data_length=len(packet) - 1)
except:
traceback.print_exc()
try:
data_start = serial_pkt.offset_data(0) + 1
data_end = data_start + serial_pkt.get_header_length()
data = packet[data_start:data_end]
amType = serial_pkt.get_header_type()
except Exception, x:
print >> sys.stderr, x
print >> sys.stderr, traceback.print_tb(sys.exc_info()[2])
def dispatchPacket(self, source, packet):
#try:
#print "Packet length: ", len(packet)
# print "Dispatching from MoteIF"
# for i in packet:
# print ord(i)," ",
# print
try:
# Message.py ignores base_offset, so we'll just chop off
# the first byte (the SERIAL_AMTYPE) here.
serial_pkt = SerialPacket(packet[1:],
data_length=len(packet)-1)
except:
traceback.print_exc()
try:
data_start = serial_pkt.offset_data(0) + 1
data_end = data_start + serial_pkt.get_header_length()
data = packet[data_start:data_end]
amType = serial_pkt.get_header_type()
except Exception as x:
print(x, file=sys.stderr)
print(traceback.print_tb(sys.exc_info()[2]), file=sys.stderr)
for l in self.listeners:
amTypes = self.listeners[l]
if amType in amTypes:
try:
msgClass = amTypes[amType]
msg = msgClass(data=data,
data_length = len(data),
addr=serial_pkt.get_header_src(),
gid=serial_pkt.get_header_group())
l.receive(source, msg)
except Exception as x:
print(x, file=sys.stderr)
print(traceback.print_tb(sys.exc_info()[2]), file=sys.stderr)
def sendMsg(self, dest, addr, amType, group, msg):
try:
payload = msg.dataGet()
msg = SerialPacket(None)
msg.set_header_dest(int(addr))
msg.set_header_group(int(group))
msg.set_header_type(int(amType))
msg.set_header_length(len(payload))
# from tinyos.packet.Serial
data = chr(Serial.TOS_SERIAL_ACTIVE_MESSAGE_ID)
data += msg.dataGet()[0:msg.offset_data(0)]
data += payload
dest.writePacket(data)
except Exception, x:
print >>sys.stderr, x
print >>sys.stderr, traceback.print_tb(sys.exc_info()[2])
def _message_to_packet(self, msg, dest=0xFFFF, group=0xAA):
"""
Wraps a message in an AM (Serial) packet.
"""
payload = msg.dataGet()
am_type = msg.amType()
pkt = SerialPacket(None)
pkt.set_header_dest(dest)
pkt.set_header_group(group)
pkt.set_header_type(int(am_type))
pkt.set_header_length(len(payload))
# first byte, always 0, identifies as AM packet
return chr(0) + pkt.dataGet()[0:pkt.offset_data(0)] + payload
