def doUpdate(self, sv, parser, namespace, values, option_string):
if namespace.message_type == "zero":
messageL1 = ConstMessage(1)
messageL2 = messageL1
elif namespace.message_type == "one":
messageL1 = ConstMessage(-1)
messageL2 = messageL1
elif namespace.message_type == "zero+one":
messageL1 = ZeroOneMessage()
messageL2 = messageL1
elif namespace.message_type == "crc":
if isinstance(sv, GPSSatellite):
messageL1 = LNavMessage(sv.prn)
messageL2 = CNavMessage(sv.prn)
elif isinstance(sv, GLOSatellite):
messageL1 = GLOMessage(sv.prn)
messageL2 = GLOMessage(sv.prn)
else:
raise ValueError(
"Message type is not supported for a satellite type")
else:
raise ValueError("Unsupported message type")
if isinstance(sv, GPSSatellite):
sv.setL1CAMessage(messageL1)
sv.setL2CMessage(messageL2)
elif isinstance(sv, GLOSatellite):
sv.setL1Message(messageL1)
sv.setL2Message(messageL2)
else:
raise ValueError("Unsupported object type in SV list")
def test_CNavMessage_str():
'''
GPS CNav message: string representation
'''
msg = CNavMessage(1, tow0=2, n_msg=1, n_prefixBits=30)
value = str(msg)
assert value.find('CNAV') >= 0
def test_CNavMessage_getDataBits0():
'''
GPS CNav message: fetch data bits
'''
dataAll_idx = numpy.linspace(0, 299, 300, dtype=numpy.long)
msg = CNavMessage(1, tow0=2, n_msg=1, n_prefixBits=30)
bits = msg.getDataBits(dataAll_idx)
assert isinstance(bits, numpy.ndarray)
assert bits.shape == (300, )
assert (bits == msg.symbolData[:300]).all()
def test_GPSSV_messages():
'''
GPS SV messages test
'''
sv = GPSSatellite(1)
assert sv.l1caMessage == sv.getL1CAMessage()
assert sv.l2cMessage == sv.getL2CMessage()
lnav = LNavMessage(1)
cnav = CNavMessage(1)
sv.setL1CAMessage(lnav)
sv.setL2CMessage(cnav)
assert sv.l1caMessage == sv.getL1CAMessage() == lnav
assert sv.l2cMessage == sv.getL2CMessage() == cnav
def test_CNavMessage_init0():
'''
GPS LNav message construction: empty
'''
msg = CNavMessage(1, tow0=0, n_msg=0, n_prefixBits=0)
assert msg.n_msg0 == 0
assert msg.prn == 1
assert msg.tow0 == 0
assert msg.nextTow == 0
assert msg.n_prefixBits == 0
assert msg.messageLen == 0
assert msg.messageCount == 0
assert isinstance(msg.symbolData, numpy.ndarray)
def test_CNavMessage_init3():
'''
GPS LNav message construction: ToW rollover
'''
msg = CNavMessage(1, tow0=100800 - 2, n_msg=1, n_prefixBits=30)
assert msg.n_msg0 == 1
assert msg.prn == 1
assert msg.tow0 == 100798
assert msg.nextTow == 0
assert msg.n_prefixBits == 30
assert msg.messageLen == 660
assert msg.messageCount == 1
assert isinstance(msg.symbolData, numpy.ndarray)
assert msg.symbolData.shape == (660, )
def test_CNavMessage_init2():
'''
GPS LNav message construction: 2 messages + prefix
'''
msg = CNavMessage(1, tow0=2, n_msg=2, n_prefixBits=30)
assert msg.n_msg0 == 2
assert msg.prn == 1
assert msg.tow0 == 2
assert msg.nextTow == 6
assert msg.n_prefixBits == 30
assert msg.messageLen == 1260
assert msg.messageCount == 2
assert isinstance(msg.symbolData, numpy.ndarray)
assert msg.symbolData.shape == (1260, )
def test_CNavMessage_init1():
'''
GPS LNav message construction: prefix only
'''
msg = CNavMessage(1, tow0=1, n_msg=0, n_prefixBits=30)
assert msg.n_msg0 == 0
assert msg.prn == 1
assert msg.tow0 == 1
assert msg.nextTow == 1
assert msg.n_prefixBits == 30
assert msg.messageLen == 60
assert msg.messageCount == 0
assert isinstance(msg.symbolData, numpy.ndarray)
assert msg.symbolData.shape == (60, )