def decode_tuple(self, msg_tuple):
''' Take a tuple from an H5 file and decode it into Msg1553 data '''
# Version 1 - Data is stored in H5 table as a pickled Python tuple
if self.layout_version == 1:
self.msg_time = Time.IrigTime()
self.msg_time.time = datetime.datetime.utcfromtimestamp(
msg_tuple[0])
self.msg_time.time = self.msg_time.time.replace(
microsecond=msg_tuple[1])
self.msg_time.dt_format = msg_tuple[2]
self.chan_id = msg_tuple[3]
self.header_flags = MsgDecode1553.Hdr1553_Flags()
flags_p = ctypes.pointer(self.header_flags)
flags_ip = ctypes.cast(flags_p, ctypes.POINTER(ctypes.c_uint16))
flags_ip[0] = msg_tuple[4]
self.cmd_word_1 = MsgDecode1553.CmdWord(msg_tuple[5])
self.stat_word_1 = MsgDecode1553.StatWord(msg_tuple[6])
self.cmd_word_2 = MsgDecode1553.CmdWord(msg_tuple[7])
self.stat_word_2 = MsgDecode1553.StatWord(msg_tuple[8])
self.data = msg_tuple[9]
elif self.layout_version == 2:
self.msg_time = Time.IrigTime()
self.msg_time.time = datetime.datetime.utcfromtimestamp((
msg_tuple[0] << 16) | msg_tuple[1])
self.msg_time.time = self.msg_time.time.replace(
microsecond=(msg_tuple[2] << 16) | msg_tuple[3])
self.msg_time.dt_format = msg_tuple[4]
self.chan_id = msg_tuple[5]
self.header_flags = MsgDecode1553.Hdr1553_Flags()
flags_p = ctypes.pointer(self.header_flags)
flags_ip = ctypes.cast(flags_p, ctypes.POINTER(ctypes.c_uint16))
flags_ip[0] = msg_tuple[6]
self.cmd_word_1 = MsgDecode1553.CmdWord(msg_tuple[7])
self.stat_word_1 = MsgDecode1553.StatWord(msg_tuple[8])
self.cmd_word_2 = MsgDecode1553.CmdWord(msg_tuple[9])
self.stat_word_2 = MsgDecode1553.StatWord(msg_tuple[10])
self.data = []
for data_index in range(11, len(msg_tuple)):
self.data.append(msg_tuple[data_index])
else:
return
def I106_Decode_TimeF1(header, msg_buffer):
native_irig_time = Time._ctIrig106Time()
ret_status = Packet.IrigDataDll.enI106_Decode_TimeF1(
ctypes.byref(header), ctypes.byref(msg_buffer),
ctypes.byref(native_irig_time))
irig_time = Time.IrigTime()
irig_time.set_from_ctIrig106Time(native_irig_time)
return ret_status, irig_time
def __init__(self, ch10_h5_file=None):
self.ch10_h5_file = ch10_h5_file
if ch10_h5_file != None:
self.layout_version = ch10_h5_file.root.Bus_Data.attrs.layout_version
else:
self.layout_version = 2
# 1553 message data
self.msg_time = Time.IrigTime()
self.chan_id = numpy.uint16(0)
self.header_flags = numpy.uint16(0)
self.cmd_word_1 = numpy.uint16(0)
self.stat_word_1 = numpy.uint16(0)
self.cmd_word_2 = numpy.uint16(0)
self.stat_word_2 = numpy.uint16(0)
self.data = []
def __init__(self, PacketIO):
''' Constructor '''
self.PacketIO = PacketIO
self.irig_time = Time.IrigTime()
