def __init__(self, pad_for_usrp=True, *args, **kwargs):
"""
Hierarchical block for the 802_15_4 O-QPSK modulation.
Packets to be sent are enqueued by calling send_pkt.
The output is the complex modulated signal at baseband.
@param msgq_limit: maximum number of messages in message queue
@type msgq_limit: int
@param pad_for_usrp: If true, packets are padded such that they end up a multiple of 128 samples
See 802_15_4_mod for remaining parameters
"""
try:
self.msgq_limit = kwargs.pop('msgq_limit')
self.log = kwargs.get('log')
except KeyError:
pass
gr.hier_block2.__init__(
self,
"ieee802_15_4_mod_pkts",
gr.io_signature(0, 0, 0), # Input
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output
self.pad_for_usrp = pad_for_usrp
# accepts messages from the outside world
self.pkt_input = gr.message_source(gr.sizeof_char, self.msgq_limit)
self.ieee802_15_4_mod = ieee802_15_4.ieee802_15_4_mod(
self, *args, **kwargs)
self.connect(self.pkt_input, self.ieee802_15_4_mod, self)
if self.log:
self.connect(self.pkt_input,
gr.file_sink(gr.sizeof_char, 'tx-input.dat'))
def __init__(self, *args, **kwargs):
"""
Hierarchical block for the 802_15_4 O-QPSK modulation.
Packets to be sent are enqueued by calling send_pkt.
The output is the complex modulated signal at baseband.
@param msgq_limit: maximum number of messages in message queue
@type msgq_limit: int
@param pad_for_usrp: If true, packets are padded such that they end up a multiple of 128 samples
See 802_15_4_mod for remaining parameters
"""
try:
self.pad_for_usrp = kwargs.pop('pad_for_usrp')
self.msgq_limit = kwargs.pop('msgq_limit')
except KeyError:
pass
gr.hier_block2.__init__(self, "ieee802_15_4_mod_pkts",
gr.io_signature(0, 0, 0), # Input
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output
#self.pad_for_usrp = pad_for_usrp
# accepts messages from the outside world
self.pkt_input = gr.message_source(gr.sizeof_char, self.msgq_limit)
self.ieee802_15_4_mod = ieee802_15_4.ieee802_15_4_mod(*args, **kwargs)
print "GR: ieee802_15_4_pkt: Connecting packet input and modulator."
self.connect(self.pkt_input, self.ieee802_15_4_mod, self)
def __init__(self, fg, msgq_limit=2, pad_for_usrp=True, *args, **kwargs):
"""
Hierarchical block for the 802_15_4 O-QPSK modulation.
Packets to be sent are enqueued by calling send_pkt.
The output is the complex modulated signal at baseband.
@param fg: flow graph
@type fg: flow graph
@param msgq_limit: maximum number of messages in message queue
@type msgq_limit: int
@param pad_for_usrp: If true, packets are padded such that they end up a multiple of 128 samples
See 802_15_4_mod for remaining parameters
"""
self.pad_for_usrp = pad_for_usrp
# accepts messages from the outside world
self.pkt_input = gr.message_source(gr.sizeof_char, msgq_limit)
self.ieee802_15_4_mod = ieee802_15_4.ieee802_15_4_mod(fg, *args, **kwargs)
fg.connect(self.pkt_input, self.ieee802_15_4_mod)
gr.hier_block.__init__(self, fg, None, self.ieee802_15_4_mod)
