def __init__(self, sps=8, bt=0.5, mod_idx=0.68):
gr.hier_block2.__init__(
self,
"simple_modulator",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
# message ports
self.message_port_register_hier_in("in")
self.message_port_register_hier_out("out")
# blocks
self.pack = pdu_utils.pack_unpack(pdu_utils.MODE_UNPACK_BYTE,
pdu_utils.BIT_ORDER_LSB_FIRST)
self.preamble = pdu_utils.pdu_preamble([], [], sps, 0)
modulation_index = mod_idx
sensitivity = (pi * modulation_index) / sps
gain = 1.0
taps = firdes.gaussian(gain, sps, bt, 5)
self.gmsk = pdu_utils.pdu_gmsk_fc(sensitivity, taps)
# connections
self.msg_connect(self, "in", self.pack, "pdu_in")
self.msg_connect(self.pack, "pdu_out", self.preamble, "pdu_in")
self.msg_connect(self.preamble, "pdu_out", self.gmsk, "pdu_in")
self.msg_connect(self.gmsk, "pdu_out", self, "out")
def setUp (self):
self.tb = gr.top_block ()
self.emitter = pdu_utils.message_emitter()
self.pack = pdu_utils.pack_unpack(pdu_utils.MODE_PACK_BYTE, pdu_utils.BIT_ORDER_MSB_FIRST)
self.debug = blocks.message_debug()
self.tb.msg_connect((self.emitter, 'msg'), (self.pack, 'pdu_in'))
self.tb.msg_connect((self.pack, 'pdu_out'), (self.debug, 'store'))
def __init__(self,
callsign='WJ2XMS',
client_port='8000',
gs_id='WFF',
post_bytes=64,
pre_bytes=64,
sc_id='VCC-A',
server_ip='0.0.0.0',
ssid=0,
verbose=0,
wallops_dn_port='56101',
wallops_up_port='56100'):
gr.top_block.__init__(self, "Wff Nogui V3 Verbose")
##################################################
# Parameters
##################################################
self.callsign = callsign
self.client_port = client_port
self.gs_id = gs_id
self.post_bytes = post_bytes
self.pre_bytes = pre_bytes
self.sc_id = sc_id
self.server_ip = server_ip
self.ssid = ssid
self.verbose = verbose
self.wallops_dn_port = wallops_dn_port
self.wallops_up_port = wallops_up_port
##################################################
# Variables
##################################################
self.ts_str = ts_str = dt.strftime(dt.utcnow(), "%Y%m%d_%H%M%S")
self.fn_up = fn_up = "{:s}_{:s}_{:s}".format(gs_id, sc_id, ts_str)
self.fn_dn = fn_dn = "{:s}_{:s}_{:s}".format(sc_id, gs_id, ts_str)
self.fp_up = fp_up = "/gnuradio/captures/{:s}".format(fn_up)
self.fp_dn = fp_dn = "/gnuradio/captures/{:s}".format(fn_dn)
##################################################
# Blocks
##################################################
self.vcc_insert_time_tag_bb_0_0 = vcc.insert_time_tag_bb(
'core:datetime', 'packet_len')
self.vcc_insert_time_tag_bb_0 = vcc.insert_time_tag_bb(
'core:datetime', 'packet_len')
self.vcc_insert_src_callsign_pdu_0 = vcc.insert_src_callsign_pdu(
callsign=callsign, ssid=ssid, verbose=bool(verbose))
self.vcc_burst_scramble_bb_0 = vcc.burst_scramble_bb(0x21, 0x0, 16)
self.sigmf_sink_1 = gr_sigmf.sink("ri8", fp_dn,
gr_sigmf.sigmf_time_mode_absolute,
False)
self.sigmf_sink_1.set_global_meta("core:sample_rate", 0)
self.sigmf_sink_1.set_global_meta(
"core:description", 'Wallops Flight Facility Interface, Downlink')
self.sigmf_sink_1.set_global_meta("core:author",
'Zach Leffke, [email protected]')
self.sigmf_sink_1.set_global_meta("core:license", 'MIT')
self.sigmf_sink_1.set_global_meta("core:hw", 'WFF UHF Ground Station')
self.sigmf_sink_1.set_global_meta('vcc:spacecraft', 'VCC-A')
self.sigmf_sink_1.set_global_meta('vcc:ground_station', 'WFF')
self.sigmf_sink_1.set_global_meta('vcc:callsign', 'WJ2XMS-0')
self.sigmf_sink_1.set_global_meta(
'vcc:tap_point',
'Packed Bytes, NRZ-I decoded, before descrambling')
self.sigmf_sink_0 = gr_sigmf.sink("ri8", fp_up,
gr_sigmf.sigmf_time_mode_absolute,
False)
self.sigmf_sink_0.set_global_meta("core:sample_rate", 0)
self.sigmf_sink_0.set_global_meta(
"core:description", 'Wallops Flight Facility Interface, Uplink')
self.sigmf_sink_0.set_global_meta("core:author",
'Zach Leffke, [email protected]')
self.sigmf_sink_0.set_global_meta("core:license", 'MIT')
self.sigmf_sink_0.set_global_meta("core:hw", 'WFF UHF Ground Station')
self.sigmf_sink_0.set_global_meta('vcc:spacecraft', 'VCC-A')
self.sigmf_sink_0.set_global_meta('vcc:ground_station', 'WFF')
self.sigmf_sink_0.set_global_meta('vcc:uplink_callsign', 'WJ2XMS-0')
self.sigmf_sink_0.set_global_meta('vcc:tap_point', 'KISS input')
self.pdu_utils_pack_unpack_0 = pdu_utils.pack_unpack(
pdu_utils.MODE_PACK_BYTE, pdu_utils.BIT_ORDER_MSB_FIRST)
self.kiss_pdu_to_kiss_0 = kiss.pdu_to_kiss()
self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(True)
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=pre_bytes,
postamble_bytes=post_bytes)
self.kiss_hdlc_deframer_0 = kiss.hdlc_deframer(check_fcs=True,
max_length=300)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0, 16)
self.blocks_socket_pdu_2 = blocks.socket_pdu("TCP_SERVER", server_ip,
wallops_dn_port, 1500,
False)
self.blocks_socket_pdu_1 = blocks.socket_pdu("TCP_SERVER", server_ip,
wallops_up_port, 1500,
False)
self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", server_ip,
client_port, 1024, False)
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
self.blocks_message_debug_0 = blocks.message_debug()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0, 'pdus'),
(self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.blocks_socket_pdu_2, 'pdus'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.kiss_hdlc_deframer_0, 'out'),
(self.kiss_pdu_to_kiss_0, 'in'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'),
(self.vcc_burst_scramble_bb_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'),
(self.vcc_insert_src_callsign_pdu_0, 'in'))
self.msg_connect((self.kiss_pdu_to_kiss_0, 'out'),
(self.blocks_message_debug_0, 'print'))
self.msg_connect((self.kiss_pdu_to_kiss_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.kiss_pdu_to_kiss_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.pdu_utils_pack_unpack_0, 'pdu_out'),
(self.blocks_socket_pdu_1, 'pdus'))
self.msg_connect((self.vcc_burst_scramble_bb_0, 'out'),
(self.pdu_utils_pack_unpack_0, 'pdu_in'))
self.msg_connect((self.vcc_insert_src_callsign_pdu_0, 'out'),
(self.kiss_hdlc_framer_0, 'in'))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.vcc_insert_time_tag_bb_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0),
(self.vcc_insert_time_tag_bb_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.kiss_hdlc_deframer_0, 0))
self.connect((self.vcc_insert_time_tag_bb_0, 0),
(self.kiss_kiss_to_pdu_0, 0))
self.connect((self.vcc_insert_time_tag_bb_0, 0),
(self.sigmf_sink_0, 0))
self.connect((self.vcc_insert_time_tag_bb_0_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.vcc_insert_time_tag_bb_0_0, 0),
(self.sigmf_sink_1, 0))