def create_sigmf_metafile(self, x_len, dest_data_filename, _file):
sigmf_md = SigMFFile(data_file=dest_data_filename)
sigmf_md.set_global_field("core:datatype", self.datatype)
sigmf_md.set_global_field("core:sample_rate", self.sample_rate)
sigmf_md.set_global_field("core:author", self.author)
sigmf_md.set_global_field("core:description", self.description)
sha = sigmf_md.calculate_hash()
print sha
start_index = 0
capture_len = x_len
capture_md = {
"core:time": utils.get_sigmf_iso8601_datetime_now(),
"frequency": self.frequency
}
sigmf_md.add_capture(start_index=start_index, metadata=capture_md)
annotation_md = {
"genesys:transmitter": {
"antenna": {
"model": "Ettus VERT2450",
"type": "Vertical",
"gain": 3,
"high_frequency": 2480000000,
"low_frequency": 2400000000
},
"model":
"Ettus USRP X310 with UBX-160 (10 MHz-6 GHz, 160 MHz BW) Daughterboard"
},
"genesys:reciever": {
"antenna": {
"model": "Ettus VERT2450",
"type": "Vertical",
"gain": 3,
"high_frequency": 2480000000,
"low_frequency": 2400000000
},
"model": "Ettus USRP B210"
}
}
sigmf_md.add_annotation(start_index=start_index,
length=capture_len,
metadata=annotation_md)
return sigmf_md
def create_sigmf_metafile(self, x_len, dest_data_filename, _file):
sigmf_md = SigMFFile(data_file=dest_data_filename)
sigmf_md.set_global_field("core:datatype", self.datatype)
sigmf_md.set_global_field("core:sample_rate", self.sample_rate)
sigmf_md.set_global_field("core:author", self.author)
sigmf_md.set_global_field("core:version", self.version)
pattern = '(\d+)ft'
distance = re.findall(pattern, _file)
print 'distance', distance
#--description "SigMF IQ samples recording of demodulated data derived from over-the-cable WiFi transmissions collected by a fixed USRP B210 as a receiver. The transmitter emitted IEEE 802.11a standards compliant frames generated via a MATLAB WLAN System toolbox. Using UHD software, a controlled level of IQ imbalance is introduced at the runtime such that the demodulated symbols acquire unique characteristics."
self.description = "SigMF IQ samples recording of over-the-air WiFi transmissions collected by a fixed USRP B210 as a receiver. The data is collected in indoor environmnet of Kostas Research Institute (KRI), at Northeastern University, with a transmitter-receiver separation distance of " + distance[
0] + "ft. The transmitter emitted IEEE 802.11a standards compliant frames generated via a MATLAB WLAN System toolbox."
sigmf_md.set_global_field("core:description", self.description)
sha = sigmf_md.calculate_hash()
print sha
start_index = 0
capture_len = x_len
capture_md = {
"core:time": utils.get_sigmf_iso8601_datetime_now(),
"frequency": self.frequency
}
sigmf_md.add_capture(start_index=start_index, metadata=capture_md)
# annotation_md = {
# "core:latitude": 40.0 + 0.0001 * 0,
# "core:longitude": -105.0 + 0.0001 * 0,
# }
print sigmf_md
annotation_md = {
"genesys:transmitter": {
"antenna": {
"model": "Ettus VERT2450",
"type": "Vertical",
"gain": 3,
"high_frequency": 2480000000,
"low_frequency": 2400000000
},
"model":
"Ettus USRP X310 with UBX-160 (10 MHz-6 GHz, 160 MHz BW) Daughterboard"
},
"genesys:reciever": {
"antenna": {
"model": "Ettus VERT2450",
"type": "Vertical",
"gain": 3,
"high_frequency": 2480000000,
"low_frequency": 2400000000
},
"model": "Ettus USRP B210"
}
}
# annotation_md = {
# "genesys:transmitter_identification": 'hello',
# "genesys:receiver_identification": 'hello',
# }
sigmf_md.add_annotation(start_index=start_index,
length=capture_len,
metadata=annotation_md)
#print "Hello"
#sigmf_md.set_annotations("genesys:transmitter_identification","Hello")
return sigmf_md