def main():
"""Test the scanner
Gets options from parser
Sets up the scanner
Assigns a channel to lockout
Executes scan cycles
Prints channels as they change
"""
# Create parser object
parser = prsr.CLParser()
if len(parser.parser_args) != 0:
parser.print_help() #pylint: disable=maybe-no-member
raise SystemExit, 1
# Create scanner object
ask_samp_rate = parser.ask_samp_rate
num_demod = parser.num_demod
hw_args = parser.hw_args
record = parser.record
lockout_file_name = parser.lockout_file_name
scanner = Scanner(ask_samp_rate, num_demod, hw_args, record,
lockout_file_name)
# Set frequency, gain, squelch, and volume
scanner.set_center_freq(parser.center_freq)
scanner.set_gain(parser.gain_db)
print "\n"
print "Started %s at %.3f Msps" % (hw_args, scanner.samp_rate / 1E6)
print "RX at %.3f MHz with %d dB gain" % (scanner.center_freq / 1E6,
scanner.gain_db)
scanner.set_squelch(parser.squelch_db)
scanner.set_volume(parser.volume_db)
print "%d demods at %d dB squelch and %d dB volume" % (
num_demod, scanner.squelch_db, scanner.volume_db)
# Create this epmty list to allow printing to screen
old_gui_tuned_channels = []
while 1:
# No need to go faster than 10 Hz rate of GNU Radio probe
time.sleep(0.1)
# Execute a scan cycle
scanner.scan_cycle()
# Print the GUI tuned channels if they have changed
if scanner.gui_tuned_channels != old_gui_tuned_channels:
sys.stdout.write("Tuners at: ")
for text in scanner.gui_tuned_channels:
sys.stdout.write(text + " ")
sys.stdout.write("\n")
else:
pass
old_gui_tuned_channels = scanner.gui_tuned_channels
scanner.set_squelch(rxwin.squelch_db)
rxwin.squelch_db = scanner.squelch_db
# Set and update volume
scanner.set_volume(rxwin.volume_db)
rxwin.volume_db = scanner.volume_db
# Send keystroke to lockout window and update lockout channels if True
if lockoutwin.proc_keyb_set_lockout(keyb):
# Subtract 48 from ascii keyb value to obtain 0 - 9
idx = keyb - 48
scanner.add_lockout(idx)
if lockoutwin.proc_keyb_clear_lockout(keyb):
scanner.clear_lockout()
if __name__ == '__main__':
try:
# Do this since curses wrapper won't let parser write to screen
PARSER = parser.CLParser()
if len(PARSER.parser_args) != 0:
PARSER.print_help() #pylint: disable=maybe-no-member
raise SystemExit, 1
else:
curses.wrapper(main)
except KeyboardInterrupt:
pass
except RuntimeError:
print ""
print "RuntimeError: SDR hardware not detected or insufficient USB permissions. Try running as root."
print ""
def main():
"""Test the scanner
Gets options from parser
Sets up the scanner
Assigns a channel to lockout
Executes scan cycles
Prints channels as they change
"""
# Create parser object
parser = prsr.CLParser()
if len(parser.parser_args) != 0:
parser.print_help() #pylint: disable=maybe-no-member
raise(SystemExit, 1)
# Create scanner object
ask_samp_rate = parser.ask_samp_rate
num_demod = parser.num_demod
type_demod = parser.type_demod
hw_args = parser.hw_args
freq_correction = parser.freq_correction
record = parser.record
lockout_file_name = parser.lockout_file_name
priority_file_name = parser.priority_file_name
channel_log_file_name = parser.channel_log_file_name
audio_bps = parser.audio_bps
max_demod_length = parser.max_demod_length
channel_spacing = parser.channel_spacing
min_file_size = parser.min_file_size
center_freq = parser.center_freq
freq_low = parser.freq_low
freq_high = parser.freq_high
scanner = Scanner(ask_samp_rate, num_demod, type_demod, hw_args,
freq_correction, record, lockout_file_name,
priority_file_name, channel_log_file_name,
audio_bps, max_demod_length, channel_spacing,
min_file_size, center_freq, freq_low, freq_high)
# Set frequency, gain, squelch, and volume
scanner.set_center_freq(parser.center_freq)
print("\n")
print("Started %s at %.3f Msps" % (hw_args, scanner.samp_rate/1E6))
print("RX at %.3f MHz" % (scanner.center_freq/1E6))
scanner.filter_and_set_gains(parser.gains)
for gain in scanner.gains:
print("gain %s at %d dB" % (gain["name"], gain["value"]))
scanner.set_squelch(parser.squelch_db)
scanner.set_volume(parser.volume_db)
print("%d demods of type %d at %d dB squelch and %d dB volume" % \
(num_demod, type_demod, scanner.squelch_db, scanner.volume_db))
# Create this epmty list to allow printing to screen
old_gui_tuned_channels = []
while 1:
# No need to go faster than 10 Hz rate of GNU Radio probe
time.sleep(0.1)
# Execute a scan cycle
scanner.scan_cycle()
# Print the GUI tuned channels if they have changed
if scanner.gui_tuned_channels != old_gui_tuned_channels:
sys.stdout.write("Tuners at: ")
for text in scanner.gui_tuned_channels:
sys.stdout.write(text + " ")
sys.stdout.write("\n")
else:
pass
old_gui_tuned_channels = scanner.gui_tuned_channels