def test_tracking():
prn = 15
init_doppler = 1234
init_code_phase = 0
file_format = '2bits_x2'
freq_profile = 'low_rate'
skip_param = '--skip-ms'
skip_val = 0
samples_filename = generate_sample_file(prn, init_doppler,
init_code_phase,
file_format, freq_profile)
run_peregrine(samples_filename, file_format, freq_profile,
skip_param, skip_val, False)
# Comparison not working on Travis at the moment, needs further debugging.
# Simply make sure tracking runs successfully for now.
#with open(NEW_TRK_RES, 'rb') as f:
# new_trk_results = cPickle.load(f)
#with open(OLD_TRK_RES, 'rb') as f:
# old_trk_results = cPickle.load(f)
#assert new_trk_results == old_trk_results
# Clean-up.
os.remove(samples_filename)
def run_acq_test(init_doppler, init_code_phase,
prns, file_format,
freq_profile='low_rate',
skip_samples=None, skip_ms=None):
if skip_samples is not None:
skip_param = '--skip-samples'
skip_val = skip_samples
elif skip_ms is not None:
skip_param = '--skip-ms'
skip_val = skip_ms
else:
skip_param = '--skip-ms'
skip_val = 0
for prn in prns:
samples_filename = generate_sample_file(prn, init_doppler,
init_code_phase,
file_format, freq_profile)
run_peregrine(samples_filename, file_format, freq_profile,
skip_param, skip_val)
code_phase = propagate_code_phase(init_code_phase,
get_sampling_freq(freq_profile),
skip_param, skip_val)
if skip_val == 0:
check_acq_results(samples_filename, prn, init_doppler, code_phase)
# Clean-up.
os.remove(get_acq_result_file_name(samples_filename))
os.remove(samples_filename)
def run_track_test(samples_file,
expected_lock_ratio,
init_doppler,
init_code_phase,
prn,
file_format,
freq_profile,
skip_samples=None,
skip_ms=None,
pipelining=None,
short_long_cycles=None):
bands = fileformat_to_bands(file_format)
skip_param, skip_val = get_skip_params(skip_samples, skip_ms)
run_peregrine(samples_file,
file_format,
freq_profile,
skip_param,
skip_val,
skip_tracking=False,
pipelining=pipelining,
short_long_cycles=short_long_cycles)
for band in bands:
dopp_ratio = 1
if band == "l2c":
dopp_ratio = l2 / l1
run_tracking_loop(prn,
band,
init_doppler * dopp_ratio,
init_code_phase,
samples_file,
file_format,
freq_profile,
0,
pipelining=pipelining,
short_long_cycles=short_long_cycles)
#code_phase = propagate_code_phase(init_code_phase,
#get_sampling_freq(freq_profile),
#skip_param, skip_val)
check_per_track_results(expected_lock_ratio, samples_file, prn, bands,
pipelining, short_long_cycles)
check_tr_loop_track(expected_lock_ratio, samples_file, prn, bands,
pipelining, short_long_cycles)
# Clean-up.
os.remove(get_acq_result_file_name(samples_file))
for band in bands:
os.remove(get_peregrine_tr_res_file_name(samples_file, prn, band))
os.remove(get_tr_loop_res_file_name(samples_file, prn, band))
def run_track_test(samples_file, expected_lock_ratio, init_doppler,
init_code_phase, prn, file_format, freq_profile,
skip_samples=None, skip_ms=None,
pipelining=None, short_long_cycles=None):
bands = fileformat_to_bands(file_format)
skip_param, skip_val = get_skip_params(skip_samples, skip_ms)
run_peregrine(samples_file, file_format, freq_profile,
skip_param, skip_val, skip_tracking=False,
pipelining=pipelining, short_long_cycles=short_long_cycles)
for band in bands:
dopp_ratio = 1
if band == "l2c":
dopp_ratio = l2 / l1
run_tracking_loop(prn, band, init_doppler * dopp_ratio, init_code_phase,
samples_file, file_format, freq_profile, 0,
pipelining=pipelining,
short_long_cycles=short_long_cycles)
#code_phase = propagate_code_phase(init_code_phase,
#get_sampling_freq(freq_profile),
#skip_param, skip_val)
check_per_track_results(expected_lock_ratio, samples_file, prn, bands,
pipelining, short_long_cycles)
check_tr_loop_track(expected_lock_ratio, samples_file, prn, bands,
pipelining, short_long_cycles)
# Clean-up.
os.remove(get_acq_result_file_name(samples_file))
for band in bands:
os.remove(get_peregrine_tr_res_file_name(samples_file, prn, band))
os.remove(get_tr_loop_res_file_name(samples_file, prn, band))
