openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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# type: ignore
import sys
import os
from selfdrive.locationd.test.ublox import UBloxMessage
from selfdrive.locationd.test.ubloxd import gen_solution, gen_raw, gen_nav_data
from common import realtime
def mkdirs_exists_ok(path):
try:
os.makedirs(path)
except OSError:
if not os.path.isdir(path):
raise
def parser_test(fn, prefix):
nav_frame_buffer = {}
nav_frame_buffer[0] = {}
for i in range(1, 33):
nav_frame_buffer[0][i] = {}
if not os.path.exists(prefix):
print('Prefix invalid')
sys.exit(-1)
with open(fn, 'rb') as f:
i = 0
saved_i = 0
msg = UBloxMessage()
while True:
n = msg.needed_bytes()
b = f.read(n)
if not b:
break
msg.add(b)
if msg.valid():
i += 1
if msg.name() == 'NAV_PVT':
sol = gen_solution(msg)
sol.logMonoTime = int(realtime.sec_since_boot() * 1e9)
with open(os.path.join(prefix, str(saved_i)), 'wb') as f1:
f1.write(sol.to_bytes())
saved_i += 1
elif msg.name() == 'RXM_RAW':
raw = gen_raw(msg)
raw.logMonoTime = int(realtime.sec_since_boot() * 1e9)
with open(os.path.join(prefix, str(saved_i)), 'wb') as f1:
f1.write(raw.to_bytes())
saved_i += 1
elif msg.name() == 'RXM_SFRBX':
nav = gen_nav_data(msg, nav_frame_buffer)
if nav is not None:
nav.logMonoTime = int(realtime.sec_since_boot() * 1e9)
with open(os.path.join(prefix, str(saved_i)), 'wb') as f1:
f1.write(nav.to_bytes())
saved_i += 1
msg = UBloxMessage()
msg.debug_level = 0
print('Parsed {} msgs'.format(i))
print('Generated {} cereal events'.format(saved_i))
if __name__ == "__main__":
if len(sys.argv) < 3:
print('Format: ubloxd_py_test.py file_path prefix')
sys.exit(0)
fn = sys.argv[1]
if not os.path.isfile(fn):
print('File path invalid')
sys.exit(0)
prefix = sys.argv[2]
mkdirs_exists_ok(prefix)
parser_test(fn, prefix)