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.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

46 lines
1.1 KiB

#!/usr/bin/env python3
import os
import subprocess
from PIL import Image
import time
import signal
from selfdrive.visiond.snapshot.visionipc import VisionIPC
def jpeg_write(fn, dat):
img = Image.fromarray(dat)
img.save(fn, "JPEG")
def snapshot():
# note: super sketch race condition if you start the car at the same time at this
# TODO: lock car starting?
ps = subprocess.Popen("ps | grep visiond", shell=True, stdout=subprocess.PIPE)
ret = list(filter(lambda x: 'grep ' not in x, ps.communicate()[0].decode('utf-8').strip().split("\n")))
if len(ret) > 0:
return None
proc = subprocess.Popen(os.path.join(os.getenv("HOME"), "one/selfdrive/visiond/visiond"), cwd=os.path.join(os.getenv("HOME"), "one/selfdrive/visiond"))
time.sleep(6.0)
ret = None
try:
ipc = VisionIPC()
pic = ipc.get()
del ipc
ipc_front = VisionIPC(front=True)
fpic = ipc_front.get()
del ipc_front
ret = pic, fpic
finally:
proc.send_signal(signal.SIGINT)
proc.communicate()
return ret
if __name__ == "__main__":
pic, fpic = snapshot()
jpeg_write("/tmp/back.jpg", pic)
jpeg_write("/tmp/front.jpg", fpic)