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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#!/usr/bin/env python3
import datetime
import os
import struct
import usb1
REQUEST_IN = usb1.ENDPOINT_IN | usb1.TYPE_VENDOR | usb1.RECIPIENT_DEVICE
MIN_DATE = datetime.datetime(year=2021, month=4, day=1)
if __name__ == "__main__":
ctx = usb1.USBContext()
dev = ctx.openByVendorIDAndProductID(0xbbaa, 0xddcc)
if dev is None:
print("No panda found")
exit()
# Set system time from panda RTC time
dat = dev.controlRead(REQUEST_IN, 0xa0, 0, 0, 8)
a = struct.unpack("HBBBBBB", dat)
panda_time = datetime.datetime(a[0], a[1], a[2], a[4], a[5], a[6])
sys_time = datetime.datetime.today()
if panda_time > MIN_DATE and sys_time < MIN_DATE:
print(f"adjusting time from '{sys_time}' to '{panda_time}'")
os.system(f"TZ=UTC date -s '{panda_time}'")