mirror of
https://github.com/commaai/agnos-builder.git
synced 2026-07-10 01:02:08 +08:00
Adeeb Shihadeh
29 lines
947 B
Python
Executable File
29 lines
947 B
Python
Executable File
#!/usr/bin/env python3
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import datetime
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import os
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import struct
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import usb1
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from pathlib import Path
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REQUEST_IN = usb1.ENDPOINT_IN | usb1.TYPE_VENDOR | usb1.RECIPIENT_DEVICE
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# Systemd pushes the system time to the systemd build time if no time is set
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MIN_DATE = datetime.datetime.fromtimestamp(Path("/lib/systemd/systemd").stat().st_mtime)
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MIN_DATE += datetime.timedelta(days=1)
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if __name__ == "__main__":
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ctx = usb1.USBContext()
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dev = ctx.openByVendorIDAndProductID(0xbbaa, 0xddcc)
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if dev is None:
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print("No panda found")
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exit()
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# Set system time from panda RTC time
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dat = dev.controlRead(REQUEST_IN, 0xa0, 0, 0, 8)
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a = struct.unpack("HBBBBBB", dat)
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panda_time = datetime.datetime(a[0], a[1], a[2], a[4], a[5], a[6])
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sys_time = datetime.datetime.today()
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if panda_time > MIN_DATE and sys_time < MIN_DATE:
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print(f"adjusting time from '{sys_time}' to '{panda_time}'")
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os.system(f"TZ=UTC date -s '{panda_time}'")
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