From f2c772ff1182d07856e4e415dda7c8806de67954 Mon Sep 17 00:00:00 2001
From: Daniel Koepping <elkoled@gmail.com>
Date: Thu, 24 Sep 2026 12:19:05 -0700
Subject: [PATCH] hardwared: log usb-c connected (#39010)

hardwared: log usb cable connected
---
 openpilot/cereal/log.capnp         | 1 +
 openpilot/common/hardware/usb.py   | 5 +++++
 openpilot/selfdrive/ui/ui_state.py | 4 ++--
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/openpilot/cereal/log.capnp b/openpilot/cereal/log.capnp
index ab53884d53..60461bde61 100644
--- a/openpilot/cereal/log.capnp
+++ b/openpilot/cereal/log.capnp
@@ -695,6 +695,7 @@ struct PeripheralState {
 
 struct UsbState {
   devices @0 :List(Device);
+  connected @1 :Bool;
 
   struct Device {
     busnum @0 :UInt8;
diff --git a/openpilot/common/hardware/usb.py b/openpilot/common/hardware/usb.py
index c3c2050b6b..ba1d4f0cbc 100644
--- a/openpilot/common/hardware/usb.py
+++ b/openpilot/common/hardware/usb.py
@@ -36,6 +36,10 @@ def read_int(path: Path, base: int = 10) -> int:
     return 0
 
 
+def cable_connected() -> bool:
+  return read_int(TYPEC_CC_ORIENTATION_PATH) != 0
+
+
 def usb_devices() -> list[Path]:
   try:
     devices = (d for d in USB_DEVICES_PATH.glob("*") if (d / "idVendor").exists())
@@ -91,3 +95,4 @@ def set_usb_state(device_state, devices: list[dict]) -> None:
       chestnut_present = True
 
   device_state.chestnutPresent = chestnut_present
+  device_state.usbState.connected = cable_connected()
diff --git a/openpilot/selfdrive/ui/ui_state.py b/openpilot/selfdrive/ui/ui_state.py
index ae1fad0b66..08f63228b7 100644
--- a/openpilot/selfdrive/ui/ui_state.py
+++ b/openpilot/selfdrive/ui/ui_state.py
@@ -12,7 +12,7 @@ from openpilot.common.swaglog import cloudlog
 from openpilot.selfdrive.ui.lib.prime_state import PrimeState
 from openpilot.system.ui.lib.application import gui_app
 from openpilot.common.hardware import HARDWARE, PC
-from openpilot.common.hardware.usb import TYPEC_CC_ORIENTATION_PATH, get_usb_state, is_chestnut_usb_id, read_int
+from openpilot.common.hardware.usb import cable_connected, get_usb_state, is_chestnut_usb_id
 from openpilot.selfdrive.modeld.helpers import chestnut_compiled
 
 BACKLIGHT_OFFROAD = 65 if HARDWARE.get_device_type() == "mici" else 50
@@ -252,7 +252,7 @@ class UIState:
     self.chestnut_active = self.params.get("ChestnutActive")
     self.chestnut_loading = self.params.get_bool("ChestnutLoading")
     now = time.monotonic()
-    if read_int(TYPEC_CC_ORIENTATION_PATH) != 0:
+    if cable_connected():
       self.usb_disconnected_ts = None
       if not self.usb_connected:
         self.usb_connected = True