From 92e985c583bfb23c569008157037e77b6080a6f6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Harald=20Sch=C3=A4fer?= Date: Thu, 1 Dec 2022 11:56:25 -0800 Subject: [PATCH] voltage cleanup thermald (#26658) --- selfdrive/thermald/power_monitoring.py | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/selfdrive/thermald/power_monitoring.py b/selfdrive/thermald/power_monitoring.py index e62f0f97c3..b748064d2b 100644 --- a/selfdrive/thermald/power_monitoring.py +++ b/selfdrive/thermald/power_monitoring.py @@ -18,6 +18,7 @@ VBATT_PAUSE_CHARGING = 11.0 # Lower limit on the LPF car battery volta VBATT_INSTANT_PAUSE_CHARGING = 7.0 # Lower limit on the instant car battery voltage measurements to avoid triggering on instant power loss MAX_TIME_OFFROAD_S = 30*3600 MIN_ON_TIME_S = 3600 +VOLTAGE_SHUTDOWN_MIN_OFFROAD_TIME_S = 60 class PowerMonitoring: def __init__(self): @@ -114,8 +115,12 @@ class PowerMonitoring: now = sec_since_boot() should_shutdown = False - should_shutdown |= (now - offroad_timestamp) > MAX_TIME_OFFROAD_S - should_shutdown |= (self.car_voltage_mV < (VBATT_PAUSE_CHARGING * 1e3)) and (self.car_voltage_instant_mV > (VBATT_INSTANT_PAUSE_CHARGING * 1e3)) + offroad_time = (now - offroad_timestamp) + low_voltage_shutdown = (self.car_voltage_mV < (VBATT_PAUSE_CHARGING * 1e3) and + self.car_voltage_instant_mV > (VBATT_INSTANT_PAUSE_CHARGING * 1e3) and + offroad_time > VOLTAGE_SHUTDOWN_MIN_OFFROAD_TIME_S) + should_shutdown |= offroad_time > MAX_TIME_OFFROAD_S + should_shutdown |= low_voltage_shutdown should_shutdown |= (self.car_battery_capacity_uWh <= 0) should_shutdown &= not ignition should_shutdown &= (not self.params.get_bool("DisablePowerDown"))