|  |  |  | @ -1,7 +1,4 @@ | 
			
		
	
		
			
				
					|  |  |  |  | import random | 
			
		
	
		
			
				
					|  |  |  |  | import threading | 
			
		
	
		
			
				
					|  |  |  |  | import time | 
			
		
	
		
			
				
					|  |  |  |  | from statistics import mean | 
			
		
	
		
			
				
					|  |  |  |  | from typing import Optional | 
			
		
	
		
			
				
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					|  |  |  |  | from cereal import log | 
			
		
	
	
		
			
				
					|  |  |  | @ -82,52 +79,8 @@ class PowerMonitoring: | 
			
		
	
		
			
				
					|  |  |  |  |           self.car_battery_capacity_uWh += (CAR_CHARGING_RATE_W * 1e6 * integration_time_h) | 
			
		
	
		
			
				
					|  |  |  |  |           self.last_measurement_time = now | 
			
		
	
		
			
				
					|  |  |  |  |       else: | 
			
		
	
		
			
				
					|  |  |  |  |         # No ignition, we integrate the offroad power used by the device | 
			
		
	
		
			
				
					|  |  |  |  |         is_uno = peripheralState.pandaType == log.PandaState.PandaType.uno | 
			
		
	
		
			
				
					|  |  |  |  |         # Get current power draw somehow | 
			
		
	
		
			
				
					|  |  |  |  |         current_power = HARDWARE.get_current_power_draw() # pylint: disable=assignment-from-none | 
			
		
	
		
			
				
					|  |  |  |  |         if current_power is not None: | 
			
		
	
		
			
				
					|  |  |  |  |           pass | 
			
		
	
		
			
				
					|  |  |  |  |         elif (self.next_pulsed_measurement_time is not None) and (self.next_pulsed_measurement_time <= now): | 
			
		
	
		
			
				
					|  |  |  |  |           # TODO: Figure out why this is off by a factor of 3/4??? | 
			
		
	
		
			
				
					|  |  |  |  |           FUDGE_FACTOR = 1.33 | 
			
		
	
		
			
				
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					|  |  |  |  |           # Turn off charging for about 10 sec in a thread that does not get killed on SIGINT, and perform measurement here to avoid blocking thermal | 
			
		
	
		
			
				
					|  |  |  |  |           def perform_pulse_measurement(now): | 
			
		
	
		
			
				
					|  |  |  |  |             try: | 
			
		
	
		
			
				
					|  |  |  |  |               HARDWARE.set_battery_charging(False) | 
			
		
	
		
			
				
					|  |  |  |  |               time.sleep(5) | 
			
		
	
		
			
				
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					|  |  |  |  |               # Measure for a few sec to get a good average | 
			
		
	
		
			
				
					|  |  |  |  |               voltages = [] | 
			
		
	
		
			
				
					|  |  |  |  |               currents = [] | 
			
		
	
		
			
				
					|  |  |  |  |               for _ in range(6): | 
			
		
	
		
			
				
					|  |  |  |  |                 voltages.append(HARDWARE.get_battery_voltage()) | 
			
		
	
		
			
				
					|  |  |  |  |                 currents.append(HARDWARE.get_battery_current()) | 
			
		
	
		
			
				
					|  |  |  |  |                 time.sleep(1) | 
			
		
	
		
			
				
					|  |  |  |  |               current_power = ((mean(voltages) / 1000000) * (mean(currents) / 1000000)) | 
			
		
	
		
			
				
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					|  |  |  |  |               self._perform_integration(now, current_power * FUDGE_FACTOR) | 
			
		
	
		
			
				
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					|  |  |  |  |               # Enable charging again | 
			
		
	
		
			
				
					|  |  |  |  |               HARDWARE.set_battery_charging(True) | 
			
		
	
		
			
				
					|  |  |  |  |             except Exception: | 
			
		
	
		
			
				
					|  |  |  |  |               cloudlog.exception("Pulsed power measurement failed") | 
			
		
	
		
			
				
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					|  |  |  |  |           # Start pulsed measurement and return | 
			
		
	
		
			
				
					|  |  |  |  |           threading.Thread(target=perform_pulse_measurement, args=(now,)).start() | 
			
		
	
		
			
				
					|  |  |  |  |           self.next_pulsed_measurement_time = None | 
			
		
	
		
			
				
					|  |  |  |  |           return | 
			
		
	
		
			
				
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					|  |  |  |  |         elif self.next_pulsed_measurement_time is None and not is_uno: | 
			
		
	
		
			
				
					|  |  |  |  |           # On a charging EON with black panda, or drawing more than 400mA out of a white/grey one | 
			
		
	
		
			
				
					|  |  |  |  |           # Only way to get the power draw is to turn off charging for a few sec and check what the discharging rate is | 
			
		
	
		
			
				
					|  |  |  |  |           # We shouldn't do this very often, so make sure it has been some long-ish random time interval | 
			
		
	
		
			
				
					|  |  |  |  |           self.next_pulsed_measurement_time = now + random.randint(120, 180) | 
			
		
	
		
			
				
					|  |  |  |  |           return | 
			
		
	
		
			
				
					|  |  |  |  |         else: | 
			
		
	
		
			
				
					|  |  |  |  |           # Do nothing | 
			
		
	
		
			
				
					|  |  |  |  |           return | 
			
		
	
		
			
				
					|  |  |  |  |         current_power = HARDWARE.get_current_power_draw() | 
			
		
	
		
			
				
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					|  |  |  |  |         # Do the integration | 
			
		
	
		
			
				
					|  |  |  |  |         self._perform_integration(now, current_power) | 
			
		
	
	
		
			
				
					|  |  |  | @ -178,11 +131,9 @@ class PowerMonitoring: | 
			
		
	
		
			
				
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					|  |  |  |  |     now = sec_since_boot() | 
			
		
	
		
			
				
					|  |  |  |  |     panda_charging = (peripheralState.usbPowerMode != log.PeripheralState.UsbPowerMode.client) | 
			
		
	
		
			
				
					|  |  |  |  |     BATT_PERC_OFF = 10 | 
			
		
	
		
			
				
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					|  |  |  |  |     should_shutdown = False | 
			
		
	
		
			
				
					|  |  |  |  |     # Wait until we have shut down charging before powering down | 
			
		
	
		
			
				
					|  |  |  |  |     should_shutdown |= (not panda_charging and self.should_disable_charging(ignition, in_car, offroad_timestamp)) | 
			
		
	
		
			
				
					|  |  |  |  |     should_shutdown |= ((HARDWARE.get_battery_capacity() < BATT_PERC_OFF) and (not HARDWARE.get_battery_charging()) and ((now - offroad_timestamp) > 60)) | 
			
		
	
		
			
				
					|  |  |  |  |     should_shutdown &= started_seen or (now > MIN_ON_TIME_S) | 
			
		
	
		
			
				
					|  |  |  |  |     return should_shutdown | 
			
		
	
	
		
			
				
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