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272 lines
8.8 KiB
272 lines
8.8 KiB
#!/usr/bin/env python2.7
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import os
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import zmq
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from smbus2 import SMBus
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from selfdrive.version import training_version
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from selfdrive.swaglog import cloudlog
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import selfdrive.messaging as messaging
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from selfdrive.services import service_list
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from selfdrive.loggerd.config import ROOT
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from common.params import Params
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from common.realtime import sec_since_boot
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import cereal
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ThermalStatus = cereal.log.ThermalData.ThermalStatus
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def read_tz(x):
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with open("/sys/devices/virtual/thermal/thermal_zone%d/temp" % x) as f:
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ret = max(0, int(f.read()))
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return ret
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def read_thermal():
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dat = messaging.new_message()
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dat.init('thermal')
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dat.thermal.cpu0 = read_tz(5)
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dat.thermal.cpu1 = read_tz(7)
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dat.thermal.cpu2 = read_tz(10)
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dat.thermal.cpu3 = read_tz(12)
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dat.thermal.mem = read_tz(2)
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dat.thermal.gpu = read_tz(16)
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dat.thermal.bat = read_tz(29)
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return dat
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LEON = False
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def setup_eon_fan():
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global LEON
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os.system("echo 2 > /sys/module/dwc3_msm/parameters/otg_switch")
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bus = SMBus(7, force=True)
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try:
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bus.write_byte_data(0x21, 0x10, 0xf) # mask all interrupts
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bus.write_byte_data(0x21, 0x03, 0x1) # set drive current and global interrupt disable
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bus.write_byte_data(0x21, 0x02, 0x2) # needed?
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bus.write_byte_data(0x21, 0x04, 0x4) # manual override source
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except IOError:
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print "LEON detected"
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#os.system("echo 1 > /sys/devices/soc/6a00000.ssusb/power_supply/usb/usb_otg")
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LEON = True
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bus.close()
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last_eon_fan_val = None
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def set_eon_fan(val):
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global LEON, last_eon_fan_val
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if last_eon_fan_val is None or last_eon_fan_val != val:
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bus = SMBus(7, force=True)
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if LEON:
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i = [0x1, 0x3 | 0, 0x3 | 0x08, 0x3 | 0x10][val]
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bus.write_i2c_block_data(0x3d, 0, [i])
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else:
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bus.write_byte_data(0x21, 0x04, 0x2)
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bus.write_byte_data(0x21, 0x03, (val*2)+1)
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bus.write_byte_data(0x21, 0x04, 0x4)
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bus.close()
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last_eon_fan_val = val
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# temp thresholds to control fan speed - high hysteresis
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_TEMP_THRS_H = [50., 65., 80., 10000]
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# temp thresholds to control fan speed - low hysteresis
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_TEMP_THRS_L = [42.5, 57.5, 72.5, 10000]
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# fan speed options
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_FAN_SPEEDS = [0, 16384, 32768, 65535]
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# max fan speed only allowed if battery if hot
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_BAT_TEMP_THERSHOLD = 45.
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def handle_fan(max_temp, bat_temp, fan_speed):
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new_speed_h = next(speed for speed, temp_h in zip(_FAN_SPEEDS, _TEMP_THRS_H) if temp_h > max_temp)
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new_speed_l = next(speed for speed, temp_l in zip(_FAN_SPEEDS, _TEMP_THRS_L) if temp_l > max_temp)
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if new_speed_h > fan_speed:
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# update speed if using the high thresholds results in fan speed increment
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fan_speed = new_speed_h
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elif new_speed_l < fan_speed:
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# update speed if using the low thresholds results in fan speed decrement
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fan_speed = new_speed_l
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if bat_temp < _BAT_TEMP_THERSHOLD:
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# no max fan speed unless battery is hot
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fan_speed = min(fan_speed, _FAN_SPEEDS[-2])
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set_eon_fan(fan_speed/16384)
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return fan_speed
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class LocationStarter(object):
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def __init__(self):
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self.last_good_loc = 0
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def update(self, started_ts, location):
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rt = sec_since_boot()
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if location is None or location.accuracy > 50 or location.speed < 2:
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# bad location, stop if we havent gotten a location in a while
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# dont stop if we're been going for less than a minute
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if started_ts:
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if rt-self.last_good_loc > 60. and rt-started_ts > 60:
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cloudlog.event("location_stop",
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ts=rt,
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started_ts=started_ts,
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last_good_loc=self.last_good_loc,
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location=location.to_dict() if location else None)
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return False
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else:
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return True
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else:
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return False
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self.last_good_loc = rt
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if started_ts:
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return True
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else:
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cloudlog.event("location_start", location=location.to_dict() if location else None)
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return location.speed*3.6 > 10
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def thermald_thread():
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setup_eon_fan()
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# now loop
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context = zmq.Context()
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thermal_sock = messaging.pub_sock(context, service_list['thermal'].port)
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health_sock = messaging.sub_sock(context, service_list['health'].port)
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location_sock = messaging.sub_sock(context, service_list['gpsLocation'].port)
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fan_speed = 0
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count = 0
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off_ts = None
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started_ts = None
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ignition_seen = False
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started_seen = False
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passive_starter = LocationStarter()
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thermal_status = ThermalStatus.green
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health_sock.RCVTIMEO = 1500
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params = Params()
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while 1:
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td = messaging.recv_sock(health_sock, wait=True)
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location = messaging.recv_sock(location_sock)
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location = location.gpsLocation if location else None
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msg = read_thermal()
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# loggerd is gated based on free space
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statvfs = os.statvfs(ROOT)
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avail = (statvfs.f_bavail * 1.0)/statvfs.f_blocks
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# thermal message now also includes free space
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msg.thermal.freeSpace = avail
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with open("/sys/class/power_supply/battery/capacity") as f:
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msg.thermal.batteryPercent = int(f.read())
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with open("/sys/class/power_supply/battery/status") as f:
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msg.thermal.batteryStatus = f.read().strip()
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with open("/sys/class/power_supply/usb/online") as f:
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msg.thermal.usbOnline = bool(int(f.read()))
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# TODO: add car battery voltage check
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max_temp = max(msg.thermal.cpu0, msg.thermal.cpu1,
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msg.thermal.cpu2, msg.thermal.cpu3) / 10.0
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bat_temp = msg.thermal.bat/1000.
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fan_speed = handle_fan(max_temp, bat_temp, fan_speed)
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msg.thermal.fanSpeed = fan_speed
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# thermal logic here
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if max_temp < 70.0:
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thermal_status = ThermalStatus.green
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if max_temp > 85.0:
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cloudlog.warning("over temp: %r", max_temp)
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thermal_status = ThermalStatus.yellow
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# from controls
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overtemp_proc = any(t > 950 for t in
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(msg.thermal.cpu0, msg.thermal.cpu1, msg.thermal.cpu2,
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msg.thermal.cpu3, msg.thermal.mem, msg.thermal.gpu))
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overtemp_bat = msg.thermal.bat > 60000 # 60c
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if overtemp_proc or overtemp_bat:
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# TODO: hysteresis
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thermal_status = ThermalStatus.red
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if max_temp > 107.0 or msg.thermal.bat >= 63000:
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thermal_status = ThermalStatus.danger
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# **** starting logic ****
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# start constellation of processes when the car starts
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ignition = td is not None and td.health.started
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ignition_seen = ignition_seen or ignition
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# add voltage check for ignition
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if not ignition_seen and td is not None and td.health.voltage > 13500:
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ignition = True
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do_uninstall = params.get("DoUninstall") == "1"
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accepted_terms = params.get("HasAcceptedTerms") == "1"
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completed_training = params.get("CompletedTrainingVersion") == training_version
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should_start = ignition
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# have we seen a panda?
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passive = (params.get("Passive") == "1")
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# start on gps movement if we haven't seen ignition and are in passive mode
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should_start = should_start or (not (ignition_seen and td) # seen ignition and panda is connected
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and passive
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and passive_starter.update(started_ts, location))
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# with 2% left, we killall, otherwise the phone will take a long time to boot
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should_start = should_start and msg.thermal.freeSpace > 0.02
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# require usb power in passive mode
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should_start = should_start and (not passive or msg.thermal.usbOnline)
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# confirm we have completed training and aren't uninstalling
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should_start = should_start and accepted_terms and (passive or completed_training) and (not do_uninstall)
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# if any CPU gets above 107 or the battery gets above 63, kill all processes
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# controls will warn with CPU above 95 or battery above 60
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if msg.thermal.thermalStatus >= ThermalStatus.danger:
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# TODO: Add a better warning when this is happening
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should_start = False
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if should_start:
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off_ts = None
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if started_ts is None:
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params.car_start()
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started_ts = sec_since_boot()
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started_seen = True
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else:
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started_ts = None
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if off_ts is None:
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off_ts = sec_since_boot()
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# shutdown if the battery gets lower than 3%, it's discharging, we aren't running for
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# more than a minute but we were running
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if msg.thermal.batteryPercent < 3 and msg.thermal.batteryStatus == "Discharging" and \
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started_seen and (sec_since_boot() - off_ts) > 60:
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os.system('LD_LIBRARY_PATH="" svc power shutdown')
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msg.thermal.started = started_ts is not None
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msg.thermal.startedTs = int(1e9*(started_ts or 0))
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msg.thermal.thermalStatus = thermal_status
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thermal_sock.send(msg.to_bytes())
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print msg
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# report to server once per minute
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if (count%60) == 0:
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cloudlog.event("STATUS_PACKET",
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count=count,
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health=(td.to_dict() if td else None),
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location=(location.to_dict() if location else None),
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thermal=msg.to_dict())
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count += 1
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def main(gctx=None):
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thermald_thread()
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if __name__ == "__main__":
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main()
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