def manage_fans(self):
FAN_LEV1_UP_TEMP = 57700 # temperature
FAN_LEV1_DOWN_TEMP = 0 # unused
FAN_LEV1_SPEED_PERC = DUTY_MAX # percentage*/
FAN_LEV2_UP_TEMP = 53000
FAN_LEV2_DOWN_TEMP = 52700
FAN_LEV2_SPEED_PERC = 80
FAN_LEV3_UP_TEMP = 49500
FAN_LEV3_DOWN_TEMP = 47700
FAN_LEV3_SPEED_PERC = 65
FAN_LEV4_UP_TEMP = 0 # unused
FAN_LEV4_DOWN_TEMP = 42700
FAN_LEV4_SPEED_PERC = 40
thermal = ThermalUtil()
fan = FanUtil()
temp2 = thermal.get_thermal_2_val()
if temp2 is None:
return False
temp3 = thermal.get_thermal_3_val()
if temp3 is None:
return False
new_temp = (temp2 + temp3) / 2
for x in range(fan.get_idx_fan_start(), fan.get_num_fans() + 1):
fan_stat = fan.get_fan_status(x)
if fan_stat is None:
return False
if fan_stat is False:
self._new_perc = FAN_LEV1_SPEED_PERC
logging.debug(
'INFO. SET new_perc to %d (FAN fault. fan_num:%d)',
self._new_perc, x)
break
logging.debug('INFO. fan_stat is True (fan_num:%d)', x)
if fan_stat is not None and fan_stat is not False:
diff = new_temp - self._ori_temp
if diff == 0:
logging.debug(
'INFO. RETURN. THERMAL temp not changed. %d / %d (new_temp / ori_temp)',
new_temp, self._ori_temp)
return True
else:
if diff >= 0:
is_up = True
logging.debug(
'INFO. THERMAL temp UP %d / %d (new_temp / ori_temp)',
new_temp, self._ori_temp)
else:
is_up = False
logging.debug(
'INFO. THERMAL temp DOWN %d / %d (new_temp / ori_temp)',
new_temp, self._ori_temp)
if is_up is True:
if new_temp >= FAN_LEV1_UP_TEMP:
self._new_perc = FAN_LEV1_SPEED_PERC
elif new_temp >= FAN_LEV2_UP_TEMP:
self._new_perc = FAN_LEV2_SPEED_PERC
elif new_temp >= FAN_LEV3_UP_TEMP:
self._new_perc = FAN_LEV3_SPEED_PERC
else:
self._new_perc = FAN_LEV4_SPEED_PERC
logging.debug(
'INFO. SET. FAN_SPEED as %d (new THERMAL temp:%d)',
self._new_perc, new_temp)
else:
if new_temp <= FAN_LEV4_DOWN_TEMP:
self._new_perc = FAN_LEV4_SPEED_PERC
elif new_temp <= FAN_LEV3_DOWN_TEMP:
self._new_perc = FAN_LEV3_SPEED_PERC
elif new_temp <= FAN_LEV2_DOWN_TEMP:
self._new_perc = FAN_LEV2_SPEED_PERC
else:
self._new_perc = FAN_LEV1_SPEED_PERC
logging.debug(
'INFO. SET. FAN_SPEED as %d (new THERMAL temp:%d)',
self._new_perc, new_temp)
cur_perc = fan.get_fan_duty_cycle()
if cur_perc == self._new_perc:
logging.debug(
'INFO. RETURN. FAN speed not changed. %d / %d (new_perc / ori_perc)',
self._new_perc, cur_perc)
return True
set_stat = fan.set_fan_duty_cycle(self._new_perc)
if set_stat is True:
logging.debug('INFO: PASS. set_fan_duty_cycle (%d)',
self._new_perc)
else:
logging.debug('INFO: FAIL. set_fan_duty_cycle (%d)',
self._new_perc)
logging.debug('INFO: GET. ori_perc is %d. ori_temp is %d', cur_perc,
self._ori_temp)
self._ori_temp = new_temp
logging.debug('INFO: UPDATE. ori_perc to %d. ori_temp to %d', cur_perc,
self._ori_temp)
return True
def handler(signum, frame):
fan = FanUtil()
logging.debug('INFO:Cause signal %d, set fan speed max.', signum)
fan.set_fan_duty_cycle(DUTY_MAX)
sys.exit(0)