demo.tracker-v2/code/mpower.py
2022-03-23 19:42:23 +08:00

123 lines
4.0 KiB
Python

import pm
import utime
import modem
import _thread
from queue import Queue
from machine import RTC
from usr.common import Singleton
from usr.logging import getLogger
from usr.settings import settings
from usr.settings import LOWENERGYMAP
from usr.settings import SettingsError
from usr.settings import default_values_app
try:
from misc import USB
except ImportError:
USB = None
log = getLogger(__name__)
class PowerManage(Singleton):
def __init__(self, tracker, callback=None):
self.tracker = tracker
self.callback = callback
self.lpm_fd = None
self.low_energy_queue = Queue(maxsize=8)
self.period = None
self.low_energy_method = None
self.set_period()
self.get_low_energy_method()
self.low_energy_init()
self.rtc = RTC()
self.rtc.register_callback(self.rtc_callback)
def set_period(self, seconds=None):
if seconds is None:
current_settings = settings.get()
seconds = current_settings['app']['work_cycle_period']
self.period = seconds
def start_rtc(self):
log.debug('start PowerManage start_rtc')
current_settings = settings.get()
if current_settings['app']['work_mode'] == default_values_app._work_mode.intelligent:
if self.tracker.locator.gps:
gps_data = self.tracker.locator.gps.read()
speed = self.tracker.locator.gps.read_location_GxVTG_speed(gps_data)
if not speed:
return
elif float(speed) <= 0:
return
self.set_period()
atime = utime.localtime(utime.mktime(utime.localtime()) + self.period)
alarm_time = [atime[0], atime[1], atime[2], atime[6], atime[3], atime[4], atime[5], 0]
self.rtc.set_alarm(alarm_time)
log.debug('rtc set_alarm')
self.rtc.enable_alarm(1)
def rtc_callback(self, args):
log.debug('start rtc_callback')
self.rtc.enable_alarm(0)
if self.low_energy_method == 'PM':
self.low_energy_queue.put('wakelock_unlock')
elif self.low_energy_method == 'PSM':
pass
elif self.low_energy_method == 'POWERDOWN':
self.low_energy_queue.put('power_dwon')
def get_low_energy_method(self):
device_model = modem.getDevModel()
support_methds = LOWENERGYMAP.get(device_model)
if not support_methds:
raise SettingsError('This Model %s Not Set LOWENERGYMAP.' % device_model)
if self.period >= 3600:
if "POWERDOWN" in support_methds:
self.low_energy_method = "POWERDOWN"
elif "PSM" in support_methds:
self.low_energy_method = "PSM"
elif "PM" in support_methds:
self.low_energy_method = "PM"
elif 60 <= self.period < 3600:
if "PSM" in support_methds:
self.low_energy_method = "PSM"
elif "PM" in support_methds:
self.low_energy_method = "PM"
elif self.period < 60:
if "PM" in support_methds:
self.low_energy_method = "PM"
return self.low_energy_method
def low_energy_init(self):
if self.low_energy_method == 'POWERDOWN':
pass
elif self.low_energy_method == 'PM':
_thread.start_new_thread(self.low_energy_work, ())
self.lpm_fd = pm.create_wakelock("tracker_lock", len("tracker_lock"))
pm.autosleep(1)
elif self.low_energy_method == 'PSM':
# TODO: PSM LOW ENERGY
pass
def low_energy_work(self):
while True:
data = self.low_energy_queue.get()
if data:
if self.lpm_fd is None:
self.lpm_fd = pm.create_wakelock("tracker_lock", len("tracker_lock"))
pm.autosleep(1)
pm.wakelock_lock(self.lpm_fd)
over_speed_check_res = self.tracker.get_over_speed_check()
self.tracker.device_data_report(event_data=over_speed_check_res, msg=data)