def setup_gps():
time.sleep(2)
gc.enable()
rtc = RTC()
rtc.ntp_sync("pool.ntp.org")
utime.sleep_ms(750)
print('\nRTC Set from NTP to UTC:', rtc.now())
utime.timezone(7200)
print('Adjusted from UTC to EST timezone', utime.localtime(), '\n')
if rtc.now()[0] == 1970:
print("Datetime could not be automatically set")
date_str = (input(
'Enter datetime as list separated by commas (y, m, d, h, min, s): '
)).split(',')
date_str = tuple([int(item) for item in date_str])
try:
rtc.init(date_str)
print('Time successfully set to ', rtc.now(), '\n')
except Exception:
print("Failed to set time...")
py = Pytrack()
l76 = L76GNSS(py, timeout=30)
print("GPS Timeout is {} seconds".format(30))
chrono = Timer.Chrono()
chrono.start()
# while (True):
# coord = l76.coordinates(debug=True)
# print("{} - {} - {}".format(coord, rtc.now(), gc.mem_free()))
return l76
def rtc_ntp_sync(TZ=0, timeout_s = 30):
from machine import RTC
print("sync rtc via ntp, TZ=", TZ)
rtc = RTC()
print("synced?", rtc.synced())
rtc.ntp_sync('nl.pool.ntp.org')
print("synced?", rtc.synced())
#time.sleep_ms(750)
time.timezone(TZ * 3600)
timeout_ms = 1000 * timeout_s
for i in range(0, timeout_ms):
if rtc.synced():
print("rtc is synced after", i/1000, "s")
# if rtc.now()[0] == 1970:
# print()
break
if i % 100 == 0:
print(".", end="")
time.sleep_ms(1)
if not rtc.synced():
raise Exception("RTC did not sync in", timeout_ms/1000, "s")
print("rtc.now", rtc.now())
print("time.gmtime", time.gmtime())
print("time.localtime", time.localtime())
print("gmt ", end=" ")
pretty_gmt()
print("local", end=" ")
pretty_local()
class C_RTC:
def __init__(self):
print('[RTC] RTC sync in progress...')
self.rtc = RTC()
self.rtc.ntp_sync("pool.ntp.org")
print('[RTC] RTC synced')
def sync_rtc(rtcserver):
#a.st1.ntp.br
#b.st1.ntp.br
#c.st1.ntp.br
#d.st1.ntp.br
#a.ntp.br
#b.ntp.br
#c.ntp.br
#gps.ntp.br
#pool.ntp.org
from machine import RTC
from time import sleep
print("Syncing RTC...")
rtc = RTC()
print(rtc.now())
rtc.ntp_sync(rtcserver)
sleep(1)
while not rtc.synced():
print("Still syncing RTC...")
rtc.ntp_sync(rtcserver)
sleep(5)
print(rtc.now())
print("RTC Synchronized.\n")
def setRTCLocalTime():
rtc = RTC()
print("Time before sync: ", rtc.now())
rtc.ntp_sync("pool.ntp.org")
while not rtc.synced():
utime.sleep(1)
print("Waiting for NTP server...")
print('\nTime after sync: ', rtc.now())
def do_deep_sleep(floater):
print("Water level is OK. Going to sleep..")
# Ref https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/wiki/rtc
rtc = RTC()
rtc.ntp_sync(server="hr.pool.ntp.org", tz="CET-1CEST")
rtc.synced()
rtc.wake_on_ext0(floater, 0)
# ESP32 power reduction for battery powered
# https://forum.micropython.org/viewtopic.php?t=3900
deepsleep(0)
def connect():
wlan = network.WLAN(mode=network.WLAN.STA)
wlan.connect('VM8707621', auth=(network.WLAN.WPA2, 'sm7zkSspWsmq'))
while not wlan.isconnected():
time.sleep_ms(50)
print(wlan.ifconfig())
rtc = RTC()
rtc.ntp_sync("pool.ntp.org")
while not rtc.synced():
time.sleep_ms(50)
print(rtc.now())
def start_rtc():
""" Start and sync RTC. Requires WLAN. """
rtc = RTC()
rtc.ntp_sync(server="pool.ntp.org")
for _ in range(100):
if rtc.synced(): break
sleep_ms(100)
if rtc.synced():
pass
# print(strftime("%c", localtime()))
else:
print("Unable to get ntp time")
def sync_rtc(interval=11, max_count=100):
print("Try to synchronize network time")
rtc = RTC()
rtc.ntp_sync('ntp.nict.jp', tz='JST-9')
count = 0
while count < max_count:
if rtc.synced():
message = 'RTC synced. {}'.format(utime.localtime())
print(message)
lcd.println(message, color=lcd.GREEN)
break
utime.sleep_ms(interval)
#print('.')
count += 1
def __init__():
if(VC0706.wlan == None):
VC0706.wlan = sendData.connectLocalBox()
rtc = RTC()
rtc.ntp_sync('fr.pool.ntp.org')
if(VC0706.sd == None):
mountSDCard()
if(VC0706.uart == None):
VC0706.uart = UART(2, baudrate=38400, pins=('G8','G7'), timeout_chars=5, bits=8, parity=None, stop=1)
VC0706.uart.readall()
setsize(VC0706_160x120)
reset()
gc.enable()
def ntp(onlyIfNeeded=True):
if onlyIfNeeded and time.time() > 1482192000:
return True
from machine import RTC
rtc = RTC()
if not status():
connect()
if not wait():
return False
return rtc.ntp_sync('pool.ntp.org')
def websrv():
rtc = RTC()
rtc.ntp_sync("pool.ntp.org")
# minimal Ajax in Control Webserver
import socket
soc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
soc.bind(('', 80))
soc.listen(0) # just queue up some requests
while True:
conn, addr = soc.accept()
try:
print("Got a connection from %s" % str(addr))
request = conn.recv(1024)
conn.sendall(
'HTTP/1.1 200 OK\nConnection: close\nServer: nanoWiPy\nContent-Type: text/html\n\n'
)
## print("Content = %s" % str(request))
request = str(request)
print(request)
ib = request.find('Val=')
if ib > 0:
ie = request.find(' ', ib)
Val = request[ib + 4:ie]
print("Val =", Val)
conn.send(Val)
else:
with open('/flash/lib/webpage.html', 'r') as html:
lt = time.localtime()
vs = html.read().replace(
'$DATA_GODZINA$',
str(lt[0]) + '-' + str(lt[1]) + '-' + str(lt[2]) +
' ' + str(lt[3]) + ':' + str(lt[4]) + ':' + str(lt[5]))
conn.send(vs)
conn.sendall('\n')
finally:
conn.close()
print("Connection wth %s closed" % str(addr))
gc.collect()
def ntp_sync(self):
if self.online() and self.settings.get('timezone'):
timezone = '<'
if self.settings['timezone'] > 0:
timezone += '+'
if -10 < self.settings['timezone'] < 10:
timezone += '0'
timezone += str(self.settings['timezone']) + '>' + str(
-self.settings['timezone'])
rtc = RTC()
rtc.ntp_sync(server='pool.ntp.org',
tz=timezone,
update_period=3600)
if not rtc.synced():
print(' waiting for time sync...', end='')
utime.sleep(0.5)
while not rtc.synced():
print('.', end='')
utime.sleep(0.5)
print('')
print('Time:', self.post_tstamp())
if self.modules.get('rtc'):
self.modules['rtc'].save_time()
def rtc_init():
global rtc_synced
rtc = RTC()
rtc.ntp_sync('pool.ntp.org', update_period=15)
print('Waiting for RTC/NTP sync...')
chrono = Timer.Chrono()
chrono.start()
while not rtc.synced():
# wait for 30 seconds, then give up and try manual NTP sync
if chrono.read() > 30:
print('Sync timed out after %s seconds...' % chrono.read())
rtc.ntp_sync(None)
break
time.sleep(1)
if rtc.synced():
print('RTC Set from NTP daemon to UTC:', rtc.now())
rtc_synced = True
else:
print('Fetching time from NTP server manually...')
try:
NTP_QUERY = bytearray(48)
NTP_QUERY[0] = 0x1b
addr = socket.getaddrinfo('pool.ntp.org', 123)[0][-1]
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.settimeout(3)
s.sendto(NTP_QUERY, addr)
msg = s.recv(48)
s.close()
# 70 years difference between NTP and Pycom epoch
val = struct.unpack("!I", msg[40:44])[0] - 2208988800
tm = time.localtime(val)
rtc.init(tm)
rtc_synced = True
gc.collect()
except socket.timeout:
print('Timed out while fetching time from remote server.')
if not rtc.synced() and rtc_synced:
print('RTC Set from manual NTP call to UTC:', rtc.now())
# adjust timezone
if rtc_synced:
# UTC-7/MST for testing
time.timezone(-7*60*60)
print('RTC adjusted from UTC to local timezone:', time.localtime())
else:
print('Unable to set RTC', rtc.now())
print('Resetting NTP sync to 15 minutes')
rtc.ntp_sync('pool.ntp.org', 60*15)
def print_debug_local(level, msg):
"""
Print log messages.
log messages will be stored in the device so
the user can access that using FTP or Flash OTA.
"""
if DEBUG is not None and level <= DEBUG:
print_debug(0, 'adding local log')
rtc = RTC()
if not rtc.synced():
rtc.ntp_sync("pool.ntp.org")
while not rtc.synced():
pass
current_year, current_month, current_day, current_hour, current_minute, current_second, current_microsecond, current_tzinfo = rtc.now() # noqa
msg = '\n {}-{}-{} {}:{}:{} (GMT+{}) >>> {}'.format(
current_day,
current_month,
current_year,
current_hour,
current_minute,
current_second,
timezone(),
msg
)
try:
fsize = os.stat('logs.log')
if fsize.st_size > 1000000:
# logs are bigger than 1 MB
os.remove("logs.log")
except Exception:
pass
log_file = open('logs.log', 'a+')
log_file.write(msg)
log_file.close()
class udatetime:
def __init__(self):
self.__datetime = Datetime()
self.__timetuple = ()
self.__seconds = 0
self.__rtc = RTC()
self.__rtc.ntp_sync("pool.ntp.org") # sync to UTC time
while not self.__rtc.synced():
sleep(1)
# get_current_time() will be the core method to be called to get latest datetime
# and update the values of corresponding attributes
def get_current_time(self):
self.__timetuple = self.__rtc.now()
self.__datetime.year, self.__datetime.month, self.__datetime.day, self.__datetime.hour, self.__datetime.minute, self.__datetime.second, *args = self.__timetuple
def utcnow(self) -> udatetime:
self.get_current_time()
return self
def utc_seconds(self) -> int:
self.get_current_time()
self.__seconds = utime.mktime(self.__timetuple)
return self.__seconds
def year(self) -> int:
return self.__datetime.year
def month(self) -> int:
return self.__datetime.month
def day(self) -> int:
return self.__datetime.day
def hour(self) -> int:
return self.__datetime.hour
def minute(self) -> int:
return self.__datetime.minute
def second(self) -> int:
return self.__datetime.second
def strftime(self, dt_format: str) -> str:
dt_map = {
"%Y": "{:4}".format(self.__datetime.year),
"%m": "{:02}".format(self.__datetime.month),
"%d": "{:02}".format(self.__datetime.day),
"%H": "{:02}".format(self.__datetime.hour),
"%M": "{:02}".format(self.__datetime.minute),
"%S": "{:02}".format(self.__datetime.second)
}
for key, value in dt_map.items():
if key in dt_format:
dt_format = dt_format.replace(key, value)
return dt_format
def __str__(self) -> str:
return "{:4}-{:02}-{:02}T{:02}:{:02}:{:02}Z".format(
self.__datetime.year, self.__datetime.month, self.__datetime.day,
self.__datetime.hour, self.__datetime.minute,
self.__datetime.second)
def getTemperature():
global ADC_PIN_TMP36
global T_MAX_MV
global V_TO_MV
global ADC_MAX_VAL
global PRECISION_SCALE
global OFFSET_MV
global SCALE_FACTOR
adc_tmp36 = ADC(0)
apin_tmp36 = adc_tmp36.channel(pin=ADC_PIN_TMP36)
rawTemp = 0
for x in range(0, 100):
adc_value = apin_tmp36.value()
# read value (0~1024) then converted in mV then scaled to get more precision
tMV = adc_value * (T_MAX_MV / ADC_MAX_VAL)* PRECISION_SCALE
# convert th mV received to temperature
rawTemp += (tMV - OFFSET_MV) / 10
return (rawTemp/100)
rtc = RTC()
rtc.ntp_sync('fr.pool.ntp.org')
sendData.connectLocalBox()
while 1==1:
data = '{"temperature": %s, "timestamp": "%s", "battery" : %s}' % (getTemperature(),rtc.now(), readBatteryVoltage.readBatteryLevel())
sendData.sendData(host='http://192.168.1.15', port=1338, data=data)
time.sleep(300)
class TerkinDevice:
def __init__(self, name=None, version=None, settings=None):
self.name = name
self.version = version
self.settings = settings
# Conditionally enable terminal on UART0. Default: False.
self.terminal = Terminal(self.settings)
self.terminal.start()
self.device_id = get_device_id()
self.networking = None
self.telemetry = None
self.wdt = None
self.rtc = None
self.status = DeviceStatus()
@property
def appname(self):
return '{} {}'.format(self.name, self.version)
def start_networking(self):
log.info('Starting networking')
from terkin.network import NetworkManager, WiFiException
self.networking = NetworkManager(device=self, settings=self.settings)
# Start WiFi.
try:
self.networking.start_wifi()
# Wait for network interface to come up.
self.networking.wait_for_nic()
self.status.networking = True
except WiFiException:
log.error('Network connectivity not available, WiFi failed')
self.status.networking = False
# Start UDP server for pulling device into maintenance mode.
self.networking.start_modeserver()
# Initialize LoRa device.
if self.settings.get('networking.lora.antenna_attached'):
try:
self.networking.start_lora()
except:
log.exception('Unable to start LoRa subsystem')
else:
log.info(
"[LoRa] Disabling LoRa interface as no antenna has been attached. "
"ATTENTION: Running LoRa without antenna will wreck your device."
)
# Inform about networking status.
#self.networking.print_status()
def start_watchdog(self):
"""
The WDT is used to restart the system when the application crashes and
ends up into a non recoverable state. After enabling, the application
must "feed" the watchdog periodically to prevent it from expiring and
resetting the system.
"""
# https://docs.pycom.io/firmwareapi/pycom/machine/wdt.html
if not self.settings.get('main.watchdog.enabled', False):
log.info('Skipping watchdog timer (WDT)')
return
watchdog_timeout = self.settings.get('main.watchdog.timeout', 10000)
log.info('Starting the watchdog timer (WDT) with timeout {}ms'.format(
watchdog_timeout))
from machine import WDT
self.wdt = WDT(timeout=watchdog_timeout)
# Feed Watchdog once.
self.wdt.feed()
def feed_watchdog(self):
if self.wdt is not None:
log.info('Feeding Watchdog')
self.wdt.feed()
def start_rtc(self):
"""
The RTC is used to keep track of the date and time.
"""
# https://docs.pycom.io/firmwareapi/pycom/machine/rtc.html
# https://medium.com/@chrismisztur/pycom-uasyncio-installation-94931fc71283
import time
from machine import RTC
self.rtc = RTC()
# TODO: Use values from configuration settings here.
self.rtc.ntp_sync("pool.ntp.org", 360)
while not self.rtc.synced():
time.sleep_ms(50)
log.info('RTC: %s', self.rtc.now())
def run_gc(self):
"""
Run a garbage collection.
https://docs.pycom.io/firmwareapi/micropython/gc.html
"""
import gc
gc.collect()
def configure_rgb_led(self):
"""
https://docs.pycom.io/tutorials/all/rgbled.html
"""
import pycom
# Enable or disable heartbeat.
rgb_led_heartbeat = self.settings.get('main.rgb_led.heartbeat', True)
pycom.heartbeat(rgb_led_heartbeat)
pycom.heartbeat_on_boot(rgb_led_heartbeat)
# Alternative signalling.
# Todo: Run this in a separate thread in order not to delay execution of main program flow.
if not rgb_led_heartbeat:
for _ in range(2):
pycom.rgbled(0x001100)
time.sleep(0.15)
pycom.rgbled(0x000000)
time.sleep(0.10)
def power_off_lte_modem(self):
"""
We don't use LTE yet.
https://community.hiveeyes.org/t/lte-modem-des-pycom-fipy-komplett-stilllegen/2161
https://forum.pycom.io/topic/4877/deepsleep-on-batteries/10
"""
import pycom
"""
if not pycom.lte_modem_en_on_boot():
log.info('Skip turning off LTE modem')
return
"""
log.info('Turning off LTE modem')
try:
from network import LTE
# Invoking this will cause `LTE.deinit()` to take around 6(!) seconds.
#log.info('Enabling LTE modem on boot')
#pycom.lte_modem_en_on_boot(True)
log.info('Turning off LTE modem on boot')
pycom.lte_modem_en_on_boot(False)
log.info('Invoking LTE.deinit()')
lte = LTE()
lte.deinit()
except:
log.exception('Shutting down LTE modem failed')
def power_off_bluetooth(self):
"""
We don't use Bluetooth yet.
"""
log.info('Turning off Bluetooth')
try:
from network import Bluetooth
bluetooth = Bluetooth()
bluetooth.deinit()
except:
log.exception('Shutting down Bluetooth failed')
def start_telemetry(self):
log.info('Starting telemetry')
self.telemetry = TelemetryManager()
# Read all designated telemetry targets from configuration settings.
telemetry_targets = self.settings.get('telemetry.targets')
# Compute list of all _enabled_ telemetry targets.
telemetry_candidates = []
for telemetry_target in telemetry_targets:
if telemetry_target.get('enabled', False):
telemetry_candidates.append(telemetry_target)
# Create adapter objects for each enabled telemetry target.
for telemetry_target in telemetry_candidates:
try:
self.create_telemetry_adapter(telemetry_target)
self.feed_watchdog()
except:
log.exception(
'Creating telemetry adapter failed for target: %s',
telemetry_target)
def create_telemetry_adapter(self, telemetry_target):
# Create adapter object.
telemetry_adapter = TelemetryAdapter(
device=self,
endpoint=telemetry_target['endpoint'],
address=telemetry_target.get('address'),
data=telemetry_target.get('data'),
topology=telemetry_target.get('topology'),
format=telemetry_target.get('format'),
content_encoding=telemetry_target.get('encode'),
)
# Setup telemetry adapter.
telemetry_adapter.setup()
self.telemetry.add_adapter(telemetry_adapter)
def enable_serial(self):
# Disable these two lines if you don't want serial access.
# The Pycom forum tells us that this is already incorporated into
# more recent firmwares, so this is probably a thing of the past.
#uart = machine.UART(0, 115200)
#os.dupterm(uart)
pass
def print_bootscreen(self):
"""
Print bootscreen.
This contains important details about your device
and the operating system running on it.
"""
if not self.settings.get('main.logging.enabled', False):
return
# Todo: Maybe refactor to TerkinDatalogger.
from uio import StringIO
buffer = StringIO()
def add(item=''):
buffer.write(item)
buffer.write('\n')
# Program name and version.
title = '{} {}'.format(self.name, self.version)
add()
add('=' * len(title))
add(title)
add('=' * len(title))
# Machine runtime information.
add('CPU freq {} MHz'.format(machine.freq() / 1000000))
add('Device id {}'.format(self.device_id))
add()
# System memory info (in bytes)
machine.info()
add()
# TODO: Python runtime information.
add('{:8}: {}'.format('Python', sys.version))
"""
>>> import os; os.uname()
(sysname='FiPy', nodename='FiPy', release='1.20.0.rc7', version='v1.9.4-2833cf5 on 2019-02-08', machine='FiPy with ESP32', lorawan='1.0.2', sigfox='1.0.1')
"""
runtime_info = os.uname()
for key in dir(runtime_info):
if key == '__class__':
continue
value = getattr(runtime_info, key)
#print('value:', value)
add('{:8}: {}'.format(key, value))
add()
add()
# Todo: Add program authors, contributors and credits.
log.info('\n' + buffer.getvalue())
def power_off(self):
self.networking.stop()
def hibernate(self, interval, deepsleep=False):
#logging.enable_logging()
if deepsleep:
# Prepare and invoke deep sleep.
# https://docs.micropython.org/en/latest/library/machine.html#machine.deepsleep
log.info('Preparing deep sleep')
# Set wake up mode.
self.set_wakeup_mode()
# Invoke deep sleep.
log.info('Entering deep sleep for {} seconds'.format(interval))
self.terminal.stop()
machine.deepsleep(int(interval * 1000))
else:
log.info('Entering light sleep for {} seconds'.format(interval))
# Invoke light sleep.
# https://docs.micropython.org/en/latest/library/machine.html#machine.sleep
# https://docs.micropython.org/en/latest/library/machine.html#machine.lightsleep
#
# As "machine.sleep" seems to be a noop on Pycom MicroPython,
# we will just use the regular "time.sleep" here.
# machine.sleep(int(interval * 1000))
time.sleep(interval)
def resume(self):
log.info('Reset cause and wakeup reason: %s',
MachineResetCause.humanize())
def set_wakeup_mode(self):
# Set wake up parameters.
"""
The arguments are:
- pins: a list or tuple containing the GPIO to setup for deepsleep wakeup.
- mode: selects the way the configured GPIOs can wake up the module.
The possible values are: machine.WAKEUP_ALL_LOW and machine.WAKEUP_ANY_HIGH.
- enable_pull: if set to True keeps the pull up or pull down resistors enabled
during deep sleep. If this variable is set to True, then ULP or capacitive touch
wakeup cannot be used in combination with GPIO wakeup.
-- https://community.hiveeyes.org/t/deep-sleep-with-fipy-esp32-on-micropython/1792/12
This will yield a wake up reason like::
'wakeup_reason': {'code': 1, 'message': 'PIN'}
"""
# Todo: ``enable_pull`` or not?
# From documentation.
# machine.pin_sleep_wakeup(pins=['P8'], mode=machine.WAKEUP_ALL_LOW, enable_pull=True)
# Let's try.
#machine.pin_sleep_wakeup(pins=['P8'], mode=machine.WAKEUP_ALL_LOW, enable_pull=False)
pass
class SenseLink:
"""
Class object that receives optional pin arguments for the SDA-pin (Serial Data), the SCL-pin (Serial Clock) and the
pin for the photometry module. The defaults are SDA = Pin3, SCL = Pin4, Phot = Pin20 on the Pycom Extension Board v3.1.
"""
def __init__(self,
sda="P3",
scl="P4",
als="P20",
ssid="",
pw="",
frequency=5,
debug=0,
feed_layer=None):
self.feed_layer = feed_layer
self.fid = self.feed_layer.get_sensor_feed_fid()
self.cfid = self.feed_layer.get_control_feed_fid()
self.rtc = RTC()
self.debug = debug
self.lastsent = 0
self.switch = True
self.wlan = WLAN(mode=WLAN.STA)
self.connectWlan(ssid=ssid, pw=pw)
self.subscribe_state = self.feed_layer.subscribe_control_feed(
self.callback)
self.frequency = frequency
self.__debug("Sensor Feed ID is: " + str(self.fid))
self.__debug("Control Feed ID is: " + str(self.cfid))
try:
self.bme280 = bme280.BME280(i2c=I2C(pins=(sda, scl)))
except:
self.__exitError(
"BME280 not recognized. Please check the connections.",
loop=True,
col=1)
self.l_pin = ADC().channel(pin=als)
def getFid(self):
return self.fid
def getCfid(self):
return self.cfid
def switchState(self):
return self.switch
def callback(self, event):
self.__debug("Event received: {}".format(event))
self.setFrequency(int(event))
def setFrequency(self, val):
self.__debug("Frequency changed to {}".format(val))
self.frequency = val
def getFrequency(self):
return self.frequency
def createEvent(self):
self.vals = self.__getValues()
event = "['{}', '{:.2f}', '{:.2f}', '{:.2f}', '{:.2f}']".format(
self.vals[0], self.vals[1], self.vals[2], self.vals[3],
self.vals[4])
self.__debug("Creating event: " + event)
return event
def connectWlan(self, ssid, pw, timeout=5):
self.wlan.connect(ssid=ssid, auth=(WLAN.WPA2, pw))
counter = 0
self.__debug("Connecting to WLAN", newline=False)
while not self.wlan.isconnected():
counter = counter + 1
if (counter == timeout):
self.__exitError("Unable to connect (timed out).",
loop=True,
col=0)
return
time.sleep(1)
self.__debug(".", newline=False)
if self.wlan.isconnected():
self.__debug(" Connected! ", newline=False)
counter = 0
self.rtc.ntp_sync("0.ch.pool.ntp.org")
self.__debug("Connecting to NTP server ", newline=False)
while not self.rtc.synced():
counter = counter + 1
if (counter == timeout):
self.__exitError("Unable to connect (timed out).",
loop=True,
col=0)
return
self.__debug(".", newline=False)
time.sleep(1)
self.__debug(" Completed!", newline=False)
self.switch = False
self.__debug("Connection established and time data received.")
def __getTimeStamp(self,
offset_sec=0,
offset_min=0,
offset_hour=0,
offset_day=0,
offset_month=0,
offset_year=0):
if self.wlan.isconnected():
self.rtc.ntp_sync("0.ch.pool.ntp.org")
time = self.rtc.now()
seconds = self.__zfill(str(time[5] + offset_sec), 2)
minutes = self.__zfill(str(time[4] + offset_min), 2)
hour = self.__zfill(time[3] + offset_hour, 2)
day = self.__zfill(time[2] + offset_day, 2)
month = self.__zfill(time[1] + offset_month, 2)
year = time[0] - 2000 + offset_year
return "{}/{}/{} {}:{}:{}".format(day, month, year, hour, minutes,
seconds)
else:
return "notime"
def __zfill(self, s, width):
return '{:0>{w}}'.format(s, w=width)
def updateInfo(self):
while True:
self.__debug(self.__getTimeStamp() +
" Switch state: {}".format(self.switch))
self.currentpack = self.__getValues()
time.sleep(1)
def __getValues(self):
try:
t, p, h = self.bme280.values
li = self.l_pin()
return self.__getTimeStamp(offset_hour=2), t, p, h, li / 4095 * 100
except:
self.__exitError(
"BME280 not recognized. Please check the connections.",
loop=True)
def __exitError(self, str, col, loop=False):
print('\033[91m' + "Error: " + str + '\x1b[0m')
pycom.heartbeat(False)
if col == 0:
pycom.rgbled(0x7f7f00)
elif col == 1:
pycom.rgbled(0x7f0000)
if loop:
while True:
pass
else:
sys.exit()
def __debug(self, str, newline=True):
if newline:
print('\033[93m' + "SenseLink | Debug: " + str + '\x1b[0m')
else:
print('\033[93m' + str + '\x1b[0m', end='')
def thread_echo(args):
global DEBUG
global clock
global ws2812_chain
# Set up our singleton for polling the sockets for data ready
ws2812_chain = WS2812(ledNumber=ledNumber, brightness=100)
p = poller()
# NOTE: As of 2015-08-17, the Echo appears to have a hard-coded limit of
# 16 switches it can control. Only the first 16 elements of the 'devices'
# list will be used.
devices = [
{
"description": "white led",
"port": 12340,
"handler": rest_api_handler((255, 255, 255), 50)
},
{
"description": "red led",
"port": 12341,
"handler": rest_api_handler((255, 0, 0), 50)
},
{
"description": "blue led",
"port": 12342,
"handler": rest_api_handler((30, 144, 255), 90)
},
# {"description": "green led",
# "port": 12343,
# "handler": rest_api_handler((0,255,0), 90)},
# {"description": "orange led",
# "port": 12345,
# "handler": rest_api_handler((255,165,0), 90)},
]
# Set up our singleton listener for UPnP broadcasts
u = upnp_broadcast_responder()
u.init_socket()
# Add the UPnP broadcast listener to the poller so we can respond
# when a broadcast is received.
p.add(u)
# Create our FauxMo virtual switch devices
# Initialize FauxMo devices
for device in devices:
#if `port` doesnt exist, populate it
#if it isnt an int, flip out with a descriptive exception
if not device.get("port"):
device["port"] = 0
elif type(device["port"]) is not int:
raise InvalidPortException(
"Invalid port of type: {}, with a value of: {}".format(
type(device["port"]), device["port"]))
fauxmo(device["description"],
u,
p,
None,
device["port"],
action_handler=device["handler"])
# setting the clock using ntp
if uname().machine == 'WiPy with ESP32': # Wipy 2.0
clock_tmp = RTC()
clock_tmp.ntp_sync('time1.google.com')
clock = time #gmtime function needed
elif uname().machine == 'ESP32 module with ESP32': # Wemos ESP-WROOM-32
clock = RTC() #gmtime function needed
clock.ntp_sync('time1.google.com')
dbg("Entering main loop\n")
while True:
try:
# Allow time for a ctrl-c to stop the process
p.poll(10)
time.sleep(0.1)
gc.collect()
except Exception as e:
dbg(e)
break
class Monitor(object):
def __init__(
self,
solar_topic, grid_topic, mqtt_broker, wifi_credentials,
graph_interval_s=60, update_interval_ms=1000
):
self._solar_topic = solar_topic
self._grid_topic = grid_topic
self._mqtt_broker = mqtt_broker
self._wifi_credentials = wifi_credentials
self._graph_interval = graph_interval_s
self._update_interval = update_interval_ms
self._graph_window = Monitor._shorten(self._graph_interval * 320)
self._tft = None
self._wlan = None
self._mqtt = None
self._neopixel = None
self._battery = IP5306(I2C(scl=Pin(22), sda=Pin(21)))
self._timer = Timer(0)
self._rtc = RTC()
self._button_a = ButtonA(callback=self._button_a_pressed)
self._button_b = ButtonB(callback=self._button_b_pressed)
self._button_c = ButtonC(callback=self._button_c_pressed)
self._reboot = False
self._backup = False
self._solar = None
self._usage = None
self._grid = None
self._importing = None
self._prev_importing = None
self._solar_avg_buffer = []
self._grid_avg_buffer = []
self._usage_buffer = []
self._usage_buffer_max = 0
self._usage_buffer_min = 0
self._usage_buffer_avg = 0
self._usage_buffer_stddev = 0
self._usage_max_coords = [0, 0]
self._calculate_buffer_stats('usage', 0)
self._solar_buffer = []
self._solar_buffer_max = 0
self._solar_buffer_min = 0
self._solar_buffer_avg = 0
self._solar_buffer_stddev = 0
self._solar_max_coords = [0, 0]
self._calculate_buffer_stats('solar', 0)
self._last_update = (0, 0, 0, 0, 0, 0)
self._data_received = [False, False]
self._buffer_updated = False
self._realtime_updated = False
self._last_value_added = None
self._graph_max = 0
self._solar_max = 0
self._usage_max = 0
self._menu_horizontal_pointer = 0
self._menu_tick = 0
self._menu_tick_divider = 0
self._blank_menu = False
self._save = False
self._show_markers = True
self._color = None
self._ticks = {'M': 0, # MQTT message
'D': 0, # Data sample (solar + grid)
'R': 0, # Remaining time for next graph update
'G': 0, # Graph datapoint added
'B': 0, # Button press
'E': 0} # Exceptions
self._tick_keys = ['M', 'D', 'G', 'B', 'R', 'E']
self._last_exception = 'None'
self._runtime_config_parameters = ['show_markers']
self._last_logline = ''
self._log('Initializing TFT...')
self._tft = display.TFT()
self._tft.init(self._tft.M5STACK, width=240, height=320, rst_pin=33, backl_pin=32, miso=19, mosi=23, clk=18, cs=14, dc=27, bgr=True, backl_on=1)
self._tft.tft_writecmd(0x21) # Invert colors
self._tft.clear()
self._tft.font(self._tft.FONT_Default, transparent=False)
self._tft.text(0, 0, 'USAGE', self._tft.DARKGREY)
self._tft.text(self._tft.CENTER, 0, 'IMPORTING', self._tft.DARKGREY)
self._tft.text(self._tft.RIGHT, 0, 'SOLAR', self._tft.DARKGREY)
self._tft.text(0, 14, 'Loading...', self._tft.DARKGREY)
self._log('Initializing TFT... Done')
def init(self):
""" Init logic; connect to wifi, connect to MQTT and setup RTC/NTP """
self._log('Connecting to wifi ({0})... '.format(self._wifi_credentials[0]), tft=True)
self._wlan = network.WLAN(network.STA_IF)
self._wlan.active(True)
self._wlan.connect(*self._wifi_credentials)
safety = 10
while not self._wlan.isconnected() and safety > 0:
# Wait for the wifi to connect, max 10s
time.sleep(1)
safety -= 1
self._log('Connecting to wifi ({0})... {1}'.format(self._wifi_credentials[0], 'Done' if safety else 'Fail'))
mac_address = ubinascii.hexlify(self._wlan.config('mac'), ':').decode()
self._log('Connecting to MQTT...', tft=True)
if self._mqtt is not None:
self._mqtt.unsubscribe('emon/#')
self._mqtt = network.mqtt('emon', self._mqtt_broker, user='******', password='******', clientid=mac_address, data_cb=self._process_data)
self._mqtt.start()
safety = 5
while self._mqtt.status()[0] != 2 and safety > 0:
# Wait for MQTT connection, max 5s
time.sleep(1)
safety -= 1
self._mqtt.subscribe('emon/#')
self._log('Connecting to MQTT... {0}'.format('Done' if safety else 'Fail'))
self._log('Sync NTP...', tft=True)
self._rtc.ntp_sync(server='be.pool.ntp.org', tz='CET-1CEST-2')
safety = 5
while not self._rtc.synced() and safety > 0:
# Wait for NTP time sync, max 5s
time.sleep(1)
safety -= 1
self._last_update = self._rtc.now()
self._log('Sync NTP... {0}'.format('Done' if safety else 'Fail'))
self._log('Initializing Neopixels...', tft=True)
try:
self._neopixel = Neopixel(Pin(15), 10, Neopixel.TYPE_RGB)
self._neopixel.clear()
except Exception:
self._neopixel = None
self._log('Initializing Neopixels... {0}'.format('Available' if self._neopixel is not None else 'Unavailable'))
self._tft.text(0, 14, ' ' * 50, self._tft.DARKGREY) # Clear the line
def _process_data(self, message):
""" Process MQTT message """
try:
topic = message[1]
data = float(message[2])
self._ticks['M'] += 1
# Collect data samples from solar & grid
if topic == self._solar_topic:
self._solar = max(0.0, data)
self._data_received[0] = True
elif topic == self._grid_topic:
self._grid = data
self._data_received[1] = True
if self._data_received[0] and self._data_received[1]:
self._ticks['D'] += 1
# Once the data has been received, calculate realtime usage
self._usage = self._solar + self._grid
self._last_update = self._rtc.now()
self._realtime_updated = True # Redraw realtime values
self._data_received = [False, False]
# Process data for the graph; collect solar & grids, and every x-pixel
# average the data out and draw them on that pixel.
now = time.time()
rounded_now = int(now - now % self._graph_interval)
if self._last_value_added is None:
self._last_value_added = rounded_now
self._ticks['R'] = int(rounded_now + self._graph_interval - now)
self._solar_avg_buffer.append(int(self._solar))
self._grid_avg_buffer.append(int(self._grid))
if self._last_value_added != rounded_now:
self._ticks['G'] += 1
solar, usage = self._read_avg_buffer(reset=True)
self._solar_buffer.append(solar)
self._solar_buffer = self._solar_buffer[-319:] # Keep one pixel for moving avg
self._calculate_buffer_stats('solar', solar)
self._usage_buffer.append(usage)
self._usage_buffer = self._usage_buffer[-319:] # Keep one pixel for moving avg
self._calculate_buffer_stats('usage', usage)
self._last_value_added = rounded_now
self._buffer_updated = True # Redraw the complete graph
except Exception as ex:
self._last_exception = str(ex)
self._ticks['E'] += 1
self._log('Exception in process data: {0}'.format(ex))
def _calculate_buffer_stats(self, buffer_type, single_value):
buffer = getattr(self, '_{0}_buffer'.format(buffer_type))
if len(buffer) == 0:
return
setattr(self, '_{0}_buffer_max'.format(buffer_type), single_value if len(buffer) == 1 else max(*buffer))
setattr(self, '_{0}_buffer_min'.format(buffer_type), single_value if len(buffer) == 1 else min(*buffer))
setattr(self, '_{0}_buffer_avg'.format(buffer_type), sum(buffer) / len(buffer))
setattr(self, '_{0}_buffer_stddev'.format(buffer_type), Monitor._stddev(buffer))
def _read_avg_buffer(self, reset):
solar_avg_buffer_length = len(self._solar_avg_buffer)
grid_avg_buffer_length = len(self._grid_avg_buffer)
if solar_avg_buffer_length == 0 or grid_avg_buffer_length == 0:
return 0, 0
solar = int(sum(self._solar_avg_buffer) / solar_avg_buffer_length)
grid = int(sum(self._grid_avg_buffer) / grid_avg_buffer_length)
usage = solar + grid
if reset:
self._solar_avg_buffer = []
self._grid_avg_buffer = []
return solar, usage
def load(self):
self._log('Loading runtime configuration...', tft=True)
if 'runtime_config.json' in os.listdir('/flash'):
with open('/flash/runtime_config.json', 'r') as f:
runtime_config = ujson.load(f)
for key in self._runtime_config_parameters:
if key in runtime_config:
setattr(self, '_{0}'.format(key), runtime_config[key])
self._log('Loading runtime configuration... Done', tft=True)
self._log('Restoring backup...', tft=True)
if 'backup.json' in os.listdir('/flash'):
with open('/flash/backup.json', 'r') as f:
backup = ujson.load(f)
self._usage_buffer = backup.get('usage_buffer', [])
self._calculate_buffer_stats('usage', 0)
self._solar_buffer = backup.get('solar_buffer', [])
self._calculate_buffer_stats('solar', 0)
os.remove('/flash/backup.json')
self._log('Restoring backup... Done', tft=True)
def run(self):
""" Set timer """
self._timer.init(period=self._update_interval, mode=Timer.PERIODIC, callback=self._tick)
def _tick(self, timer):
""" Do stuff at a regular interval """
_ = timer
self._draw()
try:
# At every tick, make sure wifi is still connected
if not self._wlan.isconnected():
self.init()
except Exception as ex:
self._last_exception = str(ex)
self._ticks['E'] += 1
self._log('Exception in watchdog: {0}'.format(ex))
if self._reboot:
self._take_backup()
self._save_runtime_config()
machine.reset()
if self._backup:
self._take_backup()
self._save_runtime_config()
self._backup = False
if self._save:
self._save_runtime_config()
self._save = False
def _save_runtime_config(self):
data = {}
for key in self._runtime_config_parameters:
data[key] = getattr(self, '_{0}'.format(key))
with open('/flash/runtime_config.json', 'w') as runtime_config_file:
runtime_config_file.write(ujson.dumps(data))
def _take_backup(self):
with open('/flash/backup.json', 'w') as backup_file:
backup_file.write(ujson.dumps({'usage_buffer': self._usage_buffer,
'solar_buffer': self._solar_buffer}))
def _draw(self):
""" Update display """
try:
self._draw_realtime()
except Exception as ex:
self._last_exception = str(ex)
self._ticks['E'] += 1
self._log('Exception in draw realtime: {0}'.format(ex))
try:
self._draw_graph()
except Exception as ex:
self._last_exception = str(ex)
self._ticks['E'] += 1
self._log('Exception in draw graph: {0}'.format(ex))
try:
self._draw_menu()
except Exception as ex:
self._last_exception = str(ex)
self._ticks['E'] += 1
self._log('Exception in draw menu: {0}'.format(ex))
try:
self._draw_rgb()
except Exception as ex:
self._last_exception = str(ex)
self._ticks['E'] += 1
self._log('Exception in draw rgb: {0}'.format(ex))
def _draw_rgb(self):
""" Uses the neopixel leds (if available) to indicate how "good" our power consumption is. """
if self._neopixel is None:
return
if len(self._solar_buffer) == 0 or self._usage is None:
self._neopixel.clear()
return
high_usage = self._usage > self._usage_buffer_avg + (self._usage_buffer_stddev * 2)
if self._grid < 0:
# Feeding back to the grid
score = 0
if self._grid < -500:
score += 1
if self._grid < -1000:
score += 1
if high_usage:
score -= 1
colors = [Neopixel.GREEN, Neopixel.LIME, Neopixel.YELLOW]
color = colors[max(0, score)]
else:
score = 0
if high_usage:
score += 1
if self._solar == 0:
score += 1
colors = [Neopixel.BLUE, Neopixel.PURPLE, Neopixel.RED]
color = colors[max(0, score)]
if self._color != color:
self._neopixel.set(0, color, num=10)
self._color = color
def _draw_realtime(self):
""" Realtime part; current usage, importing/exporting and solar """
if not self._realtime_updated:
return
self._tft.text(self._tft.RIGHT, 14, ' {0:.2f}W'.format(self._solar), self._tft.YELLOW)
self._tft.text(0, 14, '{0:.2f}W '.format(self._usage), self._tft.BLUE)
self._importing = self._grid > 0
if self._prev_importing != self._importing:
if self._importing:
self._tft.text(self._tft.CENTER, 0, ' IMPORTING ', self._tft.DARKGREY)
else:
self._tft.text(self._tft.CENTER, 0, ' EXPORTING ', self._tft.DARKGREY)
if self._importing:
self._tft.text(self._tft.CENTER, 14, ' {0:.2f}W '.format(abs(self._grid)), self._tft.RED)
else:
self._tft.text(self._tft.CENTER, 14, ' {0:.2f}W '.format(abs(self._grid)), self._tft.GREEN)
self._prev_importing = self._importing
self._realtime_updated = False
def _draw_graph(self):
""" Draw the graph part """
solar_moving_avg, usage_moving_avg = self._read_avg_buffer(reset=False)
solar_max = max(self._solar_buffer_max, solar_moving_avg)
usage_max = max(self._usage_buffer_max, usage_moving_avg)
max_value = float(max(solar_max, usage_max))
if max_value != self._graph_max:
self._graph_max = max_value
self._buffer_updated = True
if solar_max != self._solar_max:
self._solar_max = solar_max
self._buffer_updated = True
if usage_max != self._usage_max:
self._usage_max = usage_max
self._buffer_updated = True
ratio = 1 if max_value == 0 else (180.0 / max_value)
show_markers = self._show_markers and max_value > 0
buffer_size = len(self._usage_buffer)
avg_marker = False
usage_max_coords = self._usage_max_coords
solar_max_coords = self._solar_max_coords
if self._buffer_updated:
for index, usage in enumerate(self._usage_buffer):
solar = self._solar_buffer[index]
usage_y, solar_y = self._draw_graph_line(index, solar, usage, ratio)
if usage == usage_max:
usage_max_coords = [index, usage_y]
if solar == solar_max:
solar_max_coords = [index, solar_y]
usage_y, solar_y = self._draw_graph_line(buffer_size, solar_moving_avg, usage_moving_avg, ratio)
if usage_moving_avg == usage_max:
avg_marker = True
usage_max_coords = [buffer_size, usage_y]
if solar_moving_avg == solar_max:
avg_marker = True
solar_max_coords = [buffer_size, solar_y]
max_coords_changed = self._usage_max_coords != usage_max_coords or self._solar_max_coords != solar_max_coords
if self._buffer_updated and max_coords_changed:
self._tft.rect(buffer_size + 1, 40, 320, 220, self._tft.BLACK, self._tft.BLACK)
if show_markers:
self._draw_marker('{0:.0f}W'.format(solar_max), solar_max_coords, not avg_marker)
self._draw_marker('{0:.0f}W'.format(usage_max), usage_max_coords, not avg_marker)
self._usage_max_coords = usage_max_coords
self._solar_max_coords = solar_max_coords
self._buffer_updated = False
def _draw_marker(self, text, coords, transparent):
x, y = coords
if x > 160:
text_x = x - self._tft.textWidth(text) - 10
line_start_x = x - 2
line_end_x = x - 8
else:
text_x = x + 10
line_start_x = x + 2
line_end_x = text_x - 2
if y > 120:
text_y = y - 22
else:
text_y = y + 10
self._tft.font(self._tft.FONT_Default, transparent=transparent)
self._tft.text(text_x, text_y, text, self._tft.DARKGREY)
self._tft.line(line_start_x, y, line_end_x, text_y + 6, self._tft.DARKGREY)
self._tft.font(self._tft.FONT_Default, transparent=False)
def _draw_graph_line(self, index, solar, usage, ratio):
usage_height = int(usage * ratio)
solar_height = int(solar * ratio)
usage_y = 220 - usage_height
solar_y = 220 - solar_height
max_height = max(usage_height, solar_height)
self._tft.line(index, 40, index, 220 - max_height, self._tft.BLACK)
if usage_height > solar_height:
self._tft.line(index, usage_y, index, solar_y, self._tft.BLUE)
if solar_height > 0:
self._tft.line(index, solar_y, index, 220, self._tft.DARKCYAN)
else:
self._tft.line(index, solar_y, index, usage_y, self._tft.YELLOW)
if usage_height > 0:
self._tft.line(index, usage_y, index, 220, self._tft.DARKCYAN)
return usage_y, solar_y
def _draw_menu(self):
if self._blank_menu:
self._tft.rect(0, 221, 320, 240, self._tft.BLACK, self._tft.BLACK)
self._blank_menu = False
if self._menu_horizontal_pointer == 0:
data = 'Updated: {0:04d}/{1:02d}/{2:02d} {3:02d}:{4:02d}:{5:02d}'.format(*self._last_update[:6])
elif self._menu_horizontal_pointer == 1:
data = 'Battery: {0}%'.format(self._battery.level)
elif self._menu_horizontal_pointer == 2:
data = 'Graph: {0} {1}, max {2:.2f}W'.format(len(self._usage_buffer), self._graph_window, self._graph_max)
elif self._menu_horizontal_pointer in [3, 4]:
data_type = 'solar' if self._menu_horizontal_pointer == 3 else 'usage'
solar, usage = self._read_avg_buffer(reset=False)
if self._menu_tick == 0:
value = min(
getattr(self, '_{0}_buffer_min'.format(data_type)),
solar if data_type == 'solar' else usage,
self._solar if data_type == 'solar' else self._usage
)
info = 'min'
elif self._menu_tick == 1:
value = getattr(self, '_{0}_buffer_avg'.format(data_type))
info = 'avg'
elif self._menu_tick == 2:
value = getattr(self, '_{0}_buffer_avg'.format(data_type)) + (getattr(self, '_{0}_buffer_stddev'.format(data_type)) * 2)
info = 'high'
else:
value = max(
getattr(self, '_{0}_buffer_max'.format(data_type)),
solar if data_type == 'solar' else usage,
self._solar if data_type == 'solar' else self._usage
)
info = 'max'
data = '{0}{1} stats: {2:.2f}W {3}'.format(data_type[0].upper(), data_type[1:], value, info)
elif self._menu_horizontal_pointer == 5:
data = 'Time: {0}'.format(time.time())
elif self._menu_horizontal_pointer == 6:
data = 'Exception: {0}'.format(self._last_exception[:20])
elif self._menu_horizontal_pointer == 7:
data = 'Press B to reboot'
elif self._menu_horizontal_pointer == 8:
data = 'Press B to take a backup'
elif self._menu_horizontal_pointer == 9:
data = 'Press B to {0} markers'.format('hide' if self._show_markers else 'show')
elif self._menu_horizontal_pointer == 10:
log_entry = self._last_logline[:26]
if len(log_entry) < 26:
log_entry += ' ' * (26 - len(log_entry))
data = 'Log: {0}'.format(log_entry)
else:
data = 'Ticks: {0}'.format(', '.join('{0}'.format(self._ticks[key]) for key in self._tick_keys))
self._tft.text(0, self._tft.BOTTOM, '<', self._tft.DARKGREY)
self._tft.text(self._tft.RIGHT, self._tft.BOTTOM, '>', self._tft.DARKGREY)
if len(data) < 32:
padding = int(float(32 - len(data) + 1) / 2)
data = '{0}{1}{2}'.format(' ' * padding, data, ' ' * padding)
self._tft.text(self._tft.CENTER, self._tft.BOTTOM, data, self._tft.DARKGREY)
self._menu_tick_divider += 1
if self._menu_tick_divider == 3: # Increase menu tick every X seconds
self._menu_tick += 1
if self._menu_tick == 4:
self._menu_tick = 0
self._menu_tick_divider = 0
def _button_a_pressed(self, pin, pressed):
_ = pin
if pressed:
self._ticks['B'] += 1
self._menu_horizontal_pointer -= 1
if self._menu_horizontal_pointer < 0:
self._menu_horizontal_pointer = 11
self._blank_menu = True
def _button_b_pressed(self, pin, pressed):
_ = pin
if pressed:
if self._menu_horizontal_pointer == 7:
self._reboot = True
elif self._menu_horizontal_pointer == 8:
self._backup = True
elif self._menu_horizontal_pointer == 9:
self._show_markers = not self._show_markers
self._save = True
def _button_c_pressed(self, pin, pressed):
_ = pin
if pressed:
self._ticks['B'] += 1
self._menu_horizontal_pointer += 1
if self._menu_horizontal_pointer > 11:
self._menu_horizontal_pointer = 0
self._blank_menu = True
@staticmethod
def _stddev(entries):
""" returns the standard deviation of lst """
avg = sum(entries) / len(entries)
variance = sum([(e - avg) ** 2 for e in entries]) / len(entries)
return sqrt(variance)
@staticmethod
def _shorten(seconds):
""" Converts seconds to a `xh ym ys` notation """
parts = []
seconds_hour = 60 * 60
seconds_minute = 60
if seconds >= seconds_hour:
hours = int((seconds - seconds % seconds_hour) / seconds_hour)
seconds = seconds - (hours * seconds_hour)
parts.append('{0}h'.format(hours))
if seconds >= seconds_minute:
minutes = int((seconds - seconds % seconds_minute) / seconds_minute)
seconds = seconds - (minutes * seconds_minute)
parts.append('{0}m'.format(minutes))
if seconds > 0:
parts.append('{0}s'.format(seconds))
return ' '.join(parts)
def _log(self, message, tft=False):
""" Logs a message to the console and (optionally) to the display """
print(message)
self._last_logline = message
if tft:
self._tft.text(0, 14, '{0}{1}'.format(message, ' ' * 50), self._tft.DARKGREY)
class HttpNotifier():
def connection_timer_handler(self, alarm):
if not self._wlan.isconnected():
print('failed to connect to {}, restarting...'.format(wifi_config['ssid']))
reset()
def sync_timer_handler(self, alarm):
if not self._rtc.synced():
print('failed to sync time with ntp, restarting...')
reset()
def __init__(self, thng_id, api_key):
self._thng_id = thng_id
self._http_headers = {'Content-Type': 'application/json', 'Authorization': api_key}
self._rtc = RTC()
self._wlan = WLAN(mode=WLAN.STA)
nets = self._wlan.scan()
print('WLAN: scanned networks: {}'.format([net.ssid for net in nets]))
for net in nets:
if net.ssid == wifi_config['ssid']:
print('WLAN: connecting to {}...'.format(net.ssid))
self._wlan.connect(wifi_config['ssid'], auth=(
net.sec, wifi_config['passphrase']), timeout=30000)
Timer.Alarm(self.connection_timer_handler, 35, periodic=False)
while not self._wlan.isconnected():
idle() # save power while waiting
print('WLAN: connection to {} succeeded!'.format(wifi_config['ssid']))
print('ifconfig: {}'.format(self._wlan.ifconfig()))
self._send_props([{'key': 'in_use', 'value': False}])
Timer.Alarm(self.sync_timer_handler, 30, periodic=False)
while not self._rtc.synced():
self._rtc.ntp_sync('pool.ntp.org', update_period=3600)
time.sleep(1)
print("time synced: {}".format(self._rtc.now()))
# seems like we are still not connected,
# setup wifi network does not exist ???
if not self._wlan.isconnected():
print('failed to connect or specified network does not exist')
time.sleep(20)
reset()
# provision.enter_provisioning_mode()
def _send(self, method, url, json):
print('REQUEST: {}: {}'.format(method, json))
try:
resp = requests.request(method=method,
url=url,
json=json,
headers=self._http_headers)
except OSError as e:
print('RESPONSE: failed to perform request: {}'.format(e))
if not self._wlan.isconnected():
print('wifi connection lost, restarting...')
time.sleep(3)
reset()
else:
print('RESPONSE: {}...'.format(str(resp.json())[:100]))
gc_collect()
def _send_props(self, data):
self._send(method='PUT',
url='https://api.evrythng.com/thngs/{}/properties'.format(self._thng_id),
json=data)
def _send_actions(self, data):
for action in data:
self._send(method='POST',
url='https://api.evrythng.com/thngs/{}/actions/all'.format(self._thng_id),
json=action)
def handle_notifications(self, notifications):
properties = []
actions = []
for n in notifications:
if n.type == NotificationQueue.VIBRATION_STARTED:
properties.append({'key': 'in_use', 'value': True, 'timestamp': n.timestamp})
actions.append({'type': '_appliance_started', 'timestamp': n.timestamp})
elif n.type == NotificationQueue.VIBRATION_STOPPED:
properties.extend([{'key': 'in_use', 'value': False, 'timestamp': n.timestamp},
{'key': 'last_use', 'value': n.data, 'timestamp': n.timestamp}])
actions.append({'type': '_appliance_stopped', 'timestamp': n.timestamp})
elif n.type == NotificationQueue.UPTIME:
properties.append({'key': 'uptime', 'value': n.data, 'timestamp': n.timestamp})
elif n.type == NotificationQueue.AMBIENT:
properties.extend([
{'key': 'temperature', 'value': n.data[0], 'timestamp': n.timestamp},
{'key': 'humidity', 'value': n.data[1], 'timestamp': n.timestamp},
{'key': 'pressure', 'value': n.data[2], 'timestamp': n.timestamp},
{'key': 'battery_voltage', 'value': n.data[3], 'timestamp': n.timestamp}
])
elif n.type == NotificationQueue.VERSION:
properties.append({'key': 'version', 'value': n.data, 'timestamp': n.timestamp})
elif n.type == NotificationQueue.MAGNITUDE:
if not len(n.data):
return
properties.append({'key': 'magnitude', 'value': n.data, 'timestamp': n.timestamp})
else:
print('unsupported event {}'.format(n.type))
if actions:
self._send_actions(actions)
if properties:
self._send_props(properties)
from machine import RTC rtc = RTC() rtc.ntp_sync(server="hr.pool.ntp.org")
import machine
import config
import time
from machine import RTC
from network import WLAN
rtc = RTC() # Real Time Clock
wlan = WLAN() # get current object, without changing the mode
if machine.reset_cause() != machine.SOFT_RESET:
wlan.init(mode=WLAN.STA)
# configuration below MUST match your home router settings!!
if not config.DHCP:
wlan.ifconfig(config=(IP_ADDR, IP_MASK, IP_GATE, IP_DNS))
if not wlan.isconnected():
# change the line below to match your network ssid, security and password
wlan.connect(config.WIFI_SSID,
auth=(WLAN.WPA2, config.WIFI_PASS),
timeout=5000)
print('Connected to WiFi router on IP:', wlan.ifconfig()[0])
while not wlan.isconnected():
machine.idle() # save power while waiting
while not rtc.synced():
rtc.ntp_sync(config.NTP)
print('Trying to sync time to %s!' % config.NTP)
time.sleep(1)
pass
#Read the button, if pressed then not in deepsleep mode and connected to your wifi (to avoid many problem to update your code)
bouton = Pin('G4', mode=Pin.IN, pull=Pin.PULL_UP)
if bouton() == 0 or True: #TODO
pycom.rgbled(0xff9900) #orange
from network import WLAN
wlan = WLAN(mode=WLAN.STA)
nets = wlan.scan()
for net in nets:
if net.ssid == 'TP-LINK_2.4GHz':
print('SSID present.')
wlan.connect(net.ssid,
auth=(net.sec, 'werbrauchtschoninternet'),
timeout=5000)
while not wlan.isconnected():
machine.idle()
print('Connetion WLAN/WiFi OK!')
print("Sync time.")
rtc.ntp_sync("pool.ntp.org")
while not rtc.synced():
print("Wait to be in sync")
time.sleep(10)
print("RTC is in sync. ", rtc.now())
# machine.main('main2.py')
# machine.main('main.py')
break
else:
pycom.rgbled(0x7f0000)
# machine.main('main.py')
machine.main('main.py')
#Get curent time from the internet
#Note : The Loboris firmware works different from standard Micropython
# reference : https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/wiki/rtc
from machine import RTC
import time
# Timezone is found in second field, text before the coma, in https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/blob/master/MicroPython_BUILD/components/micropython/docs/zones.csv
timezone = 'CET-1CEST'
rtc = RTC()
#Set the system time and date, (in this case very roughly).
rtc.init((2018, 01, 01, 12, 12, 12))
#configure to sync the time every hour with a Network Time Protocol (NTP) server
rtc.ntp_sync(server="", tz=timezone, update_period=3600)
# I may take some time for the ntp server to reply, so we need to wait
# Wait 5 sec or until time is synched ?
tmo = 50
while not rtc.synced():
utime.sleep_ms(100)
tmo -= 1
if tmo == 0:
break
#get the current,synchonized, time
rtc.now()
from time import sleep, sleep_ms
from gc import collect, mem_free
from devices import SENSOR
from ui import UserInterface
from machine import RTC
from utime import localtime
from themes import *
rtc = RTC()
print("Synchronize time from NTP server ...")
rtc.ntp_sync(server="0.ua.pool.ntp.org", tz="Europe/Kiev")
while not rtc.synced():
sleep_ms(100)
break
collect()
theme = indigo
ui = UserInterface(theme)
sensor = SENSOR()
while KeyboardInterrupt:
_raw_time = localtime()
_date = str(_raw_time[2]) + '/' + str(_raw_time[1]) + '/' + str(
_raw_time[0])
_time = "{:0>2}".format(_raw_time[3] + 2) + ":{:0>2}".format(_raw_time[4])
ui.mem_free_label(mem_free())
ui.temp_label(sensor.temperature)
ui.humi_label(sensor.humidity)
ui.pres_label(sensor.pressure)
ui.time_label(_time)
collect()
import machine
from machine import Onewire, RTC, Timer
from microWebSrv import MicroWebSrv
import json
from time import sleep
# Initialize onewire & DS18B20 temperature sensor
ow = Onewire(23)
ds = Onewire.ds18x20(ow, 0)
# Pull time from Internet
rtc = RTC()
rtc.ntp_sync(server='us.pool.ntp.org', tz='PST8PDT')
# Instatiate hardware timer
tm = Timer(0)
def cb_receive_text(webSocket, msg):
print("WS RECV TEXT : %s" % msg)
webSocket.SendText("Reply for %s" % msg)
def cb_receive_binary(webSocket, data):
print("WS RECV DATA : %s" % data)
def cb_closed(webSocket):
tm.deinit() # Dispose of timer
print("WS CLOSED")
start = time.time()
while not wlan.isconnected():
current = time.time()
if (current > start + 5):
# Sometimes the wifi connection is stuck, try to connect again with recursive call
connect_wifi()
machine.idle()
connect_wifi()
print("CONNECTED")
pycom.rgbled(0xFF9900)
# Time is spaghetti
rtc = RTC()
rtc.ntp_sync("pool.ntp.org") #Sync the time hopefully
# Setup sensors
p_out = Pin('P19', mode=Pin.OUT)
p_out.value(1)
adc = machine.ADC() # create an ADC object
apin = adc.channel(pin='P16') # create an analog pin on P16
py = Pysense()
lt = LTR329ALS01(pysense=py,
integration=LTR329ALS01.ALS_INT_50,
rate=LTR329ALS01.ALS_RATE_500,
gain=LTR329ALS01.ALS_GAIN_48X)
time.sleep(2)
real_time_in_milli = time.time() * 1000
f.close()
print('LED on')
pycom.rgbled(0x7f0000) # red
time.sleep(2)
wlan = WLAN(mode=WLAN.STA)
#wlan.ifconfig(config=(wifi_strings[3], wifi_strings[4], wifi_strings[5], wifi_strings[6])) #Enable for static IP use
wlan.connect(wifi_strings[0], auth=(WLAN.WPA2, wifi_strings[2]), timeout=5000)
print(
'Wi-Fi Connecting To :',
wifi_strings[0],
)
while not wlan.isconnected():
machine.idle() #loop until connected
print('Connected')
pycom.rgbled(0x00007f) # blue
time.sleep(2)
print('Requesting Time Sync')
rtc = RTC()
rtc.ntp_sync('129.250.35.251', 3600)
pycom.rgbled(0xffff00) # yellow
time.sleep(2)
print("Current Time - " + str(rtc.now()))
print("IP Details - " + str(wlan.ifconfig()))
pycom.rgbled(0x007f00) # green
time.sleep(2)
import time
import socket
import time
from machine import RTC
TZ = 0
print("sync rtc via ntp, TZ=", TZ)
rtc = RTC()
print("synced?", rtc.synced())
rtc.ntp_sync('nl.pool.ntp.org')
print("synced?", rtc.synced())
#time.sleep_ms(750)
time.timezone(TZ * 3600)
i = 0
while True:
if rtc.synced():
print("rtc is synced after", i / 1000, "s")
# if rtc.now()[0] == 1970:
# print()
break
if i % 100 == 0:
print(".", end="")
time.sleep_ms(1)
print("rtc.now", rtc.now())
print("time.gmtime", time.gmtime())
print("time.localtime", time.localtime())
print("gmt ", end=" ")
print("local", end=" ")
import micropyGPS
lcd.clear()
# Init GPS
lcd.print('UART:Initializing\n', 0, 0)
gps_s = UART(2, tx=17, rx=16, baudrate=9600, timeout=200, buffer_size=256, lineend='\r\n')
# micropyGPS.MicropyGPS.supported_sentences.update({'GNGSA': micropyGPS.MicropyGPS.gpgsa})
gps = micropyGPS.MicropyGPS(9, 'dd')
lcd.print('UART:Initialized\n')
# Init RTC
lcd.print('RTC:Initializing\n')
rtc = RTC()
rtc.ntp_sync(server='hr.pool.ntp.org', tz='CET-1CEST')
lcd.print('RTC:Initialize status %s\n' % rtc.synced())
# Mount SD
result = uos.mountsd()
lcd.print('SDCard:Mount result %s\n' % result)
lcd.print('SDCard:listdir %s\n' % uos.listdir('/sd'))
def watchGPS():
lcd.print('GPS:Start loop\n')
n = 0
tm_last = 0
satellites = dict()
satellites_used = dict()
