def connect_sensor(self):
self.log("Attempt to connect sensor...")
if not self.tsense:
self.i2c = I2C(0, I2C.MASTER, baudrate=100000)
try:
self.tsense = MCP9808(self.i2c)
except Exception as e:
self.on_error("Could not connect to temperature sensor! " +
str(e))
self.tsense = None
return False
else:
self.log("Sensor OK")
# print("Temperature: {0:.2f}°C".format(self.tsense.get_temp()))
# Set wakeup pin to temp sense interrupt pin
self.alert_pin = Pin(self.ALERT_PIN,
mode=Pin.IN,
pull=Pin.PULL_UP)
machine.pin_sleep_wakeup((self.ALERT_PIN, ),
machine.WAKEUP_ALL_LOW,
enable_pull=True)
return True
else:
self.log("Sensor already OK")
return True
def deepsleep(self, ms, pins=None, mode=None, enable_pull=None):
self.__check_init()
import machine
if pins is not None:
if mode is None or type(mode) != int:
raise ValueError('You must specify a mode as integer!')
machine.pin_sleep_wakeup(pins, mode, enable_pull)
self.disconnect()
machine.deepsleep(ms)
def set_wake_on_flash_pin(self):
# Flash pin goes low on light detection
if self.flash_pin() == 1:
_logger.warning(
"Light sensor is still triggered. Skipping wakeup to avoid an infinite wake loop."
)
else:
pins = [self._flash_pin_name]
_logger.info("Setting wakeup on %s", pins)
machine.pin_sleep_wakeup(pins=pins, mode=machine.WAKEUP_ANY_HIGH)
def sleep(self):
from modules.sleep.DS3231.dep.rtc_ds3231 import RTC_DS3231
# set time to zero
self.rtc.time_year = 1970
self.rtc.time_month = 1
self.rtc.time_day = 1
self.rtc.time_workday = 1
self.rtc.time_hours = 0
self.rtc.time_minutes = 0
self.rtc.time_seconds = 0
# Set Alarm Date
self.rtc.alarm1_day = 1
self.rtc.alarm1_hours = self.config().get("hours")
self.rtc.alarm1_minutes = self.config().get("minutes")
self.rtc.alarm1_seconds = self.config().get("seconds")
# Set Alarm Mode (see datasheet for available modes)
self.rtc.alarm1_mode = RTC_DS3231.AlarmMode.MATCH_DATE
# Enable Alarm
self.rtc.alarm1_enabled = True
# Clear Alarm Flag (this has to be called every time after a alarm occured)
self.rtc.alarm1_clear()
# Enable Interrupt on Alarm
self.rtc.interrupt_enabled = True
# Define wakup pin
from machine import Pin
p = Pin('P' + str(self.config().get("pin_wake")), mode=Pin.IN)
# Define Sleep Wakeup
import machine
#machine.pin_deepsleep_wakeup([p], machine.WAKEUP_ALL_LOW, True) # on older firmware
machine.pin_sleep_wakeup([p], machine.WAKEUP_ALL_LOW,
True) # on newer firmware
# now we can sleep finally
machine.deepsleep()
from network import LoRa
import socket
chrono = Timer.Chrono()
# Initialize LoRa Socket:
lora = LoRa(mode=LoRa.LORA, region=LoRa.US915)
s = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
s.setblocking(False)
i = 0
import time
from machine import Pin
pir = Pin('P4', mode=Pin.IN, pull=Pin.PULL_UP)
machine.pin_sleep_wakeup([pir], machine.WAKEUP_ANY_HIGH, False)
chrono.start()
active = False
print('I woke up')
# Begin reading if SN 1 has sent a message
print('Reading..')
while chrono.read() < 20:
if s.recv(64) == b'Ping':
# Debugging statements
print('Sensor Node 1 Activated')
print('Sending confirmation to SN1')
active = True
break
time.sleep(1)
accelerometer()
print("enable accelerometer interrupt")
# enable_activity_interrupt( [mG], [ms], callback)
# accelerometer_sensor.enable_activity_interrupt(8000, 200, activity_int_handler) # low sensitivty
# accelerometer_sensor.enable_activity_interrupt(2000, 200, activity_int_handler) # medium sensitivity
accelerometer_sensor.enable_activity_interrupt(
100, 200, activity_int_handler) # high sensitivity
# accelerometer_sensor.enable_activity_interrupt(63, 160, activity_int_handler) # ultra sensitivty
if wait(0x0A000A): # purple
print("button was held")
blink(0x000a00) # green
print("enable pycom module to wake up from accelerometer interrupt")
wake_pins = [Pin('P13', mode=Pin.IN, pull=Pin.PULL_DOWN)]
machine.pin_sleep_wakeup(wake_pins, machine.WAKEUP_ANY_HIGH, True)
print("put pycoproc to sleep and pycom module to deepsleep for",
round(sleep_time_s / 60, 1), "minutes")
pycoproc.setup_sleep(sleep_time_s)
pycoproc.go_to_sleep(pycom_module_off=False,
accelerometer_off=False,
wake_interrupt=True)
machine.deepsleep(sleep_time_s * 1000)
else:
print("button was tapped")
blink(0x100600) # orange
print("put pycoproc to sleep and turn pycom module off for",
round(sleep_time_s / 60, 1), "minutes")
pycoproc.setup_sleep(sleep_time_s)
pycoproc.go_to_sleep()
# If first boot, get settings from remote
if WITH_SENSOR:
i2c = I2C(0, I2C.MASTER, baudrate=100000)
tsense = MCP9808(i2c)
tsense.set_alert_mode(enable_alert=True,
output_mode=ALERT_OUTPUT_INTERRUPT,
polarity=ALERT_POLARITY_ALOW,
selector=ALERT_SELECT_CRIT)
tsense.set_alert_boundary_temp(REG_TEMP_BOUNDARY_CRITICAL,
TMP_THRESHOLD / 100.0)
alert_pin = Pin(ALERT_PIN, mode=Pin.IN, pull=Pin.PULL_UP)
machine.pin_sleep_wakeup((ALERT_PIN, ),
machine.WAKEUP_ALL_LOW,
enable_pull=True)
go_to_sleep()
else:
# Recover from deepsleep
reason = machine.wake_reason()[0]
if reason == machine.PIN_WAKE:
print("Wake on PIN_INTERRUPT")
if WITH_SENSOR:
i2c = I2C(0, I2C.MASTER, baudrate=100000)
tsense = MCP9808(i2c)
tsense.acknowledge_alert_irq() # Is this needed in this case?
# 1 if interrupted by PIR, 2 if timeout
wake_reason = machine.wake_reason()[0]
# True if motion's been detected. False if not.
high = True if machine.wake_reason()[1] != [] else False
#Wifi-sniffer
wlan.callback(trigger=WLAN.EVENT_PKT_MGMT, handler=pack_cb)
wlan.promiscuous(True)
# If awoken by PIR interrupt.
if wake_reason == 1:
# If no motion is detected.
if not high:
print(0)
machine.pin_sleep_wakeup([pir], mode=machine.WAKEUP_ANY_HIGH)
machine.deepsleep(86400000)
# If wifi units are nearby
elif device_found:
print(1)
# If motion is detected and no wifi units are nearby.
else:
print(2)
# Go to sleep for 15 minutes. Interrupts if no motion's detected.
machine.pin_sleep_wakeup([pir], mode=machine.WAKEUP_ALL_LOW)
machine.deepsleep(900000)
# Go to sleep for 24 hours.
machine.pin_sleep_wakeup([pir], mode=machine.WAKEUP_ANY_HIGH)
machine.deepsleep(86400000)
print("LoPy4 - Has joined!!!!!")
# create a LoRa socket
s = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
# set the LoRaWAN socket options
DATA_RATE = 0
s.setsockopt(socket.SOL_LORA, socket.SO_DR, DATA_RATE)
s.setsockopt(socket.SOL_LORA, socket.SO_CONFIRMED, True)
print('========== Starting Serial UART configuration ===========')
# Configure second UART bus on pins P3(TX1) and P4(RX1)
uart = machine.UART(1,
baudrate=19200,
bits=8,
parity=None,
stop=1,
pins=('P3', 'P4'))
print('========== Starting PIN wakeup configuration ============')
#p_in = Pin('P10', mode=Pin.OUT, pull=None, alt=-1)
machine.pin_sleep_wakeup(['P4'], machine.WAKEUP_ALL_LOW, False)
#machine.enable_irq()
pycom.heartbeat(False)
time.sleep(5)
machine.main('main.py')
print('========== Starting main.py ==========')
