feature/change_sensor_handling #1
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@ -0,0 +1,3 @@
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# Show output on terminal #
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`minicom -b 115200 -o -D /dev/cu.usbmodem3301`
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@ -0,0 +1,34 @@
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from sensors import Sensors
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from machine import Pin, I2C
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from utime import sleep
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from lib.bh1750 import BH1750
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class AmbilightSensor(Sensors):
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most_recent_values = []
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def __init__(self, settings):
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super().__init__(settings)
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print(settings) # TODO remove
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self.sensor_pin_int = settings['pin_int']
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# self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
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self.sensor = BH1750(I2C(0, sda=Pin(settings['pin_int_sda']), scl=Pin(settings['pin_int_scl'])))
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def read(self):
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try:
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measurement = self.sensor.luminance(BH1750.ONCE_HIRES_1)
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print("ambilight ..")
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print(measurement)
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self.most_recent_values = [
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{
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'type': 'ambilight',
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'value': measurement,
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'unit': '-'
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},
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]
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except OSError:
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print('Ambilight Error reading temperature/humidity. Check wires')
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print()
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@ -0,0 +1 @@
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from .bh1750 import BH1750
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@ -0,0 +1,118 @@
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# https://github.com/flrrth/pico-bh1750
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import math
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from micropython import const
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from utime import sleep_ms
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class BH1750:
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"""Class for the BH1750 digital Ambient Light Sensor
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The datasheet can be found at https://components101.com/sites/default/files/component_datasheet/BH1750.pdf
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"""
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MEASUREMENT_MODE_CONTINUOUSLY = const(1)
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MEASUREMENT_MODE_ONE_TIME = const(2)
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RESOLUTION_HIGH = const(0)
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RESOLUTION_HIGH_2 = const(1)
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RESOLUTION_LOW = const(2)
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MEASUREMENT_TIME_DEFAULT = const(69)
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MEASUREMENT_TIME_MIN = const(31)
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MEASUREMENT_TIME_MAX = const(254)
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def __init__(self, address, i2c):
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self._address = address
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self._i2c = i2c
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self._measurement_mode = BH1750.MEASUREMENT_MODE_ONE_TIME
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self._resolution = BH1750.RESOLUTION_HIGH
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self._measurement_time = BH1750.MEASUREMENT_TIME_DEFAULT
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self._write_measurement_time()
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self._write_measurement_mode()
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def configure(self, measurement_mode: int, resolution: int, measurement_time: int):
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"""Configures the BH1750.
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Keyword arguments:
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measurement_mode -- measure either continuously or once
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resolution -- return measurements in either high, high2 or low resolution
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measurement_time -- the duration of a single measurement
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"""
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if measurement_time not in range(BH1750.MEASUREMENT_TIME_MIN, BH1750.MEASUREMENT_TIME_MAX + 1):
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raise ValueError("measurement_time must be between {0} and {1}"
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.format(BH1750.MEASUREMENT_TIME_MIN, BH1750.MEASUREMENT_TIME_MAX))
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self._measurement_mode = measurement_mode
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self._resolution = resolution
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self._measurement_time = measurement_time
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self._write_measurement_time()
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self._write_measurement_mode()
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def _write_measurement_time(self):
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buffer = bytearray(1)
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high_bit = 1 << 6 | self._measurement_time >> 5
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low_bit = 3 << 5 | (self._measurement_time << 3) >> 3
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buffer[0] = high_bit
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self._i2c.writeto(self._address, buffer)
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buffer[0] = low_bit
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self._i2c.writeto(self._address, buffer)
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def _write_measurement_mode(self):
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buffer = bytearray(1)
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buffer[0] = self._measurement_mode << 4 | self._resolution
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self._i2c.writeto(self._address, buffer)
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sleep_ms(24 if self._measurement_time == BH1750.RESOLUTION_LOW else 180)
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def reset(self):
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"""Clear the illuminance data register."""
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self._i2c.writeto(self._address, bytearray(b'\x07'))
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def power_on(self):
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"""Powers on the BH1750."""
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self._i2c.writeto(self._address, bytearray(b'\x01'))
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def power_off(self):
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"""Powers off the BH1750."""
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self._i2c.writeto(self._address, bytearray(b'\x00'))
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@property
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def measurement(self) -> float:
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"""Returns the latest measurement."""
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if self._measurement_mode == BH1750.MEASUREMENT_MODE_ONE_TIME:
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self._write_measurement_mode()
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buffer = bytearray(2)
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self._i2c.readfrom_into(self._address, buffer)
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lux = (buffer[0] << 8 | buffer[1]) / (1.2 * (BH1750.MEASUREMENT_TIME_DEFAULT / self._measurement_time))
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if self._resolution == BH1750.RESOLUTION_HIGH_2:
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return lux / 2
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else:
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return lux
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def measurements(self) -> float:
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"""This is a generator function that continues to provide the latest measurement. Because the measurement time
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is greatly affected by resolution and the configured measurement time, this function attemts to calculate the
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appropriate sleep time between measurements.
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Example usage:
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for measurement in bh1750.measurements(): # bh1750 is an instance of this class
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print(measurement)
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"""
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while True:
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yield self.measurement
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if self._measurement_mode == BH1750.MEASUREMENT_MODE_CONTINUOUSLY:
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base_measurement_time = 16 if self._measurement_time == BH1750.RESOLUTION_LOW else 120
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sleep_ms(math.ceil(base_measurement_time * self._measurement_time / BH1750.MEASUREMENT_TIME_DEFAULT))
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@ -0,0 +1,62 @@
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import network
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class DeviceInfo:
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# Device Infos
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name = "Dev Device 1"
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token = "PC]-0Bmp83h7F5#U!D6KJ(A&"
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server_url = 'api.growsystem.muelleronline.org'
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wlan_ssid = 'Oppa-95.lan'
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wlan_pw = '95%04-MM'
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sensors = [
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{
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'type': 'moisture',
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'pin_int': 26
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},
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{
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'type': 'ambilight',
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'pin_int': 8, # for compatibility only
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'pin_int_sda': 8,
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'pin_int_scl': 9
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},
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# {
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# 'type': 'dht22',
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# 'pin_int': 15
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# }
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]
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read_secs = 5
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# Device Infos End
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wlan = network.WLAN(network.STA_IF)
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def get_macaddress(self):
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return self._format_mac(self.wlan.config('mac').hex())
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def get_ipaddress(self):
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return self.wlan.ifconfig()[0]
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def get_all_device_infos(self):
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return {
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'name': self.name,
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'mac_address': self.get_macaddress(),
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'ip_address': self.get_ipaddress(),
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'token': self.token}
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def _format_mac(self, mac):
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# Split the MAC address into pairs of two characters each
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pairs = [mac[i:i+2] for i in range(0, len(mac), 2)]
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# Join the pairs with colons to create the formatted MAC address
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formatted_mac = ":".join(pairs)
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return formatted_mac
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@ -0,0 +1,36 @@
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from sensors import Sensors
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from dht import DHT22
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from machine import ADC, Pin
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class TemperatureHumiditySensor(Sensors):
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sensor = None
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most_recent_values = []
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def __init__(self, settings):
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super().__init__(settings)
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print("Initialize dht22 sensor. Sensor pin is: " + str(settings['pin_int']))
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print(settings)
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self.sensor_pin_int = settings['pin_int']
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self.sensor = DHT22(Pin(self.sensor_pin_int, Pin.IN, Pin.PULL_UP))
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def read(self):
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try:
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self.sensor.measure()
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self.most_recent_values = [
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{
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'type': 'temperature',
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'value': self.sensor.temperature(),
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'unit': 'C'
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},
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{
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'type': 'humidity',
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'value': self.sensor.humidity(),
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'unit': '%'
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}
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]
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except OSError:
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print('DHT22 Error reading temperature/humidity. Check wires')
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print()
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@ -0,0 +1,78 @@
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import time
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from moisture_sensor import MoistureSensor
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from dht22 import TemperatureHumiditySensor
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from ambilight_sensor import AmbilightSensor
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from sensor_data_manager import SensorDataManager
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from grow_system_api import GrowSystemApi
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from device_info import DeviceInfo
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class GrowSystem:
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grow_system_api = GrowSystemApi()
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# moisture_sensor = None
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# temperature_humidity_sensor = None
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sensors = []
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most_recent_values = []
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sensor_data_manager = None
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device_id = None
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device_info = DeviceInfo()
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def __init__(self, settings):
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for sensor in self.device_info.sensors:
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print("")
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print("Initialize sensor:")
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print(sensor)
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sensor_type = sensor['type']
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if sensor_type == 'moisture':
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print("Found sensor of type moisture")
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self.sensors.append(MoistureSensor(sensor))
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elif sensor_type == 'dht22':
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print("Found sensor of type DHT22")
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self.sensors.append(TemperatureHumiditySensor(sensor))
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elif sensor_type == 'ambilight':
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print("Found sensor of type GY302/BH1750")
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self.sensors.append(AmbilightSensor(sensor))
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else:
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print("No sensor type configured for: " + sensor['type'])
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#if not self.moisture_sensor:
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# self.moisture_sensor = MoistureSensor(settings['moisture_sensor'])
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#if not self.temperature_humidity_sensor:
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# self.temperature_humidity_sensor = TemperatureHumiditySensor(settings['temperature_humidity_sensor'])
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def start(self):
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print("Say the server hello...")
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result = self.grow_system_api.say_hello()
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message = result['message']
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if message != 'OK':
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print("Device not activated. Stopping")
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return
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self.device_id = result['data']['device_id']
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self.sensor_data_manager = SensorDataManager(self.device_id)
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print("Start reading sensors ...")
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while True:
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# Reset data
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self.most_recent_values = []
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for sensor in self.sensors:
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print("Read sensor of type " + sensor.type + " at pin " + str(sensor.sensor_pin_int))
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sensor.read()
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for measurement in sensor.most_recent_values:
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print(f"Got {measurement['value']} {measurement['unit']} ({measurement['type']})")
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self.most_recent_values = self.most_recent_values + sensor.most_recent_values
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self.sensor_data_manager.handleData(self.most_recent_values)
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time.sleep(self.device_info.read_secs)
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@ -0,0 +1,31 @@
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from http_client import HTTPClient
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from device_info import DeviceInfo
|
||||
import json
|
||||
|
||||
|
||||
class GrowSystemApi:
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||||
|
||||
http_client = HTTPClient()
|
||||
|
||||
device_info = DeviceInfo()
|
||||
|
||||
base_url = ''
|
||||
|
||||
def __init__(self):
|
||||
self.base_url = self.device_info.server_url
|
||||
|
||||
def say_hello(self):
|
||||
response = self.http_client.post(self.base_url + "/api/device", self._get_device_data())
|
||||
print(response.text)
|
||||
jsonResult = json.loads(response.text)
|
||||
print(jsonResult)
|
||||
return jsonResult;
|
||||
|
||||
def send_measurements(self, device_id, data):
|
||||
url = self.base_url + "/api/device/" + str(device_id) + "/sensor-log"
|
||||
response = self.http_client.post(url, data)
|
||||
return json.loads(response.text)
|
||||
|
||||
def _get_device_data(self):
|
||||
return self.device_info.get_all_device_infos()
|
||||
|
||||
|
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@ -0,0 +1,35 @@
|
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import urequests
|
||||
import json
|
||||
|
||||
class HTTPClient:
|
||||
def __init__(self):
|
||||
pass
|
||||
|
||||
def get(self, url):
|
||||
url = 'https://' + url
|
||||
try:
|
||||
# headers = {'Content-Type': 'application/json'}
|
||||
response = urequests.get(url)
|
||||
if response.status_code == 200:
|
||||
print("Data sent, got response")
|
||||
return response
|
||||
else:
|
||||
print("Failed to get data. Status code:", response.status_code)
|
||||
except Exception as e:
|
||||
print("Exception occurred:", e)
|
||||
|
||||
def post(self, url, data):
|
||||
url = 'https://' + url
|
||||
try:
|
||||
headers = {'Content-Type': 'application/json', 'Accept': 'application/json, text/plain, */*'}
|
||||
json_data = json.dumps(data)
|
||||
print("Send post request to: " + url)
|
||||
response = urequests.post(url, data=json_data, headers=headers)
|
||||
if response.status_code == 200:
|
||||
return response
|
||||
else:
|
||||
print("Failed to send data. Status code:", response.status_code)
|
||||
print(response.text)
|
||||
except Exception as e:
|
||||
print("Exception occurred:", e)
|
||||
|
||||
|
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@ -0,0 +1,62 @@
|
|||
"""
|
||||
Micropython BH1750 ambient light sensor driver.
|
||||
* https://github.com/PinkInk/upylib/tree/master/bh1750
|
||||
"""
|
||||
|
||||
from utime import sleep_ms
|
||||
|
||||
|
||||
class BH1750():
|
||||
"""Micropython BH1750 ambient light sensor driver."""
|
||||
|
||||
PWR_OFF = 0x00
|
||||
PWR_ON = 0x01
|
||||
RESET = 0x07
|
||||
|
||||
# modes
|
||||
CONT_LOWRES = 0x13
|
||||
CONT_HIRES_1 = 0x10
|
||||
CONT_HIRES_2 = 0x11
|
||||
ONCE_HIRES_1 = 0x20
|
||||
ONCE_HIRES_2 = 0x21
|
||||
ONCE_LOWRES = 0x23
|
||||
|
||||
# default addr=0x23 if addr pin floating or pulled to ground
|
||||
# addr=0x5c if addr pin pulled high
|
||||
def __init__(self, bus, addr=0x23):
|
||||
self.bus = bus
|
||||
self.addr = addr
|
||||
self.off()
|
||||
self.reset()
|
||||
|
||||
def off(self):
|
||||
"""Turn sensor off."""
|
||||
self.set_mode(self.PWR_OFF)
|
||||
|
||||
def on(self):
|
||||
"""Turn sensor on."""
|
||||
self.set_mode(self.PWR_ON)
|
||||
|
||||
def reset(self):
|
||||
"""Reset sensor, turn on first if required."""
|
||||
self.on()
|
||||
self.set_mode(self.RESET)
|
||||
|
||||
def set_mode(self, mode):
|
||||
"""Set sensor mode."""
|
||||
self.mode = mode
|
||||
self.bus.writeto(self.addr, bytes([self.mode]))
|
||||
|
||||
def luminance(self, mode):
|
||||
"""Sample luminance (in lux), using specified sensor mode."""
|
||||
# continuous modes
|
||||
if mode & 0x10 and mode != self.mode:
|
||||
self.set_mode(mode)
|
||||
# one shot modes
|
||||
if mode & 0x20:
|
||||
self.set_mode(mode)
|
||||
# earlier measurements return previous reading
|
||||
sleep_ms(24 if mode in (0x13, 0x23) else 180)
|
||||
data = self.bus.readfrom(self.addr, 2)
|
||||
factor = 2.0 if mode in (0x11, 0x21) else 1.0
|
||||
return (data[0]<<8 | data[1]) / (1.2 * factor)
|
||||
57
main.py
57
main.py
|
|
@ -1,16 +1,57 @@
|
|||
# This is a sample Python script.
|
||||
# GrowSystem
|
||||
# Author: Maik Müller (maik@muelleronlineorg)
|
||||
|
||||
# Press ⌃R to execute it or replace it with your code.
|
||||
# Press Double ⇧ to search everywhere for classes, files, tool windows, actions, and settings.
|
||||
# WIP!
|
||||
# This file should do only:
|
||||
# - provide constants for settings
|
||||
# - eventually necessary system settings
|
||||
# - init wlan connection
|
||||
# - Call base class, permitting the configured constants
|
||||
import network
|
||||
import urequests
|
||||
from grow_system import GrowSystem
|
||||
from wlan import WlanClient
|
||||
from http_client import HTTPClient
|
||||
from device_info import DeviceInfo
|
||||
|
||||
|
||||
def print_hi(name):
|
||||
# Use a breakpoint in the code line below to debug your script.
|
||||
print(f'Hi, {name}') # Press ⌘F8 to toggle the breakpoint.
|
||||
settings = {
|
||||
'wlan_ssid': 'Oppa-95.lan',
|
||||
'wlan_pw': '95%04-MM',
|
||||
'moisture_sensor': {
|
||||
'pin_int': 26
|
||||
},
|
||||
'temperature_humidity_sensor': {
|
||||
'pin_int': 15
|
||||
},
|
||||
'pump_pin_int': 24
|
||||
}
|
||||
|
||||
|
||||
def wlan_scan():
|
||||
# Client-Betrieb
|
||||
wlan = network.WLAN(network.STA_IF)
|
||||
# WLAN-Interface aktivieren
|
||||
wlan.active(True)
|
||||
# WLANs ausgeben
|
||||
found_wlans = wlan.scan()
|
||||
return found_wlans
|
||||
|
||||
|
||||
# Press the green button in the gutter to run the script.
|
||||
if __name__ == '__main__':
|
||||
print_hi('PyCharm')
|
||||
#print(wlan_scan())
|
||||
print("Connect WLAN")
|
||||
wlanClient = WlanClient(settings['wlan_ssid'], settings['wlan_pw'])
|
||||
wlanClient.connect()
|
||||
print("")
|
||||
|
||||
di = DeviceInfo()
|
||||
print("Device Infos:")
|
||||
print(di.get_all_device_infos())
|
||||
print("")
|
||||
|
||||
print("Start grow system")
|
||||
gs = GrowSystem(settings)
|
||||
gs.start()
|
||||
|
||||
# See PyCharm help at https://www.jetbrains.com/help/pycharm/
|
||||
|
|
|
|||
|
|
@ -0,0 +1,39 @@
|
|||
# Moisture Sensor Class
|
||||
from sensors import Sensors
|
||||
from machine import ADC, Pin
|
||||
|
||||
|
||||
class MoistureSensor(Sensors):
|
||||
|
||||
sensor = None
|
||||
|
||||
most_recent_values = []
|
||||
|
||||
min_raw_value = None
|
||||
max_raw_value = None
|
||||
|
||||
def __init__(self, sensor_data, min_raw_value=300, max_raw_value=65535):
|
||||
super().__init__(sensor_data)
|
||||
print("Initialize moisture sensor. Sensor pin is: " + str(sensor_data['pin_int']))
|
||||
self.sensor_pin_int = sensor_data['pin_int']
|
||||
self.min_raw_value = min_raw_value
|
||||
self.max_raw_value = max_raw_value
|
||||
self.sensor = ADC(Pin(self.sensor_pin_int))
|
||||
|
||||
def read(self):
|
||||
self.most_recent_values = [
|
||||
{
|
||||
'type': 'moisture',
|
||||
'value': self.convert_to_moisture_percentage(self.sensor.read_u16()),
|
||||
'unit': '%'
|
||||
},
|
||||
]
|
||||
|
||||
def normalize_sensor_value(self, raw_value):
|
||||
return (raw_value - self.min_raw_value) / (self.max_raw_value - self.min_raw_value)
|
||||
|
||||
def convert_to_moisture_percentage(self, raw_value):
|
||||
normalized_value = self.normalize_sensor_value(raw_value)
|
||||
return round(100 - normalized_value * 100, 1)
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
from machine import Pin, ADC
|
||||
import time
|
||||
import network
|
||||
import urequests
|
||||
import statistics
|
||||
import secrets
|
||||
sensor = ADC(Pin(26))
|
||||
wlan = network.WLAN(network.STA_IF)
|
||||
wlan.active(True)
|
||||
wlan.connect(secrets.SSID, secrets.PASSWORD)
|
||||
time.sleep(5)
|
||||
print(wlan.isconnected())
|
||||
readings = []
|
||||
try:
|
||||
while True:
|
||||
for i in range(5):
|
||||
reading = sensor.read_u16()
|
||||
readings.append(reading)
|
||||
print(readings)
|
||||
time.sleep(1)
|
||||
median_value = statistics.median(readings)
|
||||
if median_value < 400:
|
||||
urequests.get("https://api.telegram.org/bot"+secrets.API+"/sendMessage?text=Gary is thirsty&chat_id="+secrets.ID)
|
||||
print("Message Sent")
|
||||
else:
|
||||
print("Gary has enough water")
|
||||
time.sleep(3600)
|
||||
except OSError:
|
||||
print("@"*68)
|
||||
print("@ Cannot connect to the Wi-Fi, please check your SSID and PASSWORD @")
|
||||
print("@"*68)
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
from grow_system_api import GrowSystemApi
|
||||
# from device_info import DeviceInfo
|
||||
|
||||
|
||||
class SensorDataManager:
|
||||
|
||||
device_info = None
|
||||
|
||||
grow_system_api = None
|
||||
|
||||
device_id = None
|
||||
|
||||
def __init__(self, device_id):
|
||||
self.grow_system_api = GrowSystemApi()
|
||||
# self.device_info = DeviceInfo()
|
||||
self.device_id = device_id
|
||||
|
||||
def handleData(self, data):
|
||||
jsonResponse = self.grow_system_api.send_measurements(self.device_id, data)
|
||||
print("Response message: " + jsonResponse['message'])
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
class Sensors:
|
||||
# this is a parent class for the Sensor classes
|
||||
sensor_pin_int = -1
|
||||
|
||||
sensor = None
|
||||
|
||||
type = "unset"
|
||||
|
||||
def __init__(self, settings):
|
||||
self.type = settings['type']
|
||||
print("Initialize " + self.type + " sensor. Sensor pin is: " + str(settings['pin_int']))
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,39 @@
|
|||
import machine
|
||||
import network
|
||||
import time
|
||||
# network.country('DE')
|
||||
|
||||
|
||||
class WlanClient:
|
||||
|
||||
ssid = ''
|
||||
pw = ''
|
||||
wlan = None
|
||||
# Status-LED
|
||||
led_onboard = machine.Pin('LED', machine.Pin.OUT)
|
||||
led_onboard.value(False)
|
||||
|
||||
def __init__(self, ssid, pw):
|
||||
# print("Hello from wlan class")
|
||||
self.ssid = ssid
|
||||
self.pw = pw
|
||||
self.wlan = network.WLAN(network.STA_IF)
|
||||
|
||||
def connect(self):
|
||||
if not self.is_connected():
|
||||
print('No WLAN connected. Connecting ...' + self.ssid + ' ' + self.pw)
|
||||
self.wlan.active(True)
|
||||
self.wlan.connect(self.ssid, self.pw)
|
||||
for i in range(10):
|
||||
if self.wlan.status() < 0 or self.wlan.status() >= 3:
|
||||
break
|
||||
time.sleep(1)
|
||||
# led_value = self.led_onboard.value() == 1
|
||||
# self.led_onboard.value(led_value)
|
||||
if self.wlan.isconnected():
|
||||
net_config = self.wlan.ifconfig()
|
||||
print("NetConfig:")
|
||||
print(net_config)
|
||||
|
||||
def is_connected(self):
|
||||
return self.wlan.isconnected()
|
||||
Loading…
Reference in New Issue