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118 lines
3.8 KiB
118 lines
3.8 KiB
import dht
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import ds18x20
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import machine
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import onewire
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import time
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import ujson
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from .base import Sensor, sensor
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@sensor
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class DS18B20(Sensor):
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sensor_class = 'esp-ds18b20'
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def __init__(self, **sensor_conf):
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super(DS18B20, self).__init__(**sensor_conf)
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self.o = onewire.OneWire(machine.Pin(self.pin))
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self.ds = ds18x20.DS18X20(self.o)
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self.sID = self.ds.scan()[0]
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def get_data(self):
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self.ds.convert_temp()
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time.sleep(0.1)
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return {"temp": self.ds.read_temp(self.sID)}
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@sensor
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class DHT(Sensor):
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sensor_class = 'esp-dht'
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def __init__(self, **sensor_conf):
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super(DHT, self).__init__(**sensor_conf)
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if sensor_conf["dht_type"] == "dht11":
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self.dht = dht.DHT11(machine.Pin(self.pin))
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elif sensor_conf["dht_type"] == "dht22":
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self.dht = dht.DHT22(machine.Pin(self.pin))
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else:
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raise ValueError("Unknown type")
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def get_data(self):
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self.dht.measure()
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time.sleep(0.1)
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return {"temp": self.dht.temperature(), "humidity": self.dht.humidity()}
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@sensor
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class PowerSwitch(Sensor):
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sensor_class = 'esp-rcswitch'
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HAS_SENSOR_DATA = False
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def __init__(self, mqtt_topic, socket_name, socket_count, socket_json, **sensor_conf):
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super(PowerSwitch, self).__init__(**sensor_conf)
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self.mqtt_topic = mqtt_topic
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self.socket_name = socket_name
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self.socket_count = socket_count
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self.socket_state = ["off"] * socket_count
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self.socket_code_state = []
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self._codes_per_call = 2
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for _ in range(socket_count):
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self.socket_code_state.append({'on': 0, 'off': 0})
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self._pin = machine.Pin(self.pin, machine.Pin.OUT)
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self._load_json(socket_json)
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def _load_json(self, path):
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with open(path) as f:
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data = ujson.load(f)
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for entry in data:
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if entry["name"] == self.socket_name:
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self._socket_data = entry
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break
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else:
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raise ValueError("Could not find socket codes for {} in {}".format(self.socket_name, path))
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def send_by_compressed_timings(self, buckets, timings, repeats):
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delays = [buckets[ord(t) - ord('0')] for t in timings]
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for repeat in range(repeats):
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self._pin.value(0)
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state = 0
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t1 = time.ticks_us()
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for delay in delays:
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state ^= 1
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self._pin.value(state)
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time.sleep_us(delay - (time.ticks_us() - t1) - 55)
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t1 = time.ticks_us()
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def switch_light(self, data):
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try:
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sock = int(data["socket"])
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if data["state"] in ("on", "off"):
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state = data["state"]
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elif data["state"] == "toggle":
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state = "on" if self.socket_state[sock] == "off" else "off"
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else:
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raise ValueError("Unknown state {}".format(data["state"]))
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if sock < 0 or sock >= self.socket_count:
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raise ValueError("Socket {} is out of range".format(sock))
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except (KeyError, ValueError) as e:
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print("Could not load data:", e)
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return
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print("Switch light called with ", data)
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codes = self._socket_data["codes"]
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for _ in range(self._codes_per_call):
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timings = codes[sock][state][self.socket_code_state[sock][state]]
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self.send_by_compressed_timings(self._socket_data["buckets"], timings, 10)
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self.socket_state[sock] = state
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self.socket_code_state[sock][state] = (self.socket_code_state[sock][state] + 1) % len(codes[sock][state])
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print("Switch socket {} to state {}".format(sock, state))
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def register_callbacks(self):
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self.register_callback(self.mqtt_topic, self.switch_light)
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def get_topics(self):
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return [self.mqtt_topic]
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