relais support

src/pv_controller/RelaisSubscribe.py

@@ -0,0 +1,29 @@
+from MqttBase import AbstractMqttPublisher
+from loguru import logger
+from time import sleep
+
+
+class RelaisSubscribe(AbstractMqttPublisher):
+    def __init__(self, config, modbusHandler):
+        super().__init__(config)
+        self.modbusHandler = modbusHandler
+
+    def localLoop(self):
+        while not self.killBill:
+            sleep(60.0)
+
+    def onMessage(self, topic, payload):
+        logger.info("mqtt message received: {} -> {}".format(topic, str(payload)))
+        if payload == b'On':
+            self.modbusHandler.writeCoil(1, 0, 1)
+        elif payload == b'Off':
+            self.modbusHandler.writeCoil(1, 0, 0)
+        else:
+            logger.warning(f"Illegal command {payload} received")
+
+
+
+    def onConnect(self):
+        logger.info("mqtt connected")
+        self.client.subscribe("{}".format(self.config["relaisSubscribeTopic"]))
+        logger.info("subscribed")