61 lines
2.4 KiB
Python
61 lines
2.4 KiB
Python
from threading import Event
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from loguru import logger
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from MqttBase import AbstractMqttPublisher
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import json
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import datetime
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def floatAdaptor(i):
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return float(f"{i:0.2f}") if i else 0.0
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def onOffAdaptor(i):
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return bool(i)
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class FromDevices(AbstractMqttPublisher):
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def __init__(self, config, modbusHandler):
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super().__init__(config)
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self.modbusHandler = modbusHandler
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def localLoop(self):
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cnt = 0
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while not self.killBill:
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cnt += 1
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for device in self.config.output:
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try:
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payload = {}
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payload['status'] = "Error"
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payload['timestamp'] = datetime.datetime.isoformat(datetime.datetime.utcnow())
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logger.debug(f"{device.name=} {device.publish_topic=}")
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if not device.enabled:
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logger.debug(f" device disabled, skipping")
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continue
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if cnt % device.scan_rate != 0:
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logger.debug(f" not scan_rate yet, skipping")
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continue
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for registers in device.registers:
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logger.debug(f" {registers.name=} {registers.address=} {registers.register_type=}")
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rawValue = self.modbusHandler.readRegister(registers.register_type, device.slave_id, registers.address, registers.data_type)
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logger.debug(f" {rawValue=}")
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if registers.adaptor == "floatAdaptor":
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value = floatAdaptor(rawValue)
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elif registers.adaptor == "onOffAdaptor":
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value = onOffAdaptor(rawValue)
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else:
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value = rawValue
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logger.debug(f" {value=}")
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payload[registers.attribute] = value
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payload['status'] = "Ok"
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except Exception as e:
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logger.error(f"Caught exception: {str(e)}")
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payload['cnt'] = cnt
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payloadStr = json.dumps(payload)
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self.client.publish(device.publish_topic, payloadStr)
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logger.debug(f"mqtt message sent: {device.publish_topic} -> {payloadStr}")
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self.killEvent.wait(timeout=float(self.config.global_.scan_interval))
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