ReadMe.md

@@ -38,29 +38,3 @@ Set the following parameter:
 
 
  ```docker run -t -i --device=/dev/ttyUSB0 -e SERIAL_DEVICE="/dev/ttyUSB0" -e MQTT_SERVER="192.168.x.y" -e MQTT_TOPIC="testtopic/" sha256:```
-
-Additional logging can be activated with the variable **PY_LOGGING** possible values are:
-* DEBUG
-* INFO
-* WARNING
-* ERROR
-* CRITICAL
-
-#### Execution via Docker Compose
-```
-# template docker-compose.yml
-services:
-    python_app:
-        attach: false
-        build:
-            context: .
-            dockerfile: Dockerfile
-        environment:
-        - SERIAL_DEVICE=/dev/ttyUSB0
-        - MQTT_SERVER=192.168.x.y
-        - MQTT_TOPIC=testtopic/
-        devices:
-        - "/dev/ttyUSB0:/dev/ttyUSB0"
-```
-build image: **docker-compose up --build**
-start with **docker-compose up --detach**

mqttclient/.gitignore

@@ -1 +0,0 @@
-docker-compose.yml

mqttclient/fanATserial2mqtt.py

@@ -4,7 +4,6 @@ import sys
 from paho.mqtt import client as mqtt_client
 import os
 import serial
-import logging
 
 MAXIMUM_COMMUNICATION_FAILURE=1000
 
@@ -12,73 +11,35 @@ TEMPERATUR_MIN_DIFFERENCE   = 2
 TARGET_MIN_DIFFERENCE       = 1
 RPM_MIN_DIFFERENCE          = 50
 
-COMMAND_PREFIX = "ollpe"
-
 # MQTT Settings
 mqtt_server=os.environ['MQTT_SERVER']
 mqtt_topic=os.environ['MQTT_TOPIC']
 # SERIAL Port
 serial_device=os.environ['SERIAL_DEVICE']
 
-# Logging
-try:
-    if (os.environ['PY_LOGGING']):
-        customLevel = os.environ['PY_LOGGING'].upper()
-except (KeyError):
-    customLevel = 'WARNING'
-
-logging.basicConfig(
-    level=customLevel,
-    filename="/var/log/app.log",
-    filemode="w",
-    format="%(asctime)s - %(levelname)s - %(message)s"
-)
-
-logging.debug("Start Serial connect")
 # Start Serial communication
 ser = serial.Serial(serial_device, 115200, timeout=1)  # open serial port
 
-if (ser is None):
-    logging.error("Cannot open device" + str(serial_device))
-    sys.exit()
-
 # The callback for when a PUBLISH message is received from the server.
 def on_message(client, userdata, msg):
     payload = msg.payload.decode("utf-8")
     if ((mqtt_topic + "cmd/rpm") == msg.topic):
         if (ser.is_open):
-            command = COMMAND_PREFIX+"f{:02x}".format(int(payload))
+            command = "ollpef{:02x}".format(int(payload))
             ser.write(command.encode('utf-8'))
         else:
             client.publish(mqtt_topic + "cmd/exception", "Serial Connection closed") # clear exception
     elif ((mqtt_topic + "cmd/led") == msg.topic):
-        # OpenHAB r,g,b payload: 20,0,250
+        command = "ollpel" + payload
-        try:
-            if (',' in payload):
-                red, green, blue = str(payload).split(',')
-                logging.debug("Red=" + str(red) + " Green=" + str(green) + " Blue=" + str(blue))
-                redB= int((int(red)*255)/250)
-                logging.debug("Byte Red=" + str(redB))
-                greenB= int((int(green)*255)/250)
-                logging.debug("Byte Green =" + str(greenB))
-                blueB= int((int(blue)*255)/250)
-                logging.debug("Byte Blue =" + str(blueB))
-                command = COMMAND_PREFIX+"l{:02x}{:02x}{:02x}".format(redB, greenB, blueB)
-            else:
-                command = COMMAND_PREFIX+"l" + payload
         ser.write(command.encode('utf-8'))
-        except (ValueError):
-            logging.error("Wrong MQTT Command: '" + str(payload) + "'")
-
     else:
-        logging.warning(msg.topic+" "+str(msg.payload))
+        print(msg.topic+" "+str(msg.payload))
 
 # Handle MQTT Commands
 def on_connect(client, obj, flags, reason_code, properties):
     client.subscribe(mqtt_topic + "cmd/led")
     client.subscribe(mqtt_topic + "cmd/rpm")
-    client.publish(mqtt_topic + "online", payload="true", qos=1, retain=True)
+    print("Connected: " + str(reason_code))
-    logging.debug("Connected: " + str(reason_code))
 
 # Start mqtt
 client_id = f'python-fan-ctrl'
@@ -87,13 +48,12 @@ client.on_message = on_message
 client.on_connect = on_connect
 
 if (not (mqtt_server)):
-    logging.error("MQTT_SERVER is not set")
+    print("MQTT_SERVER is not set")
 
 if (not (mqtt_topic)):
-    logging.error("MQTT_TOPIC is not set")
+    print("MQTT_TOPIC is not set")
 
 # Start MQTT Client
-client.will_set(mqtt_topic + "online", payload="false", qos=1, retain=True)
 client.connect(mqtt_server, 1883)
 client.loop_start()
 
@@ -110,15 +70,14 @@ lastTarget      = -1
 
 # Endless Loop
 try:
-    while ((mqtt_topic is not None) and (mqtt_server is not None)):
+    while True:
         try:
             if (not (ser.is_open)):
                 ser.open()
                 continue
         except (serial.SerialException):
-            logging.error("Could not open serial connection")
             client.publish(mqtt_topic + "exception", "serial reopen") # check which port was really used
-            time.sleep(3.0)
+            time.sleep(1.0)
 
         try:
             line = ser.readline()   # read a '\n' terminated line
@@ -129,32 +88,26 @@ try:
             if (SerialCommunicationFailureCounter > MAXIMUM_COMMUNICATION_FAILURE):
                 raise serial.SerialException("device reports readiness / device disconnected " + str(MAXIMUM_COMMUNICATION_FAILURE) + " times")
 
-        if (line) :
+        if (line):
             client.publish(mqtt_topic + "exception", "") # clear exception
-            # activate debug code, by default
-            temperatur = None
-            percent = None
-            rpm = None
-
             # convert byte array to string
             l = line.decode("utf-8")
-            if (COMMAND_PREFIX in l):
-                logging.debug("Skip '" + str(l) + "', found " + str(COMMAND_PREFIX))
-                continue
-
             try:
                 # Parse the controller information
                 # e.g. : 22.00;0%;0RPM
                 temperatur, percent, rpm = l.split(";")
             except (ValueError):
-                logging.debug("Unparsable '" + str(l) + "'")
+                # activate debug code
+                temperatur = None
+                percent = None
+                rpm = None
 
             if ((temperatur) and (percent) and (rpm)):
                 parseError=False
                 try:
                     currentTemperatur = float(temperatur)
                 except (ValueError):
-                    logging.error("Temperatur Error: could not convert string to float:" + temperatur)
+                    print("Temperatur Error: could not convert string to float:" + temperatur)
                     currentTemperatur = lastTemperatur
                 if (abs(currentTemperatur - lastTemperatur) > TEMPERATUR_MIN_DIFFERENCE):
                     client.publish(mqtt_topic + "temperatur", str(currentTemperatur))
@@ -164,7 +117,7 @@ try:
                     try:
                         currentTarget = int(percent[:-4])
                     except (ValueError):
-                        logging.error("Percent Error: could not convert string to int:" + (percent[:-4]))
+                        print("Percent Error: could not convert string to int:" + (percent[:-4]))
                         currentTarget = lastTarget
 
                     if (abs(lastTarget - currentTarget) > TARGET_MIN_DIFFERENCE):
@@ -180,7 +133,7 @@ try:
                     try:
                         currentRPM = int(rpm[:-3])
                     except (ValueError):
-                        logging.error("RPM Error: could not convert string to int:" + (rpm[:-3]))
+                        print("RPM Error: could not convert string to int:" + (rpm[:-3]))
                         currentRPM = lastRPM
 
                     if (abs(currentRPM-lastRPM) > RPM_MIN_DIFFERENCE):
@@ -196,12 +149,12 @@ try:
             else:
                 client.publish(mqtt_topic + "debug", line) # line was invalid and could not be parsed
         else:
-            time.sleep(0.5)
+            time.sleep(0.2)
 
 except (KeyboardInterrupt, SystemExit):
-    logging.error("User aborted service ...")
+    print("User aborted service ...")
     client.publish(mqtt_topic + "debug", "User aborted service")
     time.sleep(0.5)
-    logging.debug("service Dead")
+    print("service Dead")
 
 client.loop_stop()