projektarbeit_duelger_waldhauser_caliskan/software/roboter/raspy/raspy_sensors.py

#from picamera import PiCamera
import adafruit_dht
import adafruit_tsl2561
import board
import json

class RaspySensors:
    """
    Class to handle all sensors

    Returns:
        _type_: _description_
    """

    def __init__(self):
        """
        Init all Sensors
        """
        #[ ]TODO Message if Error

        
        #Air Temperature & Humidity
        self.dht22 = adafruit_dht.DHT22(board.D4, use_pulseio=False)

        #Brightness
        self.tsl2561 = adafruit_tsl2561.TSL2561(board.I2C())

        #global Variables
        self.sensorData ={
            "AirTemperature": 0.0,
            "AirHumidity" : 0.0,
            "SoilMoisture" : 0.0,
            "Brightness" : 0,
            "PlantID": 0,
            "ActionID": 0
        }

    def readSensors(self):
        """
        Read all Sensors and return Dictionary with data

        Returns:
            sensordata (dict): all data of sensors
        """

        #read DHT22
        #if Error reading Data try again
        while True:
            try:
                self.sensorData["AirTemperature"] = self.dht22.temperature
                self.sensorData["AirHumidity"] = self.dht22.humidity
            except:
                continue
            
            break

        #read TSL2561
        if type(self.tsl2561.lux) == type(None):            #Max Value 40.000 -> above error
            self.sensorData["Brightness"] = 40000
        else:
            self.sensorData["Brightness"] = int(self.tsl2561.lux)

        #TODO SoilMoisture Sensor

        return self.sensorData
    
    #TODO - take picture function
    def takePicture(self):
        """
        Take picture and return picture
        Returns:
            _type_: _description_
        """
        return self.picture
    
    #TODO - read position with sensor
    def readPosition(self):
        """
        Read and return Position

        Returns:
            _type_: _description_
        """
        return self.position
    
    #TODO - read battery from EV3
    def readBattery(self):
        """
        Read and return battery of ev3

        Returns:
            _type_: _description_
        """
        return self.battery
    


#for Testing only
def main():
    sensors = RaspySensors()
    test = sensors.readSensors()
    print("Data:" + json.dumps(test))

if __name__ == "__main__": 
    main()