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Feasa LED Analyzers

Feasa LED Analyzers are used to measure the optical characteristics of LEDs. This module contains a class for controlling the Feasa LED Analyzers.

Feasa LED Analyzer

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Module Documentation

Feasa LED Analyzer Python Interface.

Feasa

Bases: object

Feasa LED Analyzer.

Source code in f3ts_hardware_utils/feasa.py 
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class Feasa(object):
    """Feasa LED Analyzer."""

    def __init__(self, port):
        """Initialize connection to the Feasa LED Analyzer."""
        self.ser = serial.Serial(baudrate=57600, port=port)

    def capture(self, intensity_range=""):
        """Capture the RGBI values for the given channel."""
        self.ser.write(f"capture{intensity_range}\r\n".encode("utf-8"))
        response = self.ser.readline().decode("utf-8")
        assert "OK" in response

    def capture_pwm(self, intensity_range="", averaging_factor=""):
        """Capture the RGBI values for the given channel."""
        self.ser.write(f"capture{intensity_range}pwm{averaging_factor}\r\n")
        response = self.ser.readline().decode("utf-8")
        assert "OK" in response

    def get_rgbi(self, channel):
        """Return the RGBI values for the given channel."""
        self.ser.write(f"getrgbi{channel:02}\r\n".encode("utf-8"))
        response = self.ser.readline().decode("utf-8").split(" ")
        return {
            "r": int(response[0]),
            "g": int(response[1]),
            "b": int(response[2]),
            "i": int(response[3]),
        }

    def close(self):
        """Close connection to the Feasa LED Analyzer."""
        self.ser.close()

__init__(port)

Initialize connection to the Feasa LED Analyzer.

Source code in f3ts_hardware_utils/feasa.py 
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def __init__(self, port):
    """Initialize connection to the Feasa LED Analyzer."""
    self.ser = serial.Serial(baudrate=57600, port=port)

capture(intensity_range='')

Capture the RGBI values for the given channel.

Source code in f3ts_hardware_utils/feasa.py 
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def capture(self, intensity_range=""):
    """Capture the RGBI values for the given channel."""
    self.ser.write(f"capture{intensity_range}\r\n".encode("utf-8"))
    response = self.ser.readline().decode("utf-8")
    assert "OK" in response

capture_pwm(intensity_range='', averaging_factor='')

Capture the RGBI values for the given channel.

Source code in f3ts_hardware_utils/feasa.py 
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def capture_pwm(self, intensity_range="", averaging_factor=""):
    """Capture the RGBI values for the given channel."""
    self.ser.write(f"capture{intensity_range}pwm{averaging_factor}\r\n")
    response = self.ser.readline().decode("utf-8")
    assert "OK" in response

close()

Close connection to the Feasa LED Analyzer.

Source code in f3ts_hardware_utils/feasa.py 
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def close(self):
    """Close connection to the Feasa LED Analyzer."""
    self.ser.close()

get_rgbi(channel)

Return the RGBI values for the given channel.

Source code in f3ts_hardware_utils/feasa.py 
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def get_rgbi(self, channel):
    """Return the RGBI values for the given channel."""
    self.ser.write(f"getrgbi{channel:02}\r\n".encode("utf-8"))
    response = self.ser.readline().decode("utf-8").split(" ")
    return {
        "r": int(response[0]),
        "g": int(response[1]),
        "b": int(response[2]),
        "i": int(response[3]),
    }