Added support for new analog IR sensors

compLib/IRSensor.py

@@ -2,6 +2,7 @@ import pigpio
 
 from compLib.ADC import ADC
 from compLib.LogstashLogging import Logging
+import spidev
 
 TOP_LEFT_CHANNEL = 0
 TOP_RIGHT_CHANNEL = 1
@@ -14,6 +15,9 @@ BOTTOM_MIDDLE_PIN = 15
 BOTTOM_RIGHT_PIN = 23
 
 adc = ADC()
+spi = spidev.SpiDev()
+spi.open(0, 0)
+spi.max_speed_hz = 1000000
 
 # GPIO.setmode(GPIO.BCM)
 
@@ -89,3 +93,39 @@ class IRSensor(object):
         """
         return states[str(BOTTOM_RIGHT_PIN)]
         # return GPIO.read(BOTTOM_RIGHT_PIN)
+
+    @staticmethod
+    def bottom_left_analog() -> int:
+        """Get bottom left infrared sensor value: ranges from 0 to 1023
+
+        :return: 10-bit brightness value
+        :rtype: int
+        """
+        channel = 2
+        spi.writebytes([channel << 3, 0])
+        bytes = spi.readbytes(2)
+        return (bytes[0] * 256 + bytes[1]) >> 2
+
+    @staticmethod
+    def bottom_middle_analog() -> int:
+        """Get bottom middle infrared sensor value: ranges from 0 to 1023
+
+        :return: 10-bit brightness value
+        :rtype: int
+        """
+        channel = 1
+        spi.writebytes([channel << 3, 0])
+        bytes = spi.readbytes(2)
+        return (bytes[0] * 256 + bytes[1]) >> 2
+
+    @staticmethod
+    def bottom_right_analog() -> int:
+        """Get bottom right infrared sensor value: ranges from 0 to 1023
+
+        :return: 10-bit brightness value
+        :rtype: int
+        """
+        channel = 0
+        spi.writebytes([channel << 3, 0])
+        bytes = spi.readbytes(2)
+        return (bytes[0] * 256 + bytes[1]) >> 2