feature/unit/op.90 & op.180: Infrared photoelectric switch

Author: pandiannano

m5stack/libs/unit/op.py

@@ -0,0 +1,22 @@
+from machine import Pin
+
+SWITCH = 1
+COUNTER = 2
+
+class OPUnit:
+
+    def __init__(self, port, type=SWITCH):
+        self.count_value = 0
+        self.pin = Pin(port[0], Pin.IN, Pin.PULL_UP)
+        if type != SWITCH:
+            self.pin.irq(handler=self._cb_irq, trigger=Pin.IRQ_RISING)
+
+    @property
+    def get_value(self):
+        return self.pin.value()
+    
+    def _cb_irq(self, arg):
+        self.count_value += 1
+    
+    def count_reset(self):
+        self.count_value = 0