fixed proximity repeat zeros and ones

Author: mrmcwethy

adafruit_apds9960/apds9960.py

@@ -190,7 +190,6 @@ def gesture(self): #pylint: disable-msg=too-many-branches
         buffer = bytearray(129)
         buffer[0] = APDS9960_GFIFO_U
         if not self._gesture_valid:
-            # print("no valid data")
             return 0
 
         time_mark = 0
@@ -324,7 +323,8 @@ def proximity_interrupt_threshold(self):
         """Returns a tuple containing low and high threshold
         followed by the proximity interrupt persistance.
         Set the proximity interrupt threshold values using a tuple of zero to
-        three values: low threshold, high threshold, persistance """
+        three values: low threshold, high threshold, persistance.
+        persistance defaults to 4 if not provided"""
         return self.read8(APDS9960_PILT), \
                self.read8(APDS9960_PIHT), \
                self._proximity_persistance
@@ -335,8 +335,10 @@ def proximity_interrupt_threshold(self, setting_tuple):
             self.write8(APDS9960_PILT, setting_tuple[0])
         if len(setting_tuple) > 1:
             self.write8(APDS9960_PIHT, setting_tuple[1])
+        persist = 4 # default 4
         if len(setting_tuple) > 2:
-            self._proximity_persistance = setting_tuple[2]
+            persist = min(setting_tuple[2], 7)
+        self._proximity_persistance = persist
 
 
     @property
@@ -381,7 +383,6 @@ def write8(self, command, abyte):
         buf = bytearray(2)
         buf[0] = command
         buf[1] = abyte
-        print(buf)
         with self.i2c_device as i2c:
             i2c.write(buf)
 

adafruit_apds9960/colorutility.py

@@ -44,7 +44,7 @@ def calculate_color_temperature(r, g, b):
     xchrome = x / (x + y + z)
     ychrome = y / (x + y + z)
 
-    #  3. Use McCamy's formula to determine the CCT
+    #  3. Use   to determine the CCT
     n = (xchrome - 0.3320) / (0.1858 - ychrome)
 
     #  4. Calculate the final CCT

examples/proximity.py

@@ -14,9 +14,7 @@
 while True:
     # print the proximity reading when the interrupt pin goes low
     if not int_pin.value:
-        prox_value = apds.proximity()
-        if prox_value:
-            print(prox_value)
+        print(apds.proximity())
 
         # clear the interrupt
         apds.clear_interrupt()