segments: Add properties for LED indicators of BigSeg7x4

Author: vdehors

adafruit_ht16k33/segments.py

@@ -273,9 +273,11 @@ class BigSeg7x4(Seg7x4):
        supports displaying a limited set of characters."""
     def __init__(self, i2c, address=0x70, auto_write=True):
         super().__init__(i2c, address, auto_write)
+        # Use colon for controling two-dots indicator at the center (index 0)
+        # or the two-dots indicators at the left (index 1)
         self.colon = Colon(self, 2)
 
-    def setindicator(self, index, value):
+    def _setindicator(self, index, value):
         """ Set side LEDs (dots)
             Index is as follow :
             * 0 : two dots at the center
@@ -292,22 +294,48 @@ def setindicator(self, index, value):
         if self._auto_write:
             self.show()
 
-    def getindicator(self, index):
+    def _getindicator(self, index):
         """ Get side LEDs (dots)
             See setindicator() for indexes
         """
         bitmask = 1 << (index + 1)
         return self._get_buffer(0x04) & bitmask
 
+    @property
+    def two_dots_center(self):
+        """The two dots at the center indicator."""
+        return bool(self._getindicator(0))
+
+    @two_dots_center.setter
+    def two_dots_center(self, value):
+        self._setindicator(0, value)
+
+    @property
+    def top_left_dot(self):
+        """The top-left dot indicator."""
+        return bool(self._getindicator(1))
+
+    @top_left_dot.setter
+    def top_left_dot(self, value):
+        self._setindicator(1, value)
+
+    @property
+    def bottom_left_dot(self):
+        """The bottom-left dot indicator."""
+        return bool(self._getindicator(2))
+
+    @bottom_left_dot.setter
+    def bottom_left_dot(self, value):
+        self._setindicator(2, value)
+
     @property
     def ampm(self):
         """The AM/PM indicator."""
-        return bool(self.getindicator(3))
+        return bool(self._getindicator(3))
 
     @ampm.setter
     def ampm(self, value):
-        self.setindicator(3, value)
-
+        self._setindicator(3, value)
 
 class Colon():
     """Helper class for controlling the colons. Not intended for direct use."""