add test for rotary encoder

Author: pdp7

Adafruit_BBIO/Encoder.py

@@ -68,7 +68,7 @@ def __init__(self, eqep_num):
     print("RotaryEncoder(): self._eqep_dirs[0]: {0}".format(self._eqep_dirs[0]))
     print("RotaryEncoder(): self._eqep_dirs[1]: {0}".format(self._eqep_dirs[1]))
     print("RotaryEncoder(): self._eqep_dirs[2]: {0}".format(self._eqep_dirs[2]))
-    print("RotaryEncoder(): self._eqep_dirs[eqep_num]: {0}".format(self._eqep_dirs[eqep_num]))
+    print("RotaryEncoder(): self._eqep_dirs[eqep_num: {0}]: {1}".format(eqep_num, self._eqep_dirs[eqep_num]))
     assert 0 <= eqep_num <= 3 , "eqep_num must be between 0 and 3"
     self.base_dir = self._eqep_dirs[eqep_num]
     print("RotaryEncoder(): self.base_dir: {0}".format(self.base_dir))

test/test_rotary.py

@@ -0,0 +1,16 @@
+#!/usr/bin/python
+
+import Adafruit_BBIO.Encoder as Encoder
+
+qep = Encoder.RotaryEncoder(1)
+#qep = Encoder.QEP()
+print qep
+
+print("qep.enable(): {0}".format(qep.enable()))
+#qep.getMode()
+#qep.setAbsolute()
+#qep.setRelative()
+#qep.setFrequency(5000)
+print("qep.getPosition(): {0}".format(qep.getPosition()))
+#qep.setPosition(100)
+#qep.disable()