grove: rotary angle sensor

Signed-off-by: Mihai Tudor Panu <mihai.t.panu@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

examples/python/groverotary.py

@@ -0,0 +1,45 @@
+# Author: Mihai Tudor Panu <mihai.t.panu@intel.com>
+# Copyright (c) 2014 Intel Corporation.
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+from time import sleep
+import pyupm_grove as grove
+
+# New knob on AIO pin 0
+knob = grove.GroveRotary(0)
+
+# Loop indefinitely
+while True:
+
+    # Read values
+    abs = knob.abs_value()
+    absdeg = knob.abs_deg()
+    absrad = knob.abs_rad()
+
+    rel = knob.rel_value()
+    reldeg = knob.rel_deg()
+    relrad = knob.rel_rad()
+
+    print "Abs values: %4d" % int(abs) , " raw %4d" % int(absdeg), "deg = %5.2f" % absrad , " rad ",
+    print "Rel values: %4d" % int(rel) , " raw %4d" % int(reldeg), "deg = %5.2f" % relrad , " rad"
+
+    # Sleep for 2.5 s
+    sleep(2.5)