hmc5883l: added py example

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

examples/python/hmc5883l.py

@@ -0,0 +1,44 @@
+# Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
+# Copyright (c) 2015 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_hmc5883l as hmc5883l
+
+# Create an I2C compass object and set declination
+hmc = hmc5883l.Hmc5883l(0)
+hmc.set_declination(0.2749)
+
+# Loop indefinitely
+while True:
+
+    hmc.update() # Update the data
+    pos = hmc.coordinates() # Read raw coordinates
+    hdg = hmc.heading() # Read heading
+    dir = hmc.direction() # Read direction
+
+    # Print values
+    print "Coor: %5d %5d %5d" % (pos[0], pos[1], pos[2])
+    print "Heading: %5.2f" % (hdg)
+    print "Direction: %3.2f\n" % (dir)
+
+    # Sleep for 1 s
+    sleep(1)