From 4dc4461004339b865a5a20850fba975a0e152040 Mon Sep 17 00:00:00 2001
From: Sarah Knepper <sarah.knepper@intel.com>
Date: Thu, 15 Jan 2015 14:57:51 -0800
Subject: [PATCH] hmc5883l: Add comments to C++ example

Signed-off-by: Sarah Knepper <sarah.knepper@intel.com>
---
 examples/hmc5883l.cxx | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/hmc5883l.cxx b/examples/hmc5883l.cxx
index a06f06f9..8598eba5 100644
--- a/examples/hmc5883l.cxx
+++ b/examples/hmc5883l.cxx
@@ -30,11 +30,13 @@ int
 main(int argc, char **argv)
 {
 //! [Interesting]
+    // Instantiate on I2C
     upm::Hmc5883l* compass = new upm::Hmc5883l(0);
     int16_t *pos;
 
     compass->set_declination(0.2749); // Set your declination from true north in radians
 
+    // Print out the coordinates, heading, and direction every second
     while(true){
         compass->update(); // Update the coordinates
         pos = compass->coordinates();