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hmc5883l: Add comments to C++ example

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Signed-off-by: Sarah Knepper <sarah.knepper@intel.com>
This commit is contained in:
Sarah Knepper 2015-01-15 14:57:51 -08:00
parent fb8dd8ad85
commit 4dc4461004
1 changed files with 2 additions and 0 deletions
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examples/hmc5883l.cxx
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@ -30,11 +30,13 @@ int
main(int argc, char **argv) main(int argc, char **argv)
{ {
//! [Interesting] //! [Interesting]
// Instantiate on I2C
upm::Hmc5883l* compass = new upm::Hmc5883l(0); upm::Hmc5883l* compass = new upm::Hmc5883l(0);
int16_t *pos; int16_t *pos;
compass->set_declination(0.2749); // Set your declination from true north in radians compass->set_declination(0.2749); // Set your declination from true north in radians
// Print out the coordinates, heading, and direction every second
while(true){ while(true){
compass->update(); // Update the coordinates compass->update(); // Update the coordinates
pos = compass->coordinates(); pos = compass->coordinates();