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grove: added comments to Grove LED C++ example

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Signed-off-by: Sarah Knepper <sarah.knepper@intel.com>
This commit is contained in:
sknepper 2015-01-07 17:15:55 -08:00 committed by Sarah Knepper
parent 49d25b1791
commit 535230084e
1 changed files with 11 additions and 0 deletions
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11
examples/groveled.cxx
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@ -1,5 +1,6 @@
/* /*
* Author: Brendan Le Foll <brendan.le.foll@intel.com> * Author: Brendan Le Foll <brendan.le.foll@intel.com>
* Contributions: Sarah Knepper <sarah.knepper@intel.com>
* Copyright (c) 2014 Intel Corporation. * Copyright (c) 2014 Intel Corporation.
* *
* Permission is hereby granted, free of charge, to any person obtaining * Permission is hereby granted, free of charge, to any person obtaining
@ -30,14 +31,24 @@ int
main(int argc, char **argv) main(int argc, char **argv)
{ {
//! [Interesting] //! [Interesting]
// Create the Grove LED object using GPIO pin 2
upm::GroveLed* led = new upm::GroveLed(2); upm::GroveLed* led = new upm::GroveLed(2);
// Print the name
std::cout << led->name() << std::endl; std::cout << led->name() << std::endl;
// Turn the LED on and off 10 times, pausing one second
// between transitions
for (int i=0; i < 10; i++) { for (int i=0; i < 10; i++) {
led->on(); led->on();
sleep(1); sleep(1);
led->off(); led->off();
sleep(1); sleep(1);
} }
// Delete the Grove LED object
delete led;
//! [Interesting] //! [Interesting]
return 0; return 0;