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apds9930: enable sensor before read out sensor data

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Changes in library:
- enableProximity() function is to enable or disable proximity sensor
- enableIlluminance() function is to enable or disable illuminance sensor
- run clang-format

Changes in example:
- proximity and illuminance kernel IIO-based driver init state is power off,
  require enable before read out sensor data. Sleep time is needed after
  enable, the sleep time may vary on different platform.
- run clang-format

Signed-off-by: Lay, Kuan Loon <kuan.loon.lay@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Lay, Kuan Loon
2016-06-20 15:42:19 +08:00
committed by Mihai Tudor Panu
parent 40fe6654eb
commit e64f192fb7
3 changed files with 47 additions and 4 deletions
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13
examples/c++/apds9930.cxx
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@ -1,6 +1,6 @@
/*
* Author: Lay, Kuan Loon <kuan.loon.lay@intel.com>
* Copyright (c) 2015 Intel Corporation.
* Copyright (c) 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
@ -46,6 +46,15 @@ main()
// Instantiate a Digital Proximity and Ambient Light sensor on iio device 4
upm::APDS9930* light_proximity = new upm::APDS9930(4);
// Kernel driver implement sleep 5000-5100us after enable illuminance sensor
light_proximity->enableIlluminance(true);
// Kernel driver implement sleep 5000-5100us after enable proximity sensor
light_proximity->enableProximity(true);
// Tested this value works. Please change it on your platform
usleep(120000);
while (shouldRun) {
float lux = light_proximity->getAmbient();
cout << "Luminance value is " << lux << endl;
@ -53,6 +62,8 @@ main()
cout << "Proximity value is " << proximity << endl;
sleep(1);
}
light_proximity->enableProximity(false);
light_proximity->enableIlluminance(false);
//! [Interesting]
cout << "Exiting" << endl;