zephyr

History

Anas Nashif 5060ca6a30 cmake: increase minimal required version to 3.13.1 Move to latest cmake version with many bug fixes and enhancements. Signed-off-by: Anas Nashif <anas.nashif@intel.com> Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>		2019-01-03 11:51:29 -05:00
..
src	dts_fixups: Use DT_ prefix in all defined labels not related to Kconfig	2018-11-13 10:44:42 -06:00
CMakeLists.txt	cmake: increase minimal required version to 3.13.1	2019-01-03 11:51:29 -05:00
prj.conf	drivers: sensor: Migrate to new logger	2018-10-16 08:49:53 -04:00
README.rst	samples: sensor: Convert doc to CMake	2017-11-12 21:13:23 -05:00
sample.yaml	tests/samples: cleanup tags	2018-10-16 09:17:51 -04:00

README.rst

.. _max30101:

MAX30101 Heart Rate Sensor
##########################

Overview
********

A sensor application that demonstrates how to poll data from the max30101 heart
rate sensor.

Building and Running
********************

This project configures the max30101 sensor on the :ref:`hexiwear_k64` board to
enable the green LED and measure the reflected light with a photodiode. The raw
ADC data prints to the console. Further processing (not included in this
sample) is required to extract a heart rate signal from the light measurement.

.. zephyr-app-commands::
   :zephyr-app: samples/sensors/max30101
   :board: hexiwear_k64
   :goals: build
   :compact:

Sample Output
=============

.. code-block:: console

   GREEN=5731
   GREEN=5750
   GREEN=5748
   GREEN=5741
   GREEN=5735
   GREEN=5737
   GREEN=5736
   GREEN=5748

<repeats endlessly>