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Tomasz Bursztyka e18fcbba5a device: Const-ify all device driver instance pointers Now that device_api attribute is unmodified at runtime, as well as all the other attributes, it is possible to switch all device driver instance to be constant. A coccinelle rule is used for this: @r_const_dev_1 disable optional_qualifier @ @@ -struct device * +const struct device * @r_const_dev_2 disable optional_qualifier @ @@ -struct device * const +const struct device * Fixes #27399 Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>		2020-09-02 13:48:13 +02:00
..
src	device: Const-ify all device driver instance pointers	2020-09-02 13:48:13 +02:00
CMakeLists.txt	…
README.rst	…
prj.conf	…
sample.yaml	sanitycheck: inclusive language	2020-08-27 07:04:07 -04:00

README.rst

.. _bq274xx-sample:

BQ274XX Sensor Sample
#####################

Overview
********

This sample application retrieves all the fuel gauge parameters,
- Voltage, in volts
- Average current, in amps
- Standby current, in amps
- Maximum load current, in amps
- Gauge temperature
- State of charge measurement in percentage
- Full Charge Capacity in mAh
- Remaining Charge Capacity in mAh
- Nominal Available Capacity in mAh
- Full Available Capacity in mAh
- Average power in mW
- State of health measurement in percentage

from BQ274XX sensor and prints this information to the UART console.

Requirements
************

- nrf9160_innblue21 board with BQ274XX sensor `BQ274XX Sensor`_

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

Build this sample using the following commands:

.. zephyr-app-commands::
   :zephyr-app: samples/sensor/bq274xx
   :board: nrf9160_innblue21
   :goals: build flash

References
**********

.. target-notes::

.. _BQ274XX Sensor: http://www.ti.com/lit/ds/symlink/bq27421-g1.pdf