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samples: tmp112: various cleanups

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Add a real README, convert the device getter to DEVICE_DT_GET_ANY,
and enable assertions to make debugging easier on new users.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This commit is contained in:
Martí Bolívar 2021-04-26 14:22:23 -07:00 • committed by Carles Cufí
commit aacab5e866
4 changed files with 29 additions and 7 deletions
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26
samples/sensor/tmp112/README.rst Normal file
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@ -0,0 +1,26 @@
.. _tmp112_sample:
TMP112 sample
#############
Overview
********
A sample showing how to use the :dtcompatible:`ti,tmp112` sensor.
Requirements
************
A board with this sensor built in to its :ref:`devicetree <dt-guide>`, or a
devicetree overlay with such a node added.
Building and Running
********************
To build and flash the sample for the :ref:`frdm_k64f`:
.. zephyr-app-commands::
:zephyr-app: samples/sensor/tmp112
:board: frdm_k64f
:goals: build flash
:compact:

5
samples/sensor/tmp112/README.txt
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@ -1,5 +0,0 @@
Title: tmp112
Description:
A simple example using the tmp112 temperature sensor.

1
samples/sensor/tmp112/prj.conf
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@ -2,3 +2,4 @@ CONFIG_STDOUT_CONSOLE=y
CONFIG_I2C=y CONFIG_I2C=y
CONFIG_SENSOR=y CONFIG_SENSOR=y
CONFIG_TMP112=y CONFIG_TMP112=y
CONFIG_ASSERT=y

4
samples/sensor/tmp112/src/main.c
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@ -56,10 +56,10 @@ static void do_main(const struct device *dev)
void main(void) void main(void)
{ {
const struct device *dev; const struct device *dev = DEVICE_DT_GET_ANY(ti_tmp112);
dev = device_get_binding("TMP112");
__ASSERT(dev != NULL, "Failed to get device binding"); __ASSERT(dev != NULL, "Failed to get device binding");
__ASSERT(device_is_ready(dev), "Device %s is not ready", dev->name);
printk("device is %p, name is %s\n", dev, dev->name); printk("device is %p, name is %s\n", dev, dev->name);
do_main(dev); do_main(dev);