samples: sensors: drop ti_hdc sample as a more generic one exists
This sample adds no value compared to generic dht polling sample Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
This commit is contained in:
Benjamin Cabé
Anas Nashif
parent
6a5428b751
commit
7cf124b4a9
6 changed files with 0 additions and 164 deletions
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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(ti_hdc)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})
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.. _ti_hdc_sample:
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TI_HDC Sample
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##############
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Description
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***********
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This sample application periodically takes Temperature and Humidity
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using the ti_hdc sensor driver. The result is written to the console.
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Requirements
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************
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This sample needs a compatible sensor like HDC1010 or HDC1080
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connected to the target board's I2C connector.
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Example Breakout Boards:
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* Pmod HYGRO: Humidity and Temperature Sensor Breakout board
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Wiring
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******
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This sample is tested with the STM32L496ZG nucleo and the Pmod HYGRO
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Temp/RH breakout board.
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The sensor operates at 3.3V and uses I2C to communicate with the board.
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External Wires:
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* Breakout **GND** pin <--> Nucleo **GND** pin
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* Breakout **VCC** pin <--> Nucleo **3V3** pin
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* Breakout **SDA** pin <--> Nucleo **CN7-D14** pin
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* Breakout **SCL** pin <--> Nucleo **CN7-D15** pin
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Building and Running
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********************
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This sample builds one application for the HDC1080 sensor.
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Build/Flash Steps:
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.. zephyr-app-commands::
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:zephyr-app: samples/sensor/ti_hdc/
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:board: nucleo_l496zg
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:goals: build flash
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:compact:
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Sample Output
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*************
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.. code-block:: console
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Running on arm!
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Dev 0x20001160 name HDC1080 is ready!
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Fetching...
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Raw Temp = 25144, Temp = 23.305053 C, Raw RH = 32292, RH = 49.273681 %
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Fetching...
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Raw Temp = 25148, Temp = 23.315124 C, Raw RH = 32424, RH = 49.475097 %
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...
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Build Testing
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**************
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.. code-block:: bash
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$ZEPHYR_BASE/scripts/twister -T $ZEPHYR_BASE/samples/sensor/ti_hdc/ -p nucleo_l496zg --device-testing --device-serial /dev/ttyACM0 -t build
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Target Testing
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**************
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.. code-block:: bash
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$ZEPHYR_BASE/scripts/twister -T $ZEPHYR_BASE/samples/sensor/ti_hdc/ -p nucleo_l496zg --device-testing --device-serial /dev/ttyACM0 -t target
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References
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**********
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.. _Nucleo STM32L496ZG board: https://www.st.com/en/evaluation-tools/nucleo-l496zg.html
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.. _HDC1080 Breakout board: https://store.digilentinc.com/pmod-hygro-digital-humidity-and-temperature-sensor/
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/*
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* Copyright (c) 2019 Centaur Analytics, Inc
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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&arduino_i2c {
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ti_hdc: ti_hdc@40 {
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compatible = "ti,hdc","ti,hdc1080";
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reg = <0x40>;
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};
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};
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CONFIG_ASSERT=y # validation
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CONFIG_I2C=y
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CONFIG_GPIO=y
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CONFIG_SENSOR=y
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sample:
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name: TI HDC Humidity/Temperature Sensor
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tests:
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sample.sensor.ti_hdc:
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harness: sensor
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platform_allow:
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- reel_board
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- nucleo_l496zg
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integration_platforms:
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- reel_board
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tags: sensors
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depends_on: i2c
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/*
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* Copyright (c) 2019 Centaur Analytics
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/drivers/sensor.h>
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#include <zephyr/sys/printk.h>
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#include <zephyr/sys/__assert.h>
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#include <zephyr/logging/log.h>
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#include <zephyr/drivers/gpio.h>
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int main(void)
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{
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printk("Running on %s!\n", CONFIG_ARCH);
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const struct device *const dev = DEVICE_DT_GET_ONE(ti_hdc);
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if (!device_is_ready(dev)) {
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printk("sensor: device not ready.\n");
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return 0;
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}
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printk("Dev %p name %s is ready!\n", dev, dev->name);
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struct sensor_value temp, humidity;
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while (1) {
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/* take a sample */
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printk("Fetching...\n");
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sensor_sample_fetch(dev);
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sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp);
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sensor_channel_get(dev, SENSOR_CHAN_HUMIDITY, &humidity);
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/* print the result */
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printk("Temp = %d.%06d C, RH = %d.%06d %%\n",
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temp.val1, temp.val2, humidity.val1, humidity.val2);
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/* wait for the next sample */
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k_sleep(K_SECONDS(10));
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}
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return 0;
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}
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