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samples: sensors: add veaa_x_3 sample
Add sample for VEAA-X-3 sensor. Signed-off-by: Jeppe Odgaard <[email protected]>
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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}) | ||
project(app) | ||
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target_sources(app PRIVATE src/main.c) |
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# | ||
# Copyright (c) 2024 Vitrolife A/S | ||
# | ||
# SPDX-License-Identifier: Apache-2.0 | ||
# | ||
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mainmenu "VEAA sample application" | ||
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config SAMPLE_USE_SHELL | ||
bool "Use sensor shell and disable loop" | ||
default n | ||
select SHELL | ||
select SENSOR_SHELL | ||
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config SAMPLE_LOOP_INTERVAL | ||
int "Sample loop delay in milliseconds" | ||
default 200 | ||
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config SAMPLE_LOOP_INCREMENT | ||
int "Sample kPa increment per loop" | ||
default 1 | ||
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source "Kconfig.zephyr" |
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.. veaa_x_3: | ||
VEAA-X-3 sample | ||
########################## | ||
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Overview | ||
******** | ||
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A sensor sample that demonstrates how to use a VEAA-X-3 device. | ||
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Building and Running | ||
******************** | ||
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This sample sets the valve setpoint then reads the actual pressure. | ||
This is done continuously. When the maximum supported pressure is reached the setpoint is reset to | ||
the valve's minimum supported pressure value. | ||
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.. zephyr-app-commands:: | ||
:zephyr-app: samples/sensor/veaa_x_3 | ||
:board: <board to use> | ||
:goals: build flash | ||
:compact: | ||
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Sample Output | ||
============= | ||
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.. code-block:: console | ||
Testing test_veaa_x_3 | ||
Valve range: 1 to 200 kPa | ||
Setpoint: 1 kPa, actual: 1 kPa | ||
Setpoint: 2 kPa, actual: 2 kPa | ||
Setpoint: 3 kPa, actual: 3 kPa | ||
... | ||
Setpoint: 199 kPa, actual: 199 kPa | ||
Setpoint: 200 kPa, actual: 200 kPa | ||
Setpoint: 1 kPa, actual: 1 kPa | ||
<repeats endlessly> |
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/* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
* Copyright (c) 2024, Vitrolife A/S | ||
*/ | ||
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/* spi1 sck conflicts with dac1 channel 3 */ | ||
/delete-node/ &spi1; | ||
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/ { | ||
test_veaa_x_3: test_veaa_x_3 { | ||
status = "okay"; | ||
compatible = "festo,veaa-x-3"; | ||
io-channels = <&adc1 3>; | ||
dac = <&dac1>; | ||
dac-channel-id = <2>; | ||
dac-resolution = <12>; | ||
pressure-range-type = "D2"; | ||
}; | ||
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}; | ||
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&adc1 { | ||
#address-cells = <1>; | ||
#size-cells = <0>; | ||
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channel@3 { | ||
reg = <3>; | ||
zephyr,gain = "ADC_GAIN_1"; | ||
zephyr,reference = "ADC_REF_INTERNAL"; | ||
zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>; | ||
zephyr,resolution = <12>; | ||
}; | ||
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}; |
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CONFIG_ADC=y | ||
CONFIG_DAC=y | ||
CONFIG_SENSOR=y | ||
CONFIG_LOG=y |
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sample: | ||
name: VEAA-X-3 sensor sample | ||
tests: | ||
sample.sensor.veaa_x_3: | ||
harness: sensor | ||
tags: sensors | ||
filter: dt_compat_enabled("festo,veaa-x-3") | ||
depends_on: adc dac |
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/* | ||
* Copyright (c) 2024 Vitrolife A/S | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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#include <zephyr/device.h> | ||
#include <zephyr/kernel.h> | ||
#include <zephyr/sys/printk.h> | ||
#include <zephyr/drivers/sensor.h> | ||
#include <zephyr/drivers/sensor/veaa_x_3.h> | ||
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static const struct device *const dev = DEVICE_DT_GET_ONE(festo_veaa_x_3); | ||
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int main(void) | ||
{ | ||
int rc; | ||
struct sensor_value range, setpoint, pressure; | ||
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printk("Testing %s\n", dev->name); | ||
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if (!device_is_ready(dev)) { | ||
printk("%s not ready\n", dev->name); | ||
return -ENODEV; | ||
} | ||
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rc = sensor_attr_get(dev, SENSOR_CHAN_PRESS, | ||
(enum sensor_attribute)SENSOR_ATTR_VEAA_X_3_RANGE, &range); | ||
if (rc != 0) { | ||
printk("get range failed: %d\n", rc); | ||
return rc; | ||
} | ||
printk("Valve range: %u to %u kPa\n", range.val1, range.val2); | ||
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if (IS_ENABLED(CONFIG_SAMPLE_USE_SHELL)) { | ||
printk("Loop is disabled. Use the `sensor` command to test %s", dev->name); | ||
return 0; | ||
} | ||
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setpoint.val1 = range.val1; | ||
while (1) { | ||
rc = sensor_attr_set(dev, SENSOR_CHAN_PRESS, | ||
(enum sensor_attribute)SENSOR_ATTR_VEAA_X_3_SETPOINT, | ||
&setpoint); | ||
if (rc != 0) { | ||
printk("Set setpoint to %u failed: %d\n", setpoint.val1, rc); | ||
} | ||
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/* Sleep before get to allow DAC and ADC to stabilize */ | ||
k_msleep(CONFIG_SAMPLE_LOOP_INTERVAL); | ||
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rc = sensor_sample_fetch(dev); | ||
if (rc != 0) { | ||
printk("Fetch sample failed: %d", rc); | ||
} | ||
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rc = sensor_channel_get(dev, SENSOR_CHAN_PRESS, &pressure); | ||
if (rc != 0) { | ||
printk("Get sample failed: %d", rc); | ||
} | ||
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printk("Setpoint: %4u kPa, actual: %4u kPa\n", setpoint.val1, pressure.val1); | ||
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setpoint.val1 += CONFIG_SAMPLE_LOOP_INCREMENT; | ||
if (setpoint.val1 > range.val2) { | ||
setpoint.val1 = range.val1; | ||
} | ||
} | ||
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return 0; | ||
} |