blob: 2c95ede50f688ff47cfde1976093cad8a218a9bf [file] [log] [blame]
/*
* Copyright (c) 2018 Savoir-Faire Linux.
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/device.h>
#include <errno.h>
#include <zephyr/drivers/led.h>
#include <zephyr/sys/util.h>
#include <zephyr/kernel.h>
#define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
#include <zephyr/logging/log.h>
LOG_MODULE_REGISTER(main);
#define NUM_LEDS 4
#define MAX_BRIGHTNESS 100
#define HALF_BRIGHTNESS (MAX_BRIGHTNESS / 2)
#define BLINK_DELAY_ON 500
#define BLINK_DELAY_OFF 500
#define DELAY_TIME_MS 1000
#define DELAY_TIME K_MSEC(DELAY_TIME_MS)
int main(void)
{
const struct device *const led_dev = DEVICE_DT_GET_ANY(nxp_pca9633);
int i, ret;
if (!led_dev) {
LOG_ERR("No devices with compatible nxp,pca9633 found");
return 0;
} else if (!device_is_ready(led_dev)) {
LOG_ERR("LED device %s is not ready", led_dev->name);
return 0;
} else {
LOG_INF("Found LED device %s", led_dev->name);
}
LOG_INF("Testing leds");
while (1) {
/* Turn on LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_on(led_dev, i);
if (ret < 0) {
return 0;
}
k_sleep(DELAY_TIME);
}
/* Turn off LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_off(led_dev, i);
if (ret < 0) {
return 0;
}
k_sleep(DELAY_TIME);
}
/* Set the brightness to half max of LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_set_brightness(led_dev, i, HALF_BRIGHTNESS);
if (ret < 0) {
return 0;
}
k_sleep(DELAY_TIME);
}
/* Turn off LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_off(led_dev, i);
if (ret < 0) {
return 0;
}
k_sleep(DELAY_TIME);
}
/* Test the blinking of LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_blink(led_dev, i, BLINK_DELAY_ON,
BLINK_DELAY_OFF);
if (ret < 0) {
return 0;
}
k_sleep(DELAY_TIME);
}
/* Wait a few blinking before turning off the LEDs */
k_msleep(DELAY_TIME_MS * 10);
/* Turn off LEDs one by one */
for (i = 0; i < NUM_LEDS; i++) {
ret = led_off(led_dev, i);
if (ret < 0) {
return 0;
}
k_sleep(DELAY_TIME);
}
}
return 0;
}