#include <zephyr.h>
#include <device.h>
#include <drivers/sensor.h>
#include <sys/printk.h>

const struct device *sensor_dev;

#define RETRY_COUNT 3
#define RETRY_DELAY K_SECONDS(2)
#define FETCH_INTERVAL K_SECONDS(10)

void main(void)
{
    struct sensor_value temp, humidity;
    int ret, retry;

    sensor_dev = device_get_binding(DT_LABEL(DT_INST(0, ams_dht22)));
    if (!sensor_dev) {
        printk("Failed to bind DHT22 sensor\n");
        return;
    }

    while (1) {
        retry = 0;
        while (retry < RETRY_COUNT) {
            ret = sensor_sample_fetch(sensor_dev);
            if (ret == 0) {
                break;
            }
            printk("Failed to fetch data, attempt %d/%d\n", retry + 1, RETRY_COUNT);
            retry++;
            k_sleep(RETRY_DELAY);
        }

        if (retry == RETRY_COUNT) {
            printk("Failed to fetch data after %d attempts\n", RETRY_COUNT);
            k_sleep(FETCH_INTERVAL);
            continue;
        }

        ret = sensor_channel_get(sensor_dev, SENSOR_CHAN_AMBIENT_TEMP, &temp);
        if (ret < 0) {
            printk("Failed to get temperature data\n");
            continue;
        }

        ret = sensor_channel_get(sensor_dev, SENSOR_CHAN_HUMIDITY, &humidity);
        if (ret < 0) {
            printk("Failed to get humidity data\n");
            continue;
        }

        printk("Temperature: %d.%d C\n", temp.val1, temp.val2);
        printk("Humidity: %d.%d %%\n", humidity.val1, humidity.val2);

        k_sleep(FETCH_INTERVAL);
    }
}

#include <zephyr.h>
#include <device.h>
#include <drivers/sensor.h>
#include <sys/printk.h>

const struct device *sensor_dev;

#define RETRY_COUNT 3
#define RETRY_DELAY K_SECONDS(2)
#define FETCH_INTERVAL K_SECONDS(10)

void main(void)
{
    struct sensor_value temp, humidity;
    int ret, retry;

    sensor_dev = device_get_binding(DT_LABEL(DT_INST(0, ams_dht22)));
    if (!sensor_dev) {
        printk("Failed to bind DHT22 sensor\n");
        return;
    }

    while (1) {
        retry = 0;
        while (retry < RETRY_COUNT) {
            ret = sensor_sample_fetch(sensor_dev);
            if (ret == 0) {
                break;
            }
            printk("Failed to fetch data, attempt %d/%d\n", retry + 1, RETRY_COUNT);
            retry++;
            k_sleep(RETRY_DELAY);
        }

        if (retry == RETRY_COUNT) {
            printk("Failed to fetch data after %d attempts\n", RETRY_COUNT);
            k_sleep(FETCH_INTERVAL);
            continue;
        }

        ret = sensor_channel_get(sensor_dev, SENSOR_CHAN_AMBIENT_TEMP, &temp);
        if (ret < 0) {
            printk("Failed to get temperature data\n");
            continue;
        }

        ret = sensor_channel_get(sensor_dev, SENSOR_CHAN_HUMIDITY, &humidity);
        if (ret < 0) {
            printk("Failed to get humidity data\n");
            continue;
        }

        printk("Temperature: %d.%d C\n", temp.val1, temp.val2);
        printk("Humidity: %d.%d %%\n", humidity.val1, humidity.val2);

        k_sleep(FETCH_INTERVAL);
    }
}