a1b77fd589
git grep -l 'u\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/u\(8\|16\|32\|64\)_t/uint\1_t/g" git grep -l 's\(8\|16\|32\|64\)_t' | \ xargs sed -i "s/s\(8\|16\|32\|64\)_t/int\1_t/g" Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2019 Nordic Semiconductor ASA
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr.h>
|
|
#include <device.h>
|
|
#include <drivers/sensor.h>
|
|
#include <stdio.h>
|
|
|
|
static const char *now_str(void)
|
|
{
|
|
static char buf[16]; /* ...HH:MM:SS.MMM */
|
|
uint32_t now = k_uptime_get_32();
|
|
unsigned int ms = now % MSEC_PER_SEC;
|
|
unsigned int s;
|
|
unsigned int min;
|
|
unsigned int h;
|
|
|
|
now /= MSEC_PER_SEC;
|
|
s = now % 60U;
|
|
now /= 60U;
|
|
min = now % 60U;
|
|
now /= 60U;
|
|
h = now;
|
|
|
|
snprintf(buf, sizeof(buf), "%u:%02u:%02u.%03u",
|
|
h, min, s, ms);
|
|
return buf;
|
|
}
|
|
|
|
void main(void)
|
|
{
|
|
const char *const label = DT_LABEL(DT_INST(0, aosong_dht));
|
|
struct device *dht22 = device_get_binding(label);
|
|
|
|
if (!dht22) {
|
|
printf("Failed to find sensor %s\n", label);
|
|
return;
|
|
}
|
|
|
|
while (true) {
|
|
int rc = sensor_sample_fetch(dht22);
|
|
|
|
if (rc != 0) {
|
|
printf("Sensor fetch failed: %d\n", rc);
|
|
break;
|
|
}
|
|
|
|
struct sensor_value temperature;
|
|
struct sensor_value humidity;
|
|
|
|
rc = sensor_channel_get(dht22, SENSOR_CHAN_AMBIENT_TEMP,
|
|
&temperature);
|
|
if (rc == 0) {
|
|
rc = sensor_channel_get(dht22, SENSOR_CHAN_HUMIDITY,
|
|
&humidity);
|
|
}
|
|
if (rc != 0) {
|
|
printf("get failed: %d\n", rc);
|
|
break;
|
|
}
|
|
|
|
printf("[%s]: %.1f Cel ; %.1f %%RH\n",
|
|
now_str(),
|
|
sensor_value_to_double(&temperature),
|
|
sensor_value_to_double(&humidity));
|
|
k_sleep(K_SECONDS(2));
|
|
}
|
|
}
|