SystemAgent/src/tasks/user_dht_task.c

95 lines
2.5 KiB
C

#include <stdint.h>
#include "user_common.h"
#include "impl/user_bme280_impl.h"
#include "tasks/user_task_lvgl_common.h"
#include "tasks/user_task_mqtt_common.h"
void *user_dht_task(void *arguments);
pthread_t user_dht_task_thread;
int user_dht_task_init(void) {
int ret;
ret = pthread_create(&user_dht_task_thread, NULL, user_dht_task, NULL);
if(ret) return ret;
pthread_setname_np(user_dht_task_thread, "DHT");
return 0;
}
int user_dht_task_deinit(void) {
pthread_join(user_dht_task_thread, NULL);
return 0;
}
void *user_dht_task(void *arguments) {
UNUSED(arguments);
while(g_running && !g_lvgl_ready) {
sleep(1);
}
user_bme280_impl_t bme_impl;
if(user_bme280_impl_init(&bme_impl) != 0) {
USER_LOG(USER_LOG_FATAL, "Failed to init BME280 implementation.");
return NULL;
}
bme280_t bme = {
.cb =
{
.read_register_cb =
(bme280_ret_t(*)(void *, uint8_t, uint8_t *,
uint8_t))user_bme280_impl_read_register_cb,
.write_register_cb = (bme280_ret_t(*)(void *, uint8_t, uint8_t))
user_bme280_impl_write_register_cb,
.delay_cb = (bme280_ret_t(*)(
void *, uint32_t))user_bme280_impl_delay_cb,
},
.user_data = &bme_impl};
bme280_config_t cfg;
if(bme280_init(&bme) == BME_FAIL) {
USER_LOG(USER_LOG_FATAL, "BME280 init failed.");
}
bme280_preset_config(&cfg, BME_PRESET_WEATHER);
bme280_apply_config(&bme, &cfg);
bme280_result_t res;
mqtt_influx_measure_t meas;
mqtt_influx_measure_item_t meas_item[3];
char temperature_buf[32];
char humidity_buf[32];
char pressure_buf[32];
meas.measurement = "dht";
meas.first_item = meas_item;
meas_item[0].key = "temperature";
meas_item[0].next = &meas_item[1];
meas_item[1].key = "humidity";
meas_item[1].next = &meas_item[2];
meas_item[2].key = "pressure";
meas_item[2].next = NULL;
while(g_running) {
bme280_measure(&bme, &res);
snprintf(temperature_buf, 32, "%.02f", res.temperature);
snprintf(humidity_buf, 32, "%.02f", res.humidity);
snprintf(pressure_buf, 32, "%.02f", res.pressure);
meas_item[0].value = temperature_buf;
meas_item[1].value = humidity_buf;
meas_item[2].value = pressure_buf;
mqtt_influx_publish_measurement(&g_mqtt_influx, &meas);
sleep(1);
}
return NULL;
}