bossay_release_out/app/A07_WATHER/A07_WATHER_example.c

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2025-09-24 11:16:14 +08:00
/*
* Copyright (c) 2020  Jinan Bosai Network Technology Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "cmsis_os2.h"
#include "ohos_init.h"
#include "WATHER.h"
#define TASK_STACK_SIZE 1024 * 8
#define TASK_PRIO 25
BMP280_HandleTypedef bmp280;
float pressure, temperature, asl,humidity;
static void ExampleTask(void)
{
uint16_t dht_temperature;
uint16_t dht_humidity;
BoardInit();
bmp280_init_default_params(&bmp280.params);
while (!bmp280_init(&bmp280, &bmp280.params)) {
printf("BMP280 initialization failed\n");
}
DHT21_Init();
while (1)
{
printf("=======================================\r\n");
printf("*************A07_WATHER_example***********\r\n");
printf("=======================================\r\n");
DHT21_onewire(&dht_temperature,&dht_humidity);
humidity = (float)dht_humidity/10;
if(humidity>80){
BeepStatusSet(ON);
}
else{
BeepStatusSet(OFF);
}
// printf("temperature=%d \r\n",dht_temperature);
// printf("humidity=%d %%\r\n",dht_humidity);
//读取温度、气压、海拔数据,学员自行补充
while (!bmp280_read_float(&bmp280, &temperature, &pressure, &asl)) {
printf("Temperature/pressure reading failed\n");
}
printf("Temperature: %.2f C\r\nHumidity: %.2f %%\r\nPressure: %.2f hPa\r\nAltiude: %.2f m\r\n",temperature,humidity, pressure,asl);
sleep(3);
}
}
static void ExampleEntry(void)
{
osThreadAttr_t attr;
attr.name = "ExampleTask";
attr.attr_bits = 0U;
attr.cb_mem = NULL;
attr.cb_size = 0U;
attr.stack_mem = NULL;
attr.stack_size = TASK_STACK_SIZE;
attr.priority = TASK_PRIO;
if (osThreadNew((osThreadFunc_t)ExampleTask, NULL, &attr) == NULL) {
printf("Failed to create ExampleTask!\n");
}
}
APP_FEATURE_INIT(ExampleEntry);