bossay_release_out/app/A21_Agriculture/A21_Agriculture_example.c
2025-09-24 11:16:14 +08:00

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/*
* 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 "DHT11.h"
#include "BH1750.h"
#include "cmsis_os2.h"
#include "ohos_init.h"
#define TASK_STACK_SIZE 1024 * 8
#define TASK_PRIO 25
uint8_t fan_status;
static void FanTask(void)
{
while (1)
{
if(fan_status == 1)
FanStatusSet(ON,1);
else
{
FanStatusSet(OFF,0);
sleep(1);
}
}
}
static void ExampleTask(void)
{
int ret;
uint8_t dht_temperature;
uint8_t dht_humidity;
float Lux;
// BoardInit();
//GPIO_0复用为I2C1_SDA
ret = BoardInit();
if (ret != 0) {
printf("E53_SC1 Init failed!\r\n");
return;
}
while (1)
{
DHT11_Read_Data(&dht_temperature,&dht_humidity);
printf("temperature=%d \r\n",dht_temperature);
printf("humidity=%d %%\r\n",dht_humidity);
ret = BH1750ReadData(&Lux);
if (ret != 0) {
printf("E53_SC1 Read Data failed!\r\n");
return;
}
printf("Lux data:%.2f\r\n", Lux);
if (Lux < 20) {
fan_status = 1;
LightStatusSet(ON);
} else {
LightStatusSet(OFF);
fan_status = 0;
FanStatusSet(OFF,1);
}
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");
}
attr.name = "FanTask";
if (osThreadNew((osThreadFunc_t)FanTask, NULL, &attr) == NULL) {
printf("Failed to create FanTask!\n");
}
}
APP_FEATURE_INIT(ExampleEntry);