/*
 * Copyright (c) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED.
 * 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.
 */

#ifndef APP_DEMO_MQ2_H
#define APP_DEMO_MQ2_H

typedef struct {
    double g_combustibleGasValue;
    unsigned char g_ahu20GasBuff[6];
}Mq2SensorDef;

void SetCombuSensorValue(void);
float GetCombuSensorValue(void);
void Mq2PpmCalibration(float rS);
float Mq2GetPpm(float voltage);
void Mq2GetData(void);

#endif