Loading...
Searching...
No Matches
mq3.h
Go to the documentation of this file.
1/*
2 * Copyright (C) 2014 Freie Universität Berlin
3 *
4 * This file is subject to the terms and conditions of the GNU Lesser General
5 * Public License v2.1. See the file LICENSE in the top level directory for more
6 * details.
7 */
8
9#pragma once
10
23#include "periph/adc.h"
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
32#define MQ3_MAX_RAW_VALUE (1023U)
33
37typedef struct {
39} mq3_t;
40
55int mq3_init(mq3_t *dev, adc_t adc_line);
56
64int16_t mq3_read_raw(const mq3_t *dev);
65
73int16_t mq3_read(const mq3_t *dev);
74
75#ifdef __cplusplus
76}
77#endif
78
Low-level ADC peripheral driver interface definitions.
int16_t mq3_read(const mq3_t *dev)
Read the scaled sensor value of PPM of alcohol.
int16_t mq3_read_raw(const mq3_t *dev)
Read the RAW sensor value, can be between 0 and MQ3_MAX_RAW_VALUE.
int mq3_init(mq3_t *dev, adc_t adc_line)
Initialize a MQ-3 alcohol sensor.
uint_fast8_t adc_t
Define default ADC type identifier.
Definition adc.h:71
device descriptor for a MQ-3 sensor
Definition mq3.h:37
adc_t adc_line
the used ADC line
Definition mq3.h:38