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#include <avr/io.h>
#include <util/delay.h>
#include <stdint.h>
#include "../tasks.h"
#include "../timer.h"
#ifndef _IOE_SENSOR_DHT22_H_
#define _IOE_SENSOR_DHT22_H_
#ifdef CONFIG_IOE_SENSOR_DHT22
struct dht22_value {
uint8_t integral;
uint8_t decimal;
};
struct dht22_port {
volatile uint8_t *DDR; // Address of DDR register
volatile uint8_t *PORT; // Address of PORT register
volatile uint8_t *PIN; // Address of PIN register
uint8_t MASK; // _BV() of index of port
volatile uint8_t *PCMSK; // Address of relevant PCMSK register
uint8_t PCMSK_MASK; // _BV() of index of PCMSK
};
extern const struct dht22_port dht22_ports[];
/*
* Initialize port for sensor
*/
void dht22_init(uint8_t port);
/*
* Read values from dht22
* rh - relative
* t - temperature
*/
int8_t dht22_read(uint8_t portindex, struct dht22_value *rh,
struct dht22_value *t);
#endif /* CONFIG_IOE_SENSOR_DHT22 */
#endif /* _IOE_SENSOR_DHT22_H_ */
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