humid_sht.h File Reference

SHTxx sensor interface. More...

#include "std.h"

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Functions
void	humid_sht_init (void)
void	humid_sht_periodic (void)

Variables
uint16_t	humidsht
uint16_t	tempsht
float	fhumidsht
float	ftempsht
bool_t	humid_sht_available
uint8_t	humid_sht_status

Detailed Description

SHTxx sensor interface.

This reads the values for humidity and temperature from the SHTxx sensor through bit banging.

Definition in file humid_sht.h.

Function Documentation

void humid_sht_init

(

void

)

Definition at line 292 of file humid_sht.c.

References FALSE, gpio_clear(), gpio_setup_input(), gpio_setup_output(), humid_sht_available, humid_sht_status, and SHT_IDLE.

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void humid_sht_periodic

(

void

)

Definition at line 304 of file humid_sht.c.

References calc_sht(), DefaultChannel, DefaultDevice, FALSE, fhumidsht, ftempsht, HUMI, humid_sht_available, humid_sht_status, humidsht, s_connectionreset(), s_read_measure(), s_start_measure(), SHT_IDLE, SHT_MEASURING_HUMID, SHT_MEASURING_TEMP, TEMP, tempsht, and TRUE.

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Variable Documentation

float fhumidsht

Definition at line 80 of file humid_sht.c.

Referenced by humid_sht_periodic().

float ftempsht

Definition at line 80 of file humid_sht.c.

Referenced by humid_hih_periodic(), and humid_sht_periodic().

bool_t humid_sht_available

Definition at line 81 of file humid_sht.c.

Referenced by humid_sht_init(), and humid_sht_periodic().

uint8_t humid_sht_status

Definition at line 82 of file humid_sht.c.

Referenced by humid_sht_init(), and humid_sht_periodic().

uint16_t humidsht

Definition at line 79 of file humid_sht.c.

Referenced by humid_sht_periodic().

uint16_t tempsht

Definition at line 79 of file humid_sht.c.

Referenced by humid_sht_periodic().