humid_sht_i2c.c File Reference

Sensirion SHT25 humidity/temperature sensor interface. More...

#include "modules/meteo/humid_sht_i2c.h"
#include "mcu_periph/i2c.h"
#include "mcu_periph/uart.h"
#include "messages.h"
#include "subsystems/datalink/downlink.h"

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Macros
#define	SHT_I2C_DEV   i2c0
#define	SHT_SLAVE_ADDR   0x80

Functions
int8_t	humid_sht_crc (volatile uint8_t *data)
void	humid_sht_init_i2c (void)
void	humid_sht_periodic_i2c (void)
void	humid_sht_p_temp (void)
void	humid_sht_p_humid (void)
void	humid_sht_event_i2c (void)

Variables
struct i2c_transaction	sht_trans
uint8_t	sht_status
uint8_t	sht_serial [8] = {0}
uint32_t	sht_serial1 = 0
uint32_t	sht_serial2 = 0
uint16_t	humidsht_i2c
uint16_t	tempsht_i2c
float	fhumidsht_i2c
float	ftempsht_i2c

Detailed Description

Sensirion SHT25 humidity/temperature sensor interface.

Definition in file humid_sht_i2c.c.

Macro Definition Documentation

#define SHT_I2C_DEV   i2c0

Definition at line 38 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c(), humid_sht_p_humid(), humid_sht_p_temp(), and humid_sht_periodic_i2c().

#define SHT_SLAVE_ADDR   0x80

Definition at line 41 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c(), humid_sht_p_humid(), humid_sht_p_temp(), and humid_sht_periodic_i2c().

Function Documentation

int8_t humid_sht_crc

(

volatile uint8_t *

data

)

Definition at line 50 of file humid_sht_i2c.c.

References crc.

Referenced by humid_sht_event_i2c().

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void humid_sht_event_i2c

(

void

)

Definition at line 130 of file humid_sht_i2c.c.

References i2c_transaction::buf, DefaultChannel, DefaultDevice, fhumidsht_i2c, ftempsht_i2c, humid_sht_crc(), humidsht_i2c, i2c_transceive(), i2c_transmit(), I2CTransDone, I2CTransSuccess, if(), SHT2_GET_HUMID, SHT2_GET_TEMP, SHT2_IDLE, SHT2_READ_HUMID, SHT2_READ_TEMP, SHT2_RESET, SHT2_SERIAL, SHT2_SERIAL1, SHT2_SERIAL2, SHT2_TRIG_HUMID, SHT2_TRIG_TEMP, SHT2_TRIGGER_HUMID, SHT_I2C_DEV, sht_serial, sht_serial1, sht_serial2, SHT_SLAVE_ADDR, sht_status, sht_trans, i2c_transaction::status, and tempsht_i2c.

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void humid_sht_init_i2c

(

void

)

Definition at line 71 of file humid_sht_i2c.c.

References SHT2_UNINIT, and sht_status.

void humid_sht_p_humid

(

void

)

Definition at line 121 of file humid_sht_i2c.c.

References i2c_receive(), SHT2_GET_HUMID, SHT2_READ_HUMID, SHT_I2C_DEV, SHT_SLAVE_ADDR, sht_status, and sht_trans.

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void humid_sht_p_temp

(

void

)

Definition at line 111 of file humid_sht_i2c.c.

References i2c_receive(), SHT2_GET_TEMP, SHT2_READ_TEMP, SHT_I2C_DEV, SHT_SLAVE_ADDR, sht_status, and sht_trans.

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void humid_sht_periodic_i2c

(

void

)

Definition at line 76 of file humid_sht_i2c.c.

References i2c_transaction::buf, DefaultChannel, DefaultDevice, i2c_transceive(), i2c_transmit(), SHT2_RESET, SHT2_SERIAL, SHT2_SERIAL1, SHT2_SERIAL2, SHT2_SOFT_RESET, SHT2_TRIG_TEMP, SHT2_TRIGGER_TEMP, SHT2_UNINIT, SHT_I2C_DEV, sht_serial1, sht_serial2, SHT_SLAVE_ADDR, sht_status, and sht_trans.

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Variable Documentation

float fhumidsht_i2c

Definition at line 48 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c().

float ftempsht_i2c

Definition at line 48 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c().

uint16_t humidsht_i2c

Definition at line 47 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c().

uint8_t sht_serial[8] = {0}

Definition at line 45 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c().

uint32_t sht_serial1 = 0

Definition at line 46 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c(), and humid_sht_periodic_i2c().

uint32_t sht_serial2 = 0

Definition at line 46 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c(), and humid_sht_periodic_i2c().

uint8_t sht_status

Definition at line 44 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c(), humid_sht_init_i2c(), humid_sht_p_humid(), humid_sht_p_temp(), and humid_sht_periodic_i2c().

struct i2c_transaction sht_trans

Definition at line 43 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c(), humid_sht_p_humid(), humid_sht_p_temp(), and humid_sht_periodic_i2c().

uint16_t tempsht_i2c

Definition at line 47 of file humid_sht_i2c.c.

Referenced by humid_sht_event_i2c().