baro_scp_i2c.c File Reference

VTI SCP1000 I2C sensor interface. More...

#include "baro_scp_i2c.h"
#include "mcu_periph/sys_time.h"
#include "mcu_periph/i2c.h"
#include "modules/core/abi.h"
#include "led.h"
#include "mcu_periph/uart.h"
#include "pprzlink/messages.h"
#include "modules/datalink/downlink.h"

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Macros
#define	SCP_I2C_DEV   i2c0
#define	SCP1000_SLAVE_ADDR   0x22

Functions
static void	baro_scp_start_high_res_measurement (void)
void	baro_scp_init (void)
void	baro_scp_periodic (void)
void	baro_scp_event (void)

Variables
uint8_t	baro_scp_status
uint32_t	baro_scp_pressure
uint16_t	baro_scp_temperature
struct i2c_transaction	scp_trans

Detailed Description

VTI SCP1000 I2C sensor interface.

This reads the values for pressure and temperature from the VTI SCP1000 sensor through I2C.

Definition in file baro_scp_i2c.c.

Macro Definition Documentation

SCP1000_SLAVE_ADDR

#define SCP1000_SLAVE_ADDR   0x22

Definition at line 34 of file baro_scp_i2c.c.

SCP_I2C_DEV

#define SCP_I2C_DEV   i2c0

Definition at line 31 of file baro_scp_i2c.c.

Function Documentation

baro_scp_event()

void baro_scp_event

(

void

)

Definition at line 65 of file baro_scp_i2c.c.

References BARO_SCP_IDLE, baro_scp_pressure, BARO_SCP_RD_PRESS_0, BARO_SCP_RD_PRESS_1, BARO_SCP_RD_TEMP, BARO_SCP_SENDER_ID, baro_scp_status, baro_scp_temperature, i2c_transaction::buf, DefaultChannel, DefaultDevice, get_sys_time_usec(), i2c_transceive(), I2CTransSuccess, SCP1000_DATARD16, SCP1000_DATARD8, SCP1000_SLAVE_ADDR, SCP_I2C_DEV, scp_trans, and i2c_transaction::status.

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baro_scp_init()

void baro_scp_init

(

void

)

Definition at line 44 of file baro_scp_i2c.c.

References baro_scp_status, and BARO_SCP_UNINIT.

baro_scp_periodic()

void baro_scp_periodic

(

void

)

Definition at line 49 of file baro_scp_i2c.c.

References BARO_SCP_IDLE, BARO_SCP_RD_TEMP, baro_scp_start_high_res_measurement(), baro_scp_status, BARO_SCP_UNINIT, i2c_transaction::buf, i2c_transceive(), sys_time::nb_sec, SCP1000_SLAVE_ADDR, SCP1000_TEMPOUT, SCP_I2C_DEV, and scp_trans.

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baro_scp_start_high_res_measurement()

static void baro_scp_start_high_res_measurement ( void  )

static

Definition at line 36 of file baro_scp_i2c.c.

References i2c_transaction::buf, i2c_transmit(), SCP1000_HIGH_RES, SCP1000_OPERATION, SCP1000_SLAVE_ADDR, SCP_I2C_DEV, and scp_trans.

Referenced by baro_scp_periodic().

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Variable Documentation

baro_scp_pressure

uint32_t baro_scp_pressure

Definition at line 25 of file baro_scp_i2c.c.

Referenced by baro_scp_event().

baro_scp_status

uint8_t baro_scp_status

Definition at line 24 of file baro_scp_i2c.c.

Referenced by baro_scp_event(), baro_scp_init(), and baro_scp_periodic().

baro_scp_temperature

uint16_t baro_scp_temperature

Definition at line 26 of file baro_scp_i2c.c.

Referenced by baro_scp_event().

scp_trans

struct i2c_transaction scp_trans

Definition at line 26 of file baro_scp_i2c.c.

Referenced by baro_scp_event(), baro_scp_periodic(), and baro_scp_start_high_res_measurement().