This file contains API for Air Flow Click Driver. More...

#include "drv_digital_out.h"
#include "drv_digital_in.h"
#include "drv_i2c_master.h"
#include "drv_spi_master.h"

Data Structures
struct	airflow_s
	Air Flow Click context object. More...

struct	airflow_cfg_t
	Air Flow Click configuration object. More...

Macros
#define	AIRFLOW_I2C_CMD_RESET 0x11
	Air Flow I2C control registers.

#define	AIRFLOW_I2C_CMD_GET_SIG 0x23

#define	AIRFLOW_I2C_CMD_GET_DATA 0x26

#define	AIRFLOW_I2C_CMD_CONV 0x27

#define	AIRFLOW_I2C_CMD_GET_NON_BAR 0x50

#define	AIRFLOW_I2C_CMD_GET_NON_BLOCK_BAR 0x51

#define	AIRFLOW_SPI_CMD_NONE 0x00
	Air Flow SPI control registers.

#define	AIRFLOW_SPI_CMD_RESET 0x01

#define	AIRFLOW_SPI_CMD_CONV 0x04

#define	AIRFLOW_SPI_CMD_STOP 0x05

#define	AIRFLOW_SPI_CMD_GET_DATA 0x06

#define	AIRFLOW_SPI_CMD_GET_BAR 0x07

#define	AIRFLOW_SPI_CMD_GET_SIG 0x0C

#define	AIRFLOW_NO_BAROMETRIC_CORRECTION 0x01
	Air Flow description setting.

#define	AIRFLOW_BAROMETRIC_CORRECTION 0x03

#define	AIRFLOW_SET_DEV_ADDR 0x5B
	Air Flow device address setting.

#define	AIRFLOW_MAP_MIKROBUS(cfg, mikrobus)
	MikroBUS pin mapping.

Typedefs
typedef err_t(*	airflow_master_io_t) (struct airflow_s , uint8_t, uint8_t , uint8_t)
	Air Flow Click driver interface.

typedef struct airflow_s	airflow_t
	Air Flow Click context object.

Enumerations
enum	airflow_drv_t { AIRFLOW_DRV_SEL_SPI , AIRFLOW_DRV_SEL_I2C }
	Air Flow Click driver selector. More...

enum	airflow_return_value_t { AIRFLOW_OK = 0 , AIRFLOW_ERROR = -1 }
	Air Flow Click return value data. More...

Functions
void	airflow_cfg_setup (airflow_cfg_t *cfg)
	Air Flow configuration object setup function.

void	airflow_drv_interface_selection (airflow_cfg_t *cfg, airflow_drv_t drv_sel)
	Air Flow driver interface setup function.

err_t	airflow_init (airflow_t ctx, airflow_cfg_t cfg)
	Air Flow initialization function.

err_t	airflow_default_cfg (airflow_t *ctx)
	Air Flow default configuration function.

err_t	airflow_generic_write (airflow_t ctx, uint8_t reg, uint8_t data_in, uint8_t len)
	Air Flow data writing function.

err_t	airflow_generic_read (airflow_t ctx, uint8_t reg, uint8_t data_out, uint8_t len)
	Air Flow data reading function.

void	airflow_reset_device (airflow_t *ctx)
	Reset device.

uint8_t	airflow_check_ready (airflow_t *ctx)
	Reads ready pin state.

err_t	airflow_get_differential_pressure (airflow_t ctx, float pressure)
	Reads differential pressure.

err_t	airflow_get_atmospheric_pressure (airflow_t ctx, float pressure, float *temperature)
	Reads atmospheric pressure and temperature.

err_t	airflow_get_status (airflow_t ctx, uint8_t status)
	Reads status data.

Detailed Description

This file contains API for Air Flow Click Driver.

Typedef Documentation

typedef err_t(* airflow_master_io_t) (struct airflow_s *, uint8_t, uint8_t *, uint8_t)

Air Flow Click driver interface.

Definition of driver interface of Air Flow Click driver. Driver serial interface.

Air Flow Click context object.

Context object definition of Air Flow Click driver.

Air Flow Click driver selector.

Selects target driver interface of Air Flow Click driver.

Enumerator
AIRFLOW_DRV_SEL_SPI	SPI driver descriptor.
AIRFLOW_DRV_SEL_I2C	I2C driver descriptor.

Air Flow Click return value data.

Predefined enum values for driver return values.

Enumerator
AIRFLOW_OK
AIRFLOW_ERROR