Public function

Functions
void	pressure2_cfg_setup (pressure2_cfg_t *cfg)
	Config Object Initialization function.
err_t	pressure2_init (pressure2_t *ctx, pressure2_cfg_t *cfg)
	Initialization function.
err_t	pressure2_default_cfg (pressure2_t *ctx)
	Click Default Configuration function.
void	pressure2_reset (pressure2_t *ctx)
	Functions for reset chip.
void	pressure2_read_data (pressure2_t *ctx, uint8_t cmd, uint8_t *buffer, uint8_t n_bytes)
	Generic transfer function.
void	pressure2_write_bytes (pressure2_t *ctx, uint8_t cmd)
	Sends command.
uint16_t	pressure2_read_coefficient (pressure2_t *ctx, uint8_t index)
	Read calibration coefficients and return coefficient.
uint32_t	pressure2_send_cmd_adc (pressure2_t *ctx, uint8_t cmd)
	ADC conversion and return 24bit result.
void	pressure2_read_sensor (pressure2_t *ctx, float *press, float *temp)
	Read sensor.

Detailed Description

Function Documentation

pressure2_cfg_setup()

void pressure2_cfg_setup

(

pressure2_cfg_t *

cfg

)

Config Object Initialization function.

Parameters

cfg	Click configuration structure.

This function initializes click configuration structure to init state.

Note

All used pins will be set to unconnected state.

pressure2_default_cfg()

err_t pressure2_default_cfg

(

pressure2_t *

ctx

)

Click Default Configuration function.

Parameters

ctx	Click object.

This function executes default configuration for Pressure 2 click.

pressure2_init()

err_t pressure2_init	(	pressure2_t *	ctx,
		pressure2_cfg_t *	cfg )

Initialization function.

Parameters

pressure2	Click object.
cfg	Click configuration structure.

This function initializes all necessary pins and peripherals used for this click.

pressure2_read_coefficient()

uint16_t pressure2_read_coefficient	(	pressure2_t *	ctx,
		uint8_t	index )

Read calibration coefficients and return coefficient.

Parameters

ctx	Click object.
index

Returns

Coefficient.

This function read calibration coefficients and return coefficient.

pressure2_read_data()

void pressure2_read_data	(	pressure2_t *	ctx,
		uint8_t	cmd,
		uint8_t *	buffer,
		uint8_t	n_bytes )

Generic transfer function.

Parameters

ctx	Click object.
reg_addr	Address which from data be read.
buffer	Memory where data be stored.
n_bytes	Number of bytes to be read.

Reads multiple registries depending on the specified number of bytes.

pressure2_read_sensor()

void pressure2_read_sensor	(	pressure2_t *	ctx,
		float *	press,
		float *	temp )

Read sensor.

Parameters

ctx	Click object.
press	Pressure to be calculate;
temp	Pressure to be calculate;

Functions for readding sensor.

pressure2_reset()

void pressure2_reset

(

pressure2_t *

ctx

)

Functions for reset chip.

Parameters

ctx	Click object.

Functions for reset chip.

pressure2_send_cmd_adc()

uint32_t pressure2_send_cmd_adc	(	pressure2_t *	ctx,
		uint8_t	cmd )

ADC conversion and return 24bit result.

Parameters

ctx	Click object.
cmd	Command to be send.

Returns

24bit result.

This function preforms ADC conversion and return 24bit result.

pressure2_write_bytes()

void pressure2_write_bytes	(	pressure2_t *	ctx,
		uint8_t	cmd )

Sends command.

Parameters

ctx	Click object.
cmd	Command to be written.

Sends command using SPI protocol.