API for configuring and manipulating Expand 14 Click driver. More...

Topics
	Expand 14 Registers List
	List of registers of Expand 14 Click driver.

	Expand 14 Registers Settings
	Settings for registers of Expand 14 Click driver.

	Expand 14 MikroBUS Map
	MikroBUS pin mapping of Expand 14 Click driver.

Functions
void	expand14_cfg_setup (expand14_cfg_t *cfg)
	Expand 14 configuration object setup function.

err_t	expand14_init (expand14_t ctx, expand14_cfg_t cfg)
	Expand 14 initialization function.

err_t	expand14_default_cfg (expand14_t *ctx)
	Expand 14 default configuration function.

err_t	expand14_generic_write (expand14_t ctx, uint8_t reg, uint8_t data_in, uint8_t len)
	Expand 14 I2C writing function.

err_t	expand14_generic_read (expand14_t ctx, uint8_t reg, uint8_t data_out, uint8_t len)
	Expand 14 I2C reading function.

err_t	expand14_write_register (expand14_t *ctx, uint8_t reg, uint8_t data_in)
	Expand 14 write register function.

err_t	expand14_read_register (expand14_t ctx, uint8_t reg, uint8_t data_out)
	Expand 14 read register function.

err_t	expand14_set_pin_direction (expand14_t *ctx, uint8_t direction, uint8_t port, uint8_t pin_mask)
	Expand 14 set pin direction function.

err_t	expand14_set_all_pins_direction (expand14_t *ctx, uint8_t direction)
	Expand 14 set all pins direction function.

err_t	expand14_set_all_pins_value (expand14_t *ctx, uint8_t set_mask)
	Expand 14 set all pins value function.

err_t	expand14_set_pin_value (expand14_t *ctx, uint8_t port, uint8_t clr_mask, uint8_t set_mask)
	Expand 14 set pin value function.

err_t	expand14_read_port_value (expand14_t ctx, uint8_t port, uint8_t data_out)
	Expand 14 read port value function.

uint8_t	expand14_get_int_pin (expand14_t *ctx)
	Expand 14 get INT pin function.

Detailed Description

API for configuring and manipulating Expand 14 Click driver.

Any initialization code needed for MCU to function properly. Do not remove this line or clock might not be set correctly.

Function Documentation

◆ expand14_cfg_setup()

void expand14_cfg_setup ( expand14_cfg_t * cfg )

Expand 14 configuration object setup function.

This function initializes click configuration structure to initial values.

Parameters

[out] cfg : Click configuration structure. See expand14_cfg_t object definition for detailed explanation.

Returns: Nothing.

Note: The all used pins will be set to unconnected state.

◆ expand14_default_cfg()

err_t expand14_default_cfg ( expand14_t * ctx )

Expand 14 default configuration function.

This function executes a default configuration of Expand 14 click board.

Parameters

[in] ctx : Click context object. See expand14_t object definition for detailed explanation.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: This function can consist any necessary configuration or setting to put device into operating mode.

◆ expand14_generic_read()

err_t expand14_generic_read	(	expand14_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_out,
		uint8_t	len )

Expand 14 I2C reading function.

This function reads a desired number of data bytes starting from the selected register by using I2C serial interface.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	reg	: Start register address.
[out]	data_out	: Output read data.
[in]	len	: Number of bytes to be read.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_generic_write()

err_t expand14_generic_write	(	expand14_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_in,
		uint8_t	len )

Expand 14 I2C writing function.

This function writes a desired number of data bytes starting from the selected register by using I2C serial interface.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	reg	: Start register address.
[in]	data_in	: Data to be written.
[in]	len	: Number of bytes to be written.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_get_int_pin()

uint8_t expand14_get_int_pin ( expand14_t * ctx )

Expand 14 get INT pin function.

This function returns the logic level of the INT pin.

Parameters

[in] ctx : Click context object. See expand14_t object definition for detailed explanation.

Returns: Pin logic level.

Note: None.

◆ expand14_init()

err_t expand14_init	(	expand14_t *	ctx,
		expand14_cfg_t *	cfg )

Expand 14 initialization function.

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

Parameters

[out]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	cfg	: Click configuration structure. See expand14_cfg_t object definition for detailed explanation.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_read_port_value()

err_t expand14_read_port_value	(	expand14_t *	ctx,
		uint8_t	port,
		uint8_t *	data_out )

Expand 14 read port value function.

This function reads the value of the selected port input pins.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	port	: `0` - Port 0, `1` - Port 1.
[out]	data_out	: Port value.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_read_register()

err_t expand14_read_register	(	expand14_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_out )

Expand 14 read register function.

This function reads a data byte from the selected register by using I2C serial interface.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	reg	: Register address.
[out]	data_out	: Output read data.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_set_all_pins_direction()

err_t expand14_set_all_pins_direction	(	expand14_t *	ctx,
		uint8_t	direction )

Expand 14 set all pins direction function.

This function sets the direction of all pins.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	direction	: `0` - Output, `1` - Input.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_set_all_pins_value()

err_t expand14_set_all_pins_value	(	expand14_t *	ctx,
		uint8_t	set_mask )

Expand 14 set all pins value function.

This function sets the value of all output pins.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	set_mask	: Pin set mask.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_set_pin_direction()

err_t expand14_set_pin_direction	(	expand14_t *	ctx,
		uint8_t	direction,
		uint8_t	port,
		uint8_t	pin_mask )

Expand 14 set pin direction function.

This function sets the direction of the selected pins.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	direction	: `0` - Output, `1` - Input.
[in]	port	: `0` - Port 0, `1` - Port 1.
[in]	pin_mask	: Pin mask.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_set_pin_value()

err_t expand14_set_pin_value	(	expand14_t *	ctx,
		uint8_t	port,
		uint8_t	clr_mask,
		uint8_t	set_mask )

Expand 14 set pin value function.

This function sets the value of the selected pins.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	port	: `0` - Port 0, `1` - Port 1.
[in]	clr_mask	: Pin clear mask.
[in]	set_mask	: Pin set mask.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

◆ expand14_write_register()

err_t expand14_write_register	(	expand14_t *	ctx,
		uint8_t	reg,
		uint8_t	data_in )

Expand 14 write register function.

This function writes a data byte to the selected register by using I2C serial interface.

Parameters

[in]	ctx	: Click context object. See expand14_t object definition for detailed explanation.
[in]	reg	: Register address.
[in]	data_in	: Data to be written.

Returns

0 - Success,
-1 - Error. See #err_t definition for detailed explanation.

Note: None.

Topics

Functions

Detailed Description

Function Documentation

◆ expand14_cfg_setup()

◆ expand14_default_cfg()

◆ expand14_generic_read()

◆ expand14_generic_write()

◆ expand14_get_int_pin()

◆ expand14_init()

◆ expand14_read_port_value()

◆ expand14_read_register()

◆ expand14_set_all_pins_direction()

◆ expand14_set_all_pins_value()

◆ expand14_set_pin_direction()

◆ expand14_set_pin_value()

◆ expand14_write_register()