Public function

Functions
void	buck2_cfg_setup (buck2_cfg_t *cfg)
	Config Object Initialization function.
BUCK2_RETVAL	buck2_init (buck2_t *ctx, buck2_cfg_t *cfg)
	Initialization function.
void	buck2_default_cfg (buck2_t *ctx)
	Click Default Configuration function.
void	buck2_set_voset (buck2_t *ctx, uint8_t channel, uint8_t state)
	Function settings VOSET pin state.
void	busk2_set_frequency (buck2_t *ctx, uint8_t freq)
	Function settings Frequency.
void	buck2_set_power_mode (buck2_t *ctx, uint8_t mode)
	Function settings chip mode.
void	back2_device_reset (buck2_t *ctx)
	Function for reset chip.
uint8_t	buck2_get_power_good (buck2_t *ctx)
	Function reads state PG pin.
void	buck2_set_output_voltage (buck2_t *ctx, uint8_t voltage)
	Function settings output voltage.

Detailed Description

Function Documentation

back2_device_reset()

void back2_device_reset

(

buck2_t *

ctx

)

Function for reset chip.

Parameters

ctx	Click object.

buck2_cfg_setup()

void buck2_cfg_setup

(

buck2_cfg_t *

cfg

)

Config Object Initialization function.

Parameters

cfg	Click configuration structure.

@description This function initializes click configuration structure to init state.

Note

All used pins will be set to unconnected state.

buck2_default_cfg()

void buck2_default_cfg

(

buck2_t *

ctx

)

Click Default Configuration function.

Parameters

ctx	Click object.

@description This function executes default configuration for Buck 2 click.

Note

Settings that are included in the default config:

   Power mode options:
 - BUCK2_MODE_ACTIVE
  Set voltage 
 - BUCK2_SET_VOLTAGE_3300mV

buck2_get_power_good()

uint8_t buck2_get_power_good

(

buck2_t *

ctx

)

Function reads state PG pin.

Parameters

ctx	Click object.

Returns

• 0 / Not a good input voltage, set the input voltage to a minimum of 4500mV.
• 1 / Power good output voltage

buck2_init()

BUCK2_RETVAL buck2_init	(	buck2_t *	ctx,
		buck2_cfg_t *	cfg )

Initialization function.

Parameters

buck2	Click object.
cfg	Click configuration structure.

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

buck2_set_output_voltage()

void buck2_set_output_voltage	(	buck2_t *	ctx,
		uint8_t	voltage )

Function settings output voltage.

Parameters

ctx	Click object.
voltage	Select output voltage

Note

Set options:

 - BUCK2_SET_VOLTAGE_3300mV
 - BUCK2_SET_VOLTAGE_2500mV
 - BUCK2_SET_VOLTAGE_1800mV
 - BUCK2_SET_VOLTAGE_1500mV

buck2_set_power_mode()

void buck2_set_power_mode	(	buck2_t *	ctx,
		uint8_t	mode )

Function settings chip mode.

Parameters

ctx	Click object.
mode	Select power mode

Note

Set options:

 - BUCK2_MODE_ACTIVE
 - BUCK_MODE_SLEEP

buck2_set_voset()

void buck2_set_voset	(	buck2_t *	ctx,
		uint8_t	channel,
		uint8_t	state )

Function settings VOSET pin state.

Parameters

ctx	Click object.
channel	Select channel
state	VOSET pin state

busk2_set_frequency()

void busk2_set_frequency	(	buck2_t *	ctx,
		uint8_t	freq )

Function settings Frequency.

Parameters

ctx	Click object.
freq	Select frequency

Note

Frequency:

 - 565kHz - if the pin FQ is set to LOW
 - 790kHz - if the pin FQ is set to HIGH