Public function

Functions
void	gainamp2_cfg_setup (gainamp2_cfg_t *cfg)
	Config Object Initialization function.
GAINAMP2_RETVAL	gainamp2_init (gainamp2_t *ctx, gainamp2_cfg_t *cfg)
	Initialization function.
void	gainamp2_generic_transfer (gainamp2_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
	Generic transfer function.
void	gainamp2_write_command (gainamp2_t *ctx, uint8_t instruction, uint8_t input)
	Send Command.
void	gainamp2_set_channel_gain (gainamp2_t *ctx, uint8_t channel, uint8_t gain)
	Set the channel gain.
float	gainamp2_get_voltage (gainamp2_t *ctx)
	Return voltage measured from OUT pin.

Detailed Description

Function Documentation

gainamp2_cfg_setup()

void gainamp2_cfg_setup

(

gainamp2_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.

gainamp2_generic_transfer()

void gainamp2_generic_transfer	(	gainamp2_t *	ctx,
		uint8_t *	wr_buf,
		uint16_t	wr_len,
		uint8_t *	rd_buf,
		uint16_t	rd_len )

Generic transfer function.

Parameters

ctx	Click object.
wr_buf	Write data buffer
wr_len	Number of byte in write data buffer
rd_buf	Read data buffer
rd_len	Number of byte in read data buffer

@description Generic SPI transfer, for sending and receiving packages

gainamp2_get_voltage()

float gainamp2_get_voltage

(

gainamp2_t *

ctx

)

Return voltage measured from OUT pin.

Parameters

ctx	Click object.

@description This function returns voltage measured from OUT pin.

gainamp2_init()

GAINAMP2_RETVAL gainamp2_init	(	gainamp2_t *	ctx,
		gainamp2_cfg_t *	cfg )

Initialization function.

Parameters

gainamp2	Click object.
cfg	Click configuration structure.

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

gainamp2_set_channel_gain()

void gainamp2_set_channel_gain	(	gainamp2_t *	ctx,
		uint8_t	channel,
		uint8_t	gain )

Set the channel gain.

Parameters

ctx	Click object.
channel
gain

@description This function sets the channel gain.

gainamp2_write_command()

void gainamp2_write_command	(	gainamp2_t *	ctx,
		uint8_t	instruction,
		uint8_t	input )

Send Command.

Parameters

ctx	Click object.
instruction
input

Function setup amplifier according to provided command.