Public function

Functions
void	waveform_cfg_setup (waveform_cfg_t *cfg)
	Config Object Initialization function.
err_t	waveform_init (waveform_t *ctx, waveform_cfg_t *cfg)
	Initialization function.
void	waveform_digipot_dec (waveform_t *ctx)
	Decrement function.
void	waveform_digipot_inc (waveform_t *ctx)
	Increment function.
void	waveform_write_reg (waveform_t *ctx, uint16_t reg_setting)
	Registry function.
void	waveform_write_frequency (waveform_t *ctx, uint32_t freq)
	Frequency function.
void	waveform_sine_output (waveform_t *ctx, uint32_t freq)
	Sinusoide output function.
void	waveform_triangle_output (waveform_t *ctx, uint32_t freq)
	Triangle output function.
void	waveform_square_output (waveform_t *ctx, uint32_t freq)
	Square output function.

Detailed Description

Function Documentation

waveform_cfg_setup()

void waveform_cfg_setup

(

waveform_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.

waveform_digipot_dec()

void waveform_digipot_dec

(

waveform_t *

ctx

)

Decrement function.

Parameters

ctx	Click object.

This function decreases amplitude.

waveform_digipot_inc()

void waveform_digipot_inc

(

waveform_t *

ctx

)

Increment function.

Parameters

ctx	Click object.

This function increases amplitude.

waveform_init()

err_t waveform_init	(	waveform_t *	ctx,
		waveform_cfg_t *	cfg )

Initialization function.

Parameters

waveform	Click object.
cfg	Click configuration structure.

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

waveform_sine_output()

void waveform_sine_output	(	waveform_t *	ctx,
		uint32_t	freq )

Sinusoide output function.

Parameters

ctx	Click object.
freq	Set the frequency by passing the raw 24bit value.

This function outputs sinusoide signal.

waveform_square_output()

void waveform_square_output	(	waveform_t *	ctx,
		uint32_t	freq )

Square output function.

Parameters

ctx	Click object.
freq	Set the frequency by passing the raw 24bit value.

This function outputs square signal.

waveform_triangle_output()

void waveform_triangle_output	(	waveform_t *	ctx,
		uint32_t	freq )

Triangle output function.

Parameters

ctx	Click object.
freq	Set the frequency by passing the raw 24bit value.

This function outputs triangle signal.

waveform_write_frequency()

void waveform_write_frequency	(	waveform_t *	ctx,
		uint32_t	freq )

Frequency function.

Parameters

ctx	Click object.
freq	Set the frequency by passing the raw 24bit value.

This function sets frequency.

waveform_write_reg()

void waveform_write_reg	(	waveform_t *	ctx,
		uint16_t	reg_setting )

Registry function.

Parameters

ctx	Click object.
reg_setting	Generic SPI function for writing 16bit values to the waveform generating chip.