Public function

Functions
void	voltmeter_cfg_setup (voltmeter_cfg_t *cfg)
	Config Object Initialization function.
err_t	voltmeter_init (voltmeter_t *ctx, voltmeter_cfg_t *cfg)
	Initialization function.
int16_t	voltmeter_read_raw_data (voltmeter_t *ctx)
	Read raw ADC value function.
float	voltmeter_calculate_voltage (voltmeter_t *ctx, int16_t raw_adc, uint8_t iso_gnd)
	Voltage calculation function.

Detailed Description

Function Documentation

voltmeter_calculate_voltage()

float voltmeter_calculate_voltage	(	voltmeter_t *	ctx,
		int16_t	raw_adc,
		uint8_t	iso_gnd )

Voltage calculation function.

Parameters

ctx	Click object.
raw_adc	Raw ADC value.
iso_gnd	1 - Isolated GND (+-17.05V), 0 - Shared GND (+-8.525V).

This function converts the raw ADC value to proportional voltage level.

voltmeter_cfg_setup()

void voltmeter_cfg_setup

(

voltmeter_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.

voltmeter_init()

err_t voltmeter_init	(	voltmeter_t *	ctx,
		voltmeter_cfg_t *	cfg )

Initialization function.

Parameters

voltmeter	Click object.
cfg	Click configuration structure.

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

voltmeter_read_raw_data()

int16_t voltmeter_read_raw_data

(

voltmeter_t *

ctx

)

Read raw ADC value function.

Parameters

ctx	Click object.

This function reads raw ADC value.