Functions
void	pac1934_cfg_setup (pac1934_cfg_t *cfg)
	Config Object Initialization function.
PAC1934_RETVAL	pac1934_init (pac1934_t ctx, pac1934_cfg_t cfg)
	Initialization function.
void	pac1934_generic_write (pac1934_t ctx, uint8_t reg, uint8_t data_buf, uint8_t len)
	Generic write function.
void	pac1934_generic_read (pac1934_t ctx, uint8_t reg, uint8_t data_buf, uint8_t len)
	Generic read function.
void	pac1934_write_byte (pac1934_t *ctx, uint8_t wr_addr, uint8_t wr_data)
	Write one byte function.
uint8_t	pac1934_read_byte (pac1934_t *ctx, uint8_t rd_addr)
	Read one byte function.
uint16_t	pac1934_read_two_byte (pac1934_t *ctx, uint8_t rd_addr)
	Read two bytes function.
uint32_t	pac1934_read_four_byte (pac1934_t *ctx, uint8_t rd_addr)
	Read four bytes function.
void	pac1934_read_reg (pac1934_t ctx, uint8_t reg_addr, uint8_t output_data, uint8_t cnt)
	Read chosen number of bytes function.
void	pac1934_send_command (pac1934_t *ctx, uint8_t wr_cmd)
	Send Command.
float	pac1934_measure_voltage (pac1934_t *ctx, uint8_t channel)
	Measure Voltage function.
float	pac1934_measure_current (pac1934_t *ctx, uint8_t channel)
	Measure Current function.
float	pac1934_measure_power (pac1934_t *ctx, uint8_t channel)
	Measure Power function.
float	pac1934_calc_power (pac1934_t *ctx, float voltage, float amperage)
	Calculate Power function.
float	pac1934_measure_energy (pac1934_t *ctx, uint8_t chann, uint16_t samp_rate)
	Measure Energy function.
void	pac1934_dev_enable (pac1934_t *ctx)
	Enable device function.
void	pac1934_dev_disable (pac1934_t *ctx)
	Disable device function.
void	pac1934_dev_reset (pac1934_t *ctx)
	Reset device function.
uint8_t	pac1934_check_interrupt (pac1934_t *ctx)
	Check Interrupt function.

Detailed Description

Function Documentation

◆ pac1934_calc_power()

float pac1934_calc_power	(	pac1934_t *	ctx,
		float	voltage,
		float	amperage )

Calculate Power function.

Parameters

ctx	Click object.
voltage	Float value representing the voltage.
amperage	Float value representing the amperage.

Note: Make sure that voltage and amperage are taken from the same channel.

@description This function is used to calculate power by multiplying voltage and amperage.

◆ pac1934_cfg_setup()

void pac1934_cfg_setup ( pac1934_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.

◆ pac1934_check_interrupt()

uint8_t pac1934_check_interrupt ( pac1934_t * ctx )

Check Interrupt function.

Parameters

ctx	Click object.

Returns: Result State of the INT pin

@description This function is used to check the state of INT pin.

◆ pac1934_dev_disable()

void pac1934_dev_disable ( pac1934_t * ctx )

Disable device function.

Parameters

ctx	Click object.

@description This function is used to disable the device.

◆ pac1934_dev_enable()

void pac1934_dev_enable ( pac1934_t * ctx )

Enable device function.

Parameters

ctx	Click object.

@description This function is used to disable the device.

◆ pac1934_dev_reset()

void pac1934_dev_reset ( pac1934_t * ctx )

Reset device function.

Parameters

ctx	Click object.

Note: Function has a small 200 milisecond delay.

@description This function is used to reset the device.

◆ pac1934_generic_read()

void pac1934_generic_read	(	pac1934_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_buf,
		uint8_t	len )

Generic read function.

Parameters

ctx	Click object.
reg	Register address.
data_buf	Output data buf
len	Number of the bytes to be read

@description This function reads data from the desired register.

◆ pac1934_generic_write()

void pac1934_generic_write	(	pac1934_t *	ctx,
		uint8_t	reg,
		uint8_t *	data_buf,
		uint8_t	len )

Generic write function.

Parameters

ctx	Click object.
reg	Register address.
data_buf	Data buf to be written.
len	Number of the bytes in data buf.

@description This function writes data to the desired register.

◆ pac1934_init()

PAC1934_RETVAL pac1934_init	(	pac1934_t *	ctx,
		pac1934_cfg_t *	cfg )

Initialization function.

Parameters

ctx	Click object.
cfg	Click configuration structure.

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

◆ pac1934_measure_current()

float pac1934_measure_current	(	pac1934_t *	ctx,
		uint8_t	channel )

Measure Current function.

Parameters

ctx	Click object.
channel	Channel from which to read.

Returns: result float value that represents current

Reads the current data from one of the _PAC1934_VSENSE registers, depending on the selected channel and converts it into float value expressed in mA.

Note: This command reads current from the time of the most recent refresh command.

@description This function measure Current function

◆ pac1934_measure_energy()

float pac1934_measure_energy	(	pac1934_t *	ctx,
		uint8_t	chann,
		uint16_t	samp_rate )

Measure Energy function.

Parameters

ctx	Click object.
chann	channel Channel from which to read.
samp_rate	16-but data representing sample rate.

Reads the energy data from one of the _PAC1934_VPOWER registers, depending on the selected channel and converts it into float value expressed in Joules.

Note: This command reads power from the time of the most recent refresh command.; This function is not available for: PIC, dsPic and AVR based boards.

@description This function measure Energy function.

◆ pac1934_measure_power()

float pac1934_measure_power	(	pac1934_t *	ctx,
		uint8_t	channel )

Measure Power function.

Parameters

ctx	Click object.
channel	Channel from which to read.

Returns: result float value that represents power.

Reads the power data from one of the _PAC1934_VPOWER registers, depending on the selected channel and converts it into float value expressed in Watts.

Note: This command reads power from the time of the most recent refresh command.

@description This function measure Power function.

◆ pac1934_measure_voltage()

float pac1934_measure_voltage	(	pac1934_t *	ctx,
		uint8_t	channel )

Measure Voltage function.

Parameters

ctx	Click object.
channel	Channel from which to read.

Returns: result float value that represents voltage

Reads the voltage data from one of the _PAC1934_VBUS registers, depending on the selected channel and converts it into float value expressed in Volts.

Note: This command reads voltage from the time of the most recent refresh command.

@description This function measure Voltage function.

◆ pac1934_read_byte()

uint8_t pac1934_read_byte	(	pac1934_t *	ctx,
		uint8_t	rd_addr )

Read one byte function.

Parameters

ctx	Click object.
rd_addr	8-bit register address.

Returns: 8-bit data from address specified register

@description Tunction reads single byte of data from specified register.

◆ pac1934_read_four_byte()

uint32_t pac1934_read_four_byte	(	pac1934_t *	ctx,
		uint8_t	rd_addr )

Read four bytes function.

Parameters

ctx	Click object.
rd_addr	8-bit register address.

Returns: 32-bit data from address specified registers

@description This function reads 4 bytes of data from specified, registers.

◆ pac1934_read_reg()

void pac1934_read_reg	(	pac1934_t *	ctx,
		uint8_t	reg_addr,
		uint8_t *	output_data,
		uint8_t	cnt )

Read chosen number of bytes function.

Parameters

ctx	Click object.
reg_addr	8-bit register address.
output_data	outputData data from address specified registers.
cnt	8-bit register address.

@description This function reads user defined number bytes of data from specified, registers.

◆ pac1934_read_two_byte()

uint16_t pac1934_read_two_byte	(	pac1934_t *	ctx,
		uint8_t	rd_addr )

Read two bytes function.

Parameters

ctx	Click object.
rd_addr	8-bit register address.

Returns: 16-bit data from address specified registers

@description This function reads 2 bytes of data from specified, registers.

◆ pac1934_send_command()

void pac1934_send_command	(	pac1934_t *	ctx,
		uint8_t	wr_cmd )

Send Command.

Parameters

ctx	Click object.
wr_cmd	8-bit command to execute.

Note: Calling this function with '_PAC1934_REFRESH_G_CMD' parameter will issue a global command to all the devices on the bus.

@description This function Executes refresh commands.

◆ pac1934_write_byte()

void pac1934_write_byte	(	pac1934_t *	ctx,
		uint8_t	wr_addr,
		uint8_t	wr_data )

Write one byte function.

Parameters

ctx	Click object.
wr_addr	8-bit register address.
wr_data	8-bit data to be written into register.

@description Tunction writes single byte of data into specified register..

Functions

Detailed Description

Function Documentation

◆ pac1934_calc_power()

◆ pac1934_cfg_setup()

◆ pac1934_check_interrupt()

◆ pac1934_dev_disable()

◆ pac1934_dev_enable()

◆ pac1934_dev_reset()

◆ pac1934_generic_read()

◆ pac1934_generic_write()

◆ pac1934_init()

◆ pac1934_measure_current()

◆ pac1934_measure_energy()

◆ pac1934_measure_power()

◆ pac1934_measure_voltage()

◆ pac1934_read_byte()

◆ pac1934_read_four_byte()

◆ pac1934_read_reg()

◆ pac1934_read_two_byte()

◆ pac1934_send_command()

◆ pac1934_write_byte()