Header file of AD7156 Driver. More...

#include <stdint.h>
#include "no_os_i2c.h"

Include dependency graph for ad7156.h:

Classes
struct	ad7156_dev

struct	ad7156_init_param

Macros
#define	AD7156_ADDRESS 0x48

#define	AD7156_REG_STATUS 0x00

#define	AD7156_REG_CH1_DATA_H 0x01

#define	AD7156_REG_CH1_DATA_L 0x02

#define	AD7156_REG_CH2_DATA_H 0x03

#define	AD7156_REG_CH2_DATA_L 0x04

#define	AD7156_REG_CH1_AVG_H 0x05

#define	AD7156_REG_CH1_AVG_L 0x06

#define	AD7156_REG_CH2_AVG_H 0x07

#define	AD7156_REG_CH2_AVG_L 0x08

#define	AD7156_REG_CH1_SENS_THRSH_H 0x09

#define	AD7156_REG_CH1_TMO_THRSH_L 0x0A

#define	AD7156_REG_CH1_SETUP 0x0B

#define	AD7156_REG_CH2_SENS_THRSH_H 0x0C

#define	AD7156_REG_CH2_TMO_THRSH_L 0x0D

#define	AD7156_REG_CH2_SETUP 0x0E

#define	AD7156_REG_CONFIG 0x0F

#define	AD7156_REG_PWR_DWN_TMR 0x10

#define	AD7156_REG_CH1_CAPDAC 0x11

#define	AD7156_REG_CH2_CAPDAC 0x12

#define	AD7156_REG_SERIAL_N3 0x13

#define	AD7156_REG_SERIAL_N2 0x14

#define	AD7156_REG_SERIAL_N1 0x15

#define	AD7156_REG_SERIAL_N0 0x16

#define	AD7156_REG_CHIP_ID 0x17

#define	AD7156_STATUS_PWR_DWN (1 << 7)

#define	AD7156_STATUS_DAC_STEP2 (1 << 6)

#define	AD7156_STATUS_OUT2 (1 << 5)

#define	AD7156_STATUS_DAC_STEP1 (1 << 4)

#define	AD7156_STATUS_OUT1 (1 << 3)

#define	AD7156_STATUS_C1_C2 (1 << 2)

#define	AD7156_STATUS_RDY2 (1 << 1)

#define	AD7156_STATUS_RDY1 (1 << 0)

#define	AD7156_CH1_SETUP_RANGE(x)

#define	AD7156_CH1_SETUP_HYST1 (1 << 4)

#define	AD7156_CH1_SETUP_THR1(x)

#define	AD7156_CH2_SETUP_RANGE(x)

#define	AD7156_CH2_SETUP_HYST2 (1 << 4)

#define	AD7156_CH2_SETUP_THR2(x)

#define	AD7156_CDC_RANGE_2_PF 0

#define	AD7156_CDC_RANGE_0_5_PF 1

#define	AD7156_CDC_RANGE_1_PF 2

#define	AD7156_CDC_RANGE_4_PF 3

#define	AD7156_CONFIG_THR_FIXED (1 << 7)

#define	AD7156_CONFIG_THR_MD(x)

#define	AD7156_CONFIG_EN_CH1 (1 << 4)

#define	AD7156_CONFIG_EN_CH2 (1 << 3)

#define	AD7156_CONFIG_MD(x)

#define	AD7156_ADAPTIVE_THRESHOLD 0

#define	AD7156_FIXED_THRESHOLD 1

#define	AD7156_THR_MODE_NEGATIVE 0

#define	AD7156_THR_MODE_POSITIVE 1

#define	AD7156_THR_MODE_IN_WINDOW 2

#define	AD7156_THR_MODE_OU_WINDOW 3

#define	AD7156_CONV_MODE_IDLE 0

#define	AD7156_CONV_MODE_CONT_CONV 1

#define	AD7156_CONV_MODE_SINGLE_CONV 2

#define	AD7156_CONV_MODE_PWR_DWN 3

#define	AD7156_PWR_DWN_TMR_TIMEOUT(x)

#define	AD7156_CH1_CAPDAC_DAC_EN1 (1 << 7)

#define	AD7156_CH1_CAPDAC_DAC_AUTO1 (1 << 6)

#define	AD7156_CH1_CAPDAC_DAC_VAL1(x)

#define	AD7156_CH2_CAPDAC_DAC_EN2 (1 << 7)

#define	AD7156_CH2_CAPDAC_DAC_AUTO2 (1 << 6)

#define	AD7156_CH2_CAPDAC_DAC_VAL2(x)

#define	AD7156_DEFAULT_ID 0x88

#define	AD7156_RESET_CMD 0xBF

#define	AD7156_CHANNEL1 1

#define	AD7156_CHANNEL2 2

Functions
void	ad7156_get_register_value (struct ad7156_dev dev, uint8_t p_read_data, uint8_t register_address, uint8_t bytes_number)
	Performs a burst read of a specified number of registers.

void	ad7156_set_register_value (struct ad7156_dev *dev, uint16_t register_value, uint8_t register_address, uint8_t bytes_number)
	Writes data into one or two registers.

int8_t	ad7156_init (struct ad7156_dev **device, struct ad7156_init_param init_param)
	Initializes the communication peripheral and the initial Values for AD7156 Board.

int32_t	ad7156_remove (struct ad7156_dev *dev)
	Free the resources allocated by ad7156_init().

void	ad7156_reset (struct ad7156_dev *dev)
	Resets the device.

void	ad7156_set_power_mode (struct ad7156_dev *dev, uint8_t pwr_mode)
	Sets the converter mode of operation.

void	ad7156_channel_state (struct ad7156_dev *dev, uint8_t channel, uint8_t enable_conv)
	Enables or disables conversion on the selected channel.

void	ad7156_set_range (struct ad7156_dev *dev, uint32_t channel, uint8_t range)
	Sets the input range of the specified channel.

float	ad7156_get_range (struct ad7156_dev *dev, uint32_t channel)
	Reads the range bits from the device and returns the range in pF.

void	ad7156_set_threshold_mode (struct ad7156_dev *dev, uint8_t thr_mode, uint8_t thr_fixed)
	Selects the threshold mode of operation.

void	ad7156_set_threshold (struct ad7156_dev *dev, uint8_t channel, float p_fthr)
	Writes to the threshold register when threshold fixed mode is enabled.

void	ad7156_set_sensitivity (struct ad7156_dev *dev, uint8_t channel, float p_fsensitivity)
	Writes a value(pF) to the sensitivity register. This functions should be used when adaptive threshold mode is selected.

uint16_t	ad7156_read_channel_data (struct ad7156_dev *dev, uint8_t channel)
	Reads a 12-bit sample from the selected channel.

uint16_t	ad7156_wait_read_channel_data (struct ad7156_dev *dev, uint8_t channel)
	Waits for a finished CDC conversion and reads a 12-bit sample from the selected channel.

float	ad7156_read_channel_capacitance (struct ad7156_dev *dev, uint8_t channel)
	Reads a sample the selected channel and converts the data to picofarads(pF).

float	ad7156_wait_read_channel_capacitance (struct ad7156_dev *dev, uint8_t channel)
	Waits for a finished CDC conversion the selected channel, reads a sample and converts the data to picofarads(pF).

Detailed Description

Header file of AD7156 Driver.

Author: DNechita(Dan.N.nosp@m.echi.nosp@m.ta@an.nosp@m.alog.nosp@m..com)

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

◆ AD7156_ADAPTIVE_THRESHOLD

#define AD7156_ADAPTIVE_THRESHOLD 0

◆ AD7156_ADDRESS

#define AD7156_ADDRESS 0x48

< AD7156 slave address AD7156 registers

◆ AD7156_CDC_RANGE_0_5_PF

#define AD7156_CDC_RANGE_0_5_PF 1

◆ AD7156_CDC_RANGE_1_PF

#define AD7156_CDC_RANGE_1_PF 2

◆ AD7156_CDC_RANGE_2_PF

#define AD7156_CDC_RANGE_2_PF 0

◆ AD7156_CDC_RANGE_4_PF

#define AD7156_CDC_RANGE_4_PF 3

AD7156_REG_CONFIG definition

◆ AD7156_CH1_CAPDAC_DAC_AUTO1

#define AD7156_CH1_CAPDAC_DAC_AUTO1 (1 << 6)

◆ AD7156_CH1_CAPDAC_DAC_EN1

#define AD7156_CH1_CAPDAC_DAC_EN1 (1 << 7)

◆ AD7156_CH1_CAPDAC_DAC_VAL1

#define AD7156_CH1_CAPDAC_DAC_VAL1 ( x )

Value:

((x) & 0x3F)

AD7156_REG_CH2_CAPDAC

◆ AD7156_CH1_SETUP_HYST1

#define AD7156_CH1_SETUP_HYST1 (1 << 4)

◆ AD7156_CH1_SETUP_RANGE

#define AD7156_CH1_SETUP_RANGE ( x )

Value:

(((x) & 0x3) << 6)

◆ AD7156_CH1_SETUP_THR1

#define AD7156_CH1_SETUP_THR1 ( x )

Value:

((x) & 0xF)

AD7156_REG_CH2_SETUP definition

◆ AD7156_CH2_CAPDAC_DAC_AUTO2

#define AD7156_CH2_CAPDAC_DAC_AUTO2 (1 << 6)

◆ AD7156_CH2_CAPDAC_DAC_EN2

#define AD7156_CH2_CAPDAC_DAC_EN2 (1 << 7)

◆ AD7156_CH2_CAPDAC_DAC_VAL2

#define AD7156_CH2_CAPDAC_DAC_VAL2 ( x )

Value:

((x) & 0x3F)

Chip identification code

◆ AD7156_CH2_SETUP_HYST2

#define AD7156_CH2_SETUP_HYST2 (1 << 4)

◆ AD7156_CH2_SETUP_RANGE

#define AD7156_CH2_SETUP_RANGE ( x )

Value:

(((x) & 0x3) << 6)

◆ AD7156_CH2_SETUP_THR2

#define AD7156_CH2_SETUP_THR2 ( x )

Value:

((x) & 0xF)

AD7156_CH1_SETUP_RANGE(x) and AD7156_CH2_SETUP_RANGE(x) options

◆ AD7156_CHANNEL1

#define AD7156_CHANNEL1 1

◆ AD7156_CHANNEL2

#define AD7156_CHANNEL2 2

◆ AD7156_CONFIG_EN_CH1

#define AD7156_CONFIG_EN_CH1 (1 << 4)

◆ AD7156_CONFIG_EN_CH2

#define AD7156_CONFIG_EN_CH2 (1 << 3)

◆ AD7156_CONFIG_MD

#define AD7156_CONFIG_MD ( x )

Value:

((x) & 0x7)

AD7156_CONFIG_THR_FIXED options

◆ AD7156_CONFIG_THR_FIXED

#define AD7156_CONFIG_THR_FIXED (1 << 7)

◆ AD7156_CONFIG_THR_MD

#define AD7156_CONFIG_THR_MD ( x )

Value:

(((x) & 0x3) << 5)

◆ AD7156_CONV_MODE_CONT_CONV

#define AD7156_CONV_MODE_CONT_CONV 1

◆ AD7156_CONV_MODE_IDLE

#define AD7156_CONV_MODE_IDLE 0

◆ AD7156_CONV_MODE_PWR_DWN

#define AD7156_CONV_MODE_PWR_DWN 3

AD7156_REG_PWR_DWN_TMR definition

◆ AD7156_CONV_MODE_SINGLE_CONV

#define AD7156_CONV_MODE_SINGLE_CONV 2

◆ AD7156_DEFAULT_ID

#define AD7156_DEFAULT_ID 0x88

AD7156 Reset Command

◆ AD7156_FIXED_THRESHOLD

#define AD7156_FIXED_THRESHOLD 1

AD7156_CONFIG_THR_MD(x) options

◆ AD7156_PWR_DWN_TMR_TIMEOUT

#define AD7156_PWR_DWN_TMR_TIMEOUT ( x )

Value:

(((x) & 0x3F) | (1 << 6))

AD7156_REG_CH1_CAPDAC

◆ AD7156_REG_CH1_AVG_H

#define AD7156_REG_CH1_AVG_H 0x05

◆ AD7156_REG_CH1_AVG_L

#define AD7156_REG_CH1_AVG_L 0x06

◆ AD7156_REG_CH1_CAPDAC

#define AD7156_REG_CH1_CAPDAC 0x11

◆ AD7156_REG_CH1_DATA_H

#define AD7156_REG_CH1_DATA_H 0x01

◆ AD7156_REG_CH1_DATA_L

#define AD7156_REG_CH1_DATA_L 0x02

◆ AD7156_REG_CH1_SENS_THRSH_H

#define AD7156_REG_CH1_SENS_THRSH_H 0x09

◆ AD7156_REG_CH1_SETUP

#define AD7156_REG_CH1_SETUP 0x0B

◆ AD7156_REG_CH1_TMO_THRSH_L

#define AD7156_REG_CH1_TMO_THRSH_L 0x0A

◆ AD7156_REG_CH2_AVG_H

#define AD7156_REG_CH2_AVG_H 0x07

◆ AD7156_REG_CH2_AVG_L

#define AD7156_REG_CH2_AVG_L 0x08

◆ AD7156_REG_CH2_CAPDAC

#define AD7156_REG_CH2_CAPDAC 0x12

◆ AD7156_REG_CH2_DATA_H

#define AD7156_REG_CH2_DATA_H 0x03

◆ AD7156_REG_CH2_DATA_L

#define AD7156_REG_CH2_DATA_L 0x04

◆ AD7156_REG_CH2_SENS_THRSH_H

#define AD7156_REG_CH2_SENS_THRSH_H 0x0C

◆ AD7156_REG_CH2_SETUP

#define AD7156_REG_CH2_SETUP 0x0E

◆ AD7156_REG_CH2_TMO_THRSH_L

#define AD7156_REG_CH2_TMO_THRSH_L 0x0D

◆ AD7156_REG_CHIP_ID

#define AD7156_REG_CHIP_ID 0x17

AD7156_REG_STATUS definition

◆ AD7156_REG_CONFIG

#define AD7156_REG_CONFIG 0x0F

◆ AD7156_REG_PWR_DWN_TMR

#define AD7156_REG_PWR_DWN_TMR 0x10

◆ AD7156_REG_SERIAL_N0

#define AD7156_REG_SERIAL_N0 0x16

◆ AD7156_REG_SERIAL_N1

#define AD7156_REG_SERIAL_N1 0x15

◆ AD7156_REG_SERIAL_N2

#define AD7156_REG_SERIAL_N2 0x14

◆ AD7156_REG_SERIAL_N3

#define AD7156_REG_SERIAL_N3 0x13

◆ AD7156_REG_STATUS

#define AD7156_REG_STATUS 0x00

◆ AD7156_RESET_CMD

#define AD7156_RESET_CMD 0xBF

AD7156 Channels

◆ AD7156_STATUS_C1_C2

#define AD7156_STATUS_C1_C2 (1 << 2)

◆ AD7156_STATUS_DAC_STEP1

#define AD7156_STATUS_DAC_STEP1 (1 << 4)

◆ AD7156_STATUS_DAC_STEP2

#define AD7156_STATUS_DAC_STEP2 (1 << 6)

◆ AD7156_STATUS_OUT1

#define AD7156_STATUS_OUT1 (1 << 3)

◆ AD7156_STATUS_OUT2

#define AD7156_STATUS_OUT2 (1 << 5)

◆ AD7156_STATUS_PWR_DWN

#define AD7156_STATUS_PWR_DWN (1 << 7)

◆ AD7156_STATUS_RDY1

#define AD7156_STATUS_RDY1 (1 << 0)

AD7156_REG_CH1_SETUP definition

◆ AD7156_STATUS_RDY2

#define AD7156_STATUS_RDY2 (1 << 1)

◆ AD7156_THR_MODE_IN_WINDOW

#define AD7156_THR_MODE_IN_WINDOW 2

◆ AD7156_THR_MODE_NEGATIVE

#define AD7156_THR_MODE_NEGATIVE 0

◆ AD7156_THR_MODE_OU_WINDOW

#define AD7156_THR_MODE_OU_WINDOW 3

AD7156_CONFIG_MD(x) options

◆ AD7156_THR_MODE_POSITIVE

#define AD7156_THR_MODE_POSITIVE 1

Function Documentation

◆ ad7156_channel_state()

void ad7156_channel_state	(	struct ad7156_dev *	dev,
		uint8_t	channel,
		uint8_t	enable_conv )

Enables or disables conversion on the selected channel.

Sets the input range of the specified channel.

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2
enable_conv	- The state of channel activity. Example: 0 - disable conversion on selected channel. 1 - enable conversion on selected channel.

◆ ad7156_get_range()

float ad7156_get_range	(	struct ad7156_dev *	dev,
		uint32_t	channel )

Reads the range bits from the device and returns the range in pF.

Selects the threshold mode of operation.

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2

Returns: The capacitive input range(pF).

◆ ad7156_get_register_value()

void ad7156_get_register_value	(	struct ad7156_dev *	dev,
		uint8_t *	p_read_data,
		uint8_t	register_address,
		uint8_t	bytes_number )

Performs a burst read of a specified number of registers.

Writes data into one or two registers..

Parameters

dev	- The device structure.
p_read_data	- The read values are stored in this buffer.
register_address	- The start address of the burst read.
bytes_number	- Number of bytes to read.

◆ ad7156_init()

int8_t ad7156_init	(	struct ad7156_dev **	device,
		struct ad7156_init_param	init_param )

Initializes the communication peripheral and the initial Values for AD7156 Board.

Parameters

device	- The device structure.
init_param	- The structure that contains the device initial parameters.

Returns: ret - The result of the initialization procedure. Example: -1 - I2C peripheral was not initialized or the device is not present. 0 - I2C peripheral was initialized and the device is present.

◆ ad7156_read_channel_capacitance()

float ad7156_read_channel_capacitance	(	struct ad7156_dev *	dev,
		uint8_t	channel )

Reads a sample the selected channel and converts the data to picofarads(pF).

Waits for a finished CDC conversion the selected channel, reads a sample and converts the data to picofarads(pF).

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2

Returns: Conversion result form the selected channel as picofarads(pF).

◆ ad7156_read_channel_data()

uint16_t ad7156_read_channel_data	(	struct ad7156_dev *	dev,
		uint8_t	channel )

Reads a 12-bit sample from the selected channel.

Waits for a finished CDC conversion and reads a 12-bit sample from the selected channel.

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2

Returns: Conversion result form the selected channel.

◆ ad7156_remove()

int32_t ad7156_remove ( struct ad7156_dev * dev )

Free the resources allocated by ad7156_init().

Free the resources allocated by ad7156_init(). Resets the device.

Parameters

dev	- The device structure.

Returns: ret - The result of the remove procedure.

◆ ad7156_reset()

void ad7156_reset ( struct ad7156_dev * dev )

Resets the device.

Sets the converter mode of operation.

Parameters

dev	- The device structure.

◆ ad7156_set_power_mode()

void ad7156_set_power_mode	(	struct ad7156_dev *	dev,
		uint8_t	pwr_mode )

Sets the converter mode of operation.

Enables or disables conversion on the selected channel.

Parameters

dev	- The device structure.
pwr_mode	- Mode of operation option. Example: AD7156_CONV_MODE_IDLE - Idle AD7156_CONV_MODE_CONT_CONV - Continuous conversion AD7156_CONV_MODE_SINGLE_CONV - Single conversion AD7156_CONV_MODE_PWR_DWN - Power-down

◆ ad7156_set_range()

void ad7156_set_range	(	struct ad7156_dev *	dev,
		uint32_t	channel,
		uint8_t	range )

Sets the input range of the specified channel.

Reads the range bits from the device and returns the range in pF.

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2
range	- Input range option. Example: AD7156_CDC_RANGE_2_PF - 2pF input range. AD7156_CDC_RANGE_0_5_PF - 0.5pF input range. AD7156_CDC_RANGE_1_PF - 1pF input range. AD7156_CDC_RANGE_4_PF - 4pF input range.

◆ ad7156_set_register_value()

void ad7156_set_register_value	(	struct ad7156_dev *	dev,
		uint16_t	register_value,
		uint8_t	register_address,
		uint8_t	bytes_number )

Writes data into one or two registers.

Initializes the communication peripheral and checks if the device is present.

Parameters

dev	- The device structure.
register_value	- Data value to write.
register_address	- Address of the register.
bytes_number	- Number of bytes. Accepted values: 0 - 1.

◆ ad7156_set_sensitivity()

void ad7156_set_sensitivity	(	struct ad7156_dev *	dev,
		uint8_t	channel,
		float	p_fsensitivity )

Writes a value(pF) to the sensitivity register. This functions should be used when adaptive threshold mode is selected.

Reads a 12-bit sample from the selected channel

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2
p_fsensitivity	- The sensitivity value in picofarads(pF).

◆ ad7156_set_threshold()

void ad7156_set_threshold	(	struct ad7156_dev *	dev,
		uint8_t	channel,
		float	p_fthr )

Writes to the threshold register when threshold fixed mode is enabled.

Writes a value(pF) to the sensitivity register. This functions should be used when adaptive threshold mode is selected.

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2
p_fthr	- The threshold value in picofarads(pF). The value must not be out of the selected input range.

◆ ad7156_set_threshold_mode()

void ad7156_set_threshold_mode	(	struct ad7156_dev *	dev,
		uint8_t	thr_mode,
		uint8_t	thr_fixed )

Selects the threshold mode of operation.

Writes to the threshold register when threshold fixed mode is enabled.

Parameters

dev	- The device structure.
thr_mode	- Output comparator mode. Example: AD7156_THR_MODE_NEGATIVE AD7156_THR_MODE_POSITIVE AD7156_THR_MODE_IN_WINDOW AD7156_THR_MODE_OU_WINDOW
thr_fixed	- Selects the threshold mode. Example: AD7156_ADAPTIVE_THRESHOLD AD7156_FIXED_THRESHOLD

◆ ad7156_wait_read_channel_capacitance()

float ad7156_wait_read_channel_capacitance	(	struct ad7156_dev *	dev,
		uint8_t	channel )

Waits for a finished CDC conversion the selected channel, reads a sample and converts the data to picofarads(pF).

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2

Returns: Conversion result form the selected channel as picofarads(pF).

◆ ad7156_wait_read_channel_data()

uint16_t ad7156_wait_read_channel_data	(	struct ad7156_dev *	dev,
		uint8_t	channel )

Waits for a finished CDC conversion and reads a 12-bit sample from the selected channel.

Reads a sample the selected channel and converts the data to picofarads(pF).

Parameters

dev	- The device structure.
channel	- Channel option. Example: AD7156_CHANNEL1 AD7156_CHANNEL2

Returns: Conversion result form the selected channel.

Classes

Macros

Functions

Detailed Description

Macro Definition Documentation

◆ AD7156_ADAPTIVE_THRESHOLD

◆ AD7156_ADDRESS

◆ AD7156_CDC_RANGE_0_5_PF

◆ AD7156_CDC_RANGE_1_PF

◆ AD7156_CDC_RANGE_2_PF

◆ AD7156_CDC_RANGE_4_PF

◆ AD7156_CH1_CAPDAC_DAC_AUTO1

◆ AD7156_CH1_CAPDAC_DAC_EN1

◆ AD7156_CH1_CAPDAC_DAC_VAL1

◆ AD7156_CH1_SETUP_HYST1

◆ AD7156_CH1_SETUP_RANGE

◆ AD7156_CH1_SETUP_THR1

◆ AD7156_CH2_CAPDAC_DAC_AUTO2

◆ AD7156_CH2_CAPDAC_DAC_EN2

◆ AD7156_CH2_CAPDAC_DAC_VAL2

◆ AD7156_CH2_SETUP_HYST2

◆ AD7156_CH2_SETUP_RANGE

◆ AD7156_CH2_SETUP_THR2

◆ AD7156_CHANNEL1

◆ AD7156_CHANNEL2

◆ AD7156_CONFIG_EN_CH1

◆ AD7156_CONFIG_EN_CH2

◆ AD7156_CONFIG_MD

◆ AD7156_CONFIG_THR_FIXED

◆ AD7156_CONFIG_THR_MD

◆ AD7156_CONV_MODE_CONT_CONV

◆ AD7156_CONV_MODE_IDLE

◆ AD7156_CONV_MODE_PWR_DWN

◆ AD7156_CONV_MODE_SINGLE_CONV

◆ AD7156_DEFAULT_ID

◆ AD7156_FIXED_THRESHOLD

◆ AD7156_PWR_DWN_TMR_TIMEOUT

◆ AD7156_REG_CH1_AVG_H

◆ AD7156_REG_CH1_AVG_L

◆ AD7156_REG_CH1_CAPDAC

◆ AD7156_REG_CH1_DATA_H

◆ AD7156_REG_CH1_DATA_L

◆ AD7156_REG_CH1_SENS_THRSH_H

◆ AD7156_REG_CH1_SETUP

◆ AD7156_REG_CH1_TMO_THRSH_L

◆ AD7156_REG_CH2_AVG_H

◆ AD7156_REG_CH2_AVG_L

◆ AD7156_REG_CH2_CAPDAC

◆ AD7156_REG_CH2_DATA_H

◆ AD7156_REG_CH2_DATA_L

◆ AD7156_REG_CH2_SENS_THRSH_H

◆ AD7156_REG_CH2_SETUP

◆ AD7156_REG_CH2_TMO_THRSH_L

◆ AD7156_REG_CHIP_ID

◆ AD7156_REG_CONFIG

◆ AD7156_REG_PWR_DWN_TMR

◆ AD7156_REG_SERIAL_N0

◆ AD7156_REG_SERIAL_N1

◆ AD7156_REG_SERIAL_N2

◆ AD7156_REG_SERIAL_N3

◆ AD7156_REG_STATUS

◆ AD7156_RESET_CMD

◆ AD7156_STATUS_C1_C2

◆ AD7156_STATUS_DAC_STEP1

◆ AD7156_STATUS_DAC_STEP2

◆ AD7156_STATUS_OUT1

◆ AD7156_STATUS_OUT2

◆ AD7156_STATUS_PWR_DWN

◆ AD7156_STATUS_RDY1

◆ AD7156_STATUS_RDY2

◆ AD7156_THR_MODE_IN_WINDOW

◆ AD7156_THR_MODE_NEGATIVE

◆ AD7156_THR_MODE_OU_WINDOW

◆ AD7156_THR_MODE_POSITIVE

Function Documentation

◆ ad7156_channel_state()

◆ ad7156_get_range()

◆ ad7156_get_register_value()

◆ ad7156_init()

◆ ad7156_read_channel_capacitance()