Collaboration diagram for TI ADS1015: Interface functions:

Classes
struct	i2c_ads1015_options

Macros
#define	I2C_ADS1015_DEFAULTS {.scale = 1.0, .offset=0.0, .min=-INFINITY, .max=INFINITY}

Functions
uint16_t	i2c_ads1015_read_configuration (const int busHandle, const int devAddr)
	Read configuration from device. More...

float	i2c_ads1015_read_mux (const int busHandle, const int devAddr, const uint16_t mux, const i2c_ads1015_options *opts)
	Generic ADS1015 read function. More...

float	i2c_ads1015_pga_to_scale_factor (const uint16_t config)
	Get number of millivolts represented by LSB at a given PGA value. More...

float	i2c_ads1015_read_ch0 (const int busHandle, const int devAddr, const void *opts)
	Get single-ended voltage measurement from channel 0. More...

float	i2c_ads1015_read_ch1 (const int busHandle, const int devAddr, const void *opts)
	Get single-ended voltage measurement from channel 1. More...

float	i2c_ads1015_read_ch2 (const int busHandle, const int devAddr, const void *opts)
	Get single-ended voltage measurement from channel 2. More...

float	i2c_ads1015_read_ch3 (const int busHandle, const int devAddr, const void *opts)
	Get single-ended voltage measurement from channel 3. More...

float	i2c_ads1015_read_diff_ch0_ch1 (const int busHandle, const int devAddr, const void *opts)
	Get differential voltage measurement between channels 0 and 1. More...

float	i2c_ads1015_read_diff_ch0_ch3 (const int busHandle, const int devAddr, const void *opts)
	Get differential voltage measurement between channels 0 and 3. More...

float	i2c_ads1015_read_diff_ch1_ch3 (const int busHandle, const int devAddr, const void *opts)
	Get differential voltage measurement between channels 1 and 3. More...

float	i2c_ads1015_read_diff_ch2_ch3 (const int busHandle, const int devAddr, const void *opts)
	Get differential voltage measurement between channels 2 and 3. More...

Detailed Description

Function Documentation

◆ i2c_ads1015_pga_to_scale_factor()

float i2c_ads1015_pga_to_scale_factor ( const uint16_t config )

Get number of millivolts represented by LSB at a given PGA value.

Convert PGA setting (or extract it from a 16bit configuration word) and return the value of the least significant bit in millivolts.

Parameters

[in] config Configuration word or ADS1015_CONFIG_PGA_ constant

Returns: LSB value in millivolts

Definition at line 55 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_ch0()

float i2c_ads1015_read_ch0	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get single-ended voltage measurement from channel 0.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 163 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_ch1()

float i2c_ads1015_read_ch1	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get single-ended voltage measurement from channel 1.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 177 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_ch2()

float i2c_ads1015_read_ch2	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get single-ended voltage measurement from channel 2.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 191 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_ch3()

float i2c_ads1015_read_ch3	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get single-ended voltage measurement from channel 3.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 206 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_configuration()

uint16_t i2c_ads1015_read_configuration	(	const int	busHandle,
		const int	devAddr
	)

Read configuration from device.

Connect to specified device address and read configuration

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 sensor

Returns: configuration word

Definition at line 40 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_diff_ch0_ch1()

float i2c_ads1015_read_diff_ch0_ch1	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get differential voltage measurement between channels 0 and 1.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 220 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_diff_ch0_ch3()

float i2c_ads1015_read_diff_ch0_ch3	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get differential voltage measurement between channels 0 and 3.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 234 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_diff_ch1_ch3()

float i2c_ads1015_read_diff_ch1_ch3	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get differential voltage measurement between channels 1 and 3.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 248 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_diff_ch2_ch3()

float i2c_ads1015_read_diff_ch2_ch3	(	const int	busHandle,
		const int	devAddr,
		const void *	opts
	)

Get differential voltage measurement between channels 2 and 3.

Wrapper around i2c_ads1015_read_mux()

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 ADC
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: ADC voltage in millivolts, or NAN on error

Definition at line 262 of file I2C-ADS1015.c.

◆ i2c_ads1015_read_mux()

float i2c_ads1015_read_mux	(	const int	busHandle,
		const int	devAddr,
		const uint16_t	mux,
		const i2c_ads1015_options *	opts
	)

Generic ADS1015 read function.

Perform a single shot conversion on an ADS1015 device using provided mux and pga values.

mux and pga parameters will be masked before use.

Parameters

[in]	busHandle	Handle from i2c_openConnection()
[in]	devAddr	I2C Address for an ADS1015 sensor
[in]	mux	ADS1015_CONFIG_MUX_ constant to select measurement to be performed
[in]	opts	Pointer to i2c_ads1015_options structure

Returns: MUX voltage value

Definition at line 91 of file I2C-ADS1015.c.

Classes

Macros

Functions

Detailed Description

Function Documentation

◆ i2c_ads1015_pga_to_scale_factor()

◆ i2c_ads1015_read_ch0()

◆ i2c_ads1015_read_ch1()

◆ i2c_ads1015_read_ch2()

◆ i2c_ads1015_read_ch3()

◆ i2c_ads1015_read_configuration()

◆ i2c_ads1015_read_diff_ch0_ch1()

◆ i2c_ads1015_read_diff_ch0_ch3()

◆ i2c_ads1015_read_diff_ch1_ch3()

◆ i2c_ads1015_read_diff_ch2_ch3()

◆ i2c_ads1015_read_mux()