ad8232.h File Reference

Include dependency graph for ad8232.h:

API Description

Go to the source code of this file.

Data Structures
struct	_ad8232_context

Functions
ad8232_context	ad8232_init (int lo_plus, int lo_minus, int output, float a_ref)
void	ad8232_close (ad8232_context dev)
upm_result_t	ad8232_get_value (ad8232_context dev, int *value)

Macros
#define	AD8232_DEFAULT_AREF   3.3

Typedefs
typedef struct _ad8232_context *	ad8232_context

Function Documentation

ad8232_context ad8232_init	(	int	lo_plus,
		int	lo_minus,
		int	output,
		float	a_ref
	)

Sensor init function

Parameters

lo_plus	Digital pin to use for LO+
lo_minus	Digital pin to use for LO-
output	Analog pin to read the data
a_ref	Analog voltage reference

void ad8232_close

(

ad8232_context

dev

)

Sensor destructor

upm_result_t ad8232_get_value	(	ad8232_context	dev,
		int *	value
	)

Returns the current ADC value for the device output pin. If an LO (leads off) event is detected, 0 is returned.

Parameters

dev	sensor context pointer
value	ADC value

Returns

result status code

Typedef Documentation

typedef struct _ad8232_context * ad8232_context

device context