a110x.h File Reference

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API Description

//Modified: Abhishek Malik <abhishek.malik@intel.com>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "a110x.h"

#include "upm_utilities.h"

int main()
{
    a110x_context dev = a110x_init(2);
    bool abc = 0;
    while(1){
        if(a110x_magnet_detected(dev, &abc) != UPM_SUCCESS){
            printf("an error has occurred\n");
        }
        upm_delay(1);
        printf("value retrieved: %d\n", abc);
    }

    return 0;
}

Go to the source code of this file.

Data Structures
struct	_a110x_context

Functions
a110x_context	a110x_init (int pin)
void	a110x_close (a110x_context dev)
upm_result_t	a110x_magnet_detected (a110x_context dev, bool *res)
upm_result_t	a110x_install_isr (a110x_context dev, mraa_gpio_edge_t edge_level, void(*isr)(void *), void *arg)
upm_result_t	a110x_uninstall_isr (a110x_context dev)

Typedefs
typedef struct _a110x_context *	a110x_context

Function Documentation

a110x_context a110x_init

(

int

pin

)

A110X Initialization function

Parameters

pin	GPIO pin to use

Returns

device context pointer

void a110x_close

(

a110x_context

dev

)

A110X Initialization function

Parameters

dev	a110x_context pointer

upm_result_t a110x_magnet_detected	(	a110x_context	dev,
		bool *	res
	)

Determines whether a magnetic field of south polarity has been detected

Parameters

dev	a110x_context pointer
bool*	to note the response

Returns

upm_result_t UPM success/error code

upm_result_t a110x_install_isr	(	a110x_context	dev,
		mraa_gpio_edge_t	edge_level,
		void(*)(void *)	isr,
		void *	arg
	)

Installs an interrupt service routine (ISR) to be called when the appropriate magnetic field is detected

Parameters

dev	a110x_context pointer
mraa_gpio_edge_t	edge trigger level
isr	ISR callback function

Returns

upm_result_t UPM success/error code

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upm_result_t a110x_uninstall_isr

(

a110x_context

dev

)

Uninstalls the previously installed ISR

Parameters

dev	a110x_context pointer

Returns

upm_result_t UPM success/error code

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Typedef Documentation

typedef struct _a110x_context * a110x_context

device context