abpdrrt005pg2a5.h File Reference

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API Description

/*
 * Author: Abhishek Malik <abhishek.malik@intel.com>
 * Copyright (c) 2017 Intel Corporation.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include "abpdrrt005pg2a5.h"

#include "upm_utilities.h"

int main()
{
    abpdrrt005pg2a5_context dev = abpdrrt005pg2a5_init(0, ABPDRRT005PG2A5_ADDRESS);
    if(dev == NULL) {
        printf("Unable to initialize sensor\n");
        return 0;
    }
    float psi = 0;
    float pascal = 0;
    while(1){
        if(abpdrrt005pg2a5_get_pressure_psi(dev, &psi) != UPM_SUCCESS){
            printf("error in retrieving the psi value\n");
        }
        if(abpdrrt005pg2a5_get_pressure_pascal(dev, &pascal) != UPM_SUCCESS){
            printf("error in retrieving the pascal value\n");
        }
        upm_delay(1);
        printf("PSI Value: %f and Pascal Value: %f\n", psi, pascal);
    }

    return 0;
}

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Data Structures
struct	_abpdrrt005pg2a5_context

Functions
abpdrrt005pg2a5_context	abpdrrt005pg2a5_init (uint8_t bus, uint8_t dev_address)
void	abpdrrt005pg2a5_close (abpdrrt005pg2a5_context dev)
upm_result_t	abpdrrt005pg2a5_get_pressure_psi (abpdrrt005pg2a5_context dev, float *pressure_psi)
upm_result_t	abpdrrt005pg2a5_get_pressure_pascal (abpdrrt005pg2a5_context dev, float *pressure_pascal)

Macros
#define	ABPDRRT005PG2A5_ADDRESS   0x28
#define	OUTPUT_10_PERCENT_COUNT   1638
#define	OUTPUT_90_PERCENT_COUNT   14746
#define	ABPDRRT005PG2A5_PRESSURE_MAX   5
#define	ABPDRRT005PG2A5_PRESSURE_MIN   0

Typedefs
typedef struct _abpdrrt005pg2a5_context *	abpdrrt005pg2a5_context

Function Documentation

abpdrrt005pg2a5_context abpdrrt005pg2a5_init	(	uint8_t	bus,
		uint8_t	dev_address
	)

ABPDRRT005PG2A5 Initialization function

Parameters

bus	I2C bus to use

Returns

device context pointer

void abpdrrt005pg2a5_close

(

abpdrrt005pg2a5_context

dev

)

ABPDRRT005PG2A5 Close function

Parameters

dev	abpdrrt005pg2a5_context pointer

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upm_result_t abpdrrt005pg2a5_get_pressure_psi	(	abpdrrt005pg2a5_context	dev,
		float *	pressure_psi
	)

Function to get the pressure in psi The datasheet provides a way to calculate the pressure in psi.

Returns

upm_result_t UPM success/error code

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upm_result_t abpdrrt005pg2a5_get_pressure_pascal	(	abpdrrt005pg2a5_context	dev,
		float *	pressure_pascal
	)

Function to get the pressure in pascal This is calculated using a conversion function.

Returns

upm_result_t UPM success/error code

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