92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
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/*
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* Author: Abhishek Malik <abhishek.malik@intel.com>
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* Copyright (c) 2017 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include "upm.h"
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#include "mraa/i2c.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ABPDRRT005PG2A5_ADDRESS 0x28
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#define OUTPUT_10_PERCENT_COUNT 1638
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#define OUTPUT_90_PERCENT_COUNT 14746
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#define ABPDRRT005PG2A5_PRESSURE_MAX 5
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#define ABPDRRT005PG2A5_PRESSURE_MIN 0
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/**
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* @file abpdrrt005pg2a5.h
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* @library abpdrrt005pg2a5
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* @brief C API for the ABPDRRT005PG2A5 Honeywell Pressure Sensor
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*
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* @include abpdrrt005pg2a5.c
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*/
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typedef struct _abpdrrt005pg2a5_context {
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mraa_i2c_context i2c;
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uint8_t i2c_bus_number;
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uint8_t address;
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} *abpdrrt005pg2a5_context;
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/**
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* ABPDRRT005PG2A5 Initialization function
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*
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* @param bus I2C bus to use
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* @return device context pointer
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*/
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abpdrrt005pg2a5_context abpdrrt005pg2a5_init(uint8_t bus, uint8_t dev_address);
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/**
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* ABPDRRT005PG2A5 Close function
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*
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* @param dev abpdrrt005pg2a5_context pointer
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*/
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void abpdrrt005pg2a5_close(abpdrrt005pg2a5_context dev);
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/**
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* Function to get the pressure in psi
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* The datasheet provides a way to calculate the pressure
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* in psi.
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*
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* @return upm_result_t UPM success/error code
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*/
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upm_result_t abpdrrt005pg2a5_get_pressure_psi(abpdrrt005pg2a5_context dev, float* pressure_psi);
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/**
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* Function to get the pressure in pascal
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* This is calculated using a conversion function.
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*
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* @return upm_result_t UPM success/error code
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*/
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upm_result_t abpdrrt005pg2a5_get_pressure_pascal(abpdrrt005pg2a5_context dev, float* pressure_pascal);
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#ifdef __cplusplus
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}
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#endif
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