rsc.h

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/*
 * 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.
 */

#pragma once

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

#include "upm.h"
#include "mraa/spi.h"
#include "mraa/gpio.h"

#ifdef __cplusplus
extern "C" {
#endif

#include "rsc_regs.h"
typedef struct _rsc_context {
    mraa_spi_context       spi;
    mraa_gpio_context      cs_ee;
    mraa_gpio_context      cs_adc;
    int                    spi_bus_number;
    float                  coeff_matrix[RSC_COEFF_T_ROW_NO][RSC_COEFF_T_COL_NO];
    PRESSURE_U             unit;
    PRESSURE_T             type;
    float                  pressure_range;
    float                  min_pressure_val;
    RSC_DATA_RATE          data_rate;
    RSC_MODE               mode;
    uint16_t               t_raw;
} *rsc_context;

rsc_context rsc_init(int bus, int cs_ee_pin, int cs_adc_pin);

upm_result_t rsc_close(rsc_context dev);

upm_result_t rsc_get_sensor_name(rsc_context dev, uint8_t* sensor_name);

upm_result_t rsc_get_sensor_serial_number(rsc_context dev, uint8_t* rsc_number);

float rsc_get_pressure_range(rsc_context dev);

float rsc_get_minimum_pressure(rsc_context dev);

PRESSURE_U rsc_get_pressure_unit(rsc_context dev);

PRESSURE_T rsc_get_pressure_type(rsc_context dev);

upm_result_t rsc_get_initial_adc_values(rsc_context dev, uint8_t* adc_init_values);

upm_result_t rsc_retrieve_coefficients(rsc_context dev);

upm_result_t rsc_setup_adc(rsc_context dev, uint8_t* adc_init_values);

float rsc_get_temperature(rsc_context dev);

float rsc_get_pressure(rsc_context dev);

upm_result_t rsc_set_mode(rsc_context dev, RSC_MODE mode);

upm_result_t rsc_set_data_rate(rsc_context dev, RSC_DATA_RATE dr);

#ifdef __cplusplus
}
#endif