mma7660.h

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/*
 * Author: Jon Trulson <jtrulson@ics.com>
 * Copyright (c) 2016 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 <stdio.h>
#include <upm.h>

#include <mraa/i2c.h>
#include <mraa/gpio.h>

#include <mma7660_regs.h>

#ifdef __cplusplus
extern "C" {
#endif

    typedef struct _mma7660_context {
        mraa_i2c_context  i2c;
        mraa_gpio_context gpio;

        bool              isrInstalled;
    } *mma7660_context;

    mma7660_context mma7660_init(int bus, uint8_t address);

    void mma7660_close(mma7660_context dev);

    upm_result_t mma7660_write_byte(const mma7660_context dev,
                                    uint8_t reg, uint8_t byte);

    upm_result_t mma7660_read_byte(const mma7660_context dev, uint8_t reg,
                                   uint8_t *byte);

    upm_result_t mma7660_get_raw_values(const mma7660_context dev,
                                        int *x, int *y, int *z);

    upm_result_t mma7660_get_acceleration(const mma7660_context dev,
                                          float *ax, float *ay, float *az);

    upm_result_t mma7660_get_verified_axis(const mma7660_context dev,
                                           MMA7660_REG_T axis, int *val);

    upm_result_t mma7660_get_verified_tilt(const mma7660_context dev,
                                           uint8_t *val);

    upm_result_t mma7660_set_mode_active(const mma7660_context dev);

    upm_result_t mma7660_set_mode_standby(const mma7660_context dev);

    upm_result_t mma7660_tilt_back_front(const mma7660_context dev,
                                         uint8_t *bits);

    upm_result_t mma7660_tilt_landscape_portrait(const mma7660_context dev,
                                                 uint8_t *bits);

    upm_result_t mma7660_tilt_tap(const mma7660_context dev, bool *tap);

    upm_result_t mma7660_tilt_shake(const mma7660_context dev, bool *shake);

    upm_result_t mma7660_install_isr(const mma7660_context dev, int pin,
                                     void (*isr)(void *), void *arg);

    void mma7660_uninstall_isr(const mma7660_context dev);

    upm_result_t mma7660_set_interrupt_bits(const mma7660_context dev,
                                            uint8_t ibits);

    upm_result_t mma7660_set_sample_rate(const mma7660_context dev,
                                         MMA7660_AUTOSLEEP_T sr);

#ifdef __cplusplus
}
#endif