/*******************************************************************************
 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
 *
 * 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 MAXIM INTEGRATED 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.
 *
 * Except as contained in this notice, the name of Maxim Integrated
 * Products, Inc. shall not be used except as stated in the Maxim Integrated
 * Products, Inc. Branding Policy.
 *
 * The mere transfer of this software does not imply any licenses
 * of trade secrets, proprietary technology, copyrights, patents,
 * trademarks, maskwork rights, or any other form of intellectual
 * property whatsoever. Maxim Integrated Products, Inc. retains all
 * ownership rights.
 *******************************************************************************
 */

#ifndef MBED_GPIO_OBJECT_H
#define MBED_GPIO_OBJECT_H

#include "mbed_assert.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
    PinName name;
    __IO uint32_t *reg_out;
    __I  uint32_t *reg_in;
    PinMode mode;
} gpio_t;

static inline void gpio_write(gpio_t *obj, int value)
{
    MBED_ASSERT(obj->name != (PinName)NC);
    *obj->reg_out = !!value;
}

static inline int gpio_read(gpio_t *obj)
{
    MBED_ASSERT(obj->name != (PinName)NC);
    return *obj->reg_in;
}

void pin_dir_mode(PinName name, PinDirection direction, PinMode mode);

static inline int gpio_is_connected(const gpio_t *obj)
{
    return obj->name != (PinName)NC;
}

#ifdef __cplusplus
}
#endif

#endif

