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/*******************************************************************************
* Copyright (C) 2015 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;
} 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(PinName name, PinDirection direction);
static inline int gpio_is_connected(const gpio_t *obj) {
return obj->name != (PinName)NC;
}
#ifdef __cplusplus
}
#endif
#endif
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