AMiRo-OS

/*

AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.

Copyright (C) 2016..2019  Thomas Schöpping et al.

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU Lesser General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License

along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

/**

 * @file    alld_button.h

 * @brief   Button macros and structures.

 *

 * @addtogroup lld_button

 * @{

 */

#ifndef AMIROLLD_BUTTON_H

#define AMIROLLD_BUTTON_H

#include <amiro-lld.h>

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/* CONSTANTS                                                                  */

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/* SETTINGS                                                                   */

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/* CHECKS                                                                     */

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/* DATA STRUCTURES AND TYPES                                                  */

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/**

 * @brief Button driver data structure.

 */

typedef struct {

  const apalControlGpio_t* gpio;  /**< @brief The identifier of the GPIO.  */

} ButtonDriver;

/**

 * @brief The state of the button.

 */

typedef enum {

  BUTTON_LLD_STATE_RELEASED = 0x00,   /**< 'released' state of the button */

  BUTTON_LLD_STATE_PRESSED  = 0x01,   /**< 'pressed' state of the button */

} button_lld_state_t;

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/* MACROS                                                                     */

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/* EXTERN DECLARATIONS                                                        */

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#ifdef __cplusplus

extern "C" {

#endif

  apalExitStatus_t button_lld_get(const ButtonDriver* const button, button_lld_state_t* const state);

#ifdef __cplusplus

}

#endif

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/* INLINE FUNCTIONS                                                           */

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#endif /* AMIROLLD_BUTTON_H */

/** @} */