105 lines
3.8 KiB
C
Executable File
105 lines
3.8 KiB
C
Executable File
/**
|
|
* \file halGpio.h
|
|
*
|
|
* \brief ATSAMD21 GPIO interface
|
|
*
|
|
* Copyright (C) 2012-2014, Atmel Corporation. All rights reserved.
|
|
*
|
|
* \asf_license_start
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* 3. The name of Atmel may not be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* 4. This software may only be redistributed and used in connection with an
|
|
* Atmel microcontroller product.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
|
|
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* \asf_license_stop
|
|
*
|
|
* Modification and other use of this code is subject to Atmel's Limited
|
|
* License Agreement (license.txt).
|
|
*
|
|
* $Id: halGpio.h 9267 2014-03-18 21:46:19Z ataradov $
|
|
*
|
|
*/
|
|
|
|
#ifndef _HAL_GPIO_H_
|
|
#define _HAL_GPIO_H_
|
|
|
|
/*- Includes ---------------------------------------------------------------*/
|
|
#include "sysTypes.h"
|
|
|
|
/*- Definitions ------------------------------------------------------------*/
|
|
#define HAL_GPIO_PORTA 0
|
|
#define HAL_GPIO_PORTB 1
|
|
#define HAL_GPIO_PORTC 2
|
|
|
|
#define HAL_GPIO_PIN(name, port, bit) \
|
|
INLINE void HAL_GPIO_##name##_set(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << bit); \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_clr(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << bit); \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_toggle(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].OUTTGL.reg = (1 << bit); \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_in(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].DIRCLR.reg = (1 << bit); \
|
|
PORT->Group[HAL_GPIO_PORT##port].PINCFG[bit].reg |= PORT_PINCFG_INEN; \
|
|
PORT->Group[HAL_GPIO_PORT##port].PINCFG[bit].reg &= ~PORT_PINCFG_PULLEN; \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_out(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].DIRSET.reg = (1 << bit); \
|
|
PORT->Group[HAL_GPIO_PORT##port].PINCFG[bit].reg |= PORT_PINCFG_INEN; \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_pullup(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << bit); \
|
|
PORT->Group[HAL_GPIO_PORT##port].PINCFG[bit].reg |= PORT_PINCFG_PULLEN; \
|
|
} \
|
|
INLINE uint8_t HAL_GPIO_##name##_read(void) \
|
|
{ \
|
|
return (PORT->Group[HAL_GPIO_PORT##port].IN.reg & (1 << bit)) != 0; \
|
|
} \
|
|
INLINE uint8_t HAL_GPIO_##name##_state(void) \
|
|
{ \
|
|
return (PORT->Group[HAL_GPIO_PORT##port].DIR.reg & (1 << bit)) != 0; \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_pmuxen(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].PINCFG[bit].reg |= PORT_PINCFG_PMUXEN; \
|
|
} \
|
|
INLINE void HAL_GPIO_##name##_pmuxdis(void) \
|
|
{ \
|
|
PORT->Group[HAL_GPIO_PORT##port].PINCFG[bit].reg &= ~PORT_PINCFG_PMUXEN; \
|
|
}
|
|
|
|
#endif // _HAL_GPIO_H_
|