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/*
* Copyright (c) 2014-2016, Alex Taradov <alex@taradov.com>
* All rights reserved.
*
* 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 the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
#ifndef _HAL_GPIO_H_
#define _HAL_GPIO_H_
/*- Definitions -------------------------------------------------------------*/
#define HAL_GPIO_PORTA 0
#define HAL_GPIO_PORTB 1
#define HAL_GPIO_PORTC 2
#define HAL_GPIO_PMUX_A 0
#define HAL_GPIO_PMUX_B 1
#define HAL_GPIO_PMUX_C 2
#define HAL_GPIO_PMUX_D 3
#define HAL_GPIO_PMUX_E 4
#define HAL_GPIO_PMUX_F 5
#define HAL_GPIO_PMUX_G 6
#define HAL_GPIO_PMUX_H 7
#define HAL_GPIO_PMUX_I 8
#define HAL_GPIO_PIN(name, port, pin) \
static inline void HAL_GPIO_##name##_set(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
(void)HAL_GPIO_##name##_set; \
} \
\
static inline void HAL_GPIO_##name##_clr(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << pin); \
(void)HAL_GPIO_##name##_clr; \
} \
\
static inline void HAL_GPIO_##name##_toggle(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].OUTTGL.reg = (1 << pin); \
(void)HAL_GPIO_##name##_toggle; \
} \
\
static inline void HAL_GPIO_##name##_write(int value) \
{ \
if (value) \
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
else \
PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << pin); \
(void)HAL_GPIO_##name##_write; \
} \
\
static inline void HAL_GPIO_##name##_in(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].DIRCLR.reg = (1 << pin); \
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_INEN; \
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~PORT_PINCFG_PULLEN; \
(void)HAL_GPIO_##name##_in; \
} \
\
static inline void HAL_GPIO_##name##_out(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].DIRSET.reg = (1 << pin); \
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_INEN; \
(void)HAL_GPIO_##name##_out; \
} \
\
static inline void HAL_GPIO_##name##_pullup(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_PULLEN; \
(void)HAL_GPIO_##name##_pullup; \
} \
\
static inline int HAL_GPIO_##name##_read(void) \
{ \
return (PORT->Group[HAL_GPIO_PORT##port].IN.reg & (1 << pin)) != 0; \
(void)HAL_GPIO_##name##_read; \
} \
\
static inline int HAL_GPIO_##name##_state(void) \
{ \
return (PORT->Group[HAL_GPIO_PORT##port].DIR.reg & (1 << pin)) != 0; \
(void)HAL_GPIO_##name##_state; \
} \
\
static inline void HAL_GPIO_##name##_pmuxen(int mux) \
{ \
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_PMUXEN; \
if (pin & 1) \
PORT->Group[HAL_GPIO_PORT##port].PMUX[pin>>1].bit.PMUXO = mux; \
else \
PORT->Group[HAL_GPIO_PORT##port].PMUX[pin>>1].bit.PMUXE = mux; \
(void)HAL_GPIO_##name##_pmuxen; \
} \
\
static inline void HAL_GPIO_##name##_pmuxdis(void) \
{ \
PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~PORT_PINCFG_PMUXEN; \
(void)HAL_GPIO_##name##_pmuxdis; \
} \
#endif // _HAL_GPIO_H_
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