127 lines
5.0 KiB
C
127 lines
5.0 KiB
C
/*
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* Copyright (c) 2014-2016, Alex Taradov <alex@taradov.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _HAL_GPIO_H_
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#define _HAL_GPIO_H_
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/*- Definitions -------------------------------------------------------------*/
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#define HAL_GPIO_PORTA 0
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#define HAL_GPIO_PORTB 1
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#define HAL_GPIO_PORTC 2
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#define HAL_GPIO_PMUX_A 0
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#define HAL_GPIO_PMUX_B 1
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#define HAL_GPIO_PMUX_C 2
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#define HAL_GPIO_PMUX_D 3
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#define HAL_GPIO_PMUX_E 4
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#define HAL_GPIO_PMUX_F 5
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#define HAL_GPIO_PMUX_G 6
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#define HAL_GPIO_PMUX_H 7
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#define HAL_GPIO_PMUX_I 8
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#define HAL_GPIO_PIN(name, port, pin) \
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static inline void HAL_GPIO_##name##_set(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
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(void)HAL_GPIO_##name##_set; \
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} \
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\
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static inline void HAL_GPIO_##name##_clr(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << pin); \
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(void)HAL_GPIO_##name##_clr; \
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} \
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\
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static inline void HAL_GPIO_##name##_toggle(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].OUTTGL.reg = (1 << pin); \
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(void)HAL_GPIO_##name##_toggle; \
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} \
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\
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static inline void HAL_GPIO_##name##_write(int value) \
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{ \
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if (value) \
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PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
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else \
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PORT->Group[HAL_GPIO_PORT##port].OUTCLR.reg = (1 << pin); \
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(void)HAL_GPIO_##name##_write; \
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} \
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\
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static inline void HAL_GPIO_##name##_in(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].DIRCLR.reg = (1 << pin); \
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PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_INEN; \
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PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~PORT_PINCFG_PULLEN; \
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(void)HAL_GPIO_##name##_in; \
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} \
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\
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static inline void HAL_GPIO_##name##_out(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].DIRSET.reg = (1 << pin); \
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PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_INEN; \
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(void)HAL_GPIO_##name##_out; \
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} \
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\
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static inline void HAL_GPIO_##name##_pullup(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].OUTSET.reg = (1 << pin); \
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PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_PULLEN; \
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(void)HAL_GPIO_##name##_pullup; \
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} \
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\
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static inline int HAL_GPIO_##name##_read(void) \
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{ \
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return (PORT->Group[HAL_GPIO_PORT##port].IN.reg & (1 << pin)) != 0; \
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(void)HAL_GPIO_##name##_read; \
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} \
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\
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static inline int HAL_GPIO_##name##_state(void) \
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{ \
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return (PORT->Group[HAL_GPIO_PORT##port].DIR.reg & (1 << pin)) != 0; \
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(void)HAL_GPIO_##name##_state; \
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} \
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\
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static inline void HAL_GPIO_##name##_pmuxen(int mux) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg |= PORT_PINCFG_PMUXEN; \
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if (pin & 1) \
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PORT->Group[HAL_GPIO_PORT##port].PMUX[pin>>1].bit.PMUXO = mux; \
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else \
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PORT->Group[HAL_GPIO_PORT##port].PMUX[pin>>1].bit.PMUXE = mux; \
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(void)HAL_GPIO_##name##_pmuxen; \
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} \
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\
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static inline void HAL_GPIO_##name##_pmuxdis(void) \
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{ \
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PORT->Group[HAL_GPIO_PORT##port].PINCFG[pin].reg &= ~PORT_PINCFG_PMUXEN; \
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(void)HAL_GPIO_##name##_pmuxdis; \
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} \
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#endif // _HAL_GPIO_H_
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