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58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
/*
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* common_macros.h - common usable things
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*
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* Copyright 2018 Edward V. Emelianoff <eddy@sao.ru, edward.emelianoff@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#pragma once
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#ifndef __COMMON_MACROS_H__
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#define __COMMON_MACROS_H__
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#include <stdint.h>
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#ifndef TRUE_INLINE
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#define TRUE_INLINE __attribute__((always_inline)) static inline
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#endif
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#ifndef NULL
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#define NULL (0)
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#endif
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// some good things from CMSIS
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#define nop() __NOP()
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#define pin_toggle(gpioport, gpios) do{ \
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register uint32_t __port = gpioport->ODR; \
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gpioport->BSRR = ((__port & (gpios)) << 16) | (~__port & (gpios));}while(0)
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#define pin_set(gpioport, gpios) do{gpioport->BSRR = gpios;}while(0)
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#define pin_clear(gpioport, gpios) do{gpioport->BSRR = ((gpios) << 16);}while(0)
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#define pin_read(gpioport, gpios) (gpioport->IDR & (gpios) ? 1 : 0)
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#define pin_write(gpioport, gpios) do{gpioport->ODR = gpios;}while(0)
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#endif // __COMMON_MACROS_H__
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