115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBOPENCM3_CM3_COMMON_H
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#define LIBOPENCM3_CM3_COMMON_H
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#ifdef __cplusplus
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/* Declarations need wrapping for C++ */
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# define BEGIN_DECLS extern "C" {
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# define END_DECLS }
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#elif defined(__ASSEMBLER__)
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/* skipping for assembly */
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#define BEGIN_DECLS .if 0
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#define END_DECLS .endif
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#else
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/* And nothing for C */
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# define BEGIN_DECLS
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# define END_DECLS
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#endif
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/* Full-featured deprecation attribute with fallback for older compilers. */
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#ifdef __GNUC__
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# if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 4)
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# define LIBOPENCM3_DEPRECATED(x) __attribute__((deprecated(x)))
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# else
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# define LIBOPENCM3_DEPRECATED(x) __attribute__((deprecated))
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# endif
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#else
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# define LIBOPENCM3_DEPRECATED(x)
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#endif
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#if defined (__ASSEMBLER__)
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#define MMIO8(addr) (addr)
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#define MMIO16(addr) (addr)
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#define MMIO32(addr) (addr)
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#define MMIO64(addr) (addr)
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#define BBIO_SRAM(addr, bit) \
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(((addr) & 0x0FFFFF) * 32 + 0x22000000 + (bit) * 4)
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#define BBIO_PERIPH(addr, bit) \
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(((addr) & 0x0FFFFF) * 32 + 0x42000000 + (bit) * 4)
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#else
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#include <stdint.h>
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#include <stdbool.h>
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/* Generic memory-mapped I/O accessor functions */
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#define MMIO8(addr) (*(volatile uint8_t *)(addr))
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#define MMIO16(addr) (*(volatile uint16_t *)(addr))
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#define MMIO32(addr) (*(volatile uint32_t *)(addr))
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#define MMIO64(addr) (*(volatile uint64_t *)(addr))
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/* Generic bit-band I/O accessor functions */
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#define BBIO_SRAM(addr, bit) \
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MMIO32((((uint32_t)addr) & 0x0FFFFF) * 32 + 0x22000000 + (bit) * 4)
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#define BBIO_PERIPH(addr, bit) \
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MMIO32((((uint32_t)addr) & 0x0FFFFF) * 32 + 0x42000000 + (bit) * 4)
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#endif
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/* Generic bit definition */
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#define BIT0 (1<<0)
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#define BIT1 (1<<1)
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#define BIT2 (1<<2)
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#define BIT3 (1<<3)
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#define BIT4 (1<<4)
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#define BIT5 (1<<5)
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#define BIT6 (1<<6)
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#define BIT7 (1<<7)
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#define BIT8 (1<<8)
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#define BIT9 (1<<9)
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#define BIT10 (1<<10)
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#define BIT11 (1<<11)
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#define BIT12 (1<<12)
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#define BIT13 (1<<13)
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#define BIT14 (1<<14)
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#define BIT15 (1<<15)
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#define BIT16 (1<<16)
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#define BIT17 (1<<17)
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#define BIT18 (1<<18)
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#define BIT19 (1<<19)
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#define BIT20 (1<<20)
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#define BIT21 (1<<21)
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#define BIT22 (1<<22)
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#define BIT23 (1<<23)
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#define BIT24 (1<<24)
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#define BIT25 (1<<25)
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#define BIT26 (1<<26)
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#define BIT27 (1<<27)
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#define BIT28 (1<<28)
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#define BIT29 (1<<29)
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#define BIT30 (1<<30)
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#define BIT31 (1<<31)
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#endif
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