74 lines
2.5 KiB
C
74 lines
2.5 KiB
C
/*
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* Copyright (C) 2011-2012, Freescale Semiconductor, Inc. All Rights Reserved
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* THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
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* BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
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* Freescale Semiconductor, Inc.
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*/
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/*!
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* @file functions.h
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* @brief This header file contains functions info.
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*
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*/
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#ifndef FUNCTIONS_H
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#define FUNCTIONS_H
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//----------------------------------------------------------------------
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// Some Genaral Macros
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//----------------------------------------------------------------------
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//#define FALSE 0
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//#define TRUE 1
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#define DUMMY_INFO 0xf00f00
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#define reg8_read(addr) *((BYTE *)(addr))
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#define reg16_read(addr) *((HALF *)(addr))
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#define reg32_read(addr) *(WORD *)((addr))
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#define reg32_read_bit(addr,bitpos) (reg32_read(addr) & (1<<(bitpos)))
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#define reg8_write(addr,val) *((BYTE *)(addr)) = (val)
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#define reg16_write(addr,val) *((HALF *)(addr)) = (val)
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#define reg32_write(addr,val) *((WORD *)(addr)) = (val)
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#define mem8_read(addr) *((BYTE *)(addr))
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#define mem16_read(addr) *((HALF *)(addr))
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#define mem32_read(addr) *(WORD *)((addr))
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#define mem8_write(addr,val) *((BYTE *)(addr)) = (val)
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#define mem16_write(addr,val) *((HALF *)(addr)) = (val)
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#define mem32_write(addr,val) *((WORD *)(addr)) = (val)
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#define reg8setbit(addr,bitpos) \
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reg8_write((addr),(reg8_read((addr)) | (1<<(bitpos))))
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#define reg16setbit(addr,bitpos) \
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reg16_write((addr),(reg16_read((addr)) | (1<<(bitpos))))
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#define reg32setbit(addr,bitpos) \
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reg32_write((addr),(reg32_read((addr)) | (1<<(bitpos))))
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#define reg8clrbit(addr,bitpos) \
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reg8_write((addr),(reg8_read((addr)) & (0xFF ^ (1<<(bitpos)))))
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#define reg16clrbit(addr,bitpos) \
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reg16_write((addr),(reg16_read((addr)) & (0xFFFF ^ (1<<(bitpos)))))
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#define reg32clrbit(addr,bitpos) \
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reg32_write((addr),(reg32_read((addr)) & (0xFFFFFFFF ^ (1<<(bitpos)))))
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// ##### EXPORTED TYPE DEFINITIONS ################################################# {{{1
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typedef volatile unsigned long WORD;
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typedef volatile unsigned short HALF;
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typedef volatile unsigned char BYTE;
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//----------------------------------------------------------------------
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// Write With Mask (write only certain bits)
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//----------------------------------------------------------------------
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void reg8_write_mask(WORD addr, BYTE wdata, BYTE mask);
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void reg16_write_mask(WORD addr, HALF wdata, HALF mask);
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void reg32_write_mask(WORD addr, WORD wdata, WORD mask);
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#endif //FUNCTIONS_H
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