hcc_types.h

USB 通信,使用的是Freescale公司的CMX协议栈

/****************************************************************************
 *
 *            Copyright (c) 2006 by CMX Systems, Inc.
 *
 * This software is copyrighted by and is the sole property of
 * CMX.  All rights, title, ownership, or other interests
 * in the software remain the property of CMX.  This
 * software may only be used in accordance with the corresponding
 * license agreement.  Any unauthorized use, duplication, transmission,
 * distribution, or disclosure of this software is expressly forbidden.
 *
 * This Copyright notice may not be removed or modified without prior
 * written consent of CMX.
 *
 * CMX reserves the right to modify this software without notice.
 *
 * CMX Systems, Inc.
 * 12276 San Jose Blvd. #511
 * Jacksonville, FL 32223
 * USA
 *
 * Tel:  [phone]
 * Fax:  [phone]
 * http: www.cmx.com
 * email: [e-mail]
 *
 ***************************************************************************/
#ifndef _CMX_TYPES_H_
#define _CMX_TYPES_H_

/* Type definitions */
typedef unsigned char hcc_u8;
typedef unsigned short hcc_u16;
typedef unsigned int hcc_u32;

typedef volatile hcc_u8 hcc_reg8;
typedef volatile hcc_u16 hcc_reg16;
typedef volatile hcc_u32 hcc_reg32;

typedef hcc_u32 hcc_imask;

#ifdef NDEBUG
#define CMX_ASSERT(c) (void)0
#else
#define CMX_ASSERT(c)\
do {\
  if(!(c))\
  {\
    int a=1;\
    while(a)\
      ;\
  }\
}while(0)
#endif

extern hcc_u32 mcf5xxx_byterev(hcc_u32 val);

#if BIG_ENDIAN == 1
#if 0
/* Read 16 bit little endian value from address. */
#define RD_LE16(a) (hcc_u16)((hcc_u16)(((hcc_u8*)(a))[0]) \
                          | ((hcc_u16)(((hcc_u8*)(a))[1]) << 8))
/* Write 16bit value in v to address a in little endian order. */
#define WR_LE16(a, v) (((hcc_u8*)(a))[0]=(hcc_u8)(v)\
                        , ((hcc_u8*)(a))[1]=(hcc_u8)((v)>>8))
/* Read 32 bit little endian value from address. */
#define RD_LE32(a) (hcc_u32)((hcc_u32)(((hcc_u8*)(a))[0]) \
                          | ((hcc_u32)(((hcc_u8*)(a))[1]) << 8) \
                          | ((hcc_u32)(((hcc_u8*)(a))[2]) << 16) \
                          | ((hcc_u32)(((hcc_u8*)(a))[3]) << 24))
/* Write 32bit value in v to address a in little endian order. */
#define WR_LE32(a, v) (((hcc_u8*)(a))[0]=(hcc_u8)((v)>> 0) \
                      ,((hcc_u8*)(a))[1]=(hcc_u8)((v)>> 8)\
                      ,((hcc_u8*)(a))[2]=(hcc_u8)((v)>>16)\
                      ,((hcc_u8*)(a))[3]=(hcc_u8)((v)>>24))
#else
#define WR_LE32(a, v) ((*(hcc_u32*)(a))=mcf5xxx_byterev(v)) 
#define WR_LE16(a, v) ((*(hcc_u16*)(a))=(hcc_u16)(mcf5xxx_byterev(v) >> 16))
#define RD_LE32(a)    (mcf5xxx_byterev(*(hcc_u32*)(a)))
#define RD_LE16(a)    ((hcc_u16)(mcf5xxx_byterev((hcc_u32)*(hcc_u16*)(a))>>16))
#endif

/* Read 16 bit big endian value from address. */
#define RD_BE16(a) (*(hcc_u16*)(a))
/* Write 16bit value in v to address a in big endian order. */
#define WR_BE16(a, v) (*(hcc_u16*)(a) = (hcc_u16)(v))
/* Read 32 bit little endian value from address. */
#define RD_BE32(a) (*(hcc_u32*)(a))
/* Write 32bit value in v to address a in big endian order. */
#define WR_BE32(a, v) (*(hcc_u32*)(a) = (hcc_u32)(v))


#else
/* Read 16 bit little endian value from address. */
#define RD_LE16(a) (*(hcc_u16*)(a))
/* Write 16bit value in v to address a in little endian order. */
#define WR_LE16(a, v) (*(hcc_u16*)(a) = (hcc_u16)(v))
/* Read 32 bit little endian value from address. */
#define RD_LE32(a) (*(hcc_u32*)(a))
/* Write 32bit value in v to address a in little endian order. */
#define WR_LE32(a, v) (*(hcc_u32*)(a) = (hcc_u32)(v))

/* Read 16 bit big endian value from address. */
#define RD_BE16(a) (hcc_u16)((hcc_u16)(((hcc_u8*)(a))[1]) \
                          | ((hcc_u16)(((hcc_u8*)(a))[0]) << 8))
/* Write 16bit value in v to address a in big endian order. */
#define WR_BE16(a, v) (((hcc_u8*)(a))[1]=(hcc_u8)(v)\
                     , ((hcc_u8*)(a))[0]=(hcc_u8)((v)>>8))
/* Read 32 bit big endian value from address. */
#define RD_BE32(a) (hcc_u32)((hcc_u32)(((hcc_u8*)(a))[3])\
                          | ((hcc_u32)(((hcc_u8*)(a))[2]) << 8)\
                          | ((hcc_u32)(((hcc_u8*)(a))[1]) << 16)\
                          | ((hcc_u32)(((hcc_u8*)(a))[0]) << 24))\
/* Write 32bit value in v to address a in big endian order. */
#define WR_BE32(a, v) (((hcc_u8*)(a))[3]=(hcc_u8)(v)\
                      ,((hcc_u8*)(a))[2]=(hcc_u8)((v)>>8)\
                      ,((hcc_u8*)(a))[1]=(hcc_u8)((v)>>16)\
                      ,((hcc_u8*)(a))[0]=(hcc_u8)((v)>>24))

#endif


#endif /*_CMX_TYPES_H_*/

/****************************** END OF FILE **********************************/