Home | History | Annotate | Download | only in Export_Inc
      1 /*
      2  * p_buffer.h
      3  *
      4  * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  *
     11  *  * Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  *  * Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in
     15  *    the documentation and/or other materials provided with the
     16  *    distribution.
     17  *  * Neither the name Texas Instruments nor the names of its
     18  *    contributors may be used to endorse or promote products derived
     19  *    from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef P_BUFFER
     35 #define P_BUFFER
     36 
     37 
     38 #define P_BUFFER_ADD_UINT8(_p_buffer, _uint8)                               \
     39         {                                                                   \
     40             *(TI_UINT8 *)(_p_buffer++) = _uint8;                            \
     41         }
     42 
     43 #define P_BUFFER_ADD_UINT16(_p_buffer, _uint16)                             \
     44         {                                                                   \
     45             *(TI_UINT8 *)(_p_buffer++) = (TI_UINT8)(_uint16 & 0x00FF);                \
     46             *(TI_UINT8 *)(_p_buffer++) = (TI_UINT8)((_uint16 & 0xFF00) >> 8);         \
     47         }
     48 
     49 #define P_BUFFER_ADD_UINT32(_p_buffer, _uint32)                             \
     50         {                                                                   \
     51             *(TI_UINT8 *)(_p_buffer++) = (TI_UINT8)(_uint32 & 0x000000FF);            \
     52             *(TI_UINT8 *)(_p_buffer++) = (TI_UINT8)((_uint32 & 0x0000FF00) >> 8);     \
     53             *(TI_UINT8 *)(_p_buffer++) = (TI_UINT8)((_uint32 & 0x00FF0000) >> 16);    \
     54             *(TI_UINT8 *)(_p_buffer++) = (TI_UINT8)((_uint32 & 0xFF000000) >> 24);    \
     55         }
     56 
     57 #define P_BUFFER_ADD_DATA(_p_buffer, _p_data, _len)                         \
     58         {                                                                   \
     59             memcpy(_p_buffer, _p_data, _len);                               \
     60             _p_buffer += _len;                                              \
     61         }
     62 
     63 #define P_BUFFER_GET_UINT8(_p_buffer, _uint8)                               \
     64         {                                                                   \
     65             _uint8 = *(TI_UINT8 *)(_p_buffer++);                            \
     66         }
     67 
     68 #define P_BUFFER_GET_UINT16(_p_buffer, _uint16)                             \
     69         {                                                                   \
     70             _uint16 = *(TI_UINT8 *)(_p_buffer++);                           \
     71             _uint16 |= (*(TI_UINT8 *)(_p_buffer++) << 8);                   \
     72         }
     73 
     74 
     75 #define P_BUFFER_GET_UINT32(_p_buffer, _uint32)                             \
     76         {                                                                   \
     77             _uint32 = *(TI_UINT8 *)(_p_buffer++);                           \
     78             _uint32 |= (*(TI_UINT8 *)(_p_buffer++) << 8);                   \
     79             _uint32 |= (*(TI_UINT8 *)(_p_buffer++) << 16);                  \
     80             _uint32 |= (*(TI_UINT8 *)(_p_buffer++) << 24);                  \
     81         }
     82 
     83 #define P_BUFFER_ADD_HDR_PARAMS(_p_buffer, _op, _status)                    \
     84         {                                                                   \
     85             *(TI_UINT8 *)(_p_buffer + 0) = (_op & 0x00FF);                  \
     86             *(TI_UINT8 *)(_p_buffer + 1) = ((_op & 0xFF00) >> 8);           \
     87             *(TI_UINT8 *)(_p_buffer + 2) = _status;                         \
     88             _p_buffer += 3;                                                 \
     89         }
     90 
     91 #endif
     92