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