/************************************************************************** * * Copyright (C) 2012 Steve Karg * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *********************************************************************/ #ifndef BYTES_H #define BYTES_H /* Defines the bit/byte/word/long conversions that are used in code */ #include #ifndef LO_NIB #define LO_NIB(b) ((b) & 0xF) #endif #ifndef HI_NIB #define HI_NIB(b) ((b) >> 4) #endif #ifndef LO_BYTE #define LO_BYTE(w) ((uint8_t)(w)) #endif #ifndef HI_BYTE #define HI_BYTE(w) ((uint8_t)((uint16_t)(w) >> 8)) #endif #ifndef LO_WORD #define LO_WORD(x) ((uint16_t)(x)) #endif #ifndef HI_WORD #define HI_WORD(x) ((uint16_t)((uint32_t)(x) >> 16)) #endif #ifndef MAKE_WORD #define MAKE_WORD(lo,hi) \ ((uint16_t)(((uint8_t)(lo))|(((uint16_t)((uint8_t)(hi)))<<8))) #endif #ifndef MAKE_LONG #define MAKE_LONG(lo,hi) \ ((uint32_t)(((uint16_t)(lo))|(((uint32_t)((uint16_t)(hi)))<<16))) #endif #endif /* end of header file */