d7a_common.h

00001 #ifndef _D7A_COMMON_H_
00002 #define _D7A_COMMON_H_
00003 
00004 #define TYPEDEF_STRUCT_PACKED   typedef struct __attribute__((packed))
00005 
00006 /*
00007 typedef uint8_t  u8;
00008 typedef uint16_t u16;
00009 typedef uint32_t u32;
00010 typedef int8_t   s8;
00011 typedef int16_t  s16;
00012 typedef int32_t  s32;
00013 */
00014 
00015 #define HAL_U16_B0(a)           ((uint8_t)(((uint16_t)(a) >>  0) & 0xFF))
00016 #define HAL_U16_B1(a)           ((uint8_t)(((uint16_t)(a) >>  8) & 0xFF))
00017 #define HAL_U16_LO(a)           ((uint8_t)((a) >> 0))
00018 #define HAL_U16_HI(a)           ((uint8_t)((a) >> 8))
00019 #define HAL_TO_U16(a,b)         ((uint16_t)((uint16_t)(a) << 8)|(uint16_t)(b))
00020 #define HAL_TO_U32(a,b,c,d)     ((uint32_t)((uint32_t)(a) <<24)|((uint32_t)(b) <<16)|((uint32_t)(c) << 8)|(uint32_t)(d))
00021 #define HAL_U32_LO(a)           ((uint16_t)((a) >> 0))
00022 #define HAL_U32_HI(a)           ((uint16_t)((a) >> 16))
00023 #define HAL_U32_B0(a)           ((uint8_t)(((uint32_t)(a) >>  0) & 0xFF))
00024 #define HAL_U32_B1(a)           ((uint8_t)(((uint32_t)(a) >>  8) & 0xFF))
00025 #define HAL_U32_B2(a)           ((uint8_t)(((uint32_t)(a) >> 16) & 0xFF))
00026 #define HAL_U32_B3(a)           ((uint8_t)(((uint32_t)(a) >> 24) & 0xFF))
00027 // This should generate a REV instruction
00028 #define HAL_U32_BYTE_SWAP(a)    (   (((a) & 0x000000ff) << 24) |   \
00029                                     (((a) & 0x0000ff00) <<  8) |   \
00030                                     (((a) & 0x00ff0000) >>  8) |   \
00031                                     (((a) & 0xff000000) >> 24))
00032 
00033 
00034 #endif