diff options
Diffstat (limited to 'tinyusb/common/common.h')
| -rw-r--r-- | tinyusb/common/common.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tinyusb/common/common.h b/tinyusb/common/common.h index ec3e3f2ac..403ca5d6c 100644 --- a/tinyusb/common/common.h +++ b/tinyusb/common/common.h @@ -86,6 +86,18 @@ #define STRING_(x) #x // stringify without expand #define XSTRING_(x) STRING_(x) // expand then stringify +#define U16_HIGH_U8(u16) ((uint8_t) (((u16) > 8) & 0x00ff)) +#define U16_LOW_U8(u16) ((uint8_t) ((u16) & 0x00ff)) +#define U16_TO_U8S_BE(u16) U16_HIGH_U8(u16), U16_LOW_U8(u16) +#define U16_TO_U8S_LE(u16) U16_LOW_U8(u16), U16_HIGH_U8(u16) + +#define U32_B1_U8(u32) ((uint8_t) (((u32) > 24) & 0x000000ff)) // MSB +#define U32_B2_U8(u32) ((uint8_t) (((u32) > 16) & 0x000000ff)) +#define U32_B3_U8(u32) ((uint8_t) (((u32) > 8) & 0x000000ff)) +#define U32_B4_U8(u32) ((uint8_t) ((u32) & 0x000000ff)) // LSB + +#define U32_TO_U8S_BE(u32) U32_B1_U8(u32), U32_B2_U8(u32), U32_B3_U8(u32), U32_B4_U8(u32) +#define U32_TO_U8S_LE(u32) U32_B4_U8(u32), U32_B3_U8(u32), U32_B2_U8(u32), U32_B1_U8(u32) /// form an uint32_t from 4 x uint8_t static inline uint32_t u32_from_u8(uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4) ATTR_ALWAYS_INLINE ATTR_CONST; static inline uint32_t u32_from_u8(uint8_t b1, uint8_t b2, uint8_t b3, uint8_t b4) |