diff options
Diffstat (limited to 'tinyusb/common/common.h')
| -rw-r--r-- | tinyusb/common/common.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tinyusb/common/common.h b/tinyusb/common/common.h index 63ba26d56..ed543de00 100644 --- a/tinyusb/common/common.h +++ b/tinyusb/common/common.h @@ -101,6 +101,19 @@ //--------------------------------------------------------------------+ #define memclr_(buffer, size) memset(buffer, 0, size) + +static inline uint8_t const * descriptor_next(uint8_t const * p_desc) ATTR_ALWAYS_INLINE ATTR_PURE; +static inline uint8_t const * descriptor_next(uint8_t const * p_desc) +{ + return p_desc + p_desc[DESCRIPTOR_OFFSET_LENGTH]; +} + +static inline uint8_t descriptor_typeof(uint8_t const * p_desc) ATTR_ALWAYS_INLINE ATTR_PURE; +static inline uint8_t descriptor_typeof(uint8_t const * p_desc) +{ + return p_desc[DESCRIPTOR_OFFSET_TYPE]; +} + //------------- Conversion -------------// /// 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; |