RT1052利用keil编译器移植tinyusb出现的问题

发布于 2021-09-24 20:45:00 浏览：2416 订阅该版

最近需要利用RT1052实现U盘功能，打算直接使用tinyusb，按照教程导入src后，出现了以下报错：
```
“error "Compiler attribute porting is required"”，
```
报错文件为：`tinyusb\src\common\tusb_compiler.h`，
报错部分代码为：
```c
// TODO refactor since __attribute__ is supported across many compiler
#if defined(__GNUC__)
  #define TU_ATTR_ALIGNED(Bytes)        __attribute__ ((aligned(Bytes)))
  #define TU_ATTR_SECTION(sec_name)     __attribute__ ((section(#sec_name)))
  #define TU_ATTR_PACKED                __attribute__ ((packed))
  #define TU_ATTR_WEAK                  __attribute__ ((weak))
  #define TU_ATTR_ALWAYS_INLINE         __attribute__ ((always_inline))
  #define TU_ATTR_DEPRECATED(mess)      __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
  #define TU_ATTR_UNUSED                __attribute__ ((unused))           // Function/Variable is meant to be possibly unused
  #define TU_ATTR_USED                  __attribute__ ((used))             // Function/Variable is meant to be used

#define TU_ATTR_PACKED_BEGIN
  #define TU_ATTR_PACKED_END
  #define TU_ATTR_BIT_FIELD_ORDER_BEGIN
  #define TU_ATTR_BIT_FIELD_ORDER_END

// Endian conversion use well-known host to network (big endian) naming
  #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
    #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
  #else
    #define TU_BYTE_ORDER TU_BIG_ENDIAN
  #endif

#define TU_BSWAP16(u16) (__builtin_bswap16(u16))
  #define TU_BSWAP32(u32) (__builtin_bswap32(u32))

// List of obsolete callback function that is renamed and should not be defined.
  // Put it here since only gcc support this pragma
  #pragma GCC poison tud_vendor_control_request_cb

#elif defined(__TI_COMPILER_VERSION__)
  #define TU_ATTR_ALIGNED(Bytes)        __attribute__ ((aligned(Bytes)))
  #define TU_ATTR_SECTION(sec_name)     __attribute__ ((section(#sec_name)))
  #define TU_ATTR_PACKED                __attribute__ ((packed))
  #define TU_ATTR_WEAK                  __attribute__ ((weak))
  #define TU_ATTR_ALWAYS_INLINE         __attribute__ ((always_inline))
  #define TU_ATTR_DEPRECATED(mess)      __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
  #define TU_ATTR_UNUSED                __attribute__ ((unused))           // Function/Variable is meant to be possibly unused
  #define TU_ATTR_USED                  __attribute__ ((used))

#define TU_ATTR_PACKED_BEGIN
  #define TU_ATTR_PACKED_END
  #define TU_ATTR_BIT_FIELD_ORDER_BEGIN
  #define TU_ATTR_BIT_FIELD_ORDER_END

// __BYTE_ORDER is defined in the TI ARM compiler, but not MSP430 (which is little endian)
  #if ((__BYTE_ORDER__) == (__ORDER_LITTLE_ENDIAN__)) || defined(__MSP430__)
    #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
  #else
    #define TU_BYTE_ORDER TU_BIG_ENDIAN
  #endif

#define TU_BSWAP16(u16) (__builtin_bswap16(u16))
  #define TU_BSWAP32(u32) (__builtin_bswap32(u32))

#elif defined(__ICCARM__)
  #include <intrinsics.h>
  #define TU_ATTR_ALIGNED(Bytes)        __attribute__ ((aligned(Bytes)))
  #define TU_ATTR_SECTION(sec_name)     __attribute__ ((section(#sec_name)))
  #define TU_ATTR_PACKED                __attribute__ ((packed))
  #define TU_ATTR_WEAK                  __attribute__ ((weak))
  #define TU_ATTR_ALWAYS_INLINE         __attribute__ ((always_inline))
  #define TU_ATTR_DEPRECATED(mess)      __attribute__ ((deprecated(mess))) // warn if function with this attribute is used
  #define TU_ATTR_UNUSED                __attribute__ ((unused))           // Function/Variable is meant to be possibly unused
  #define TU_ATTR_USED                  __attribute__ ((used))             // Function/Variable is meant to be used

#define TU_ATTR_PACKED_BEGIN
  #define TU_ATTR_PACKED_END
  #define TU_ATTR_BIT_FIELD_ORDER_BEGIN
  #define TU_ATTR_BIT_FIELD_ORDER_END

#define TU_BSWAP16(u16) (__iar_builtin_REV16(u16))
  #define TU_BSWAP32(u32) (__iar_builtin_REV(u32))

#elif defined(__CCRX__)
  #define TU_ATTR_ALIGNED(Bytes)
  #define TU_ATTR_SECTION(sec_name)
  #define TU_ATTR_PACKED
  #define TU_ATTR_WEAK
  #define TU_ATTR_ALWAYS_INLINE
  #define TU_ATTR_DEPRECATED(mess)
  #define TU_ATTR_UNUSED
  #define TU_ATTR_USED

#define TU_ATTR_PACKED_BEGIN          _Pragma("pack")
  #define TU_ATTR_PACKED_END            _Pragma("packoption")
  #define TU_ATTR_BIT_FIELD_ORDER_BEGIN _Pragma("bit_order right")
  #define TU_ATTR_BIT_FIELD_ORDER_END   _Pragma("bit_order")

// Endian conversion use well-known host to network (big endian) naming
  #if defined(__LIT)
    #define TU_BYTE_ORDER TU_LITTLE_ENDIAN
  #else
    #define TU_BYTE_ORDER TU_BIG_ENDIAN
  #endif

#define TU_BSWAP16(u16) ((unsigned short)_builtin_revw((unsigned long)u16))
  #define TU_BSWAP32(u32) (_builtin_revl(u32))

#else 
  #error "Compiler attribute porting is required"
#endif
```
显示问题为：需要编译器属性移植。所以想问一下各位大佬有没有什么解决方法。