* @brief 将 FatFS FRESULT 映射到内核 ErrorCode * @details 区分常见错误类别，避免将所有错误笼统归入 kFsCorrupted */
| 21 | * @details 区分常见错误类别，避免将所有错误笼统归入 kFsCorrupted |
| 22 | */ |
| 23 | auto FresultToErrorCode(FRESULT fr) -> ErrorCode { |
| 24 | switch (fr) { |
| 25 | case FR_OK: |
| 26 | return ErrorCode::kSuccess; |
| 27 | case FR_NO_FILE: |
| 28 | case FR_NO_PATH: |
| 29 | return ErrorCode::kFsFileNotFound; |
| 30 | case FR_EXIST: |
| 31 | return ErrorCode::kFsFileExists; |
| 32 | case FR_DENIED: |
| 33 | case FR_WRITE_PROTECTED: |
| 34 | return ErrorCode::kFsPermissionDenied; |
| 35 | case FR_NOT_READY: |
| 36 | case FR_DISK_ERR: |
| 37 | return ErrorCode::kBlkReadFailed; |
| 38 | case FR_NOT_ENABLED: |
| 39 | case FR_INVALID_DRIVE: |
| 40 | return ErrorCode::kFsNotMounted; |
| 41 | case FR_NOT_ENOUGH_CORE: |
| 42 | return ErrorCode::kFsNoSpace; |
| 43 | case FR_INVALID_NAME: |
| 44 | case FR_INVALID_PARAMETER: |
| 45 | case FR_INVALID_OBJECT: |
| 46 | return ErrorCode::kInvalidArgument; |
| 47 | case FR_TOO_MANY_OPEN_FILES: |
| 48 | return ErrorCode::kFsFdTableFull; |
| 49 | case FR_INT_ERR: |
| 50 | case FR_MKFS_ABORTED: |
| 51 | default: |
| 52 | return ErrorCode::kFsCorrupted; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @brief 将 FRESULT 转换为 Expected<void> |