1.2.7.4.32 SYS_FS_CurrentWorkingDirectoryGet Function

SYS_FS_RESULT SYS_FS_CurrentWorkingDirectoryGet
(
    char *buff,
    uint32_t len
);

Gets the current working directory

This function gets the current working directory path along with the working drive.

At least one disk must be mounted.

SYS_FS_RES_SUCCESS - Get current working directory operation was successful.

SYS_FS_RES_FAILURE - Get current working directory operation was unsucessful. The reason for the failure can be retrieved with SYS_FS_Error.

SYS_FS_RESULT res;
char buffer[16];

switch(appState)
{
    case TRY_MOUNT:
    {
        if(SYS_FS_Mount("/dev/mmcblka1", "/mnt/myDrive", FAT, 0, NULL) != SYS_FS_RES_SUCCESS)
        {
            // Failure, try mounting again
        }
        else
        {
            // Mount was successful. Create a directory.
            appState = CREATE_DIR;
        }
        break;
    }
    
    case CREATE_DIR:
    {
        res = SYS_FS_DirectoryMake("Dir1");
        if(res == SYS_FS_RES_FAILURE)
        {
            // Directory creation failed
            appState = ERROR;
        }
        else
        {
            // Directory creation was successful. Change to the new
            // directory.
            appState = CHANGE_DIR;
        }
        break;
    }
    
    case CHANGE_DIR:
    {
        res = SYS_FS_DirectoryChange("Dir1");
        if(res == SYS_FS_RES_FAILURE)
        {
            // Directory change failed
            appState = ERROR;
        }
        else
        {
            // Directory change was successful. Get current working
            // directory
            appState = GET_CWD;
        }
        break;
    }
    
    case GET_CWD:
    {
        res = SYS_FS_CurrentWorkingDirectoryGet(buffer, 15);
        if(res == SYS_FS_RES_FAILURE)
        {
            // Get current directory operation failed
            appState = ERROR;
        }
        break;
    }
}

None.