Basic Z16F serial driver functionality

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@577 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 24 insertions, 18 deletions

diff --git a/nuttx/include/nuttx/fs.h b/nuttx/include/nuttx/fs.h
index 73c509629..111f47218 100644
--- a/nuttx/include/nuttx/fs.h
+++ b/nuttx/include/nuttx/fs.h
@@ -177,27 +177,33 @@ struct mountpt_operations
 };
 #endif /* CONFIG_DISABLE_MOUNTPOUNT */
 
-/* This structure represents one inode in the Nuttx psuedo-file system */
+/* These are the various kinds of operations that can be associated with
+ * an inode.
+ */
 
-struct inode
+union inode_ops_u
 {
-  FAR struct inode            *i_peer;       /* Pointer to same level inode */
-  FAR struct inode            *i_child;      /* Pointer to lower level inode */
-  sint16                       i_crefs;      /* References to inode */
-  uint16                       i_flags;      /* flags for inode */
-  union
-  {
-    const struct file_operations    *i_ops;  /* Driver operations for inode */
+  FAR const struct file_operations    *i_ops;  /* Driver operations for inode */
 #ifndef CONFIG_DISABLE_MOUNTPOUNT
-    const struct block_operations   *i_bops; /* Block driver operations */
-    const struct mountpt_operations *i_mops; /* Operations on a mountpoint */
+  FAR const struct block_operations   *i_bops; /* Block driver operations */
+  FAR const struct mountpt_operations *i_mops; /* Operations on a mountpoint */
 #endif
-  } u;
+};
+
+/* This structure represents one inode in the Nuttx psuedo-file system */
+
+struct inode
+{
+  FAR struct inode *i_peer;       /* Pointer to same level inode */
+  FAR struct inode *i_child;      /* Pointer to lower level inode */
+  sint16            i_crefs;      /* References to inode */
+  uint16            i_flags;      /* Flags for inode */
+  union inode_ops_u u;            /* Inode operations */
 #ifdef CONFIG_FILE_MODE
-  mode_t                       i_mode;       /* Access mode flags */
+  mode_t            i_mode;       /* Access mode flags */
 #endif
-  FAR void                    *i_private;    /* Per inode driver private data */
-  char                         i_name[1];    /* Name of inode (variable) */
+  FAR void         *i_private;    /* Per inode driver private data */
+  char              i_name[1];    /* Name of inode (variable) */
 };
 #define FSNODE_SIZE(n) (sizeof(struct inode) + (n))
 
diff --git a/nuttx/include/nuttx/serial.h b/nuttx/include/nuttx/serial.h
index 46da7800c..7741b9983 100644
--- a/nuttx/include/nuttx/serial.h
+++ b/nuttx/include/nuttx/serial.h
@@ -180,7 +180,7 @@ struct uart_ops_s
 struct uart_dev_s
 {
   int       open_count;			/* The number of times
-					* the device has been opened */
+					 * the device has been opened */
   boolean   xmitwaiting;		/* TRUE: User is waiting
 					 * for space in xmit.buffer */
   boolean   recvwaiting;		/* TRUE: User is waiting
@@ -194,8 +194,8 @@ struct uart_dev_s
 					 * for sapce in recv.buffer */
   struct uart_buffer_s xmit;		/* Describes transmit buffer */
   struct uart_buffer_s recv;		/* Describes receive buffer */
-  const struct uart_ops_s *ops;		/* Arch-specifics operations */
-  void     *priv;			/* Used by the arch-specific logic */
+  FAR const struct uart_ops_s *ops;	/* Arch-specific operations */
+  FAR void *priv;			/* Used by the arch-specific logic */
 };
 typedef struct uart_dev_s uart_dev_t;