+ * Revision 1.8 2004/07/29 22:57:09 bernie
+ * ser_drain(): New function; Make Serial::is_open a debug-only feature; Switch to new-style CONFIG_* macros.
+ *
+ * Revision 1.7 2004/07/18 21:49:03 bernie
+ * Make CONFIG_SER_DEFBAUDRATE optional.
+ *
+ * Revision 1.6 2004/06/07 15:56:28 aleph
+ * Remove cast-as-lvalue extension abuse
+ *
+ * Revision 1.5 2004/06/06 16:41:44 bernie
+ * ser_putchar(): Use fifo_push_locked() to fix potential race on 8bit processors.
+ *
+ * Revision 1.4 2004/06/03 11:27:09 bernie
+ * Add dual-license information.
+ *
+ * Revision 1.3 2004/06/02 21:35:24 aleph
+ * Serial enhancements: interruptible receive handler and 8 bit serial status for AVR; remove volatile attribute to FIFOBuffer, useless for new fifobuf routens
+ *