-/**
- * \file
- * <!--
- * This file is part of BeRTOS.
- *
- * Bertos is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * As a special exception, you may use this file as part of a free software
- * library without restriction. Specifically, if other files instantiate
- * templates or use macros or inline functions from this file, or you compile
- * this file and link it with other files to produce an executable, this
- * file does not by itself cause the resulting executable to be covered by
- * the GNU General Public License. This exception does not however
- * invalidate any other reasons why the executable file might be covered by
- * the GNU General Public License.
- *
- * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
- *
- * -->
- *
- * \brief High level serial I/O API
- *
- * \version $Id$
- * \author Bernardo Innocenti <bernie@develer.com>
- */
-
-#ifndef DRV_SER_H
-#define DRV_SER_H
-
-
-#include <mware/fifobuf.h>
-#include <cfg/compiler.h>
-
-#include CPU_HEADER(ser)
-
-#include <appconfig.h>
-
-
-
-/**
- * \name Masks to group TX/RX errors.
- * \{
- */
-#define SERRF_RX \
- ( SERRF_RXFIFOOVERRUN \
- | SERRF_RXTIMEOUT \
- | SERRF_RXSROVERRUN \
- | SERRF_PARITYERROR \
- | SERRF_FRAMEERROR \
- | SERRF_NOISEERROR)
-#define SERRF_TX (SERRF_TXTIMEOUT)
-/*\}*/
-
-/**
- * \name LSB or MSB first data order for SPI driver.
- * \{
- */
-#define SER_MSB_FIRST 0
-#define SER_LSB_FIRST 1
-/*\}*/
-
-/**
- * \name Parity settings for ser_setparity().
- *
- * \note Values are AVR-specific for performance reasons.
- * Other processors should either decode them or
- * redefine these macros.
- * \{
- */
-#define SER_PARITY_NONE 0
-#define SER_PARITY_EVEN 2
-#define SER_PARITY_ODD 3
-/*\}*/
-
-
-struct SerialHardware;
-
-/** Human-readable serial error descriptions */
-extern const char * const serial_errors[8];
-
-/** Serial handle structure */
-typedef struct Serial
-{
- /** Physical port number */
- unsigned int unit;
-
-#ifdef _DEBUG
- bool is_open;
-#endif
-
- /**
- * \name Transmit and receive FIFOs.
- *
- * Declared volatile because handled asinchronously by interrupts.
- *
- * \{
- */
- FIFOBuffer txfifo;
- FIFOBuffer rxfifo;
- /* \} */
-
-#if CONFIG_SER_RXTIMEOUT != -1
- ticks_t rxtimeout;
-#endif
-#if CONFIG_SER_TXTIMEOUT != -1
- ticks_t txtimeout;
-#endif
-
- /** Holds the flags defined above. Will be 0 when no errors have occurred. */
- volatile serstatus_t status;
-
- /** Low-level interface to hardware. */
- struct SerialHardware* hw;
-} Serial;
-
-
-/* Function prototypes */
-extern int ser_putchar(int c, struct Serial *port);
-extern int ser_getchar(struct Serial *port);
-extern int ser_getchar_nowait(struct Serial *port);
-
-extern int ser_write(struct Serial *port, const void *buf, size_t len);
-extern int ser_read(struct Serial *port, void *buf, size_t size);
-
-extern int ser_print(struct Serial *port, const char *s);
-extern int ser_printf(struct Serial *port, const char *format, ...) FORMAT(__printf__, 2, 3);
-
-extern int ser_gets(struct Serial *port, char *buf, int size);
-extern int ser_gets_echo(struct Serial *port, char *buf, int size, bool echo);
-extern void ser_clearstatus(struct Serial *port);
-
-extern void ser_setbaudrate(struct Serial *port, unsigned long rate);
-extern void ser_setparity(struct Serial *port, int parity);
-extern void ser_settimeouts(struct Serial *port, mtime_t rxtimeout, mtime_t txtimeout);
-extern void ser_resync(struct Serial *port, mtime_t delay);
-extern void ser_purge(struct Serial *port);
-extern void ser_drain(struct Serial *port);
-
-extern struct Serial *ser_open(unsigned int unit);
-extern void ser_close(struct Serial *port);
-
-/**
- * \name Additional functions implemented as macros
- *
- * \{
- */
-#define ser_getstatus(h) ((h)->status)
-#define ser_setstatus(h, x) ((h)->status = (x))
-/* \} */
-
-#endif /* DRV_SER_H */