/**
* \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>
- * This file is part of DevLib - See README.devlib for information.
+ *
* -->
*
* \brief High level serial I/O API
/*#*
*#* $Log$
+ *#* Revision 1.36 2007/01/29 11:30:30 batt
+ *#* Reimplement ser_clearstatus as a macro.
+ *#*
+ *#* Revision 1.35 2007/01/27 20:47:12 batt
+ *#* Add clear status.
+ *#*
+ *#* Revision 1.34 2006/11/20 15:07:40 batt
+ *#* Revert unneeded locked functions.
+ *#*
*#* Revision 1.33 2006/11/17 17:03:58 batt
*#* Implement ser_setstatus and ser_getstatus as functions to avoid race conditions.
*#*
#ifndef DRV_SER_H
#define DRV_SER_H
+#include <cpu/detect.h>
#include <mware/fifobuf.h>
#include <cfg/compiler.h>
#include <cfg/macros.h> /* BV() */
#include <cfg/os.h>
+
#include <appconfig.h>
/** \name Serial Error/status flags. */
/*\{*/
-#if CPU_AVR
+#if CPU_ARM_AT91
+ typedef uint32_t serstatus_t;
+
+ /* Software errors */
+ #define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
+ #define SERRF_RXTIMEOUT BV(1) /**< Receive timeout */
+ #define SERRF_TXTIMEOUT BV(2) /**< Transmit timeout */
+
+ /*
+ * Hardware errors.
+ * These flags map directly to the ARM USART Channel Status Register (US_CSR).
+ */
+ #define SERRF_RXSROVERRUN BV(5) /**< Rx shift register overrun */
+ #define SERRF_FRAMEERROR BV(6) /**< Stop bit missing */
+ #define SERRF_PARITYERROR BV(7) /**< Parity error */
+ #define SERRF_NOISEERROR 0 /**< Unsupported */
+
+#elif CPU_AVR
typedef uint8_t serstatus_t;
/* Software errors */
*/
enum
{
-#if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281
+#if CPU_ARM_AT91
+ SER_UART0,
+ SER_UART1,
+ SER_SPI,
+#elif CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281
SER_UART0,
SER_UART1,
SER_SPI,
extern struct Serial *ser_open(unsigned int unit);
extern void ser_close(struct Serial *port);
-extern serstatus_t ser_getstatus(struct Serial *port);
-extern void ser_setstatus(struct Serial *port, serstatus_t status);
+/**
+ * \name Additional functions implemented as macros
+ *
+ * \{
+ */
+#define ser_getstatus(h) ((h)->status)
+#define ser_setstatus(h, x) ((h)->status = (x))
+#define ser_clearstatus(h) ser_setstatus(h, 0)
+/* \} */
#endif /* DRV_SER_H */