/**
* \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.
+ *#*
+ *#* Revision 1.32 2006/11/17 16:01:12 batt
+ *#* Serial status MUST be volatile.
+ *#*
+ *#* Revision 1.31 2006/09/13 18:22:48 bernie
+ *#* Typo.
+ *#*
+ *#* Revision 1.30 2006/09/13 18:21:23 bernie
+ *#* Add configurable SPI pin mapping.
+ *#*
+ *#* Revision 1.29 2006/09/13 13:59:11 bernie
+ *#* Documentation fixes.
+ *#*
*#* Revision 1.28 2006/07/21 10:58:00 batt
*#* Use timer_clock() instead of obsolete timer_ticks().
*#*
#endif
/*\}*/
-/** Mask to group all RX errors. */
+/**
+ * \name Masks to group TX/RX errors.
+ * \{
+ */
#define SERRF_RX \
( SERRF_RXFIFOOVERRUN \
| SERRF_RXTIMEOUT \
| SERRF_PARITYERROR \
| SERRF_FRAMEERROR \
| SERRF_NOISEERROR)
-
-/** Mask to group all TX errors. */
#define SERRF_TX (SERRF_TXTIMEOUT)
+/*\}*/
+/**
+ * \name LSB or MSB first data order, used with SPI AVR serial
+ * \{
+ */
+#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
*/
enum
{
-#if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128
+#if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281
SER_UART0,
SER_UART1,
SER_SPI,
#endif
/** Holds the flags defined above. Will be 0 when no errors have occurred. */
- serstatus_t status;
+ volatile serstatus_t status;
/** Low-level interface to hardware. */
struct SerialHardware* hw;
*/
#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 */