4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
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26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2007 Develer S.r.l. (http://www.develer.com/)
33 * \version $Id: timer_arm.h 18273 2007-10-11 14:53:02Z batt $
35 * \author Daniele Basile <asterix@develer.com>
37 * \brief Low-level serial module for AVR (interface).
43 #include <cfg/macros.h> /* BV() */
44 #include <cfg/compiler.h> /* uint32_t */
46 typedef uint8_t serstatus_t;
49 #define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
50 #define SERRF_RXTIMEOUT BV(5) /**< Receive timeout */
51 #define SERRF_TXTIMEOUT BV(6) /**< Transmit timeout */
55 * These flags map directly to the AVR UART Status Register (USR).
57 #define SERRF_RXSROVERRUN BV(3) /**< Rx shift register overrun */
58 #define SERRF_FRAMEERROR BV(4) /**< Stop bit missing */
59 #define SERRF_PARITYERROR BV(7) /**< Parity error */
60 #define SERRF_NOISEERROR 0 /**< Unsupported */
64 * \name Serial hw numbers
70 #if CPU_AVR_ATMEGA64 || CPU_AVR_ATMEGA128 || CPU_AVR_ATMEGA1281
74 #elif CPU_AVR_ATMEGA103 || CPU_AVR_ATMEGA8
78 #error unknown architecture
80 SER_CNT /**< Number of serial ports */
84 #endif /* DRV_SER_AVR_H */