86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/**
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* \file
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* <!--
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* This file is part of BeRTOS.
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*
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* Bertos is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* As a special exception, you may use this file as part of a free software
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* library without restriction. Specifically, if other files instantiate
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* templates or use macros or inline functions from this file, or you compile
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* this file and link it with other files to produce an executable, this
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* file does not by itself cause the resulting executable to be covered by
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* the GNU General Public License. This exception does not however
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* invalidate any other reasons why the executable file might be covered by
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* the GNU General Public License.
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*
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* Copyright 2007, 2010 Develer S.r.l. (http://www.develer.com/)
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* Copyright 2011 Onno <developer@gorgoz.org>
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* -->
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*
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*
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* \brief Low-level serial module for AVR XMEGA (interface).
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*
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* This file is heavily inspired by the AVR implementation for BeRTOS,
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* but uses a different approach for implementing the different debug
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* ports, by using the USART_t structs.
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*
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* \author Onno <developer@gorgoz.org>
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*
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*/
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#ifndef DRV_SER_XMEGA_H
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#define DRV_SER_XMEGA_H
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#include <cfg/macros.h> /* BV() */
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#include <cfg/compiler.h> /* uint8_t */
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typedef uint8_t serstatus_t;
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/* Software errors */
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#define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
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#define SERRF_RXTIMEOUT BV(5) /**< Receive timeout */
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#define SERRF_TXTIMEOUT BV(6) /**< Transmit timeout */
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/*
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* Hardware errors.
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* These flags map directly to the AVR XMEGA UART Status Register.
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*/
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#define SERRF_RXSROVERRUN BV(3) /**< Rx shift register overrun */
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#define SERRF_FRAMEERROR BV(4) /**< Stop bit missing */
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#define SERRF_PARITYERROR BV(2) /**< Parity error */
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#define SERRF_NOISEERROR 0 /**< Unsupported */
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/*
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* \name Serial hw numbers
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*
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* \{
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*/
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enum
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{
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SER_UART0,
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SER_UART1,
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#ifdef CPU_AVR_XMEGA_A
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//the XMEGA A Family have 5 USART ports
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SER_UART2,
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SER_UART3,
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SER_UART4,
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#endif
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SER_CNT /**< Number of serial ports */
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};
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/*\}*/
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#endif /* DRV_SER_XMEGA_H */
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