OpenModem/bertos/cpu/avr/drv/ser_xmega.h

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2014-04-03 14:21:37 -06:00
/**
* \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 2007, 2010 Develer S.r.l. (http://www.develer.com/)
* Copyright 2011 Onno <developer@gorgoz.org>
* -->
*
*
* \brief Low-level serial module for AVR XMEGA (interface).
*
* This file is heavily inspired by the AVR implementation for BeRTOS,
* but uses a different approach for implementing the different debug
* ports, by using the USART_t structs.
*
* \author Onno <developer@gorgoz.org>
*
*/
#ifndef DRV_SER_XMEGA_H
#define DRV_SER_XMEGA_H
#include <cfg/macros.h> /* BV() */
#include <cfg/compiler.h> /* uint8_t */
typedef uint8_t serstatus_t;
/* Software errors */
#define SERRF_RXFIFOOVERRUN BV(0) /**< Rx FIFO buffer overrun */
#define SERRF_RXTIMEOUT BV(5) /**< Receive timeout */
#define SERRF_TXTIMEOUT BV(6) /**< Transmit timeout */
/*
* Hardware errors.
* These flags map directly to the AVR XMEGA UART Status Register.
*/
#define SERRF_RXSROVERRUN BV(3) /**< Rx shift register overrun */
#define SERRF_FRAMEERROR BV(4) /**< Stop bit missing */
#define SERRF_PARITYERROR BV(2) /**< Parity error */
#define SERRF_NOISEERROR 0 /**< Unsupported */
/*
* \name Serial hw numbers
*
* \{
*/
enum
{
SER_UART0,
SER_UART1,
#ifdef CPU_AVR_XMEGA_A
//the XMEGA A Family have 5 USART ports
SER_UART2,
SER_UART3,
SER_UART4,
#endif
SER_CNT /**< Number of serial ports */
};
/*\}*/
#endif /* DRV_SER_XMEGA_H */