Add initial atmega128rfa1 file
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cpu/avr/dev/rs232_atmega128rfa1.h
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cpu/avr/dev/rs232_atmega128rfa1.h
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/*
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* Copyright (c) 2006, Technical University of Munich
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* @(#)$$
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*/
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/**
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* \file
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* AVR specific definitions for the rs232 port.
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*
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* \author
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* Simon Barner <barner@in.tum.de
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*/
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#ifndef __RS232_ATMEGA128RFA1__
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#define __RS232_ATMEGA128RFA1__
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/******************************************************************************/
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/*** Includes */
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/******************************************************************************/
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#include <avr/io.h>
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/******************************************************************************/
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/*** RS232 ports */
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/******************************************************************************/
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#define RS232_PORT_0 0
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#define RS232_PORT_1 1
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/******************************************************************************/
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/*** Baud rates */
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/******************************************************************************/
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#if (F_CPU == 16000000UL)
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/* Single speed operation (U2X = 0)*/
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#define USART_BAUD_2400 416
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#define USART_BAUD_4800 207
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#define USART_BAUD_9600 103
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#define USART_BAUD_14400 68
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#define USART_BAUD_19200 51
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#define USART_BAUD_28800 34
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#define USART_BAUD_38400 25
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#define USART_BAUD_57600 16
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#define USART_BAUD_76800 12
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#define USART_BAUD_115200 8
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#define USART_BAUD_230400 3
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#define USART_BAUD_250000 3
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#define USART_BAUD_500000 1
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#define USART_BAUD_1000000 0
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#elif (F_CPU == 8000000UL)
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/* Single speed operation (U2X = 0)*/
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#define USART_BAUD_2400 207
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#define USART_BAUD_4800 103
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#define USART_BAUD_9600 51
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#define USART_BAUD_14400 34
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#define USART_BAUD_19200 25
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#define USART_BAUD_28800 16
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#define USART_BAUD_38400 12
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#define USART_BAUD_57600 8
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#define USART_BAUD_76800 6
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#define USART_BAUD_115200 3
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#define USART_BAUD_230400 1
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#define USART_BAUD_250000 1
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#define USART_BAUD_500000 0
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#else
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#error "Please define the baud rates for your CPU clock (see ATmega128RFA1 datasheet) \
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or set the rate in contiki-conf.h"
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#endif
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/******************************************************************************/
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/*** Interrupt settings */
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/******************************************************************************/
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#define USART_INTERRUPT_RX_COMPLETE _BV (RXCIE0)
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#define USART_INTERRUPT_TX_COMPLETE _BV (TXCIE0)
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#define USART_INTERRUPT_DATA_REG_EMPTY _BV (UDRIE0)
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/******************************************************************************/
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/*** Receiver / transmitter */
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/******************************************************************************/
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#define USART_RECEIVER_ENABLE _BV (RXEN0)
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#define USART_TRANSMITTER_ENABLE _BV (TXEN0)
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/******************************************************************************/
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/*** Mode select */
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/******************************************************************************/
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#define USART_MODE_ASYNC 0x00
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#define USART_MODE_SYNC _BV (UMSEL00)
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/******************************************************************************/
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/*** Parity */
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/******************************************************************************/
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#define USART_PARITY_NONE 0x00
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#define USART_PARITY_EVEN _BV (UPM01)
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#define USART_PARITY_ODD _BV (UPM01) | _BV (UPM00)
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/******************************************************************************/
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/*** Stop bits */
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/******************************************************************************/
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#define USART_STOP_BITS_1 0x00
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#define USART_STOP_BITS_2 _BV (USBS)
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/******************************************************************************/
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/*** Character size */
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/******************************************************************************/
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#define USART_DATA_BITS_5 0x00
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#define USART_DATA_BITS_6 _BV (UCSZ00)
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#define USART_DATA_BITS_7 _BV (UCSZ01)
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#define USART_DATA_BITS_8 _BV (UCSZ01) | _BV (UCSZ00)
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// #define USART_DATA_BITS_9 (needs also UCSZ2 bit in UCSRnB)
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/******************************************************************************/
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/*** Clock polarity */
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/******************************************************************************/
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#define USART_RISING_XCKN_EDGE 0x00
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#define USART_FALLING_XCKN_EDGE _BV (UCPOL0)
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#endif /* #ifndef __RS232_ATMEGA128RFA1__ */
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