142 lines
6.1 KiB
C
142 lines
6.1 KiB
C
/*
|
|
* Copyright (c) 2006, Technical University of Munich
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
* @(#)$$
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* AVR specific definitions for the rs232 port.
|
|
*
|
|
* \author
|
|
* Simon Barner <barner@in.tum.de
|
|
*/
|
|
|
|
#ifndef __RS232_ATMEGA1281__
|
|
#define __RS232_ATMEGA1281__
|
|
/******************************************************************************/
|
|
/*** Includes */
|
|
/******************************************************************************/
|
|
#include <avr/io.h>
|
|
|
|
/******************************************************************************/
|
|
/*** RS232 ports */
|
|
/******************************************************************************/
|
|
#define RS232_PORT_0 0
|
|
#define RS232_PORT_1 1
|
|
|
|
/******************************************************************************/
|
|
/*** Baud rates */
|
|
/******************************************************************************/
|
|
#if (F_CPU == 16000000UL)
|
|
/* Single speed operation (U2X = 0)*/
|
|
#define USART_BAUD_2400 416
|
|
#define USART_BAUD_4800 207
|
|
#define USART_BAUD_9600 103
|
|
#define USART_BAUD_14400 68
|
|
#define USART_BAUD_19200 51
|
|
#define USART_BAUD_28800 34
|
|
#define USART_BAUD_38400 25
|
|
#define USART_BAUD_57600 16
|
|
#define USART_BAUD_76800 12
|
|
#define USART_BAUD_115200 8
|
|
#define USART_BAUD_230400 3
|
|
#define USART_BAUD_250000 3
|
|
#define USART_BAUD_500000 1
|
|
#define USART_BAUD_1000000 0
|
|
#elif (F_CPU == 8000000UL)
|
|
/* Single speed operation (U2X = 0)*/
|
|
#define USART_BAUD_2400 207
|
|
#define USART_BAUD_4800 103
|
|
#define USART_BAUD_9600 51
|
|
#define USART_BAUD_14400 34
|
|
#define USART_BAUD_19200 25
|
|
#define USART_BAUD_28800 16
|
|
#define USART_BAUD_38400 12
|
|
#define USART_BAUD_57600 8
|
|
#define USART_BAUD_76800 6
|
|
#define USART_BAUD_115200 3
|
|
#define USART_BAUD_230400 1
|
|
#define USART_BAUD_250000 1
|
|
#define USART_BAUD_500000 0
|
|
#else
|
|
#error "Please define the baud rates for your CPU clock: ATmega128 handbook p. \
|
|
195-198 or set the rate in contiki-conf.h"
|
|
#endif
|
|
|
|
|
|
/******************************************************************************/
|
|
/*** Interrupt settings */
|
|
/******************************************************************************/
|
|
#define USART_INTERRUPT_RX_COMPLETE _BV (RXCIE0)
|
|
#define USART_INTERRUPT_TX_COMPLETE _BV (TXCIE0)
|
|
#define USART_INTERRUPT_DATA_REG_EMPTY _BV (UDRIE0)
|
|
|
|
/******************************************************************************/
|
|
/*** Receiver / transmitter */
|
|
/******************************************************************************/
|
|
#define USART_RECEIVER_ENABLE _BV (RXEN0)
|
|
#define USART_TRANSMITTER_ENABLE _BV (TXEN0)
|
|
|
|
/******************************************************************************/
|
|
/*** Mode select */
|
|
/******************************************************************************/
|
|
#define USART_MODE_ASYNC 0x00
|
|
#define USART_MODE_SYNC _BV (UMSEL00)
|
|
|
|
/******************************************************************************/
|
|
/*** Parity */
|
|
/******************************************************************************/
|
|
#define USART_PARITY_NONE 0x00
|
|
#define USART_PARITY_EVEN _BV (UPM01)
|
|
#define USART_PARITY_ODD _BV (UPM01) | _BV (UPM00)
|
|
|
|
/******************************************************************************/
|
|
/*** Stop bits */
|
|
/******************************************************************************/
|
|
#define USART_STOP_BITS_1 0x00
|
|
#define USART_STOP_BITS_2 _BV (USBS)
|
|
|
|
/******************************************************************************/
|
|
/*** Character size */
|
|
/******************************************************************************/
|
|
#define USART_DATA_BITS_5 0x00
|
|
#define USART_DATA_BITS_6 _BV (UCSZ00)
|
|
#define USART_DATA_BITS_7 _BV (UCSZ01)
|
|
#define USART_DATA_BITS_8 _BV (UCSZ01) | _BV (UCSZ00)
|
|
// #define USART_DATA_BITS_9 (needs also UCSZ2 bit in UCSRnB)
|
|
|
|
/******************************************************************************/
|
|
/*** Clock polarity */
|
|
/******************************************************************************/
|
|
#define USART_RISING_XCKN_EDGE 0x00
|
|
#define USART_FALLING_XCKN_EDGE _BV (UCPOL0)
|
|
|
|
#endif /* #ifndef __RS232_ATMEGA1281__ */
|