00001 /* 00002 * Copyright (c) 2006, Technical University of Munich 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * 3. Neither the name of the Institute nor the names of its contributors 00014 * may be used to endorse or promote products derived from this software 00015 * without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 * 00029 * This file is part of the Contiki operating system. 00030 * 00031 * @(#)$$ 00032 */ 00033 00034 /** 00035 * \file 00036 * AVR specific definitions for the rs232 port. 00037 * 00038 * \author 00039 * Simon Barner <barner@in.tum.de 00040 */ 00041 00042 #ifndef __RS232_ATMEGA128__ 00043 #define __RS232_ATMEGA128__ 00044 /******************************************************************************/ 00045 /*** Includes */ 00046 /******************************************************************************/ 00047 #include <avr/io.h> 00048 00049 /******************************************************************************/ 00050 /*** RS232 ports */ 00051 /******************************************************************************/ 00052 #define RS232_PORT_0 0 00053 #define RS232_PORT_1 1 00054 00055 /******************************************************************************/ 00056 /*** Baud rates */ 00057 /******************************************************************************/ 00058 #if (F_CPU == 16000000UL) 00059 /* Single speed operation (U2X = 0)*/ 00060 #define USART_BAUD_2400 416 00061 #define USART_BAUD_4800 207 00062 #define USART_BAUD_9600 103 00063 #define USART_BAUD_14400 68 00064 #define USART_BAUD_19200 51 00065 #define USART_BAUD_28800 34 00066 #define USART_BAUD_38400 25 00067 #define USART_BAUD_57600 16 00068 #define USART_BAUD_76800 12 00069 #define USART_BAUD_115200 8 00070 #define USART_BAUD_230400 3 00071 #define USART_BAUD_250000 3 00072 #define USART_BAUD_500000 1 00073 #define USART_BAUD_1000000 0 00074 #elif (F_CPU == 14745600UL) 00075 /* Single speed operation (U2X = 0)*/ 00076 #define USART_BAUD_2400 383 00077 #define USART_BAUD_4800 191 00078 #define USART_BAUD_9600 95 00079 #define USART_BAUD_14400 63 00080 #define USART_BAUD_19200 47 00081 #define USART_BAUD_28800 31 00082 #define USART_BAUD_38400 23 00083 #define USART_BAUD_57600 15 00084 #define USART_BAUD_76800 11 00085 #define USART_BAUD_115200 7 00086 #define USART_BAUD_230400 3 00087 #define USART_BAUD_250000 3 00088 #define USART_BAUD_500000 1 00089 #define USART_BAUD_1000000 0 00090 #elif (F_CPU == 8000000UL) 00091 /* Single speed operation (U2X = 0)*/ 00092 #define USART_BAUD_2400 207 00093 #define USART_BAUD_4800 103 00094 #define USART_BAUD_9600 51 00095 #define USART_BAUD_14400 34 00096 #define USART_BAUD_19200 25 00097 #define USART_BAUD_28800 16 00098 #define USART_BAUD_38400 12 00099 #define USART_BAUD_57600 8 00100 #define USART_BAUD_76800 6 00101 #define USART_BAUD_115200 3 00102 #define USART_BAUD_230400 1 00103 #define USART_BAUD_250000 1 00104 #define USART_BAUD_500000 0 00105 /* For Micaz the MCU clock rate is 7.3728 MHz*/ 00106 #elif (F_CPU == 7372800UL) 00107 /* Single speed operation (U2X = 0)*/ 00108 #define USART_BAUD_2400 191 00109 #define USART_BAUD_4800 95 00110 #define USART_BAUD_9600 47 00111 #define USART_BAUD_14400 31 00112 #define USART_BAUD_19200 23 00113 #define USART_BAUD_28800 15 00114 #define USART_BAUD_38400 11 00115 #define USART_BAUD_57600 7 00116 #define USART_BAUD_76800 5 00117 #define USART_BAUD_115200 3 00118 #define USART_BAUD_230400 1 00119 #define USART_BAUD_250000 1 00120 #define USART_BAUD_500000 0 00121 #else 00122 #error "Please define the baud rates for your CPU clock: ATmega128 handbook p. \ 00123 195-198 or set the rate in contiki-conf.h" 00124 #endif 00125 00126 00127 /******************************************************************************/ 00128 /*** Interrupt settings */ 00129 /******************************************************************************/ 00130 #define USART_INTERRUPT_RX_COMPLETE _BV (RXCIE) 00131 #define USART_INTERRUPT_TX_COMPLETE _BV (TXCIE) 00132 #define USART_INTERRUPT_DATA_REG_EMPTY _BV (UDRIE) 00133 00134 /******************************************************************************/ 00135 /*** Receiver / transmitter */ 00136 /******************************************************************************/ 00137 #define USART_RECEIVER_ENABLE _BV (RXEN) 00138 #define USART_TRANSMITTER_ENABLE _BV (TXEN) 00139 00140 /******************************************************************************/ 00141 /*** Mode select */ 00142 /******************************************************************************/ 00143 #define USART_MODE_ASYNC 0x00 00144 #define USART_MODE_SYNC _BV (UMSEL) 00145 00146 /******************************************************************************/ 00147 /*** Parity */ 00148 /******************************************************************************/ 00149 #define USART_PARITY_NONE 0x00 00150 #define USART_PARITY_EVEN _BV (UPM1) 00151 #define USART_PARITY_ODD _BV (UPM1) | _BV (UPM0) 00152 00153 /******************************************************************************/ 00154 /*** Stop bits */ 00155 /******************************************************************************/ 00156 #define USART_STOP_BITS_1 0x00 00157 #define USART_STOP_BITS_2 _BV (USBS) 00158 00159 /******************************************************************************/ 00160 /*** Character size */ 00161 /******************************************************************************/ 00162 #define USART_DATA_BITS_5 0x00 00163 #define USART_DATA_BITS_6 _BV (UCSZ0) 00164 #define USART_DATA_BITS_7 _BV (UCSZ1) 00165 #define USART_DATA_BITS_8 _BV (UCSZ1) | _BV (UCSZ0) 00166 // #define USART_DATA_BITS_9 (needs also UCSZ2 bit in UCSRnB) 00167 00168 /******************************************************************************/ 00169 /*** Clock polarity */ 00170 /******************************************************************************/ 00171 #define USART_RISING_XCKN_EDGE 0x00 00172 #define USART_FALLING_XCKN_EDGE _BV (UCPOL) 00173 00174 #endif /* #ifndef __RS232_ATMEGA128__ */
1.6.1