110 lines
4 KiB
C
110 lines
4 KiB
C
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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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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* $Id: rs232.c,v 1.1 2006/08/21 12:11:19 fros4943 Exp $
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*/
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#include "lib/sensors.h"
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#include "dev/rs232.h"
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#include "dev/serial.h"
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#include "lib/simEnvChange.h"
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#include <string.h>
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#include <stdio.h>
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const struct simInterface rs232_interface;
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#define SERIAL_BUF_SIZE 1024
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// COOJA variables
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char simSerialReceivingData[SERIAL_BUF_SIZE];
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int simSerialReceivingLength;
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char simSerialReceivingFlag;
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char simSerialSendingData[SERIAL_BUF_SIZE];
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int simSerialSendingLength;
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char simSerialSendingFlag;
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static int (* input_handler)(unsigned char) = NULL;
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/*-----------------------------------------------------------------------------------*/
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void rs232_init(void) { }
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/*-----------------------------------------------------------------------------------*/
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void rs232_set_speed(unsigned char speed) { }
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/*-----------------------------------------------------------------------------------*/
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void
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rs232_set_input(int (*f)(unsigned char))
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{
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input_handler = f;
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}
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/*-----------------------------------------------------------------------------------*/
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void rs232_send(char c) {
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simSerialSendingData[simSerialSendingLength] = c;
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simSerialSendingLength += 1;
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simSerialSendingFlag = 1;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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rs232_print(char *message)
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{
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memcpy(&simSerialSendingData[0] + simSerialSendingLength, &message[0], strlen(message));
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simSerialSendingLength += strlen(message);
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simSerialSendingFlag = 1;
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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doInterfaceActionsBeforeTick(void)
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{
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int i;
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// Check if this mote has received data on RS232
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if (simSerialReceivingFlag && simSerialReceivingLength > 0) {
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// Tell user specified poll function
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if(input_handler != NULL)
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for (i=0; i < simSerialReceivingLength; i++)
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input_handler(simSerialReceivingData[i]);
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// Tell serial process
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for (i=0; i < simSerialReceivingLength; i++)
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serial_input_byte(simSerialReceivingData[i]);
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serial_input_byte(0x0a);
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simSerialReceivingLength = 0;
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simSerialReceivingFlag = 0;
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}
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}
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/*-----------------------------------------------------------------------------------*/
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static void
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doInterfaceActionsAfterTick(void)
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{
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}
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/*-----------------------------------------------------------------------------------*/
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SIM_INTERFACE(rs232_interface,
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doInterfaceActionsBeforeTick,
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doInterfaceActionsAfterTick);
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