Temporary deletion of files due to problems with the CVS repository
This commit is contained in:
adamdunkels
parent
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commit
60075ec59e
99
platform/esb/dev/battery-sensor.c
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99
platform/esb/dev/battery-sensor.c
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@ -0,0 +1,99 @@
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/*
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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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||||||
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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: battery-sensor.c,v 1.3 2006/06/18 08:07:30 adamdunkels Exp $
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*
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* -----------------------------------------------------------------
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*
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* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
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* Created : 2005-11-01
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* Updated : $Date: 2006/06/18 08:07:30 $
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* $Revision: 1.3 $
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*/
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#include "dev/battery-sensor.h"
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#include <io.h>
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#include "dev/irq.h"
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const struct sensors_sensor battery_sensor;
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static unsigned int battery_value;
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/*---------------------------------------------------------------------------*/
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static void
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init(void)
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{
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battery_value = 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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irq(void)
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{
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battery_value = ADC12MEM6;
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void
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activate(void)
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{
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irq_adc12_activate(&battery_sensor, 6, (INCH_4 + SREF_0));
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}
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/*---------------------------------------------------------------------------*/
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static void
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deactivate(void)
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{
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irq_adc12_deactivate(&battery_sensor, 6);
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battery_value = 0;
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}
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/*---------------------------------------------------------------------------*/
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static int
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active(void)
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{
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return irq_adc12_active(6);
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}
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/*---------------------------------------------------------------------------*/
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static unsigned int
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value(int type)
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{
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return battery_value;
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}
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/*---------------------------------------------------------------------------*/
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static int
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configure(int type, void *c)
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{
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return 0;
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}
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/*---------------------------------------------------------------------------*/
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static void *
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status(int type)
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{
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return NULL;
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}
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/*---------------------------------------------------------------------------*/
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SENSORS_SENSOR(battery_sensor, BATTERY_SENSOR,
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init, irq, activate, deactivate, active,
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value, configure, status);
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@ -1,5 +1,5 @@
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/*
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/*
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* Copyright (c) 2005, Swedish Institute of Computer Science
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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* All rights reserved.
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* Redistribution and use in source and binary forms, with or without
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@ -26,36 +26,23 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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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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* SUCH DAMAGE.
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*
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*
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* This file is part of the Contiki operating system.
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* $Id: battery-sensor.h,v 1.3 2006/06/18 08:07:30 adamdunkels Exp $
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*
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*
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* @(#)$Id: dtc.h,v 1.1 2006/06/18 07:49:34 adamdunkels Exp $
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* -----------------------------------------------------------------
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*/
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/**
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* \addtogroup dtc
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*
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*
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* @{
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* Author : Adam Dunkels, Joakim Eriksson, Niclas Finne
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* Created : 2005-11-01
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* Updated : $Date: 2006/06/18 08:07:30 $
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* $Revision: 1.3 $
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*/
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*/
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/**
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#ifndef __BATTERY_SENSOR_H__
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* \file
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#define __BATTERY_SENSOR_H__
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* Header file for the distributed TCP caching implementation.
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* \author Adam Dunkels <adam@sics.se>
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*
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*/
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#include "lib/sensors.h"
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extern const struct sensors_sensor battery_sensor;
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#ifndef __DTC_H__
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#define BATTERY_SENSOR "Battery"
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#define __DTC_H__
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#include "uip.h"
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#endif /* __BATTERY_SENSOR_H__ */
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#include "uipopt.h"
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void dtc_init(void);
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u8_t dtc_input(u8_t *packetptr, u16_t len);
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PROCESS_NAME(dtc_process);
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#endif /* __DTC_H__ */
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/** @} */
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164
platform/esb/dev/beep.c
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164
platform/esb/dev/beep.c
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@ -0,0 +1,164 @@
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/*
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* Copyright (c) 2005, 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
|
||||||
|
* 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
|
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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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||||||
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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
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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||||||
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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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* @(#)$Id: beep.c,v 1.3 2006/06/18 08:07:30 adamdunkels Exp $
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*/
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#include <io.h>
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#include "contiki-esb.h"
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/*
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* Flag to indicate if any of these functions should generate a sound
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* or not The function is used beep_off() to to change this flag so
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* none of the functions will generate sounds.
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*/
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static unsigned char beep_flag = BEEP_ON;
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/*
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* BEEPER_BIT is the bit in the io-register that is connected to the actual
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* beeper, setting the bit high vill generate a high pitch tone.
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*/
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#define BEEPER_BIT 0x08
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/*-----------------------------------------------------------------------------------*/
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void
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beep_alarm(int alarmmode, int len)
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{
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len = len / 200;
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while(len > 0) {
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/*
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* Check here if we should beep or not since if we do it outside the
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* while loop the call to this function would take muck less time, i.e.
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* beep_flag would have side effects that might not be predictable.
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*/
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if(beep_flag & BEEP_ON) {
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if((alarmmode == BEEP_ALARM1) && ((len & 7) > 4)) {
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P2OUT |= BEEPER_BIT;
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} else if((alarmmode == BEEP_ALARM2) && ((len & 15) > 12)) {
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P2OUT |= BEEPER_BIT;
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} else {
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P2OUT &= ~BEEPER_BIT;
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}
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}
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clock_delay(200);
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len--;
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}
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P2OUT &= ~BEEPER_BIT;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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beep_beep(int i)
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{
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if(beep_flag & BEEP_ON) {
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/* Beep. */
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P2OUT |= BEEPER_BIT;
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clock_delay(i);
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P2OUT &= ~BEEPER_BIT;
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}
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}
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/*-----------------------------------------------------------------------------------*/
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void
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beep(void)
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{
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beep_beep(20);
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}
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/*-----------------------------------------------------------------------------------*/
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void
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beep_down(int d)
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{
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int i;
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for(i = 8; i < d; i += i / 8) {
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beep_beep(10);
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clock_delay(i);
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}
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}
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/*-----------------------------------------------------------------------------------*/
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void
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beep_on(void)
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{
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beep_flag |= BEEP_ON;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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beep_off(void)
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{
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beep_flag &= ~BEEP_ON;
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}
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/*-----------------------------------------------------------------------------------*/
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void
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beep_spinup(void)
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{
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unsigned int i;
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for(i = 10000; i > 80; i -= i / 20) {
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beep_beep(2);
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clock_delay(i);
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}
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for(i = 4980; i > 2000; i -= 20) {
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leds_on(LEDS_ALL);
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clock_delay(5000 - i);
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leds_off(LEDS_ALL);
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clock_delay(i);
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}
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}
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/*-----------------------------------------------------------------------------------*/
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|
void
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beep_quick(int n)
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|
{
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|
int i;
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|
for(i = 0; i < n; ++i) {
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||||||
|
beep_beep(2000);
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|
clock_delay(20000);
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}
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|
}
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||||||
|
/*-----------------------------------------------------------------------------------*/
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|
void beep_long(clock_time_t len) {
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|
/*
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|
* Check if the beeper is turned on or off, i.e. if a call should generate
|
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* a noise or not.
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|
*/
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if(beep_flag & BEEP_ON) {
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/* Turn on the beeper. */
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P2OUT |= BEEPER_BIT;
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|
}
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||||||
|
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|
clock_wait(len);
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||||||
|
|
||||||
|
if(beep_flag & BEEP_ON) {
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||||||
|
/* Turn the beeper off. */
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|
P2OUT &= ~BEEPER_BIT;
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||||||
|
}
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||||||
|
}
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/*-----------------------------------------------------------------------------------*/
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||||||
166
platform/esb/dev/beep.h
Normal file
166
platform/esb/dev/beep.h
Normal file
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|
@ -0,0 +1,166 @@
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||||||
|
/*
|
||||||
|
* Copyright (c) 2005, Swedish Institute of Computer Science
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* @(#)$Id: beep.h,v 1.3 2006/06/18 08:07:31 adamdunkels Exp $
|
||||||
|
*/
|
||||||
|
/**
|
||||||
|
* \addtogroup esb
|
||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \defgroup beeper Beeper interface
|
||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* \file
|
||||||
|
* Interface to the beeper.
|
||||||
|
* \author Adam Dunkels <adam@sics.se>
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __BEEP_H__
|
||||||
|
#define __BEEP_H__
|
||||||
|
|
||||||
|
#define BEEP_ON 1
|
||||||
|
#define BEEP_OFF 0
|
||||||
|
|
||||||
|
#define BEEP_ALARM1 1
|
||||||
|
#define BEEP_ALARM2 2
|
||||||
|
|
||||||
|
#include "sys/clock.h"
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Beep for a specified time.
|
||||||
|
*
|
||||||
|
* This function causes the beeper to beep for the specified time. The
|
||||||
|
* time is measured in the same units as for the clock_delay()
|
||||||
|
* function.
|
||||||
|
*
|
||||||
|
* \note This function will hang the CPU during the beep.
|
||||||
|
*
|
||||||
|
* \note This function will stop any beep that was on previously when this
|
||||||
|
* function ends.
|
||||||
|
*
|
||||||
|
* \note If the beeper is turned off with beep_off() this call will still
|
||||||
|
* take the same time, though it will be silent.
|
||||||
|
*
|
||||||
|
* \param len The length of the beep.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void beep_beep(int len);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Beep an alarm for a specified time.
|
||||||
|
*
|
||||||
|
* This function causes the beeper to beep for the specified time. The
|
||||||
|
* time is measured in the same units as for the clock_delay()
|
||||||
|
* function.
|
||||||
|
*
|
||||||
|
* \note This function will hang the CPU during the beep.
|
||||||
|
*
|
||||||
|
* \note This function will stop any beep that was on previously when this
|
||||||
|
* function ends.
|
||||||
|
*
|
||||||
|
* \note If the beeper is turned off with beep_off() this call will still
|
||||||
|
* take the same time, though it will be silent.
|
||||||
|
*
|
||||||
|
* \param alarmmode The alarm mode (BEEP_ALARM1,BEEP_ALARM2)
|
||||||
|
* \param len The length of the beep.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void beep_alarm(int alarmmode, int len);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Produces a quick click-like beep.
|
||||||
|
*
|
||||||
|
* This function produces a short beep that sounds like a click.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void beep(void);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A beep with a pitch-bend down.
|
||||||
|
*
|
||||||
|
* This function produces a pitch-bend sound with deecreasing
|
||||||
|
* frequency.
|
||||||
|
*
|
||||||
|
* \param len The length of the pitch-bend.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void beep_down(int len);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Turn the beeper on.
|
||||||
|
*
|
||||||
|
* This function turns on the beeper. The beeper is turned off with
|
||||||
|
* the beep_off() function.
|
||||||
|
*/
|
||||||
|
void beep_on(void);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Turn the beeper off.
|
||||||
|
*
|
||||||
|
* This function turns the beeper off after it has been turned on with
|
||||||
|
* beep_on().
|
||||||
|
*/
|
||||||
|
void beep_off(void);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Produce a sound similar to a hard-drive spinup.
|
||||||
|
*
|
||||||
|
* This function produces a sound that is intended to be similar to
|
||||||
|
* the sound a hard-drive makes when it starts.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void beep_spinup(void);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Beep for a long time (seconds)
|
||||||
|
*
|
||||||
|
* This function produces a beep with the specified length and will
|
||||||
|
* not return until the beep is complete. The length of the beep is
|
||||||
|
* specified using CLOCK_SECOND: a two second beep is CLOCK_SECOND *
|
||||||
|
* 2, and a quarter second beep is CLOCK_SECOND / 4.
|
||||||
|
*
|
||||||
|
* \note If the beeper is turned off with beep_off() this call will still
|
||||||
|
* take the same time, though it will be silent.
|
||||||
|
*
|
||||||
|
* \param len The length of the beep, measured in units of CLOCK_SECOND
|
||||||
|
*/
|
||||||
|
void beep_long(clock_time_t len);
|
||||||
|
|
||||||
|
void beep_quick(int num);
|
||||||
|
|
||||||
|
/** @} */
|
||||||
|
/** @} */
|
||||||
|
|
||||||
|
#endif /* __BEEP_H__ */
|
||||||
108
platform/esb/dev/button-sensor.c
Normal file
108
platform/esb/dev/button-sensor.c
Normal file
|
|
@ -0,0 +1,108 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2005, Swedish Institute of Computer Science
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* @(#)$Id: button-sensor.c,v 1.3 2006/06/18 08:07:31 adamdunkels Exp $
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "contiki-esb.h"
|
||||||
|
|
||||||
|
const struct sensors_sensor button_sensor;
|
||||||
|
|
||||||
|
static struct timer debouncetimer;
|
||||||
|
|
||||||
|
HWCONF_PIN(BUTTON, 2, 7);
|
||||||
|
HWCONF_IRQ(BUTTON, 2, 7);
|
||||||
|
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
init(void)
|
||||||
|
{
|
||||||
|
timer_set(&debouncetimer, 0);
|
||||||
|
BUTTON_IRQ_EDGE_SELECTD();
|
||||||
|
|
||||||
|
BUTTON_SELECT();
|
||||||
|
BUTTON_MAKE_INPUT();
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static int
|
||||||
|
irq(void)
|
||||||
|
{
|
||||||
|
if(BUTTON_CHECK_IRQ()) {
|
||||||
|
if(timer_expired(&debouncetimer)) {
|
||||||
|
timer_set(&debouncetimer, CLOCK_SECOND / 4);
|
||||||
|
sensors_changed(&button_sensor);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
activate(void)
|
||||||
|
{
|
||||||
|
sensors_add_irq(&button_sensor, BUTTON_IRQ_PORT());
|
||||||
|
BUTTON_ENABLE_IRQ();
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void
|
||||||
|
deactivate(void)
|
||||||
|
{
|
||||||
|
BUTTON_DISABLE_IRQ();
|
||||||
|
sensors_remove_irq(&button_sensor, BUTTON_IRQ_PORT());
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static int
|
||||||
|
active(void)
|
||||||
|
{
|
||||||
|
return BUTTON_IRQ_ENABLED();
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static unsigned int
|
||||||
|
value(int type)
|
||||||
|
{
|
||||||
|
return BUTTON_READ() || !timer_expired(&debouncetimer);
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static int
|
||||||
|
configure(int type, void *c)
|
||||||
|
{
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
static void *
|
||||||
|
status(int type)
|
||||||
|
{
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
/*---------------------------------------------------------------------------*/
|
||||||
|
SENSORS_SENSOR(button_sensor, BUTTON_SENSOR,
|
||||||
|
init, irq, activate, deactivate, active,
|
||||||
|
value, configure, status);
|
||||||
|
|
@ -28,13 +28,15 @@
|
||||||
*
|
*
|
||||||
* This file is part of the Contiki operating system.
|
* This file is part of the Contiki operating system.
|
||||||
*
|
*
|
||||||
* @(#)$Id: rs232-slip-drv.h,v 1.1 2006/06/18 07:49:34 adamdunkels Exp $
|
* @(#)$Id: button-sensor.h,v 1.3 2006/06/18 08:07:31 adamdunkels Exp $
|
||||||
*/
|
*/
|
||||||
#ifndef __RS232_SLIP_DRV_H__
|
#ifndef __BUTTON_SENSOR_H__
|
||||||
#define __RS232_SLIP_DRV_H__
|
#define __BUTTON_SENSOR_H__
|
||||||
|
|
||||||
void rs232_slip_drv_init(void *);
|
#include "lib/sensors.h"
|
||||||
|
|
||||||
void rs232_slip_drv_request_poll(void);
|
extern const struct sensors_sensor button_sensor;
|
||||||
|
|
||||||
#endif /* __RS232_SLIP_DRV_H__ */
|
#define BUTTON_SENSOR "Button"
|
||||||
|
|
||||||
|
#endif /* __BUTTON_SENSOR_H__ */
|
||||||
|
|
@ -1,102 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
||||||
* 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.
|
|
||||||
*
|
|
||||||
* @(#)$Id: dtc-conf.h,v 1.1 2006/06/18 07:49:33 adamdunkels Exp $
|
|
||||||
*/
|
|
||||||
/**
|
|
||||||
* \file
|
|
||||||
* Configuration options for the distributed TCP caching module.
|
|
||||||
* \author Adam Dunkels <adam@sics.se>
|
|
||||||
*/
|
|
||||||
|
|
||||||
#ifndef __DTC_CONF_H__
|
|
||||||
#define __DTC_CONF_H__
|
|
||||||
|
|
||||||
#include "uipopt.h"
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The maximum size of a TCP segment (excluding headers) that can be
|
|
||||||
* cached by the distributed TCP caching module.
|
|
||||||
*
|
|
||||||
* The distributed TCP caching module statically allocates memory for
|
|
||||||
* holding cached TCP segments. This configuration parameter sets the
|
|
||||||
* size of those blocks. The DTC_CONF_NUM_SEGMENTS configuration
|
|
||||||
* parameter sets the number of packet caches that are allocated.
|
|
||||||
*
|
|
||||||
* \hideinitializer
|
|
||||||
*/
|
|
||||||
#define DTC_CONF_MAX_SEGSIZE UIP_TCP_MSS
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The number of TCP segments that the distributed TCP caching module can hold.
|
|
||||||
*
|
|
||||||
* This configuration parameter affects how much memory is allocated
|
|
||||||
* to the TCP segment cache. The size of each cache block is set with
|
|
||||||
* the DTC_CONF_MAX_SEGSIZE parameter.
|
|
||||||
*
|
|
||||||
* \hideinitializer
|
|
||||||
*/
|
|
||||||
#define DTC_CONF_NUM_SEGMENTS 1
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The number of simulataneous TCP connections that the distributed TCP caching can handle simulataneously.
|
|
||||||
*
|
|
||||||
* This configuration parameter specifies the maximum amount of
|
|
||||||
* simultaneous TCP connections that can be handled by the distributed
|
|
||||||
* TCP caching module. Note that this parameter does not limit the
|
|
||||||
* amount of TCP connections that can go through the node, only how
|
|
||||||
* many connections that will benefit from the help of the distributed
|
|
||||||
* TCP caching mechanism.
|
|
||||||
*
|
|
||||||
* \hideinitializer
|
|
||||||
*/
|
|
||||||
#define DTC_CONF_NUM_CONNECTIONS 1
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Type definition of the native unsigned 32-bit datatype.
|
|
||||||
*
|
|
||||||
* This configuration option defines the native 32-bit datatype for
|
|
||||||
* the platform on which the distributed TCP caching mechanism is to
|
|
||||||
* be run. Normally, the unsigned 32-bit datatype is "unsigned long",
|
|
||||||
* but check the manual for the C compiler to be sure.
|
|
||||||
*/
|
|
||||||
typedef unsigned long u32_t;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Type definition of the native signed 32-bit datatype.
|
|
||||||
*
|
|
||||||
* This configuration option defines the native 32-bit datatype for
|
|
||||||
* the platform on which the distributed TCP caching mechanism is to
|
|
||||||
* be run. Normally, the signed 32-bit datatype is "signed long", but
|
|
||||||
* check the manual for the C compiler to be sure.
|
|
||||||
*/
|
|
||||||
typedef signed long s32_t;
|
|
||||||
|
|
||||||
#endif /* __DTC_CONF_H__ */
|
|
||||||
|
|
@ -1,80 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
||||||
* 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.
|
|
||||||
*
|
|
||||||
* @(#)$Id: dtc-nullservice.c,v 1.1 2006/06/18 07:49:34 adamdunkels Exp $
|
|
||||||
*/
|
|
||||||
#include "contiki.h"
|
|
||||||
#include "dtc-service.h"
|
|
||||||
#include "uip-fw.h"
|
|
||||||
|
|
||||||
static u8_t input(void) {return UIP_FW_OK;}
|
|
||||||
static u8_t output(void) {return UIP_FW_OK;}
|
|
||||||
|
|
||||||
static const struct dtc_service_interface state =
|
|
||||||
{
|
|
||||||
DTC_SERVICE_VERSION,
|
|
||||||
input,
|
|
||||||
output
|
|
||||||
};
|
|
||||||
|
|
||||||
EK_EVENTHANDLER(eventhandler, ev, data);
|
|
||||||
/*EK_POLLHANDLER(pollhandler);*/
|
|
||||||
EK_PROCESS(p, DTC_SERVICE_NAME ": null", EK_PRIO_NORMAL,
|
|
||||||
eventhandler, NULL/*pollhandler*/, (void *)&state);
|
|
||||||
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
EK_PROCESS_INIT(dtc_service_init, arg)
|
|
||||||
{
|
|
||||||
ek_service_start(DTC_SERVICE_NAME, &p);
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
EK_EVENTHANDLER(eventhandler, ev, data)
|
|
||||||
{
|
|
||||||
switch(ev) {
|
|
||||||
case EK_EVENT_INIT:
|
|
||||||
case EK_EVENT_REPLACE:
|
|
||||||
break;
|
|
||||||
case EK_EVENT_REQUEST_REPLACE:
|
|
||||||
ek_replace((struct ek_proc *)data, NULL);
|
|
||||||
break;
|
|
||||||
case EK_EVENT_REQUEST_EXIT:
|
|
||||||
ek_exit();
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
/*EK_POLLHANDLER(pollhandler)
|
|
||||||
{
|
|
||||||
|
|
||||||
}*/
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
|
|
@ -1,45 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
||||||
* 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.
|
|
||||||
*
|
|
||||||
* @(#)$Id: dtc-service.h,v 1.1 2006/06/18 07:49:34 adamdunkels Exp $
|
|
||||||
*/
|
|
||||||
#ifndef __DTC_SERVICE_H__
|
|
||||||
#define __DTC_SERVICE_H__
|
|
||||||
|
|
||||||
#include "contiki.h"
|
|
||||||
|
|
||||||
#define dtc_service_name "DTC"
|
|
||||||
|
|
||||||
SERVICE_INTERFACE(dtc_service, {
|
|
||||||
u8_t (* input)(u8_t *p, u16_t len); /* Called when data arrives. */
|
|
||||||
u8_t (* output)(void); /* Called to send data. */
|
|
||||||
});
|
|
||||||
|
|
||||||
#endif /* __DTC_SERVICE_H__ */
|
|
||||||
|
|
@ -1,612 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
||||||
* 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.
|
|
||||||
*
|
|
||||||
* @(#)$Id: dtc.c,v 1.1 2006/06/18 07:49:34 adamdunkels Exp $
|
|
||||||
*/
|
|
||||||
/**
|
|
||||||
* \defgroup dtc Distributed TCP caching
|
|
||||||
*
|
|
||||||
* Distributed TCP Caching (DTC) is a mechanism that helps to improve
|
|
||||||
* the energy efficiency of TCP in wireless sensor networks.
|
|
||||||
*
|
|
||||||
* @{
|
|
||||||
*/
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \file
|
|
||||||
* Implementation of the distributed TCP caching mechanism for uIP.
|
|
||||||
* \author Adam Dunkels <adam@sics.se>
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
|
|
||||||
|
|
||||||
#include "contiki.h"
|
|
||||||
#include "dtc-service.h"
|
|
||||||
#include "uip-fw.h"
|
|
||||||
|
|
||||||
#include "dtc.h"
|
|
||||||
#include "dtc-conf.h"
|
|
||||||
#include "uip.h"
|
|
||||||
#include "uip-fw.h"
|
|
||||||
#include "uip_arch.h"
|
|
||||||
|
|
||||||
#include "list.h"
|
|
||||||
#include "contiki.h"
|
|
||||||
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The TCP and IP headers.
|
|
||||||
*/
|
|
||||||
struct tcpip_hdr {
|
|
||||||
/* IP header. */
|
|
||||||
u8_t vhl,
|
|
||||||
tos;
|
|
||||||
u16_t len;
|
|
||||||
|
|
||||||
u8_t ipid[2],
|
|
||||||
ipoffset[2],
|
|
||||||
ttl,
|
|
||||||
proto;
|
|
||||||
u16_t ipchksum;
|
|
||||||
u32_t srcipaddr,
|
|
||||||
destipaddr;
|
|
||||||
|
|
||||||
/* TCP header. */
|
|
||||||
u16_t srcport,
|
|
||||||
destport;
|
|
||||||
u32_t seqno, ackno;
|
|
||||||
u8_t tcpoffset,
|
|
||||||
flags;
|
|
||||||
u16_t wnd;
|
|
||||||
u16_t tcpchksum;
|
|
||||||
u8_t urgp[2];
|
|
||||||
u8_t data[4];
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* Structure for keeping the state of one TCP end-point.
|
|
||||||
*/
|
|
||||||
struct dtc_tcpend {
|
|
||||||
u32_t ipaddr; /**< The IP address of the end-point. */
|
|
||||||
u32_t seqno; /**< The next expected TCP sequence number from the
|
|
||||||
end-point. */
|
|
||||||
u32_t rttseq; /**< The sequence number for which an RTT
|
|
||||||
measurement is currently being made, or 0 if no
|
|
||||||
measurement is being made. */
|
|
||||||
u16_t port; /**< The TCP port number of the end-point. */
|
|
||||||
u16_t window; /**< The receiver window for the end-point. */
|
|
||||||
int sa; /**< The smoothed avergage for the RTT
|
|
||||||
estimations. */
|
|
||||||
int sv; /**< The smoothed variance for the RTT
|
|
||||||
estimations. */
|
|
||||||
u8_t rto; /**< The RTO generated from the RTT estimations. */
|
|
||||||
u8_t tmr; /**< Timer. */
|
|
||||||
u8_t nrtx; /**< Number of retransmissions performed by the
|
|
||||||
distributed TCP snoop module. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The structure holding the state of a TCP connection.
|
|
||||||
*/
|
|
||||||
struct dtc_conn {
|
|
||||||
struct dtc_conn *next;
|
|
||||||
list_t segments;
|
|
||||||
struct dtc_tcpend e1; /**< First TCP end-point. */
|
|
||||||
struct dtc_tcpend e2; /**< Second TCP end-point. */
|
|
||||||
u8_t tmr; /**< Timer. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The structure holding a cached TCP segment.
|
|
||||||
*/
|
|
||||||
struct dtc_segment {
|
|
||||||
struct dtc_segment *next;
|
|
||||||
struct tcpip_hdr hdr; /**< The TCP and IP headers of the
|
|
||||||
packet. */
|
|
||||||
struct dtc_conn *conn; /**< Pointer to the connection that the
|
|
||||||
segment belongs to. */
|
|
||||||
u16_t len; /**< The length of the segment,
|
|
||||||
measured in TCP bytes. */
|
|
||||||
u8_t data[DTC_CONF_MAX_SEGSIZE];
|
|
||||||
/**< The data contained in the
|
|
||||||
segment. */
|
|
||||||
u8_t tmr; /**< Timer - starts at 0 and counts
|
|
||||||
upward every time
|
|
||||||
dtc_periodic() is invoked. */
|
|
||||||
};
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The list of cached TCP segments.
|
|
||||||
*/
|
|
||||||
MEMB(segments, sizeof(struct dtc_segment), DTC_CONF_NUM_SEGMENTS);
|
|
||||||
/*static struct dtc_segment segments[DTC_CONF_NUM_SEGMENTS];*/
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The list of TCP connections for which the distributed TCP snoop
|
|
||||||
* mechanism is active.
|
|
||||||
*/
|
|
||||||
MEMB(conns, sizeof(struct dtc_conn), DTC_CONF_NUM_CONNECTIONS);
|
|
||||||
/*static struct dtc_conn conns[DTC_CONF_NUM_CONNECTIONS];*/
|
|
||||||
|
|
||||||
LIST(connlist);
|
|
||||||
|
|
||||||
#define TCP_SEQ_LT(a,b) ((s32_t)((a)-(b)) < 0)
|
|
||||||
#define TCP_SEQ_LEQ(a,b) ((s32_t)((a)-(b)) <= 0)
|
|
||||||
#define TCP_SEQ_GT(a,b) ((s32_t)((a)-(b)) > 0)
|
|
||||||
#define TCP_SEQ_GEQ(a,b) ((s32_t)((a)-(b)) >= 0)
|
|
||||||
#define TCP_FIN 0x01
|
|
||||||
#define TCP_SYN 0x02
|
|
||||||
#define TCP_RST 0x04
|
|
||||||
#define TCP_PSH 0x08
|
|
||||||
#define TCP_ACK 0x10
|
|
||||||
#define TCP_URG 0x20
|
|
||||||
#define TCP_CTL 0x3f
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The length of the standard IP header, without IP options.
|
|
||||||
*/
|
|
||||||
#define IP_HLEN 20
|
|
||||||
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* The start value of the retransmission time-out.
|
|
||||||
*/
|
|
||||||
#define RTO 30
|
|
||||||
|
|
||||||
static u32_t htonl(u32_t n);
|
|
||||||
|
|
||||||
|
|
||||||
static u8_t input(u8_t *packetptr, u16_t len);
|
|
||||||
static u8_t output(void) {return UIP_FW_OK;}
|
|
||||||
|
|
||||||
SERVICE(dtc_service, dtc_service, { input, output });
|
|
||||||
|
|
||||||
PROCESS(dtc_process, "Distributed TCP Caching");
|
|
||||||
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* Initialize the distributed snoop module.
|
|
||||||
*
|
|
||||||
* This function initializes the distributed snoop module and must be
|
|
||||||
* called before any of the other functions are used.
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static void
|
|
||||||
init_dtc(void)
|
|
||||||
{
|
|
||||||
memb_init(&conns);
|
|
||||||
memb_init(&segments);
|
|
||||||
|
|
||||||
list_init(connlist);
|
|
||||||
/* list_init(segmentlist);*/
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* Save a segment in the segment cache.
|
|
||||||
*
|
|
||||||
* \param hdr Pointer to the header of the segment.
|
|
||||||
* \param len The length of the segment.
|
|
||||||
*
|
|
||||||
* \return A pointer to the cached segment, or NULL if the cache was full.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static struct dtc_segment *
|
|
||||||
cache_segment(struct dtc_conn *conn,
|
|
||||||
struct tcpip_hdr *hdr, u16_t len)
|
|
||||||
{
|
|
||||||
struct dtc_segment *s;
|
|
||||||
|
|
||||||
/* Check if there are any unused slots in the segment cache. */
|
|
||||||
s = (struct dtc_segment *)memb_alloc(&segments);
|
|
||||||
|
|
||||||
if(s == NULL) {
|
|
||||||
/* Here we might try to make room in the segment cache, but for
|
|
||||||
now we simply return. */
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Do some sanity checks on the segment to be cached. */
|
|
||||||
if(len < 40 ||
|
|
||||||
len - 40 > DTC_CONF_MAX_SEGSIZE) {
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Calculate the length of the segment in TCP bytes. We do this by
|
|
||||||
taking the length of the IP packet, and subtract the size of the
|
|
||||||
IP and TCP headers. Since we only allow IP packets without
|
|
||||||
options, we know that the IP header is 20 bytes large, and we use
|
|
||||||
the header offset field of the TCP header to calculate the length
|
|
||||||
of the TCP header + options.
|
|
||||||
|
|
||||||
Finally, if the segment has the SYN or FIN flags set, we add one
|
|
||||||
to the segment length. */
|
|
||||||
|
|
||||||
s->len = htons(hdr->len) - IP_HLEN - ((hdr->tcpoffset >> 4) << 2);
|
|
||||||
if((hdr->flags & (TCP_SYN | TCP_FIN)) != 0) {
|
|
||||||
++s->len;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* If there is no TCP data in the segment, there is no need to cache
|
|
||||||
it. */
|
|
||||||
if(s->len == 0) {
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
s->tmr = 0;
|
|
||||||
|
|
||||||
/* Copy the TCP/IP headers. */
|
|
||||||
memcpy(&s->hdr, hdr, 40);
|
|
||||||
|
|
||||||
/* Copy the segment data. */
|
|
||||||
memcpy(&s->data, &hdr->data[0], len - 40);
|
|
||||||
|
|
||||||
/* Add segment to list of segments on the connection's list. */
|
|
||||||
list_add(conn->segments, s);
|
|
||||||
|
|
||||||
return s;
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* Process an incoming TCP segment for a connection.
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static u8_t
|
|
||||||
process_segment(struct dtc_conn *conn,
|
|
||||||
struct dtc_tcpend *src,
|
|
||||||
struct dtc_tcpend *dst,
|
|
||||||
u8_t *packetptr, u16_t len)
|
|
||||||
{
|
|
||||||
struct tcpip_hdr *hdr;
|
|
||||||
struct dtc_segment *s;
|
|
||||||
int m;
|
|
||||||
|
|
||||||
hdr = (struct tcpip_hdr *)packetptr;
|
|
||||||
|
|
||||||
/* Check if the incoming segment acknowledges one in the segment
|
|
||||||
list of the connection. */
|
|
||||||
for(s = list_head(conn->segments); s != NULL; s = s->next) {
|
|
||||||
|
|
||||||
printf("process_segment: for this conn, ack %d, ack %lu, seq %lu\n",
|
|
||||||
(hdr->flags & TCP_ACK), htonl(hdr->ackno),
|
|
||||||
htonl(s->hdr.seqno) + s->len);
|
|
||||||
|
|
||||||
|
|
||||||
/* Check if the incoming segment acknowledges this one. If so,
|
|
||||||
we should drop the cached segment and possibly do RTT
|
|
||||||
measurements. */
|
|
||||||
|
|
||||||
if((s->hdr.srcipaddr == hdr->destipaddr) &&
|
|
||||||
(hdr->flags & TCP_ACK) != 0 &&
|
|
||||||
TCP_SEQ_GEQ(htonl(hdr->ackno), htonl(s->hdr.seqno) + s->len)) {
|
|
||||||
|
|
||||||
/* Do RTT estimation, unless we have done retransmissions. */
|
|
||||||
if(src->rttseq != 0 &&
|
|
||||||
TCP_SEQ_GEQ(htonl(hdr->ackno), src->rttseq) &&
|
|
||||||
src->nrtx == 0) {
|
|
||||||
|
|
||||||
printf("Performing RTT estimation for seqno %lu (timer %d)\n",
|
|
||||||
src->rttseq, src->tmr);
|
|
||||||
|
|
||||||
m = src->tmr;
|
|
||||||
/* This is taken directly from VJs original code in his paper */
|
|
||||||
m = m - (src->sa >> 3);
|
|
||||||
src->sa += m;
|
|
||||||
if(m < 0) {
|
|
||||||
m = -m;
|
|
||||||
}
|
|
||||||
m = m - (src->sv >> 2);
|
|
||||||
src->sv += m;
|
|
||||||
src->rto = (src->sa >> 3) + src->sv;
|
|
||||||
src->rttseq = 0;
|
|
||||||
printf("Performing RTO stuff, new rto %d\n", src->rto);
|
|
||||||
}
|
|
||||||
src->tmr = 0;
|
|
||||||
|
|
||||||
printf("process_segment: bropping acked segment.\n");
|
|
||||||
/* s->state = STATE_FREE;*/
|
|
||||||
list_remove(conn->segments, s);
|
|
||||||
memb_free(&segments, s);
|
|
||||||
|
|
||||||
/* Next, check if the incoming packet has the same sequence
|
|
||||||
number as one of the segments in the cache. If so, it is
|
|
||||||
either a retransmission or a duplicated packet. In any
|
|
||||||
case, the RTT estimation would be thwarted if we made
|
|
||||||
estimations, so we cancel any running RTT measurements. */
|
|
||||||
} else if(s->hdr.seqno == hdr->seqno) {
|
|
||||||
if(s->hdr.srcipaddr == hdr->srcipaddr) {
|
|
||||||
src->rttseq = 0;
|
|
||||||
} else {
|
|
||||||
dst->rttseq = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
s = cache_segment(conn, hdr, len);
|
|
||||||
|
|
||||||
if(s != NULL) {
|
|
||||||
s->conn = conn;
|
|
||||||
if(dst->rttseq == 0) {
|
|
||||||
dst->rttseq = htonl(hdr->seqno);
|
|
||||||
dst->tmr = 0;
|
|
||||||
printf("Starting RTT est for %lu\n", dst->rttseq);
|
|
||||||
}
|
|
||||||
printf("Process_segment: segment cached\n");
|
|
||||||
} else {
|
|
||||||
printf("Process_segment: segment not cached \n");
|
|
||||||
}
|
|
||||||
|
|
||||||
return uip_fw_forward();
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* Process an incoming packet by running it through the distributed
|
|
||||||
* TCP snooping mechanism, and possibly by forwarding it.
|
|
||||||
*
|
|
||||||
* This function processes an incoming packet, and should be called
|
|
||||||
* from the network device driver for every packet that arrives. The
|
|
||||||
* function might call uip_fw_output() to send out packets.
|
|
||||||
*
|
|
||||||
* \param packetptr A pointer to the first byte of the packet header
|
|
||||||
* of the incoming packet. The packet must follow contiguously the
|
|
||||||
* header in memory.
|
|
||||||
*
|
|
||||||
* \param len The length of the packet, including the packet header.
|
|
||||||
*
|
|
||||||
* \retval UIP_FW_OK If the packet should be further processed by the
|
|
||||||
* caller.
|
|
||||||
*
|
|
||||||
* \retval UIP_FW_FORWARDED If the packet was forwarded and therefor
|
|
||||||
* should not be further processed.
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static u8_t
|
|
||||||
input(u8_t *packetptr, u16_t len)
|
|
||||||
{
|
|
||||||
struct tcpip_hdr *hdr;
|
|
||||||
struct dtc_conn *c;
|
|
||||||
|
|
||||||
hdr = (struct tcpip_hdr *)packetptr;
|
|
||||||
|
|
||||||
/* XXX: when testing, only run dtc for connections on port 12347. */
|
|
||||||
if(hdr->proto != UIP_PROTO_TCP ||
|
|
||||||
(hdr->destport != HTONS(12347) && hdr->srcport != HTONS(12347))) {
|
|
||||||
return uip_fw_forward();
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
printf("dtc_input (%d, %d): vhl 0x%x proto %d len %d ipchk 0x%x\n",
|
|
||||||
node_x(), node_y(),
|
|
||||||
hdr->vhl, hdr->proto, HTONS(hdr->len),
|
|
||||||
uip_ipchksum());
|
|
||||||
|
|
||||||
/* First, do some initial checking on the packet to make sure that
|
|
||||||
it is an undamaged TCP packet. Note that the checks are placed in
|
|
||||||
an order with the most computationally expensive at the end. */
|
|
||||||
|
|
||||||
if(hdr->vhl == 0x45 && /* IP version and header length must be normal. */
|
|
||||||
|
|
||||||
/* It must be a TCP packet. */
|
|
||||||
hdr->proto == UIP_PROTO_TCP &&
|
|
||||||
|
|
||||||
/* We do not allow IP fragments. */
|
|
||||||
hdr->ipoffset[1] == 0 &&
|
|
||||||
(hdr->ipoffset[0] & 0x3f) == 0 &&
|
|
||||||
|
|
||||||
/* We do not process segments destined for ourselves. */
|
|
||||||
hdr->destipaddr != *(u32_t *)uip_hostaddr &&
|
|
||||||
|
|
||||||
/* The packet length must not exceed the size of the segment
|
|
||||||
cache. */
|
|
||||||
(DTC_CONF_MAX_SEGSIZE + 40) >= HTONS(hdr->len) &&
|
|
||||||
|
|
||||||
/* The IP checksum must be OK. */
|
|
||||||
uip_ipchksum() == 0xffff &&
|
|
||||||
|
|
||||||
/* The TCP checksum must be OK. */
|
|
||||||
uip_tcpchksum() == 0xffff) {
|
|
||||||
|
|
||||||
/* Check if this segment belongs to a connection for which DTC
|
|
||||||
currently is active. Also keep track of the first unused
|
|
||||||
connection, in case we need to allocated it further down. */
|
|
||||||
for(c = list_head(connlist); c != NULL; c = c->next) {
|
|
||||||
if(c->e1.ipaddr == hdr->destipaddr &&
|
|
||||||
c->e1.port == htons(hdr->destport) &&
|
|
||||||
c->e2.ipaddr == hdr->srcipaddr &&
|
|
||||||
c->e2.port == htons(hdr->srcport)) {
|
|
||||||
printf("dtc_input %d, %d: process segment 1\n",
|
|
||||||
node_x(), node_y());
|
|
||||||
return process_segment(c, &c->e2, &c->e1,
|
|
||||||
packetptr, len);
|
|
||||||
} else if(c->e2.ipaddr == hdr->destipaddr &&
|
|
||||||
c->e2.port == htons(hdr->destport) &&
|
|
||||||
c->e1.ipaddr == hdr->srcipaddr &&
|
|
||||||
c->e1.port == htons(hdr->srcport)) {
|
|
||||||
printf("dtc_input %d, %d: process segment 2\n", node_x(), node_y());
|
|
||||||
return process_segment(c, &c->e1, &c->e2,
|
|
||||||
packetptr, len);
|
|
||||||
|
|
||||||
/* } else {
|
|
||||||
printf("dtc_input %d, %d: not processing segment\n",
|
|
||||||
node_x(), node_y());
|
|
||||||
return UIP_FW_LOCAL;*/
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* The incoming segment did not belong to any active connections,
|
|
||||||
so we allocate a new connection if there is a free one that we
|
|
||||||
can use. */
|
|
||||||
printf("dtc_input %d, %d: creating new connection\n", node_x(), node_y());
|
|
||||||
|
|
||||||
c = (struct dtc_conn *)memb_alloc(&conns);
|
|
||||||
list_add(connlist, c);
|
|
||||||
/* Fill in the fields from the incoming header. */
|
|
||||||
c->e1.ipaddr = hdr->srcipaddr;
|
|
||||||
c->e1.seqno = htonl(hdr->seqno);
|
|
||||||
c->e1.rttseq = 0;
|
|
||||||
c->e1.port = htons(hdr->srcport);
|
|
||||||
c->e1.window = htons(hdr->wnd);
|
|
||||||
c->e1.sa = 16;
|
|
||||||
c->e1.sv = 0;
|
|
||||||
c->e1.rto = RTO;
|
|
||||||
c->e1.tmr = 0;
|
|
||||||
c->e1.nrtx = 0;
|
|
||||||
|
|
||||||
c->e2.ipaddr = hdr->destipaddr;
|
|
||||||
c->e2.seqno = htonl(hdr->ackno);
|
|
||||||
c->e2.rttseq = 0;
|
|
||||||
c->e2.port = htons(hdr->destport);
|
|
||||||
c->e2.window = 0;
|
|
||||||
c->e2.sa = 16;
|
|
||||||
c->e2.sv = 0;
|
|
||||||
c->e2.rto = RTO;
|
|
||||||
c->e2.tmr = 0;
|
|
||||||
c->e2.nrtx = 0;
|
|
||||||
|
|
||||||
return process_segment(c, &c->e1, &c->e2, packetptr, len);
|
|
||||||
}
|
|
||||||
return uip_fw_forward();
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* Perform periodic processing for a specific connection end-point.
|
|
||||||
*
|
|
||||||
* The periodic processing does two things: update timers and
|
|
||||||
* retransmit segments, where the timers drive the
|
|
||||||
* retransmissions. This must be done on a per-TCP-endpoint basis,
|
|
||||||
* rather than on a per-TCP-connection basis, because we maintain an
|
|
||||||
* RTT estimate for each endpoint. The reason for not having a single
|
|
||||||
* RTT for each TCP connection is that this node may be located on a
|
|
||||||
* path with a very long delay to one end and a very short delay to
|
|
||||||
* the other.
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static void
|
|
||||||
periodic_endpoint(struct dtc_tcpend *c)
|
|
||||||
{
|
|
||||||
++c->tmr;
|
|
||||||
/* If the timer has reached its threshold value, we should
|
|
||||||
retransmit the segment with the lowest sequence number, if
|
|
||||||
cached. */
|
|
||||||
if(c->tmr == c->rto) {
|
|
||||||
printf("periodic_endpoint: should do retransmission.\n");
|
|
||||||
c->tmr = 0;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* Perform periodic processing.
|
|
||||||
*
|
|
||||||
* This function does the periodic processing in the distributed snoop
|
|
||||||
* module. It should be called as often as the uIP periodic function
|
|
||||||
* is called, typically twice a second.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static void
|
|
||||||
periodic(void)
|
|
||||||
{
|
|
||||||
struct dtc_segment *s;
|
|
||||||
struct dtc_conn *c;
|
|
||||||
|
|
||||||
/* for(i = 0; i < DTC_CONF_NUM_CONNECTIONS; ++i) {
|
|
||||||
c = &conns[i];
|
|
||||||
if(c->state == STATE_USED) {
|
|
||||||
periodic_endpoint(&c->e1);
|
|
||||||
periodic_endpoint(&c->e2);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
for(i = 0; i < DTC_CONF_NUM_SEGMENTS; ++i) {
|
|
||||||
s = &segments[i];
|
|
||||||
if(s->state == STATE_USED) {
|
|
||||||
++s->tmr;
|
|
||||||
}
|
|
||||||
}*/
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
/**
|
|
||||||
* \internal
|
|
||||||
* Convert a 32-bit unsigned value from host to network byte order.
|
|
||||||
*
|
|
||||||
* \param n The 32-bit value to be converted.
|
|
||||||
*
|
|
||||||
* \return The converted 32-bit value.
|
|
||||||
*
|
|
||||||
*/
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
static u32_t
|
|
||||||
htonl(u32_t n)
|
|
||||||
{
|
|
||||||
#if BYTE_ORDER == BIG_ENDIAN
|
|
||||||
return n;
|
|
||||||
#else /* BYTE_ORDER == BIG_ENDIAN */
|
|
||||||
return (((u32_t)n & 0xff) << 24) |
|
|
||||||
(((u32_t)n & 0xff00) << 8) |
|
|
||||||
(((u32_t)n & 0xff0000) >> 8) |
|
|
||||||
(((u32_t)n & 0xff000000) >> 24);
|
|
||||||
#endif /* BYTE_ORDER == BIG_ENDIAN */
|
|
||||||
|
|
||||||
}
|
|
||||||
/*------------------------------------------------------------------------------*/
|
|
||||||
PROCESS_THREAD(dtc_process, ev, data)
|
|
||||||
{
|
|
||||||
static struct etimer et;
|
|
||||||
|
|
||||||
PROCESS_BEGIN();
|
|
||||||
|
|
||||||
init_dtc();
|
|
||||||
|
|
||||||
SERVICE_REGISTER(dtc_service);
|
|
||||||
|
|
||||||
while(1) {
|
|
||||||
etimer_set(&et, CLOCK_SECOND / 2);
|
|
||||||
PROCESS_YIELD_UNTIL(etimer_expired(&et));
|
|
||||||
|
|
||||||
periodic();
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
PROCESS_END();
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
/** @} */
|
|
||||||
|
|
@ -1,72 +0,0 @@
|
||||||
/*
|
|
||||||
* Copyright (c) 2005, Swedish Institute of Computer Science
|
|
||||||
* 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.
|
|
||||||
*
|
|
||||||
* @(#)$Id: rs232-slip-drv.c,v 1.1 2006/06/18 07:49:34 adamdunkels Exp $
|
|
||||||
*/
|
|
||||||
|
|
||||||
#include "contiki.h"
|
|
||||||
#include "uip.h"
|
|
||||||
#include "tcpip.h"
|
|
||||||
#include "rs232-slip.h"
|
|
||||||
|
|
||||||
EK_POLLHANDLER(pollhandler);
|
|
||||||
EK_EVENTHANDLER(eventhandler, ev, data);
|
|
||||||
EK_PROCESS(p, "SLIP driver", EK_PRIO_HIGH,
|
|
||||||
eventhandler, pollhandler, NULL);
|
|
||||||
static ek_id_t id = EK_ID_NONE;
|
|
||||||
|
|
||||||
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
EK_POLLHANDLER(pollhandler)
|
|
||||||
{
|
|
||||||
uip_len = rs232_slip_poll();
|
|
||||||
tcpip_input();
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
EK_PROCESS_INIT(rs232_slip_drv_init, arg)
|
|
||||||
{
|
|
||||||
arg_free(arg);
|
|
||||||
|
|
||||||
if(id == EK_ID_NONE) {
|
|
||||||
id = ek_start(&p);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
EK_EVENTHANDLER(eventhandler, ev, data)
|
|
||||||
{
|
|
||||||
EK_EVENTHANDLER_ARGS(ev, data);
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
void
|
|
||||||
rs232_slip_drv_request_poll(void)
|
|
||||||
{
|
|
||||||
ek_request_poll(id);
|
|
||||||
}
|
|
||||||
/*---------------------------------------------------------------------------*/
|
|
||||||
Loading…
Reference in a new issue