mirror of
https://github.com/oliverschmidt/contiki.git
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276 lines
7.3 KiB
C
276 lines
7.3 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: dhclient.c,v 1.3 2006/08/17 15:42:42 bg- Exp $
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*/
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/*
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* Example mote configuration with one radio interface that uses DHCP
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* to configure its IP stack.
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*
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* The gateway systems must be configured to find what DHCP server to
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* use, this can be done with an extra argument to tunslip, example:
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*
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* sliphost# ./tunslip 172.16.0.1 255.255.0.0 193.10.66.195
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*
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*
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* This kernel has no application code but new modules can be uploaded
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* using the codeprop program, example:
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*
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* datan$ ./codeprop 172.16.0.1 loadable_prg.ko
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* File successfully sent (1116 bytes)
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* Reply: ok
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <io.h>
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#include "contiki.h"
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/* Also IP output. */
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#include "net/uip-fw-service.h"
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#include "net/uaodv.h"
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#include "net/dhcpc.h"
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#include "dev/slip.h"
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#include "dev/cc2420.h"
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#include "dev/ds2411.h"
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#include "dev/leds.h"
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#include "dev/light.h"
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#include "dev/xmem.h"
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#include "dev/button.h"
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#include "codeprop/codeprop.h"
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/* This is how we force inclusion of the psock library. */
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#include "net/psock.h"
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void *force_psock_inclusion = &psock_init;
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void uip_log(char *msg) { puts(msg); }
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struct uip_fw_netif cc2420if =
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{UIP_FW_NETIF(0,0,0,0, 255,255,255,255, cc2420_send_uaodv)};
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PROCESS(button_process, "Button process");
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PROCESS(dhclient_process, "Dhclient process");
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/* Radio stuff in network byte order. */
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static u16_t panId = HTONS(0x2024);
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#define RF_CHANNEL 26
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int
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main(int argc, char **argv)
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{
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/*
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* Initalize hardware.
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*/
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msp430_cpu_init();
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clock_init();
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leds_init();
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leds_toggle(LEDS_RED | LEDS_GREEN | LEDS_BLUE);
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slip_arch_init(); /* Must come before first printf */
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printf("Starting %s "
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"($Id: dhclient.c,v 1.3 2006/08/17 15:42:42 bg- Exp $)\n", __FILE__);
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ds2411_init();
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sensors_light_init();
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cc2420_init();
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xmem_init();
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button_init(&button_process);
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leds_toggle(LEDS_RED | LEDS_GREEN | LEDS_BLUE);
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/*
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* Hardware initialization done!
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*/
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printf("MAC %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
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ds2411_id[0], ds2411_id[1], ds2411_id[2], ds2411_id[3],
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ds2411_id[4], ds2411_id[5], ds2411_id[6], ds2411_id[7]);
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srand((ds2411_id[3]<<8) + (ds2411_id[4]<<6) + (ds2411_id[5]<<4) +
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(ds2411_id[6]<<2) + ds2411_id[7]);
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/*
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* Initialize Contiki and our processes.
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*/
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process_init();
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process_start(&etimer_process, NULL);
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/* Configure IP stack. */
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uip_init();
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/* Start IP stack. */
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process_start(&tcpip_process, NULL);
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process_start(&uip_fw_process, NULL); /* Start IP output */
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process_start(&cc2420_process, NULL);
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cc2420_on();
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process_start(&dhclient_process, NULL);
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process_start(&button_process, NULL);
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process_start(&tcp_loader_process, NULL);
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/*
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* This is the scheduler loop.
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*/
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printf("process_run()...\n");
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while (1) {
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do {
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/* Reset watchdog. */
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} while(process_run() > 0);
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/*
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* Idle processing.
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*/
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int s = splhigh(); /* Disable interrupts. */
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if(process_nevents() != 0) {
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splx(s); /* Re-enable interrupts. */
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} else {
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/* Re-enable interrupts and go to sleep atomically. */
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_BIS_SR(GIE | SCG0 | CPUOFF); /* LPM1 sleep. */
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}
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}
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return 0;
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}
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PROCESS_THREAD(button_process, ev, data)
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{
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static struct etimer etimer;
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PROCESS_EXITHANDLER(goto exit);
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PROCESS_BEGIN();
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printf("button_process starting\n");
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while(1) {
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PROCESS_WAIT_EVENT();
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if(ev == PROCESS_EVENT_MSG && data != NULL
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&& ((struct button_msg *)data)->type == BUTTON_MSG_TYPE) {
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printf("button press\n");
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leds_toggle(LEDS_RED | LEDS_GREEN | LEDS_BLUE);
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etimer_set(&etimer, CLOCK_SECOND);
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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leds_toggle(LEDS_RED | LEDS_GREEN | LEDS_BLUE);
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}
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}
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exit:
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printf("button_process exiting\n");
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PROCESS_END();
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}
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PROCESS_THREAD(dhclient_process, ev, data)
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{
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PROCESS_EXITHANDLER(goto exit);
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PROCESS_BEGIN();
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printf("dhclient_process starting\n");
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leds_on(LEDS_GREEN);
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uip_setipid(rand());
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/* For now use 0.0.0.0 as our IP address. */
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uip_ipaddr(&uip_hostaddr, 0,0,0,0);
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cc2420_set_chan_pan_addr(RF_CHANNEL, panId, uip_hostaddr.u16[1], ds2411_id);
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/* Use only radio interface and enable forwarding. */
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uip_fw_default(&cc2420if);
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tcpip_set_forwarding(1);
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/* No default router yet. */
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dhcpc_init(ds2411_id, sizeof(ds2411_id));
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dhcpc_request();
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while(1) {
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PROCESS_WAIT_EVENT();
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dhcpc_appcall(ev, data);
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}
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exit:
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printf("dhclient_process exiting\n");
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PROCESS_END();
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}
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static char is_configured;
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#define ip2quad(p) uip_ipaddr1(p),uip_ipaddr2(p),uip_ipaddr3(p),uip_ipaddr4(p)
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void
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dhcpc_configured(const struct dhcpc_state *s)
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{
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if(is_configured)
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printf("dhcp reconfigure %d.%d.%d.%d\n", ip2quad(&s->ipaddr));
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else {
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printf("dhcpc_configured %d.%d.%d.%d\n", ip2quad(&s->ipaddr));
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leds_off(LEDS_GREEN);
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is_configured = 1;
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process_start(&uaodv_process, NULL);
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}
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uip_sethostaddr(&s->ipaddr);
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uip_setnetmask(&s->netmask);
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uip_setdraddr(&s->default_router);
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uip_ipaddr_copy(&cc2420if.ipaddr, &s->ipaddr);
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uip_ipaddr_copy(&cc2420if.netmask, &s->netmask);
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/* resolv_conf(s->dnsaddr); */
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/*
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* Now we also have a new short MAC address!
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*/
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cc2420_set_chan_pan_addr(RF_CHANNEL, panId, uip_hostaddr.u16[1], ds2411_id);
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/* Use only radio interface and enable forwarding. */
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uip_fw_init();
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tcpip_set_forwarding(1);
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uip_fw_default(&cc2420if);
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}
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void
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dhcpc_unconfigured(const struct dhcpc_state *s)
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{
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printf("dhcpc_unconfigured\n");
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leds_on(LEDS_GREEN);
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is_configured = 0;
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process_exit(&uaodv_process);
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uip_ipaddr(&uip_hostaddr, 0,0,0,0);
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uip_ipaddr(&uip_netmask, 0,0,0,0);
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uip_ipaddr(&uip_draddr, 0,0,0,0);
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/* New short MAC address. */
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cc2420_set_chan_pan_addr(RF_CHANNEL, panId, uip_hostaddr.u16[1], ds2411_id);
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}
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