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