/* * 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: gateway.c,v 1.3 2006/08/17 15:42:42 bg- Exp $ */ /* * Example gateway configuration with two IP interfaces, one SLIP over * USB and one over 802.11.4 radio. * * The IP address is hardcoded to 172.16.0.1 and the 172.16/16 network * is on the radio interface. * * The default route is over the SLIP interface. * * On the SLIP host run a standard SLIP implementation or the tunslip * program that can also view debug printfs, example: * * sliphost# ./tunslip 172.16.0.1 255.255.0.0 * * * 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 "contiki.h" /* Also IP output. */ #include "net/uip-fw-service.h" #include "net/uaodv.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" #define ip2quad(p) uip_ipaddr1(p),uip_ipaddr2(p),uip_ipaddr3(p),uip_ipaddr4(p) /* * This is how we force inclusion of the psock library and the button * device driver. */ #include "net/psock.h" void *force_psock_inclusion = &psock_init; void *force_button_inclusion = &button_init; #if 0 int force_float_inclusion() { extern int __fixsfsi; extern int __floatsisf; extern int __mulsf3; extern int __subsf3; return __fixsfsi + __floatsisf + __mulsf3 + __subsf3; } #endif void uip_log(char *msg) { puts(msg); } /* We have two IP interfaces. */ struct uip_fw_netif cc2420if = {UIP_FW_NETIF(172,16,0,1, 255,255,0,0, cc2420_send_uaodv)}; static struct uip_fw_netif slipif = {UIP_FW_NETIF(0,0,0,0, 255,255,255,255, slip_send)}; /* 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: gateway.c,v 1.3 2006/08/17 15:42:42 bg- Exp $)\n", __FILE__); ds2411_init(); sensors_light_init(); cc2420_init(); xmem_init(); 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]); uip_ipaddr_copy(&uip_hostaddr, &cc2420if.ipaddr); uip_ipaddr_copy(&uip_netmask, &cc2420if.netmask); printf("IP %d.%d.%d.%d netmask %d.%d.%d.%d\n", ip2quad(&uip_hostaddr), ip2quad(&uip_netmask)); cc2420_set_chan_pan_addr(RF_CHANNEL, panId, uip_hostaddr.u16[1], ds2411_id); /* * Initialize Contiki and our processes. */ process_init(); process_start(&etimer_process, NULL); /* Configure IP stack. */ uip_init(); uip_fw_default(&slipif); /* Point2point, no default router. */ uip_fw_register(&cc2420if); tcpip_set_forwarding(1); /* Start IP stack. */ process_start(&tcpip_process, NULL); process_start(&uip_fw_process, NULL); /* Start IP output */ process_start(&slip_process, NULL); process_start(&cc2420_process, NULL); cc2420_on(); process_start(&uaodv_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; }