osd-contiki/platform/minimal-net/contiki-main.c

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/*
* Copyright (c) 2002, Adam Dunkels.
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 OS
*
* $Id: contiki-main.c,v 1.25 2010/10/19 18:29:05 adamdunkels Exp $
*
*/
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#include <stdio.h>
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#include <time.h>
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#include <sys/select.h>
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#include <unistd.h>
#include <memory.h>
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#include "contiki.h"
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#include "contiki-net.h"
#include "dev/serial-line.h"
#include "net/uip.h"
#ifdef __CYGWIN__
#include "net/wpcap-drv.h"
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#else /* __CYGWIN__ */
#include "net/tapdev-drv.h"
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#endif /* __CYGWIN__ */
#ifdef __CYGWIN__
PROCINIT(&etimer_process, &tcpip_process, &wpcap_process, &serial_line_process);
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#else /* __CYGWIN__ */
PROCINIT(&etimer_process, &tapdev_process, &tcpip_process, &serial_line_process);
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#endif /* __CYGWIN__ */
#if RPL_BORDER_ROUTER
#include "net/rpl/rpl.h"
uint16_t dag_id[] = {0x1111, 0x1100, 0, 0, 0, 0, 0, 0x0011};
PROCESS(border_router_process, "RPL Border Router");
PROCESS_THREAD(border_router_process, ev, data)
{
PROCESS_BEGIN();
PROCESS_PAUSE();
{ rpl_dag_t *dag;
char buf[sizeof(dag_id)];
memcpy(buf,dag_id,sizeof(dag_id));
dag = rpl_set_root((uip_ip6addr_t *)buf);
/* Assign separate addresses to the uip stack and the host network interface, but with the same prefix */
/* E.g. bbbb::ff:fe00:200 to the stack and bbbb::1 to the host *fallback* network interface */
/* Otherwise the host will trap packets intended for the stack, just as the stack will trap packets intended for the host */
/* $ifconfig usb0 -arp on Ubuntu to skip the neighbor solicitations. Add explicit neighbors on other OSs */
if(dag != NULL) {
printf("Created a new RPL dag\n");
#if UIP_CONF_ROUTER_RECEIVE_RA
//Contiki stack will shut down until assigned an address from the interface RA
//Currently this requires changes in the core rpl-icmp6.c to pass the link-local RA broadcast
#else
void sprint_ip6(uip_ip6addr_t addr);
int i;
uip_ip6addr_t ipaddr;
#ifdef HARD_CODED_ADDRESS
uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
#else
uip_ip6addr(&ipaddr, 0xbbbb, 0, 0, 0, 0, 0, 0, 0x1);
#endif
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
rpl_set_prefix(dag, &ipaddr, 64);
for (i=0;i<UIP_DS6_ADDR_NB;i++) {
if (uip_ds6_if.addr_list[i].isused) {
printf("IPV6 Address: ");sprint_ip6(uip_ds6_if.addr_list[i].ipaddr);printf("\n");
}
}
#endif
}
}
/* The border router runs with a 100% duty cycle in order to ensure high
packet reception rates. */
// NETSTACK_MAC.off(1);
while(1) {
PROCESS_YIELD();
/* Local and global dag repair can be done from ? */
// rpl_set_prefix(rpl_get_dag(RPL_ANY_INSTANCE), &ipaddr, 64);
// rpl_repair_dag(rpl_get_dag(RPL_ANY_INSTANCE));
}
PROCESS_END();
}
#endif /* RPL_BORDER_ROUTER */
#if UIP_CONF_IPV6
/*---------------------------------------------------------------------------*/
void
sprint_ip6(uip_ip6addr_t addr)
{
unsigned char i = 0;
unsigned char zerocnt = 0;
unsigned char numprinted = 0;
char thestring[40];
char * result = thestring;
*result++='[';
while (numprinted < 8) {
if ((addr.u16[i] == 0) && (zerocnt == 0)) {
while(addr.u16[zerocnt + i] == 0) zerocnt++;
if (zerocnt == 1) {
*result++ = '0';
numprinted++;
break;
}
i += zerocnt;
numprinted += zerocnt;
} else {
result += sprintf(result, "%x", (unsigned int)(uip_ntohs(addr.u16[i])));
i++;
numprinted++;
}
if (numprinted != 8) *result++ = ':';
}
*result++=']';
*result=0;
printf("%s",thestring);
}
#endif /* UIP_CONF_IPV6 */
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
int
main(void)
{
clock_init();
#if UIP_CONF_IPV6
/* A hard coded address overrides the stack default MAC address to allow multiple instances.
* uip6.c defines it as {0x00,0x06,0x98,0x00,0x02,0x32} giving an ipv6 address of [fe80::206:98ff:fe00:232]
* We make it simpler, {0x02,0x00,0x00 + the last three bytes of the hard coded address (if any are nonzero).
* HARD_CODED_ADDRESS can be defined in the contiki-conf.h file, or here to allow quick builds using different addresses.
* If HARD_CODED_ADDRESS has a prefix it also applied, unless built as a RPL end node.
* E.g. bbbb::12:3456 becomes fe80::ff:fe12:3456 and prefix bbbb::/64 if non-RPL
* ::10 becomes fe80::ff:fe00:10 and prefix awaits RA or RPL formation
* bbbb:: gives an address of bbbb::206:98ff:fe00:232 if non-RPL
*/
//#define HARD_CODED_ADDRESS "bbbb::20"
#ifdef HARD_CODED_ADDRESS
{
uip_ipaddr_t ipaddr;
uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
if ((ipaddr.u8[13]!=0) || (ipaddr.u8[14]!=0) || (ipaddr.u8[15]!=0)) {
if (sizeof(uip_lladdr)==6) { //Minimal-net uses ethernet MAC
uip_lladdr.addr[0]=0x02;uip_lladdr.addr[1]=0;uip_lladdr.addr[2]=0;
uip_lladdr.addr[3]=ipaddr.u8[13];;
uip_lladdr.addr[4]=ipaddr.u8[14];
uip_lladdr.addr[5]=ipaddr.u8[15];
}
}
}
#endif
#endif
process_init();
/* procinit_init initializes RPL which sets a ctimer for the first DIS */
/* We must start etimers and ctimers,before calling it */
process_start(&etimer_process, NULL);
ctimer_init();
procinit_init();
autostart_start(autostart_processes);
#if RPL_BORDER_ROUTER
process_start(&border_router_process, NULL);
printf("Border Router Process started\n");
#elif UIP_CONF_IPV6_RPL
printf("RPL enabled\n");
#endif
/* Set default IP addresses if not specified */
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#if !UIP_CONF_IPV6
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uip_ipaddr_t addr;
uip_gethostaddr(&addr);
if (addr.u8[0]==0) {
uip_ipaddr(&addr, 10,1,1,1);
}
printf("IP Address: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
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uip_sethostaddr(&addr);
uip_getnetmask(&addr);
if (addr.u8[0]==0) {
uip_ipaddr(&addr, 255,0,0,0);
uip_setnetmask(&addr);
}
printf("Subnet Mask: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
uip_getdraddr(&addr);
if (addr.u8[0]==0) {
uip_ipaddr(&addr, 10,1,1,100);
uip_setdraddr(&addr);
}
printf("Def. Router: %d.%d.%d.%d\n", uip_ipaddr_to_quad(&addr));
#else /* UIP_CONF_IPV6 */
#if !UIP_CONF_IPV6_RPL
#ifdef HARD_CODED_ADDRESS
uip_ipaddr_t ipaddr;
uiplib_ipaddrconv(HARD_CODED_ADDRESS, &ipaddr);
if ((ipaddr.u16[0]!=0) || (ipaddr.u16[1]!=0) || (ipaddr.u16[2]!=0) || (ipaddr.u16[3]!=0)) {
#if UIP_CONF_ROUTER
uip_ds6_prefix_add(&ipaddr, UIP_DEFAULT_PREFIX_LEN, 0, 0, 0, 0);
#else /* UIP_CONF_ROUTER */
uip_ds6_prefix_add(&ipaddr, UIP_DEFAULT_PREFIX_LEN, 0);
#endif /* UIP_CONF_ROUTER */
#if !UIP_CONF_IPV6_RPL
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
#endif
}
#endif /* HARD_CODED_ADDRESS */
#endif
#if !RPL_BORDER_ROUTER //Border router process prints addresses later
{ uint8_t i;
for (i=0;i<UIP_DS6_ADDR_NB;i++) {
if (uip_ds6_if.addr_list[i].isused) {
printf("IPV6 Addresss: ");sprint_ip6(uip_ds6_if.addr_list[i].ipaddr);printf("\n");
}
}
}
#endif
#endif /* !UIP_CONF_IPV6 */
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/* Make standard output unbuffered. */
setvbuf(stdout, (char *)NULL, _IONBF, 0);
printf("\n*******%s online*******\n",CONTIKI_VERSION_STRING);
while(1) {
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fd_set fds;
int n;
struct timeval tv;
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n = process_run();
/* if(n > 0) {
printf("%d processes in queue\n");
}*/
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tv.tv_sec = 0;
tv.tv_usec = 1;
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FD_ZERO(&fds);
FD_SET(STDIN_FILENO, &fds);
select(1, &fds, NULL, NULL, &tv);
if(FD_ISSET(STDIN_FILENO, &fds)) {
char c;
if(read(STDIN_FILENO, &c, 1) > 0) {
serial_line_input_byte(c);
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}
}
etimer_request_poll();
}
return 0;
}
/*---------------------------------------------------------------------------*/
void log_message(char *m1, char *m2)
{
printf("%s%s\n", m1, m2);
}
/*---------------------------------------------------------------------------*/
void
uip_log(char *m)
{
printf("uIP: '%s'\n", m);
}
/*---------------------------------------------------------------------------*/
unsigned short
sensors_light1(void)
{
static unsigned short count;
return count++;
}
/*---------------------------------------------------------------------------*/