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RIOT/examples/static_network_app_sock_udp/main.c 13.4 KB
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  /*
   * Copyright (C) 2015 Freie Universitรคt Berlin
   *
   * This file is subject to the terms and conditions of the GNU Lesser
   * General Public License v2.1. See the file LICENSE in the top level
   * directory for more details.
   */
  
  /**
   * @ingroup     examples
   * @{
   *
   * @file
   * @brief       Example application for demonstrating the RIOT network stack
   *
   * @author      Hauke Petersen <hauke.petersen@fu-berlin.de>
   *
   * @}
   */
  #include <stdbool.h>
  #include <stdint.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <inttypes.h>
  #include <arpa/inet.h>
  
  #include "../../boards/stm32f4discovery/include/board.h"
  #include "../../boards/stm32f4discovery/include/periph_conf.h"
  #include "net/sock/udp.h"
  #include "net/gnrc/ipv6.h"
  #include "net/af.h"
  #include "net/sixlowpan.h"
  #include "net/gnrc/pktdump.h"
  #include "shell.h"
  #include "shell_commands.h"
  #include "msg.h"
  #include "thread.h"
  #include "sched.h"
  #include "thread.h"
  #include "kernel_types.h"
  #include "net/netstats.h"
  #include "net/ipv6/addr.h"
  #include "periph/timer.h"
  #include "net/gnrc/ipv6/netif.h"
  #include "net/gnrc/netif.h"
  #include "net/gnrc/netapi.h"
  #include "net/netopt.h"
  #include "net/gnrc/pkt.h"
  #include "net/gnrc/pktbuf.h"
  #include "net/gnrc/netif/hdr.h"
  #include "net/gnrc/sixlowpan/netif.h"
  #include "net/fib.h"
  #include "net/gnrc/udp.h"
  #include "periph/pwm.h"
  #include "od.h"
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  #include "net/sntp.h"
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  #ifdef MODULE_SCHEDSTATISTICS
  #include "xtimer.h"
  #endif
  
  #ifdef MODULE_TLSF
  #include "tlsf.h"
  #endif
  
  #define MAIN_QUEUE_SIZE     (8)
  /**
   * @brief   The maximal expected link layer address length in byte
   */
  #define MAX_ADDR_LEN            (8U)
  
  /**
   * @brief   The default IPv6 prefix length if not specified.
   */
  #define SC_NETIF_IPV6_DEFAULT_PREFIX_LEN     (64)
  
  #define _STACKSIZE      (THREAD_STACKSIZE_DEFAULT + THREAD_EXTRA_STACKSIZE_PRINTF)
  #define MSG_TYPE_ISR    (0x3456)
  
  #define PWM_FREQ 100
  #define PWM_RES 100
  
  
  // addr ipv6 link local node 1: fe80::3734:510e:3317:3402
  uint8_t node1[16]={0xfe,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x37,0x34,0x51,0x0e,0x33,0x17,0x34,0x02};
  // addr ipv6 link local node 2: fe80::3634:5110:3473:3762
  uint8_t node2[16]={0xfe,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x34,0x51,0x10,0x34,0x73,0x37,0x62};
  //addr ipv6 link local node 3: fe80::3634:5110:3471:3766
  uint8_t node3[16]={0xfe,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x34,0x51,0x10,0x34,0x71,0x37,0x66};
  
  //static char _stack_server[GNRC_PKTDUMP_STACKSIZE];
  char pwm_stack[THREAD_STACKSIZE_MAIN];
  char sock_server_stack[THREAD_STACKSIZE_MAIN];
  char sock_client_stack[THREAD_STACKSIZE_MAIN];
  // static gnrc_netreg_entry_t server = GNRC_NETREG_ENTRY_INIT_PID(GNRC_NETREG_DEMUX_CTX_ALL,
  //                                                                KERNEL_PID_UNDEF);
  // 
  // kernel_pid_t gnrc_server_pid = KERNEL_PID_UNDEF;
  // 
  int ordre = 0;
  uint8_t buf[128];
  sock_udp_ep_t local = SOCK_IPV6_EP_ANY;
  sock_udp_t sock; 
  // 
  // static void _dump_snip(gnrc_pktsnip_t *pkt)
  // {
  //     switch (pkt->type) {
  //         case GNRC_NETTYPE_UNDEF:
  //             printf("NETTYPE_UNDEF (%i)\n", pkt->type);
  //             od_hex_dump(pkt->data, pkt->size, OD_WIDTH_DEFAULT);
  // 	    printf("wesh magueule\n");
  // 	    /*if(strcmp((char *)pkt->data,"go")==0)
  // 	    {
  // 		//pwm_set(PWM_DEV(0),1,25);
  // 		ordre = 1;
  // 		timer_set(XTIMER_DEV,0,8400);
  // 		timer_clear(TIMER_DEV(1),0);
  // 	    }
  // 	    else 
  // 	    {
  // 		//pwm_set(PWM_DEV(0),1,0);
  // 		ordre = 0;
  // 	    }*/
  //             break;
  // #ifdef MODULE_GNRC_NETIF
  //         case GNRC_NETTYPE_NETIF:
  //             printf("NETTYPE_NETIF (%i)\n", pkt->type);
  //             gnrc_netif_hdr_print(pkt->data);
  //             break;
  // #endif
  // #ifdef MODULE_GNRC_SIXLOWPAN
  //         case GNRC_NETTYPE_SIXLOWPAN:
  //             printf("NETTYPE_SIXLOWPAN (%i)\n", pkt->type);
  //             sixlowpan_print(pkt->data, pkt->size);
  //             break;
  // #endif
  // #ifdef MODULE_GNRC_IPV6
  //         case GNRC_NETTYPE_IPV6:
  //             printf("NETTYPE_IPV6 (%i)\n", pkt->type);
  //             ipv6_hdr_print(pkt->data);
  //             break;
  // #endif
  // #ifdef MODULE_GNRC_ICMPV6
  //         case GNRC_NETTYPE_ICMPV6:
  //             printf("NETTYPE_ICMPV6 (%i)\n", pkt->type);
  //             break;
  // #endif
  // #ifdef MODULE_GNRC_TCP
  //         case GNRC_NETTYPE_TCP:
  //             printf("NETTYPE_TCP (%i)\n", pkt->type);
  //             break;
  // #endif
  // #ifdef MODULE_GNRC_UDP
  //         case GNRC_NETTYPE_UDP:
  //             printf("NETTYPE_UDP (%i)\n", pkt->type);
  //             udp_hdr_print(pkt->data);
  //             break;
  // #endif
  // #ifdef TEST_SUITES
  //         case GNRC_NETTYPE_TEST:
  //             printf("NETTYPE_TEST (%i)\n", pkt->type);
  //             od_hex_dump(pkt->data, pkt->size, OD_WIDTH_DEFAULT);
  //             break;
  // #endif
  //         default:
  //             printf("NETTYPE_UNKNOWN (%i)\n", pkt->type);
  //             od_hex_dump(pkt->data, pkt->size, OD_WIDTH_DEFAULT);
  //             break;
  //     }
  // }
  // 
  // static void _dump(gnrc_pktsnip_t *pkt)
  // {
  //     int snips = 0;
  //     int size = 0;
  //     gnrc_pktsnip_t *snip = pkt;
  // 
  //     while (snip != NULL) {
  //         printf("~~ SNIP %2i - size: %3u byte, type: ", snips,
  //                (unsigned int)snip->size);
  //         _dump_snip(snip);
  //         ++snips;
  //         size += snip->size;
  //         snip = snip->next;
  //     }
  // 
  //     printf("~~ PKT    - %2i snips, total size: %3i byte\n", snips, size);
  //     gnrc_pktbuf_release(pkt);
  // }
  // 
  // 
  // static void *_serverloop(void *arg)
  // {
  //     (void)arg;
  //     msg_t msg, reply;
  //     msg_t msg_queue[GNRC_PKTDUMP_MSG_QUEUE_SIZE];
  // 
  //     /* setup the message queue */
  //     msg_init_queue(msg_queue, GNRC_PKTDUMP_MSG_QUEUE_SIZE);
  // 
  //     reply.content.value = (uint32_t)(-ENOTSUP);
  //     reply.type = GNRC_NETAPI_MSG_TYPE_ACK;
  // 
  //     while (1) {
  //         msg_receive(&msg);
  // 
  //         switch (msg.type) {
  //             case GNRC_NETAPI_MSG_TYPE_RCV:
  //                 puts("PKTDUMP: data received:");
  //                 _dump(msg.content.ptr);
  //                 break;
  //             case GNRC_NETAPI_MSG_TYPE_SND:
  //                 puts("PKTDUMP: data to send:");
  //                 _dump(msg.content.ptr);
  //                 break;
  //             case GNRC_NETAPI_MSG_TYPE_GET:
  //             case GNRC_NETAPI_MSG_TYPE_SET:
  //                 msg_reply(&msg, &reply);
  //                 break;
  //             default:
  //                 puts("PKTDUMP: received something unexpected");
  //                 break;
  //         }
  //     }
  // 
  //     /* never reached */
  //     return NULL;
  // }
  
  void *pwm_thread(void *arg)
  {
      (void) arg;
      int tourne = 0;
      while(1)
      {
        
  	if(ordre==1)
  	{
  	  pwm_set(PWM_DEV(0),1,45);
  	  tourne = 1;
  	}
  	else if(ordre==0)
  	{
  	  pwm_set(PWM_DEV(0),1,0);
  	  tourne = 0;
  	}
  	else if(ordre==2 && tourne == 1)
  	  pwm_set(PWM_DEV(0),1,100);
        
      }
      return NULL;
  }
  
  void *sock_server_thread(void *arg)
  {
      (void) arg;
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      local.port = 1234;
   
      if (sock_udp_create(&sock, &local, NULL, 0) < 0) {
            puts("Error creating UDP sock");
            return NULL;
      }
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      while (1) {
            sock_udp_ep_t remote;
            ssize_t res;
   
            if ((res = sock_udp_recv(&sock, buf, sizeof(buf), SOCK_NO_TIMEOUT,
                                     &remote)) >= 0) {
                puts("Received a message");
  	      printf("%s\n",buf);
                //if (sock_udp_send(&sock, buf, res, &remote) < 0) {
                  //  puts("Error sending reply");
                //}
            }
        }
      return NULL;
  }
  
  void *sock_client_thread(void *arg)
  {
       (void) arg;
       sock_udp_ep_t remote = { .family = AF_INET6 };
   
       remote.port = 1234;
       remote.addr.ipv6[0] = 0xde;
       remote.addr.ipv6[1] = 0xad;
       remote.addr.ipv6[2] = 0xbe;
       remote.addr.ipv6[3] = 0xef;
       remote.addr.ipv6[14] = 0x37;
       remote.addr.ipv6[15] = 0x66;
  //     memcpy(remote.addr.ipv6,addr.u8,IPV6_ADDR_BIT_LEN);
       while (1) {
  //       //ipv6_addr_set_all_nodes_multicast((ipv6_addr_t *)&remote.addr.ipv6,
  //         //                                    IPV6_ADDR_MCAST_SCP_LINK_LOCAL);
       if (sock_udp_send(NULL, "Hello!", sizeof("Hello!"), &remote) < 0) {
                 puts("Error sending message");
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             }
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       xtimer_sleep(1);
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         }
       return NULL;
  }
  
  static void arret_urgence(void *arg,int channel)
  {
    //pwm_set(PWM_DEV(0),1,0);
    ordre=0;
    printf("Arret d'urgence\n");
  }
  
  static void degradation(void *arg,int channel)
  {
     ordre=2;
      //pwm_set(PWM_DEV(0),1,0);
      printf("Ralentissement\n");
      timer_set(TIMER_DEV(1),0,25200);
  }
  
  static void _init_timer(void)
  {
      printf("ok timer\n");
      timer_init(XTIMER_DEV, CLOCK_CORECLOCK/2 ,&degradation,NULL);
      timer_set(XTIMER_DEV, 0, 8400);
      timer_irq_enable(XTIMER_DEV);
      timer_init(TIMER_DEV(1), CLOCK_CORECLOCK/2 ,&arret_urgence,NULL);
      timer_irq_enable(TIMER_DEV(1));
  }
  
  static void _init_pwm(void)
  {
      pwm_init(PWM_DEV(0), PWM_LEFT, PWM_FREQ, PWM_RES);
      pwm_set(PWM_DEV(0),1,0);
  
      thread_create(pwm_stack,sizeof(pwm_stack),8,THREAD_CREATE_STACKTEST,pwm_thread,NULL,"pwm_thread");
  }
  
  
  // static void start_server(char *port_str)
  // {
  //     uint16_t port;
  // 
  //     /* check if server is already running */
  //     if (server.target.pid != KERNEL_PID_UNDEF) {
  //         printf("Error: server already running on port %" PRIu32 "\n",
  //                server.demux_ctx);
  //         return;
  //     }
  //     /* parse port */
  //     port = (uint16_t)atoi(port_str);
  //     if (port == 0) {
  //         puts("Error: invalid port specified");
  //         return;
  //     }
  //     /* start server (which means registering pktdump for the chosen port) */
  //     server.target.pid = gnrc_server_pid;
  //     server.demux_ctx = (uint32_t)port;
  //     gnrc_netreg_register(GNRC_NETTYPE_UDP, &server);
  //     printf("Success: started UDP server on port %" PRIu16 "\n", port);
  // }
   
  static void _init_interface(void)
  {
      kernel_pid_t ifs[GNRC_NETIF_NUMOF];
      ipv6_addr_t addr = IPV6_ADDR_UNSPECIFIED;
      ipv6_addr_t tmp_addr= IPV6_ADDR_UNSPECIFIED;
      uint8_t hwaddr[MAX_ADDR_LEN];
      int res;
      
      gnrc_netif_get(ifs);
  
      //addresses gobales
      addr.u8[0] = 0xde;
      addr.u8[1] = 0xad;
      addr.u8[2] = 0xbe;
      addr.u8[3] = 0xef;
  
      res = gnrc_netapi_get(ifs[0], NETOPT_ADDRESS, 0, hwaddr, sizeof(hwaddr));
  
      if (res >= 0) {
          addr.u8[14] = *hwaddr;
          addr.u8[15] = *(hwaddr+1);
      }
      memcpy(tmp_addr.u8,addr.u8,IPV6_ADDR_BIT_LEN);
    
      gnrc_ipv6_netif_add_addr(ifs[0], &addr, 64, GNRC_IPV6_NETIF_ADDR_FLAGS_UNICAST);
      /* model ipv6 addr: dead:beef::Hwaddr */
      if((addr.u8[14]==0x34)&&(addr.u8[15]==0x02)){
          
          tmp_addr.u8[14] = 0x37;
          tmp_addr.u8[15] = 0x66;
          //fibroute dest: dead:beef::3766 via fe80::3634:5110:3473:3762
          fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node2, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
          tmp_addr.u8[14] = 0x37;
          tmp_addr.u8[15] = 0x62;
          //fibroute dest: dead:beef::3762 via fe80::3634:5110:3473:3762
          fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node2, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
  	thread_create(sock_client_stack,sizeof(sock_client_stack),8,THREAD_CREATE_STACKTEST,sock_client_thread,NULL,"sock_client_thread");
      }else if((addr.u8[14]==0x37)&&(addr.u8[15]==0x62)){
          tmp_addr.u8[14] = 0x37;
          tmp_addr.u8[15] = 0x66;
          //fibroute dest: dead:beef::3766 via fe80::3634:5110:3471:3766
          fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node3, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
          tmp_addr.u8[14] = 0x34;
          tmp_addr.u8[15] = 0x02;
          //fibroute dest: dead:beef::3402 via fe80::3734:510e:3317:3402
          fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node1, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
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  	sntp_sync(&local,5000);
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      }else if((addr.u8[14]==0x37)&&(addr.u8[15]==0x66)){
          tmp_addr.u8[14] = 0x34;
          tmp_addr.u8[15] = 0x02;
          //fibroute dest: dead:beef::3402 via fe80::3634:5110:3473:3762
          fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node2, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE); tmp_addr.u8[14] = 0x37;
          tmp_addr.u8[15] = 0x62;
          //fibroute dest: dead:beef::3762 via fe80::3634:5110:3473:3762
          fib_add_entry(&gnrc_ipv6_fib_table, ifs[0],tmp_addr.u8, IN6ADDRSZ, 0,node2, IN6ADDRSZ, 0, FIB_LIFETIME_NO_EXPIRE);
  	//start_server("1234");
  	thread_create(sock_server_stack,sizeof(sock_server_stack),6,THREAD_CREATE_STACKTEST,sock_server_thread,NULL,"sock_server_thread");
  	_init_pwm();
          _init_timer();
      }else{
          puts("new node ?");
      }
  }
  static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
  
  extern int udp_cmd(int argc, char **argv);
  
  static const shell_command_t shell_commands[] = {
      { "udp", "send data over UDP and listen on UDP ports", udp_cmd },
      { NULL, NULL, NULL }
  };
  
  
  int main(void)
  {
  
      msg_init_queue(_main_msg_queue, MAIN_QUEUE_SIZE);
      puts("RIOT network stack example application");
  
  //     if (gnrc_server_pid == KERNEL_PID_UNDEF) {
  //         gnrc_server_pid = thread_create(_stack_server, sizeof(_stack_server), GNRC_PKTDUMP_PRIO,
  //                              THREAD_CREATE_STACKTEST,
  //                              _serverloop, NULL, "serverloop");
  //     }
      
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      _init_interface();
      
      /* start shell */
      puts("All up, running the shell now");
      char line_buf[SHELL_DEFAULT_BUFSIZE];
      shell_run(shell_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
      
      /* should be never reached */
      return 0;
  }