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nuttx-apps/wireless/ieee802154/i8sak/i8sak_scan.c

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/****************************************************************************
* apps/wireless/ieee802154/i8sak/i8sak_scan.c
* IEEE 802.15.4 Swiss Army Knife
*
* Copyright (C) 2014-2015, 2017 Gregory Nutt. All rights reserved.
* Copyright (C) 2017 Verge Inc. All rights reserved.
*
* Author: Anthony Merlino <anthony@vergeaero.com>
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 NuttX 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 COPYRIGHT HOLDERS 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
* COPYRIGHT OWNER 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <nuttx/fs/ioctl.h>
#include "i8sak.h"
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
#include "wireless/ieee802154.h"
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void scan_eventcb(FAR struct ieee802154_primitive_s *primitive,
FAR void *arg);
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name : i8sak_scan_cmd
*
* Description :
* Request association with the Coordinator
****************************************************************************/
void i8sak_scan_cmd(FAR struct i8sak_s *i8sak, int argc, FAR char *argv[])
{
struct ieee802154_scan_req_s scan;
struct i8sak_eventfilter_s filter;
int fd = 0;
int option;
int argind;
int i;
int minchannel;
int maxchannel;
scan.type = IEEE802154_SCANTYPE_PASSIVE;
argind = 1;
while ((option = getopt(argc, argv, ":hpae")) != ERROR)
{
argind++;
switch (option)
{
case 'h':
fprintf(stderr, "Requests association with endpoint\n"
"Usage: %s [-h|p|a|e] minCh-maxCh\n"
" -h = this help menu\n"
" -p = passive scan (default)\n"
" -a = active scan\n"
" -e = energy scan\n"
, argv[0]);
/* Must manually reset optind if we are going to exit early */
optind = -1;
return;
case 'p':
scan.type = IEEE802154_SCANTYPE_PASSIVE;
break;
case 'a':
scan.type = IEEE802154_SCANTYPE_ACTIVE;
break;
case 'e':
scan.type = IEEE802154_SCANTYPE_ED;
break;
case ':':
fprintf(stderr, "ERROR: missing argument\n");
/* Must manually reset optind if we are going to exit early */
optind = -1;
i8sak_cmd_error(i8sak); /* This exits for us */
case '?':
fprintf(stderr, "ERROR: unknown argument\n");
/* Must manually reset optind if we are going to exit early */
optind = -1;
i8sak_cmd_error(i8sak); /* This exits for us */
}
}
/* There should always be one argument after the list option argument */
if (argc != argind + 1)
{
fprintf(stderr, "ERROR: invalid channel list\n");
i8sak_cmd_error(i8sak);
}
scan.duration = 7;
scan.chpage = i8sak->chpage;
/* Parse channel list */
sscanf(argv[argind], "%d-%d", &minchannel, &maxchannel);
scan.numchan = maxchannel - minchannel + 1;
if (scan.numchan > 15)
{
fprintf(stderr, "ERROR: too many channels\n");
i8sak_cmd_error(i8sak);
}
for (i = 0; i < scan.numchan; i++)
{
scan.channels[i] = minchannel + i;
}
i8sak_requestdaemon(i8sak);
/* Register new callback for receiving the scan confirmation notification */
memset(&filter, 0, sizeof(struct i8sak_eventfilter_s));
filter.confevents.scan = true;
i8sak_eventlistener_addreceiver(i8sak, scan_eventcb, &filter, true);
printf("i8sak: starting scan\n");
if (i8sak->mode == I8SAK_MODE_CHAR)
{
fd = open(i8sak->ifname, O_RDWR);
if (fd < 0)
{
fprintf(stderr, "ERROR: cannot open %s, errno=%d\n",
i8sak->ifname, errno);
i8sak_cmd_error(i8sak);
}
ieee802154_scan_req(fd, &scan);
}
#ifdef CONFIG_NET_6LOWPAN
else if (i8sak->mode == I8SAK_MODE_NETIF)
{
fd = socket(PF_INET6, SOCK_DGRAM, 0);
if (fd < 0)
{
fprintf(stderr, "ERROR: failed to open socket, errno=%d\n", errno);
i8sak_cmd_error(i8sak);
}
sixlowpan_scan_req(fd, i8sak->ifname, &scan);
}
#endif
close(fd);
}
/****************************************************************************
* Private Functions
****************************************************************************/
static void scan_eventcb(FAR struct ieee802154_primitive_s *primitive,
FAR void *arg)
{
FAR struct i8sak_s *i8sak = (FAR struct i8sak_s *)arg;
FAR struct ieee802154_scan_conf_s *scan = &primitive->u.scanconf;
int i;
printf("\n\ni8sak: Scan complete: %s\n",
IEEE802154_STATUS_STRING[scan->status]);
printf("Scan type: ");
switch (scan->type)
{
case IEEE802154_SCANTYPE_ACTIVE:
printf("Active\n");
break;
case IEEE802154_SCANTYPE_PASSIVE:
printf("Passive\n");
break;
case IEEE802154_SCANTYPE_ED:
printf("Energy\n");
break;
default:
printf("Unknown\n");
break;
}
printf("Scan results: \n");
if (scan->type == IEEE802154_SCANTYPE_ACTIVE ||
scan->type == IEEE802154_SCANTYPE_PASSIVE)
{
/* Copy the results from the notification */
i8sak->npandesc = scan->numresults;
memcpy(i8sak->pandescs, scan->pandescs,
sizeof(struct ieee802154_pandesc_s) * i8sak->npandesc);
/* Print the results out */
for (i = 0; i < scan->numresults; i++)
{
printf("Result %d\n", i);
printf(" Channel: %u\n", scan->pandescs[i].chan);
printf(" PAN ID: "
PRINTF_FORMAT_PANID(scan->pandescs[i].coordaddr.panid));
if (scan->pandescs[i].coordaddr.mode == IEEE802154_ADDRMODE_SHORT)
{
printf(" Coordinator Short Address: "
PRINTF_FORMAT_SADDR(scan->pandescs[i].coordaddr.saddr));
}
else
{
printf(" Coordinator Extended Address: "
PRINTF_FORMAT_EADDR(scan->pandescs[i].coordaddr.eaddr));
}
}
}
if (scan->type == IEEE802154_SCANTYPE_ED)
{
/* Print the results out */
for (i = 0; i < scan->numresults; i++)
{
printf("Result %d\n", i);
printf(" Channel: %u Energy: %d\n",
scan->chlist[i], scan->edlist[i]);
}
}
i8sak_releasedaemon(i8sak);
}
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