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apps/wireless/wapi/scan: Add frequency/rssi printf

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Scan print layout:

nsh> wapi scan wlan0
bssid / frequency / signal level / ssid
**:**:**:**:**:**       2437    -38     <ssid>
**:**:**:**:**:**       2427    -36     <ssid>
...
This commit is contained in:
chao.an 2019-12-26 17:37:12 +08:00 committed by Gregory Nutt
parent 270b97190b
commit 7612221df6
3 changed files with 65 additions and 16 deletions
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2
include/wireless/wapi.h
View File

@ -181,6 +181,8 @@ struct wapi_scan_info_s
enum wapi_mode_e mode;
int has_bitrate;
int bitrate;
int has_rssi;
int rssi;
};
/* Linked list container for routing table rows. */

5
wireless/wapi/src/wapi.c
View File

@ -747,13 +747,14 @@ static void wapi_scan_cmd(int sock, FAR const char *ifname)
/* Print found aps */
printf("bssid / frequency / signal level / ssid\n");
for (info = list.head.scan; info; info = info->next)
{
printf(" %02x:%02x:%02x:%02x:%02x:%02x %s\n",
printf("%02x:%02x:%02x:%02x:%02x:%02x\t%g\t%d\t%s\n",
info->ap.ether_addr_octet[0], info->ap.ether_addr_octet[1],
info->ap.ether_addr_octet[2], info->ap.ether_addr_octet[3],
info->ap.ether_addr_octet[4], info->ap.ether_addr_octet[5],
(info->has_essid ? info->essid : ""));
info->freq, info->rssi, info->essid);
}
/* Free ap list */

52
wireless/wapi/src/wireless.c
View File

@ -342,9 +342,35 @@ static int wapi_scan_event(FAR struct iw_event *event,
}
case SIOCGIWFREQ:
{
info->has_freq = 1;
if (event->u.freq.e == 0)
{
/* Some drivers do not report frequency, but a channel.
* Try to map this to frequency by assuming they are using
* IEEE 802.11b/g. But don't overwrite a previously parsed
* frequency if the driver sends both frequency and channel,
* since the driver may be sending an A-band channel that we
* don't handle here.
*/
if (event->u.freq.m >= 1 && event->u.freq.m <= 13)
{
info->freq = 2407 + 5 * event->u.freq.m;
}
else if (event->u.freq.m == 14)
{
info->freq = 2484;
}
}
else
{
info->freq = wapi_freq2float(&(event->u.freq));
}
break;
}
case SIOCGIWMODE:
{
@ -361,16 +387,19 @@ static int wapi_scan_event(FAR struct iw_event *event,
}
case SIOCGIWESSID:
{
info->has_essid = 1;
info->essid_flag = (event->u.data.flags) ? WAPI_ESSID_ON
: WAPI_ESSID_OFF;
memset(info->essid, 0, (WAPI_ESSID_MAX_SIZE + 1));
if ((event->u.essid.pointer) && (event->u.essid.length))
{
memcpy(info->essid, event->u.essid.pointer, event->u.essid.length);
memcpy(info->essid, event->u.essid.pointer,
event->u.essid.length);
}
break;
}
case SIOCGIWRATE:
@ -383,7 +412,26 @@ static int wapi_scan_event(FAR struct iw_event *event,
info->has_bitrate = 1;
info->bitrate = event->u.bitrate.value;
}
break;
case IWEVQUAL:
{
if (event->u.qual.updated & IW_QUAL_DBM)
{
info->has_rssi = 1;
info->rssi = event->u.qual.level;
/* Report signal levels in dBm */
if (info->rssi >= 0x40)
{
info->rssi -= 0x100;
}
}
break;
}
}
return 0;
@ -1237,8 +1285,6 @@ alloc:
return -errcode;
}
printf("got %d bytes\n", wrq.u.data.length);
/* We have the results, process them. */
if (wrq.u.data.length)