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RSSI getter fixed for ESP8266 #11304

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Merged
merged 2 commits into from
Aug 29, 2019
Merged

RSSI getter fixed for ESP8266 #11304

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a074721
RSSI getter fixed for ESP8266
Aug 23, 2019
2bdf3bb
astyle fixes
Aug 26, 2019
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19 changes: 15 additions & 4 deletions components/wifi/esp8266-driver/ESP8266/ESP8266.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -427,7 +427,7 @@ const char *ESP8266::netmask()

int8_t ESP8266::rssi()
{
int8_t rssi;
int8_t rssi = 0;
char bssid[18];

_smutex.lock();
Expand All @@ -438,17 +438,27 @@ int8_t ESP8266::rssi()
_smutex.unlock();
return 0;
}

set_timeout();
_smutex.unlock();

WiFiAccessPoint ap[1];
_scan_r.res = ap;
_scan_r.limit = 1;
_scan_r.cnt = 0;

_smutex.lock();
set_timeout(ESP8266_CONNECT_TIMEOUT);
if (!(_parser.send("AT+CWLAP=\"\",\"%s\",", bssid)
&& _parser.recv("+CWLAP:(%*d,\"%*[^\"]\",%hhd,", &rssi)
&& _parser.recv("OK\n"))) {
_smutex.unlock();
return 0;
rssi = 0;
} else if (_scan_r.cnt == 1) {
//All OK so read and return rssi
rssi = ap[0].get_rssi();
}

_scan_r.cnt = 0;
_scan_r.res = NULL;
set_timeout();
_smutex.unlock();

Expand Down Expand Up @@ -482,6 +492,7 @@ int ESP8266::scan(WiFiAccessPoint *res, unsigned limit, scan_mode mode, unsigned
}
}


int cnt = _scan_r.cnt;
_scan_r.res = NULL;

Expand Down