Added BSSID, channel, RSSI and distance to status tab

code/espurna/config/general.h

@@ -318,6 +318,9 @@ PROGMEM const char* const custom_reset_string[] = {
 //#define WIFI2_SSID              "..."
 //#define WIFI2_PASS              "..."
 
+#define WIFI_RSSI_1M            -30         // Calibrate it with your router reading the RSSI at 1m
+#define WIFI_PROPAGATION_CONST  4           // This is typically something between 2.7 to 4.3 (free space is 2)
+
 // -----------------------------------------------------------------------------
 // WEB
 // -----------------------------------------------------------------------------

code/espurna/wifi.ino

@@ -41,6 +41,11 @@ String getNetwork() {
     return WiFi.SSID();
 }
 
+double wifiDistance(int rssi) {
+    double exponent = (double) (WIFI_RSSI_1M - rssi) / WIFI_PROPAGATION_CONST / 10.0;
+    return round(pow(10, exponent));
+}
+
 void wifiDisconnect() {
     jw.disconnect();
 }

code/espurna/ws.ino

@@ -220,6 +220,12 @@ void _wsOnStart(JsonObject& root) {
 
         char chipid[7];
         snprintf_P(chipid, sizeof(chipid), PSTR("%06X"), ESP.getChipId());
+        uint8_t * bssid = WiFi.BSSID();
+        char bssid_str[20];
+        snprintf_P(bssid_str, sizeof(bssid_str),
+            PSTR("%02X:%02X:%02X:%02X:%02X:%02X"),
+            bssid[0], bssid[1], bssid[2], bssid[3], bssid[4], bssid[5]
+        );
 
         root["webMode"] = WEB_MODE_NORMAL;
 
@@ -229,6 +235,10 @@ void _wsOnStart(JsonObject& root) {
         root["manufacturer"] = MANUFACTURER;
         root["chipid"] = String(chipid);
         root["mac"] = WiFi.macAddress();
+        root["bssid"] = String(bssid_str);
+        root["channel"] = WiFi.channel();
+        root["rssi"] = WiFi.RSSI();
+        root["distance"] = wifiDistance(WiFi.RSSI());
         root["device"] = DEVICE;
         root["hostname"] = getSetting("hostname");
         root["network"] = getNetwork();

code/html/index.html

@@ -190,6 +190,15 @@
                                     <div class="pure-u-1-2 pure-u-lg-1-4">Network</div>
                                     <div class="pure-u-11-24 pure-u-lg-17-24"><span class="right" name="network"></span></div>
 
+                                    <div class="pure-u-1-2 pure-u-lg-1-4">BSSID</div>
+                                    <div class="pure-u-11-24 pure-u-lg-17-24"><span class="right" name="bssid"></span></div>
+
+                                    <div class="pure-u-1-2 pure-u-lg-1-4">Channel</div>
+                                    <div class="pure-u-11-24 pure-u-lg-17-24"><span class="right" name="channel"></span></div>
+
+                                    <div class="pure-u-1-2 pure-u-lg-1-4">RSSI</div>
+                                    <div class="pure-u-11-24 pure-u-lg-17-24"><span class="right" name="rssi"></span> (<span name="distance" post="m"></span>)</div>
+
                                     <div class="pure-u-1-2 pure-u-lg-1-4">IP</div>
                                     <div class="pure-u-11-24 pure-u-lg-17-24"><span class="right" name="deviceip"></span></div>