Fixes #56

lib/BleFingerprint/BleFingerprint.cpp

@@ -175,7 +175,7 @@ void BleFingerprint::setInitial(int initalRssi, float initalDistance)
     hasValue = filter() || filter();
 }
 
-bool BleFingerprint::report(JsonDocument *doc, int maxDistance)
+bool BleFingerprint::report(JsonDocument *doc, float maxDistance)
 {
     if (pid.isEmpty() && sid.isEmpty() && !macPublic)
         return false;

lib/BleFingerprint/BleFingerprint.h

@@ -38,7 +38,7 @@ public:
     BleFingerprint(BLEAdvertisedDevice *advertisedDevice, float fcmin, float beta, float dcutoff);
 
     void seen(BLEAdvertisedDevice *advertisedDevice);
-    bool report(JsonDocument *doc, int maxDistance);
+    bool report(JsonDocument *doc, float maxDistance);
 
     String getId()
     {

src/main.cpp

@@ -94,7 +94,7 @@ void connectToWifi()
     // Define custom settings saved by WifiSettings
     // These will return the default if nothing was set before
     room = WiFiSettings.string("room", ESPMAC, "Room");
-    maxDistance = WiFiSettings.integer("max_dist", DEFAULT_MAX_DISTANCE, "Maximum distance to report (in meters)");
+    maxDistance = WiFiSettings.floating("max_dist", 0, 100, DEFAULT_MAX_DISTANCE, "Maximum distance to report (in meters)");
 
     WiFiSettings.heading("MQTT Connection");
     mqttHost = WiFiSettings.string("mqtt_host", DEFAULT_MQTT_HOST, "Server");
@@ -131,7 +131,7 @@ void connectToWifi()
     Serial.println(WiFi.getHostname());
     Serial.print("Room:         ");
     Serial.println(room);
-    Serial.printf("Max Distance: %d\n", maxDistance);
+    Serial.printf("Max Distance: %.2f\n", maxDistance);
     Serial.print("Telemetry:    ");
     Serial.println(publishTele ? "enabled" : "disabled");
     Serial.print("Rooms:        ");
@@ -178,7 +178,7 @@ void onMqttMessage(char *topic, char *payload, AsyncMqttClientMessageProperties
     String pay = String(new_payload);
     if (top == roomsTopic + "/max_distance/set")
     {
-        maxDistance = pay.toInt();
+        maxDistance = pay.toFloat();
         spurt("/max_dist", pay);
     }
 }

src/main.h

@@ -46,7 +46,7 @@ bool activeScan;
 bool publishTele;
 bool publishRooms;
 bool publishDevices;
-int maxDistance;
+float maxDistance;
 int pirPin;
 int radarPin;
 
@@ -341,6 +341,7 @@ bool sendDiscoveryMaxDistance()
     doc["availability_topic"] = "~/status";
     doc["stat_t"] = "~/max_distance";
     doc["cmd_t"] = "~/max_distance/set";
+    doc["step"] = "0.01";
 
     commonDiscovery(&doc);
     serializeJson(doc, buffer);