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[WIP] Add WiFi signal strength indicator to info section #2

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Merged
netmindz merged 2 commits into from
Apr 24, 2026
Merged

[WIP] Add WiFi signal strength indicator to info section #2

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22bc3d0
Initial plan
Copilot Apr 24, 2026
77570b5
Add WiFi signal strength (RSSI) to status display
Copilot Apr 24, 2026
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30 changes: 29 additions & 1 deletion src/web_ui.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -111,6 +111,7 @@ static const char INDEX_HTML[] PROGMEM = R"rawliteral(
<div class="status-item">
<div class="label">WiFi</div>
<div class="value" id="wifiStatus">...</div>
<div class="label" id="wifiRssi" style="display:none"></div>
</div>
<div class="status-item">
<div class="label">Zigbee</div>
Expand Down Expand Up @@ -222,16 +223,31 @@ static const char INDEX_HTML[] PROGMEM = R"rawliteral(
let config = { lights: [] };
let isApMode = false;

function rssiLabel(rssi) {
if (rssi >= -60) return 'Excellent';
if (rssi >= -70) return 'Good';
if (rssi >= -80) return 'Fair';
return 'Weak';
}

async function loadStatus() {
try {
const r = await fetch('/api/status');
const s = await r.json();
document.getElementById('wifiStatus').textContent = s.wifi || 'Unknown';
const rssiEl = document.getElementById('wifiRssi');
if (s.rssi && s.wifi && s.wifi !== 'Not connected') {
rssiEl.textContent = s.rssi + ' dBm \u00b7 ' + rssiLabel(s.rssi);
rssiEl.style.display = '';
} else {
rssiEl.style.display = 'none';
}
document.getElementById('zbStatus').textContent = s.zigbee || 'Unknown';
isApMode = s.apMode || false;
document.getElementById('wifiSetup').style.display = isApMode ? 'block' : 'none';
} catch(e) {
document.getElementById('wifiStatus').textContent = 'AP Mode';
document.getElementById('wifiRssi').style.display = 'none';
document.getElementById('wifiSetup').style.display = 'block';
isApMode = true;
}
Expand Down Expand Up @@ -527,6 +543,13 @@ let useSSE = true;

function applyStatus(s) {
document.getElementById('wifiStatus').textContent = s.wifi || 'Unknown';
const rssiEl = document.getElementById('wifiRssi');
if (s.rssi && s.wifi && s.wifi !== 'Not connected') {
rssiEl.textContent = s.rssi + ' dBm \u00b7 ' + rssiLabel(s.rssi);
rssiEl.style.display = '';
} else {
rssiEl.style.display = 'none';
}
document.getElementById('zbStatus').textContent = s.zigbee || 'Unknown';
isApMode = s.apMode || false;
document.getElementById('wifiSetup').style.display = isApMode ? 'block' : 'none';
Expand Down Expand Up @@ -669,6 +692,7 @@ static esp_err_t handleRoot(httpd_req_t *req) {
static esp_err_t handleStatus(httpd_req_t *req) {
JsonDocument doc;
doc["wifi"] = WiFi.isConnected() ? WiFi.SSID() : "Not connected";
doc["rssi"] = WiFi.isConnected() ? static_cast<int>(WiFi.RSSI()) : 0;
doc["apMode"] = apMode;
doc["zigbee"] = !zigbeeIsEnabled() ? "Disabled - no lights configured"
: zigbeeIsPaired() ? "Paired"
Expand Down Expand Up @@ -1008,6 +1032,7 @@ struct StatusSnapshot {
bool zigbeeEnabled;
bool zigbeePaired;
uint8_t lightCount;
int8_t rssi;
};

// Compact light state snapshot for change detection (avoids full JSON compare)
Expand All @@ -1031,6 +1056,7 @@ static unsigned long sseLastKeepalive = 0;
static String buildStatusJson() {
JsonDocument doc;
doc["wifi"] = WiFi.isConnected() ? WiFi.SSID() : "Not connected";
doc["rssi"] = WiFi.isConnected() ? static_cast<int>(WiFi.RSSI()) : 0;
doc["apMode"] = apMode;
doc["zigbee"] = !zigbeeIsEnabled() ? "Disabled - no lights configured"
: zigbeeIsPaired() ? "Paired"
Expand Down Expand Up @@ -1073,6 +1099,7 @@ static StatusSnapshot takeStatusSnapshot() {
s.zigbeeEnabled = zigbeeIsEnabled();
s.zigbeePaired = zigbeeIsPaired();
s.lightCount = configStore.getLightCount();
s.rssi = WiFi.isConnected() ? static_cast<int8_t>(WiFi.RSSI()) : 0;
return s;
}

Expand All @@ -1081,7 +1108,8 @@ static bool statusChanged(const StatusSnapshot& a, const StatusSnapshot& b) {
|| a.apMode != b.apMode
|| a.zigbeeEnabled != b.zigbeeEnabled
|| a.zigbeePaired != b.zigbeePaired
|| a.lightCount != b.lightCount;
|| a.lightCount != b.lightCount
|| abs(static_cast<int>(a.rssi) - static_cast<int>(b.rssi)) >= 5;
}

static void takeLightSnapshot(LightSnapshot* out, uint8_t count) {
Expand Down
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