feat: ELRS backpack support for OSD

data/index.html

@@ -111,6 +111,10 @@ <h1>Phobos LapTimer</h1>
             <label for="pwd">WiFi Password:</label>
             <input type="password" id="pwd" maxlength="32" />
           </div>
+          <div class="config-item" style="display: none">
+            <label for="elrs">Elrs bind phrase</label>
+            <input type="text" id="elrsBindPhrase" maxlength="32" />
+          </div>
         </div>
         <button id="EnableAudioButton" onclick="enableAudioLoop()">Enable voice</button>
         <button id="DisableAudioButton" onclick="disableAudioLoop()">Disable voice</button>

data/script.js

@@ -13,6 +13,7 @@ const ssidInput = document.getElementById("ssid");
 const pwdInput = document.getElementById("pwd");
 const minLapInput = document.getElementById("minLap");
 const alarmThreshold = document.getElementById("alarmThreshold");
+const elrsBindPhrase = document.getElementById("elrsBindPhrase");
 
 const freqLookup = [
   [5865, 5845, 5825, 5805, 5785, 5765, 5745, 5725],
@@ -85,6 +86,7 @@ onload = function (e) {
       timer.innerHTML = "00:00:00 s";
       clearLaps();
       createRssiChart();
+      elrsBindPhrase.value = config.elrsBindPhrase
     });
 };
 
@@ -245,6 +247,7 @@ function saveConfig() {
       name: pilotNameInput.value,
       ssid: ssidInput.value,
       pwd: pwdInput.value,
+      elrsBindPhrase: elrsBindPhrase.value,
     }),
   })
     .then((response) => response.json())

lib/CONFIG/config.cpp

@@ -59,6 +59,7 @@ void Config::toJson(AsyncResponseStream& destination) {
     config["name"] = conf.pilotName;
     config["ssid"] = conf.ssid;
     config["pwd"] = conf.password;
+    config["elrsBindPhrase"] = conf.elrsBindPhrase;
     serializeJson(config, destination);
 }
 
@@ -74,6 +75,7 @@ void Config::toJsonString(char* buf) {
     config["name"] = conf.pilotName;
     config["ssid"] = conf.ssid;
     config["pwd"] = conf.password;
+    config["elrsBindPhrase"] = conf.elrsBindPhrase;
     serializeJsonPretty(config, buf, 256);
 }
 
@@ -118,6 +120,10 @@ void Config::fromJson(JsonObject source) {
         strlcpy(conf.password, source["pwd"] | "", sizeof(conf.password));
         modified = true;
     }
+    if (source["elrsBindPhrase"] != conf.elrsBindPhrase) {
+        strlcpy(conf.elrsBindPhrase, source["elrsBindPhrase"] | "", sizeof(conf.elrsBindPhrase));
+        modified = true;
+    }
 }
 
 uint16_t Config::getFrequency() {
@@ -148,6 +154,10 @@ char* Config::getPassword() {
     return conf.password;
 }
 
+char* Config::getElrsBindPhrase() {
+    return conf.elrsBindPhrase;
+}
+
 void Config::setDefaults(void) {
     DEBUG("Setting EEPROM defaults\n");
     // Reset everything to 0/false and then just set anything that zero is not appropriate
@@ -163,6 +173,7 @@ void Config::setDefaults(void) {
     strlcpy(conf.ssid, "", sizeof(conf.ssid));
     strlcpy(conf.password, "", sizeof(conf.password));
     strlcpy(conf.pilotName, "", sizeof(conf.pilotName));
+    strlcpy(conf.elrsBindPhrase, "", sizeof(conf.elrsBindPhrase));
     modified = true;
     write();
 }

lib/CONFIG/config.h

@@ -81,6 +81,7 @@ typedef struct {
     char pilotName[21];
     char ssid[33];
     char password[33];
+    char elrsBindPhrase[32];
 } laptimer_config_t;
 
 class Config {
@@ -101,6 +102,7 @@ class Config {
     uint8_t getExitRssi();
     char* getSsid();
     char* getPassword();
+    char* getElrsBindPhrase();
 
    private:
     laptimer_config_t conf;

lib/LAPTIMER/laptimer.cpp

@@ -10,6 +10,7 @@ void LapTimer::init(Config *config, RX5808 *rx5808, Buzzer *buzzer, Led *l) {
     rx = rx5808;
     buz = buzzer;
     led = l;
+    startTimeOffsetMs = 0;
 
     filter.setMeasurementNoise(rssi_filter_q * 0.01f);
     filter.setProcessNoise(rssi_filter_r * 0.0001f);
@@ -21,6 +22,7 @@ void LapTimer::init(Config *config, RX5808 *rx5808, Buzzer *buzzer, Led *l) {
 void LapTimer::start() {
     DEBUG("LapTimer started\n");
     state = RUNNING;
+    startTimeOffsetMs = millis(); 
     buz->beep(500);
     led->on(500);
 }
@@ -30,6 +32,7 @@ void LapTimer::stop() {
     state = STOPPED;
     lapCount = 0;
     rssiCount = 0;
+    startTimeOffsetMs = 0;
     memset(lapTimes, 0, sizeof(lapTimes));
     buz->beep(500);
     led->on(500);
@@ -75,7 +78,7 @@ void LapTimer::lapPeakCapture() {
         // Check if RSSI is greater than the previous detected peak
         if (rssi[rssiCount] > rssiPeak) {
             rssiPeak = rssi[rssiCount];
-            rssiPeakTimeMs = millis();
+            rssiPeakTimeMs = millis() - startTimeOffsetMs;
         }
     }
 }

lib/LAPTIMER/laptimer.h

@@ -30,6 +30,7 @@ class LapTimer {
     Buzzer *buz;
     Led *led;
     KalmanFilter filter;
+    uint32_t startTimeOffsetMs;
     uint32_t startTimeMs;
     uint8_t lapCount;
     uint8_t rssiCount;

lib/MSP/Readme.md

@@ -0,0 +1 @@
+Files are copied from https://github.com/ExpressLRS/Backpack/tree/master/lib/MSP commit 476d7c5