Spectrum analyser fixes

Compatibily issue when telemetry comes from int + ext modules

radio/src/telemetry/frsky_pxx2.cpp

@@ -218,7 +218,7 @@ void processSpectrumAnalyserFrame(uint8_t module, uint8_t * frame)
   // TRACE("Fq=%u, Pw=%d, X=%d, Y=%d", *frequency, int32_t(*power), D * 128 / 40000000, int32_t(127 + *power));
 
   int32_t position = *frequency - (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2);
-  int32_t x = (position * LCD_W / 8) / (reusableBuffer.spectrumAnalyser.span / 8);
+  uint32_t x = (position * LCD_W / 8) / (reusableBuffer.spectrumAnalyser.span / 8);
   if (x < LCD_W) {
     reusableBuffer.spectrumAnalyser.bars[x] = 127 + *power;
   }

radio/src/telemetry/frsky_sport.cpp

@@ -170,7 +170,7 @@ void sportProcessTelemetryPacketWithoutCrc(uint8_t origin, const uint8_t * packe
       data = SPORT_DATA_U8(packet);
       if (g_model.rssiSource) {
         TelemetrySensor * sensor = & g_model.telemetrySensors[g_model.rssiSource];
-        if (sensor->instance == instance) {
+        if (sensor->isSameInstance(TELEM_PROTO_FRSKY_SPORT, instance)) {
           telemetryData.rssi.set(data);
         }
       }

radio/src/telemetry/telemetry.cpp

@@ -292,12 +292,6 @@ void telemetryInit(uint8_t protocol)
   }
 #endif
 
-  else if (protocol == PROTOCOL_TELEMETRY_PXX2) {
-    telemetryPortInit(PXX2_ON_SPORT_BAUDRATE, TELEMETRY_SERIAL_WITHOUT_DMA);
-#if defined(LUA)
-    outputTelemetryBuffer.reset();
-#endif
-  }
   else {
     telemetryPortInit(FRSKY_SPORT_BAUDRATE, TELEMETRY_SERIAL_WITHOUT_DMA);
 #if defined(LUA)

radio/src/telemetry/telemetry.h

@@ -126,13 +126,6 @@ inline uint8_t modelTelemetryProtocol()
     return g_model.telemetryProtocol;
   }
 
-  if (!IS_INTERNAL_MODULE_ENABLED() && isModulePXX2(EXTERNAL_MODULE)) {
-    return PROTOCOL_TELEMETRY_PXX2;
-  }
-
-  if (!IS_INTERNAL_MODULE_ENABLED() && isModulePXX(EXTERNAL_MODULE)) {
-    return PROTOCOL_TELEMETRY_FRSKY_SPORT;
-  }
 #if defined(MULTIMODULE)
   if (!IS_INTERNAL_MODULE_ENABLED() && g_model.moduleData[EXTERNAL_MODULE].type == MODULE_TYPE_MULTIMODULE) {
     return PROTOCOL_TELEMETRY_MULTIMODULE;