POC for review and discussion

radio/src/lua/api_general.cpp

@@ -218,6 +218,11 @@ static void luaPushCells(lua_State* L, TelemetrySensor & telemetrySensor, Teleme
 
 void luaGetValueAndPush(lua_State* L, int src)
 {
+  if(IS_FAI_FORBIDDEN(src)) {
+    lua_pushinteger(L, 0);
+    return;
+  }
+  
   getvalue_t value = getValue(src); // ignored for GPS, DATETIME, and CELLS
 
   if (src >= MIXSRC_FIRST_TELEM && src <= MIXSRC_LAST_TELEM) {
@@ -587,6 +592,7 @@ or a name (string) of the source.
 @retval value current source value (number). Zero is returned for:
  * non-existing sources
  * for all telemetry source when the telemetry stream is not received
+ * far all non allowed sensors while FAI MODE is active
 
 @retval table GPS position is returned in a table:
  * `lat` (number) latitude, positive is North

radio/src/mixer.cpp

@@ -448,6 +448,9 @@ getvalue_t getValue(mixsrc_t i)
 
 #if defined(CPUARM)
   else if (i <= MIXSRC_LAST_TELEM) {
+    if(IS_FAI_FORBIDDEN(i)) {
+      return 0;
+    }
     i -= MIXSRC_FIRST_TELEM;
     div_t qr = div(i, 3);
     TelemetryItem & telemetryItem = telemetryItems[qr.quot];

radio/src/opentx.h

@@ -231,7 +231,7 @@
   #define IF_FAI_CHOICE(x)
 #endif
 
-#define IS_FAI_FORBIDDEN(idx) (IS_FAI_ENABLED() && idx >= MIXSRC_FIRST_TELEM)
+#define IS_FAI_FORBIDDEN(idx) (IS_FAI_ENABLED() &&  isFaiForbidden(idx))
 
 #if defined(BLUETOOTH)
 #if defined(X9E) && !defined(USEHORUSBT)

radio/src/telemetry/telemetry_sensors.cpp

@@ -23,6 +23,16 @@
 TelemetryItem telemetryItems[MAX_TELEMETRY_SENSORS];
 uint8_t allowNewSensors;
 
+bool isFaiForbidden(source_t idx) {
+  TelemetrySensor * sensor = &g_model.telemetrySensors[idx-MIXSRC_FIRST_TELEM];
+  if (sensor->id == RSSI_ID) {
+    return false;
+  }
+  else {
+    return true;
+  }
+}
+
 // TODO in maths
 uint32_t getDistFromEarthAxis(int32_t latitude)
 {

radio/src/telemetry/telemetry_sensors.h

@@ -136,5 +136,6 @@ class TelemetryItem
 
 extern TelemetryItem telemetryItems[MAX_TELEMETRY_SENSORS];
 extern uint8_t allowNewSensors;
+bool isFaiForbidden(source_t idx);
 
 #endif // _TELEMETRY_SENSORS_H_