smartport: removed disabling on timeout

and refuse to initialise in case the port is shared with something else (would not work anyway).

src/main/telemetry/smartport.c

@@ -64,8 +64,7 @@ enum
 {
     SPSTATE_UNINITIALIZED,
     SPSTATE_INITIALIZED,
-    SPSTATE_WORKING,
-    SPSTATE_TIMEDOUT
+    SPSTATE_WORKING
 };
 
 enum
@@ -145,7 +144,6 @@ const uint16_t frSkyDataIdTable[] = {
 #define SMARTPORT_BAUD 57600
 #define SMARTPORT_UART_MODE MODE_RXTX
 #define SMARTPORT_SERVICE_TIMEOUT_MS 1 // max allowed time to find a value to send
-#define SMARTPORT_NOT_CONNECTED_TIMEOUT_MS 7000
 
 static serialPort_t *smartPortSerialPort = NULL; // The 'SmartPort'(tm) Port.
 static serialPortConfig_t *portConfig;
@@ -352,15 +350,9 @@ bool canSendSmartPortTelemetry(void)
     return smartPortSerialPort && (smartPortState == SPSTATE_INITIALIZED || smartPortState == SPSTATE_WORKING);
 }
 
-bool isSmartPortTimedOut(void)
-{
-    return smartPortState >= SPSTATE_TIMEDOUT;
-}
-
 void checkSmartPortTelemetryState(void)
 {
-    bool newTelemetryEnabledValue = telemetryDetermineEnabledState(smartPortPortSharing);
-
+    bool newTelemetryEnabledValue = (smartPortPortSharing == PORTSHARING_NOT_SHARED);
     if (newTelemetryEnabledValue == smartPortTelemetryEnabled) {
         return;
     }
@@ -578,14 +570,6 @@ void handleSmartPortTelemetry(void)
         smartPortDataReceive(c);
     }
 
-    uint32_t now = millis();
-
-    // if timed out, reconfigure the UART back to normal so the GUI or CLI works
-    if ((now - smartPortLastRequestTime) > SMARTPORT_NOT_CONNECTED_TIMEOUT_MS) {
-        smartPortState = SPSTATE_TIMEDOUT;
-        return;
-    }
-
     if(smartPortFrameReceived) {
         smartPortFrameReceived = false;
         // do not check the physical ID here again

src/main/telemetry/smartport.h

@@ -15,5 +15,3 @@ void checkSmartPortTelemetryState(void);
 void configureSmartPortTelemetryPort(void);
 void freeSmartPortTelemetryPort(void);
 
-bool isSmartPortTimedOut(void);
-