Add skeleton for FrSkyX receiver protocol

Multiprotocol/Multiprotocol.h

@@ -81,6 +81,7 @@ enum PROTOCOLS
 	PROTO_ZSX		= 52,	// =>NRF24L01
 	PROTO_FLYZONE	= 53,	// =>A7105
 	PROTO_SCANNER	= 54,	// =>CC2500
+	PROTO_FRSKYX_RX	= 55,	// =>CC2500
 	PROTO_XN297DUMP	= 63,	// =>NRF24L01
 };
 
@@ -288,6 +289,11 @@ enum TRAXXAS
 {
 	RX6519	= 0,
 };
+enum FRSKYX_RX
+{
+	FRSKYX_FCC	= 0,
+	FRSKYX_LBT
+};
 
 #define NONE 		0
 #define P_HIGH		1
@@ -321,6 +327,7 @@ enum MultiPacketTypes
 	MULTI_TELEMETRY_HITEC			= 10,
 	MULTI_TELEMETRY_SCANNER			= 11,
 	MULTI_TELEMETRY_AFHDS2A_AC		= 12,
+	MULTI_TELEMETRY_CHANNELS		= 13,
 };
 
 // Macros
@@ -640,6 +647,7 @@ Serial: 100000 Baud 8e2      _ xxxx xxxx p --
 					ZSX			52
 					FLYZONE		53
 					SCANNER		54
+					FRSKYX_RX	55
    BindBit=>		0x80	1=Bind/0=No
    AutoBindBit=>	0x40	1=Yes /0=No
    RangeCheck=>		0x20	1=Yes /0=No
@@ -781,6 +789,9 @@ Serial: 100000 Baud 8e2      _ xxxx xxxx p --
 			RED_SLOW	1
 		sub_protocol==TRAXXAS
 			RX6519		0
+		sub_protocol==FRSKYX_RX
+			FCC			0
+			LBT			1
 
    Power value => 0x80	0=High/1=Low
   Stream[3]   = option_protocol;
@@ -899,4 +910,8 @@ Serial: 100000 Baud 8e2      _ xxxx xxxx p --
    data[0] = RSSI value
    data[1-28] telemetry data
 
+  Type 0x0D RX channels forwarding
+   length: 22
+   data[0-21] packed channels data, 16 channels, 11 bit per channel, msb first
+
 */

Multiprotocol/Multiprotocol.ino

@@ -647,7 +647,7 @@ uint8_t Update_All()
 	update_led_status();
 	#if defined(TELEMETRY)
 		#if ( !( defined(MULTI_TELEMETRY) || defined(MULTI_STATUS) ) )
-			if( (protocol == PROTO_SCANNER) || (protocol==PROTO_FRSKYD) || (protocol==PROTO_BAYANG) || (protocol==PROTO_NCC1701) || (protocol==PROTO_BUGS) || (protocol==PROTO_BUGSMINI) || (protocol==PROTO_HUBSAN) || (protocol==PROTO_AFHDS2A) || (protocol==PROTO_FRSKYX) || (protocol==PROTO_DSM) || (protocol==PROTO_CABELL)  || (protocol==PROTO_HITEC))
+			if( (protocol == PROTO_FRSKYX_RX) || (protocol==PROTO_FRSKYX)(protocol == PROTO_SCANNER) || (protocol==PROTO_FRSKYD) || (protocol==PROTO_BAYANG) || (protocol==PROTO_NCC1701) || (protocol==PROTO_BUGS) || (protocol==PROTO_BUGSMINI) || (protocol==PROTO_HUBSAN) || (protocol==PROTO_AFHDS2A) || (protocol==PROTO_FRSKYX) || (protocol==PROTO_DSM) || (protocol==PROTO_CABELL)  || (protocol==PROTO_HITEC))
 		#endif
 				TelemetryUpdate();
 	#endif
@@ -1028,6 +1028,14 @@ static void protocol_init()
 						remote_callback = Scanner_callback;
 						break;
 				#endif
+				#if defined(SCANNER_CC2500_INO)
+					case PROTO_FRSKYX_RX:
+						PE1_off;
+						PE2_on;	//antenna RF2
+						next_callback = initFrSkyX_Rx();
+						remote_callback = FrSkyX_Rx_callback;
+						break;
+				#endif
 			#endif
 			#ifdef CYRF6936_INSTALLED
 				#if defined(DSM_CYRF6936_INO)

Multiprotocol/Telemetry.ino

@@ -1019,6 +1019,16 @@ void TelemetryUpdate()
 		}
 	#endif
 
+	#if defined FRSKYX_RX_TELEMETRY
+		if (telemetry_link && protocol == PROTO_FRSKYX_RX)
+		{
+			// TODO
+			//channels_frame();
+			telemetry_link = 0;
+			return;
+		}
+	#endif
+
 		if((telemetry_link & 1 )&& protocol != PROTO_FRSKYX)
 		{	// FrSkyD + Hubsan + AFHDS2A + Bayang + Cabell + Hitec + Bugs + BugsMini + NCC1701
 			frsky_link_frame();

Multiprotocol/_Config.h

@@ -174,6 +174,7 @@
 #define	FRSKYD_CC2500_INO
 #define	FRSKYV_CC2500_INO
 #define	FRSKYX_CC2500_INO
+#define	FRSKYX_RX_CC2500_INO
 #define	HITEC_CC2500_INO
 #define	SCANNER_CC2500_INO
 #define	SFHSS_CC2500_INO
@@ -296,6 +297,7 @@
 #define HITEC_HUB_TELEMETRY			// Use FrSkyD Hub format to send basic telemetry to the radios which can decode it like er9x, ersky9x and OpenTX
 #define HITEC_FW_TELEMETRY			// Under development: Forward received telemetry packets to be decoded by ersky9x and OpenTX
 #define SCANNER_TELEMETRY			// Forward spectrum scanner data to TX
+#define FRSKYX_RX_TELEMETRY			// Forward channels data to TX
 
 //SPORT_POLLING is an implementation of the same polling routine as XJT module for sport telemetry bidirectional communication.
 //This is useful for passing sport control frames from TX to RX(ex: changing Betaflight PID or VTX channels on the fly using LUA scripts with OpentX).
@@ -547,6 +549,9 @@ const PPM_Parameters PPM_prot[14*NBR_BANKS]=	{
 		CH_8
 		EU_16
 		EU_8
+	PROTO_FRSKYX_RX
+		FCC
+		LBT
 	PROTO_FY326
 		FY326
 		FY319