MT99XX: new subproto Dragon

Lua_scripts/MultiChan.txt

@@ -124,7 +124,8 @@
 17,2,MT99XX,YZ,1,Flip,LED,Pict,Video,HLess
 17,3,MT99XX,LS,1,Flip,Invert,Pict,Video,HLess
 17,4,MT99XX,FY805,1,Flip,n-a,n-a,n-a,HLess
-17,5,MT99XX,A180,1,3D_6G
+17,5,MT99XX,A180,0,3D_6G
+17,6,MT99XX,Dragon,0,Mode,RTH
 44,0,NCC1701,Std,1,Warp
 77,0,OMP,M2,0,THold,IdleUp,6G_3D
 60,0,Pelikan,PRO_V4,0,CH5,CH6,CH7,CH8

Multiprotocol/MT99xx_nrf24l01.ino

@@ -24,10 +24,12 @@
 #define MT99XX_PACKET_PERIOD_MT		2625
 #define MT99XX_PACKET_PERIOD_YZ		3125
 #define MT99XX_PACKET_PERIOD_A180	3400	// timing changes between the packets 2 x 27220 then 1x 26080, it seems that it is only on the first RF channel which jitters by 1.14ms but hard to pinpoint with XN297dump
+#define MT99XX_PACKET_PERIOD_DRAGON	1038	// there is a pause of 2x1038 between the packets 3 and 4 from what XN297dump detects which I think are used for telemetry
 #define MT99XX_INITIAL_WAIT			500
 #define MT99XX_PACKET_SIZE			9
 
 //#define FORCE_A180_ID
+//#define FORCE_DRAGON_ID
 
 enum{
     // flags going to packet[6] (MT99xx, H7)
@@ -59,6 +61,13 @@ enum{
     FLAG_A180_RATE	= 0x02,
 };
 
+enum{
+    // flags going to packet[6] (DRAGON)
+    FLAG_DRAGON_RATE	= 0x01,
+    FLAG_DRAGON_RTH		= 0x80,
+    FLAG_DRAGON_UNK		= 0x04,
+};
+
 enum {
     MT99XX_INIT = 0,
     MT99XX_BIND,
@@ -108,7 +117,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
 				break;
 			case A180:
 				packet_period = MT99XX_PACKET_PERIOD_A180;
-			default:	// MT99 & H7 & A180
+			default:	// MT99 & H7 & A180 & DRAGON
 				packet[1] = 0x14;
 				packet[2] = 0x03;
 				packet[3] = 0x25;
@@ -123,7 +132,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
 	else
 	{
 		if(sub_protocol != YZ)
-		{ // MT99XX & H7 & LS & FY805 & A180
+		{ // MT99XX & H7 & LS & FY805 & A180 & DRAGON
 			packet[0] = convert_channel_16b_limit(THROTTLE,0xE1,0x00);	// throttle
 			packet[1] = convert_channel_16b_limit(RUDDER  ,0x00,0xE1);	// rudder
 			packet[2] = convert_channel_16b_limit(AILERON ,0xE1,0x00);	// aileron
@@ -167,6 +176,17 @@ static void __attribute__((unused)) MT99XX_send_packet()
 						| GET_FLAG( CH5_SW, FLAG_A180_3D6G );
 					packet[7] = 0x00;
 					break;
+				case DRAGON:
+					if(CH5_SW)										// Advanced mode
+						packet[5] |= 0x80;
+					else
+						if(Channel_data[CH5] < CHANNEL_MIN_COMMAND)	// Beginner mode
+							packet[5] |= 0x40;
+					packet[6] = FLAG_DRAGON_RATE
+						| GET_FLAG( CH6_SW, FLAG_DRAGON_RTH );
+					//packet[6] |= 0x04;								// On the 1st rf channel, 1x4, 11x0, 2x4, 11x0, 2x4, 10x0, 2x4, 11x0, 2x4, 11x0, 2x4, 10x0, 2x4, 11x0, 2x4, 11x0 and restart... Not sure what's on the other channels
+					packet[7]  = 0x20;								// On the 1st rf channel, seq: 20 80 20 60 20 80 20 60... Not sure what's on the other channels
+					break;	
 			}
 			uint8_t result=crc8;
 			for(uint8_t i=0; i<8; i++)
@@ -186,7 +206,7 @@ static void __attribute__((unused)) MT99XX_send_packet()
 					seq_num = 0;
 				packet_count=0;
 			}
-			packet[4] = yz_p4_seq[seq_num]; 
+			packet[4] = yz_p4_seq[seq_num];
 			packet[5] = 0x02 // expert ? (0=unarmed, 1=normal)
 						| GET_FLAG(CH8_SW, 0x10)		//VIDEO
 						| GET_FLAG(CH5_SW, 0x80)		//FLIP
@@ -205,15 +225,23 @@ static void __attribute__((unused)) MT99XX_send_packet()
 	else
 		if(sub_protocol==FY805)
 			NRF24L01_WriteReg(NRF24L01_05_RF_CH, 0x4B); // FY805 always transmits on the same channel
-		else // MT99 & H7 & YZ & A180
+		else // MT99 & H7 & YZ & A180 & DRAGON
 			NRF24L01_WriteReg(NRF24L01_05_RF_CH, hopping_frequency[hopping_frequency_no]);
 
 	NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);
 	NRF24L01_FlushTx();
 	XN297_WritePayload(packet, MT99XX_PACKET_SIZE);
 
+	if(sub_protocol == DRAGON)
+	{
+		if(hopping_frequency_no == 6)
+			packet_period = 3 * MT99XX_PACKET_PERIOD_DRAGON;	// hole probably for the telemetry
+		else
+			packet_period = MT99XX_PACKET_PERIOD_DRAGON;
+	}
+
 	hopping_frequency_no++;
-	if(sub_protocol == YZ || sub_protocol == A180)
+	if(sub_protocol == YZ || sub_protocol == A180 || sub_protocol == DRAGON )
 		hopping_frequency_no++; // skip every other channel
 
 	if(hopping_frequency_no > 15)
@@ -272,7 +300,16 @@ static void __attribute__((unused)) MT99XX_initialize_txid()
 			//channel_offset  = 0x03;
 			break;
 	#endif
-		default: //MT99 & H7 & A180
+	#ifdef FORCE_DRAGON_ID
+		case DRAGON:
+			rx_tx_addr[0] = 0x6C;	// Laurie ID
+			rx_tx_addr[1] = 0x00;
+			rx_tx_addr[2] = 0x22;
+			//crc8 = 0x
+			//channel_offset  = 0x
+			break;
+	#endif
+		default: //MT99 & H7 & A180 & DRAGON
 			rx_tx_addr[2] = 0x00;
 			break;
 	}
@@ -317,7 +354,7 @@ uint16_t MT99XX_callback()
 
 void MT99XX_init(void)
 {
-	if(sub_protocol != A180)
+	if(sub_protocol != A180 && sub_protocol != DRAGON)
 		BIND_IN_PROGRESS;	// autobind protocol
     bind_counter = MT99XX_BIND_COUNT;
 

Multiprotocol/Multi.txt

@@ -14,7 +14,7 @@
 14,Bayang,Bayang,H8S3D,X16_AH,IRDRONE,DHD_D4,QX100
 15,FrskyX,CH_16,CH_8,EU_16,EU_8,Cloned,Clon_8
 16,ESky,Std,ET4
-17,MT99xx,MT,H7,YZ,LS,FY805,A180
+17,MT99xx,MT,H7,YZ,LS,FY805,A180,Dragon
 18,MJXq,WLH08,X600,X800,H26D,E010,H26WH,PHOENIX
 19,Shenqi
 20,FY326,FY326,FY319

Multiprotocol/Multi_Protos.ino

@@ -112,7 +112,7 @@ const char STR_SUBTYPE_SLT[] =        "\x06""V1_6ch""V2_8ch""Q100\0 ""Q200\0 ""M
 const char STR_SUBTYPE_CX10[] =       "\x07""Green\0 ""Blue\0  ""DM007\0 ""-\0     ""JC3015a""JC3015b""MK33041";
 const char STR_SUBTYPE_CG023[] =      "\x05""Std\0 ""YD829";
 const char STR_SUBTYPE_BAYANG[] =     "\x07""Std\0   ""H8S3D\0 ""X16 AH\0""IRDrone""DHD D4\0""QX100\0 ";
-const char STR_SUBTYPE_MT99[] =       "\x05""MT99\0""H7\0  ""YZ\0  ""LS\0  ""FY805""A180\0";
+const char STR_SUBTYPE_MT99[] =       "\x06""MT99\0 ""H7\0   ""YZ\0   ""LS\0   ""FY805\0""A180\0 ""Dragon";
 const char STR_SUBTYPE_MJXQ[] =       "\x07""WLH08\0 ""X600\0  ""X800\0  ""H26D\0  ""E010\0  ""H26WH\0 ""Phoenix";
 const char STR_SUBTYPE_FY326[] =      "\x05""Std\0 ""FY319";
 const char STR_SUBTYPE_HONTAI[] =     "\x07""Std\0   ""JJRC X1""X5C1\0  ""FQ_951";
@@ -329,7 +329,7 @@ const mm_protocol_definition multi_protocols[] = {
 		{PROTO_MLINK,      STR_MLINK,     NO_SUBTYPE,            0, OPTION_NONE,    1, 0, SW_CYRF,   MLINK_init,      MLINK_callback      },
 	#endif
 	#if defined(MT99XX_NRF24L01_INO)                             
-		{PROTO_MT99XX,     STR_MT99XX,    STR_SUBTYPE_MT99,      6, OPTION_NONE,    0, 0, SW_NRF,    MT99XX_init,     MT99XX_callback     },
+		{PROTO_MT99XX,     STR_MT99XX,    STR_SUBTYPE_MT99,      7, OPTION_NONE,    0, 0, SW_NRF,    MT99XX_init,     MT99XX_callback     },
 	#endif
 	#if defined(NCC1701_NRF24L01_INO)                            
 		{PROTO_NCC1701,    STR_NCC1701,   NO_SUBTYPE,            0, OPTION_NONE,    0, 0, SW_NRF,    NCC_init,        NCC_callback        },

Multiprotocol/Multiprotocol.h

@@ -19,7 +19,7 @@
 #define VERSION_MAJOR		1
 #define VERSION_MINOR		3
 #define VERSION_REVISION	2
-#define VERSION_PATCH_LEVEL	33
+#define VERSION_PATCH_LEVEL	34
 
 //******************
 // Protocols
@@ -220,6 +220,7 @@ enum MT99XX
 	LS		= 3,
 	FY805	= 4,
 	A180	= 5,
+	DRAGON	= 6,
 };
 enum MJXQ
 {

Multiprotocol/Multiprotocol.ino

@@ -1172,9 +1172,9 @@ static void protocol_init()
 						for(uint8_t j=0;j<len;j++)
 							debug("%c",multi_protocols[multi_protocols_index].SubProtoString[j+offset]);
 					}
-					debugln(", Opt=%d",multi_protocols[multi_protocols_index].optionType);
+					debug(", Opt=%d",multi_protocols[multi_protocols_index].optionType);
-					debugln(", FS=%d",multi_protocols[multi_protocols_index].failSafe);
+					debug(", FS=%d",multi_protocols[multi_protocols_index].failSafe);
-					debugln(", CHMap=%d",multi_protocols[multi_protocols_index].chMap);
+					debug(", CHMap=%d",multi_protocols[multi_protocols_index].chMap);
 					debugln(", rfSw=%d",multi_protocols[multi_protocols_index].rfSwitch);
 				#endif
 				break;

Multiprotocol/_Config.h

@@ -704,6 +704,8 @@ const PPM_Parameters PPM_prot[14*NBR_BANKS]=	{
 		YZ
 		LS
 		FY805
+		A180
+		DRAGON
 	PROTO_NCC1701
 		NONE
 	PROTO_OMP

Protocols_Details.md

@@ -1404,6 +1404,15 @@ CH1|CH2|CH3|CH4|CH5
 ---|---|---|---|---
 A|E|T|R|3D6G
 
+### Sub_protocol DRAGON - *6*
+Model: Eachine Mini Wing Dragon
+
+CH1|CH2|CH3|CH4|CH5|CH6
+---|---|---|---|---|---
+A|E|T|R|MODE|RTH
+
+MODE: -100%=Beginner, 0%=Intermediate, +100%=Advanced
+
 ## NCC1701 - *44*
 Model: Air Hogs Star Trek USS Enterprise NCC-1701-A