Update Protocols_Details.md

Multiprotocol/RadioLink_cc2500.ino

@@ -232,7 +232,7 @@ static void __attribute__((unused)) RLINK_send_packet()
 			packet[1] |= 0x21;					//air 0x21 on dump but it looks to support telemetry at least RSSI
 			break;
 		case RLINK_DUMBORC:
-			packet[1] |= 0x01;					//always 0x00 on dump but does appear to support telemtry on newer transmitters
+			packet[1]  = 0x00;					//always 0x00 on dump
 			break;
 	}
 	
@@ -384,9 +384,8 @@ uint16_t RLINK_callback()
 					debug("Telem:");
 				#endif
 				CC2500_ReadData(packet_in, len);
-				if(packet_in[0]==RLINK_RX_PACKET_LEN && (packet_in[len-1] & 0x80) && memcmp(&packet[2],rx_tx_addr,RLINK_TX_ID_LEN)==0 && (packet_in[6]==packet[1] || sub_protocol == RLINK_DUMBORC))
+				if(packet_in[0]==RLINK_RX_PACKET_LEN && (packet_in[len-1] & 0x80) && memcmp(&packet[2],rx_tx_addr,RLINK_TX_ID_LEN)==0 && packet_in[6]==packet[1])
 				{//Correct telemetry received: length, CRC, ID and type
-				 //packet_in[6] is 0x00 on almost all DumboRC RX so assume it is always valid
 					#ifdef RLINK_DEBUG_TELEM
 						for(uint8_t i=0;i<len;i++)
 							debug(" %02X",packet_in[i]);

Multiprotocol/SGF22_nrf24l01.ino

@@ -169,7 +169,6 @@ uint16_t SGF22_callback()
 {
 	#ifdef SGF22_HUB_TELEMETRY
 		bool rx = false;
-		static uint8_t telem_count = 0;
 	#endif
 
 	switch(phase)
@@ -196,8 +195,6 @@ uint16_t SGF22_callback()
 				{//packets: 00 0B 00 -> 00 0B 01
 					telemetry_link = 1;
 					v_lipo1 = packet_in[2] ? 0 : 255;	//2.9V for 1S, 7.0V for 2S
-					telemetry_lost = 0;
-					telem_count = 0;
 				}
 				#if 0
 					debug("L %d ",p_len);
@@ -207,20 +204,6 @@ uint16_t SGF22_callback()
 					debugln("");
 				#endif
 			}
-			if(telem_count > 4*63)				// Around 3.5sec with no telemetry
-				telemetry_lost = 1;
-			else
-			{
-				telem_count++;
-				if(!telemetry_lost && (telem_count & 0x3F) == 0)
-				{// Should have received a telem packet but... Send telem to the radio to keep it alive
-					telemetry_link = 1;
-					#if 0
-						debugln("Miss");
-					#endif
-				}
-			}
-
 	#endif
 			phase++;
 			break;
@@ -262,7 +245,6 @@ void SGF22_init()
 	phase = SGF22_DATA1;
 	#ifdef SGF22_HUB_TELEMETRY
 		RX_RSSI = 100;		// Dummy value
-		telemetry_lost = 1;
 	#endif
 }
 

Multiprotocol/V761_nrf24l01.ino

@@ -244,7 +244,7 @@ uint16_t V761_callback()
 			else
 			{
 				packet_count++;
-				if(!telemetry_lost && !rx && (packet_count & 0x3F) == 0)
+				if(!telemetry_lost && !rx && (packet_count%64) == 0)
 				{// Should have received a telem packet but... Send telem to the radio to keep it alive
 					telemetry_link = 1;
 					#ifdef V761_TELEM_DEBUG