SHENQI2 new protocol

Lua_scripts/MultiChan.txt

@@ -232,3 +232,4 @@
 102,1,JIABAILE,Gyro,0,Speed,Light,Flash,ST_Tr
 103,0,H36,Std,1,Flip,HLess,RTH
 104,0,KAMTOM,Std,0,ST_Tr,TH_Tr,TH_DR
+105,0,Shenqi2,Std,1

Multiprotocol/Multi.txt

@@ -99,4 +99,5 @@
 100,YuXiang
 102,JIABAILE,STD,GYRO
 103,H36
-104,KAMTOM
+104,KAMTOM
+105,Shenqi2

Multiprotocol/Multi_Protos.ino

@@ -36,6 +36,7 @@ const char STR_MT99XX[]		="MT99XX";
 const char STR_MT99XX2[]	="MT99XX2";
 const char STR_MJXQ[]		="MJXq";
 const char STR_SHENQI[]		="Shenqi";
+const char STR_SHENQI2[]	="Shenqi2";
 const char STR_FY326[]		="FY326";
 const char STR_FUTABA[]		="Futaba";
 const char STR_J6PRO[]		="J6 Pro";
@@ -476,6 +477,9 @@ const mm_protocol_definition multi_protocols[] = {
 	#if defined(SHENQI_NRF24L01_INO)
 		{PROTO_SHENQI,     STR_SHENQI,    NO_SUBTYPE,            0, OPTION_NONE,    0, 0, SW_NRF,    SHENQI_init,     SHENQI_callback     },
 	#endif
+	#if defined(SHENQI2_NRF24L01_INO)
+		{PROTO_SHENQI2,    STR_SHENQI2,   NO_SUBTYPE,            0, OPTION_NONE,    0, 0, SW_NRF,    SHENQI2_init,     SHENQI2_callback   },
+	#endif
 	#if defined(SKYARTEC_CC2500_INO)
 		{PROTO_SKYARTEC,   STR_SKYARTEC,  NO_SUBTYPE,            0, OPTION_RFTUNE,  0, 1, SW_CC2500, SKYARTEC_init,   SKYARTEC_callback   },
 	#endif

Multiprotocol/Multiprotocol.h

@@ -19,7 +19,7 @@
 #define VERSION_MAJOR		1
 #define VERSION_MINOR		3
 #define VERSION_REVISION	4
-#define VERSION_PATCH_LEVEL	34
+#define VERSION_PATCH_LEVEL	35
 
 #define MODE_SERIAL 0
 
@@ -132,6 +132,7 @@ enum PROTOCOLS
 	PROTO_JIABAILE	= 102,	// =>NRF24L01
 	PROTO_H36		= 103,	// =>NRF24L01
 	PROTO_KAMTOM	= 104,	// =>NRF24L01
+	PROTO_SHENQI2	= 105,	// =>NRF24L01
 	
 	PROTO_NANORF	= 126,	// =>NRF24L01
 	PROTO_TEST		= 127,	// =>CC2500

Multiprotocol/SHENQI2_nrf24l01.ino

@@ -0,0 +1,232 @@
+/*
+ This project is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+Multiprotocol is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Multiprotocol.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#if defined(SHENQI2_NRF24L01_INO)
+
+#include "iface_xn297.h"
+
+//#define FORCE_SHENQI2_ORIGINAL_ID
+
+#define SHENQI2_PAYLOAD_SIZE		8
+#define SHENQI2_RF_NUM_CHANNELS		16
+#define SHENQI2_BIND_COUNT			2000
+#define SHENQI2_WRITE_TIME			650
+#define SHENQI2_BIND_CHANNEL		44
+#define SHENQI2_PACKET_PERIOD		8210
+
+
+enum {
+	SHENQI2_BIND = 0,
+	SHENQI2_BIND_RX,
+	SHENQI2_DATA,
+};
+
+static void __attribute__((unused)) SHENQI2_send_packet()
+{
+	if(bind_counter)
+	{
+		bind_counter--;
+		if(!bind_counter)
+			BIND_DONE;
+	}
+
+	memset(packet, 0x00, SHENQI2_PAYLOAD_SIZE);
+
+	packet_count &= 0x0F;
+	packet[0] = packet_count;
+	
+	memcpy(&packet[1],rx_tx_addr,5);
+
+	if(IS_BIND_DONE)
+	{//Normal
+		uint8_t val = convert_channel_8b(CH2);
+		if(val < 0x70)
+			val = 0x30;
+		else if(val < 0x80)
+			val = 0x00;
+		else
+		{
+			val &= 0x7F;
+			val >>= 2;
+		}
+		if(Channel_data[CH1] > 1024+50)
+			val |= 0x40;
+		else if(Channel_data[CH1] < 1024-50)
+			val |= 0x80;
+		packet[6] = val;
+		//packet[7] = 0x00;		// ??
+	}
+	else
+		packet[0] |= 0x30;
+
+	// Send
+	XN297_SetPower();
+	XN297_SetTxRxMode(TX_EN);
+	XN297_WriteEnhancedPayload(packet, SHENQI2_PAYLOAD_SIZE, false);
+	#ifdef DEBUG_SERIAL
+		for(uint8_t i=0; i < SHENQI2_PAYLOAD_SIZE; i++)
+			debug("%02X ", packet[i]);
+		debugln();
+	#endif
+}
+
+static void __attribute__((unused)) SHENQI2_initialize_txid()
+{
+	#ifdef FORCE_SHENQI2_ORIGINAL_ID
+		//TXID
+		rx_tx_addr[0] = 0x51;
+		rx_tx_addr[1] = 0x70;
+		rx_tx_addr[2] = 0x02;
+		//RXID
+		rx_tx_addr[3] = 0x46;
+		rx_tx_addr[4] = 0xBE;
+	#endif
+	rx_tx_addr[3] = 0x00;
+	rx_tx_addr[4] = 0x00;
+	//Freq
+	memcpy(hopping_frequency,(uint8_t*)"\x05\x09\x0E\x0F\x17\x1C\x21\x27\x2A\x2C\x33\x39\x3D\x42\x48\x4C",16);
+}
+
+static void __attribute__((unused)) SHENQI2_RF_init()
+{
+	XN297_Configure(XN297_CRCEN, XN297_SCRAMBLED, XN297_1M);
+	//Address
+	XN297_SetTXAddr((uint8_t*)"\x74\xD1\x3A\xF5\x6C", 5);
+	XN297_SetRXAddr((uint8_t*)"\x74\xD1\x3A\xF5\x6C", SHENQI2_PAYLOAD_SIZE);
+	XN297_RFChannel(SHENQI2_BIND_CHANNEL);
+}
+
+uint16_t SHENQI2_callback()
+{
+	static bool rx=false;
+	
+	switch(phase)
+	{
+		case SHENQI2_BIND:
+			rx = XN297_IsRX();
+			XN297_SetTxRxMode(TXRX_OFF);
+			SHENQI2_send_packet();
+			packet_count++;
+			if(rx)
+			{
+				uint8_t val=XN297_ReadEnhancedPayload(packet_in, SHENQI2_PAYLOAD_SIZE);
+				if(val == SHENQI2_PAYLOAD_SIZE)
+				{
+					if(memcmp(rx_tx_addr, packet_in, 3) == 0)
+					{//Good packet with our TXID
+						BIND_DONE;
+						rx_tx_addr[3] = packet_in[3];
+						rx_tx_addr[4] = packet_in[4];
+						packet_count = 0;
+						phase = SHENQI2_DATA;
+					}
+					#ifdef DEBUG_SERIAL
+						for(uint8_t i=0; i < SHENQI2_PAYLOAD_SIZE; i++)
+							debug(" %02X", packet_in[i]);
+						debugln();
+					#endif
+				}
+			}
+			phase++;
+			return SHENQI2_WRITE_TIME;
+		case SHENQI2_BIND_RX:
+			XN297_SetTxRxMode(TXRX_OFF);
+			XN297_SetTxRxMode(RX_EN);
+			phase = SHENQI2_BIND;
+			return SHENQI2_PACKET_PERIOD - SHENQI2_WRITE_TIME;
+		default: //SHENQI2_DATA
+			//Since I don't know the order of the channels, I'm hopping on all the channels quickly
+			//Refresh rate from the motorcycle perspective is 32ms instead of 8ms...
+			XN297_Hopping(hopping_frequency_no);
+			hopping_frequency_no++;
+			hopping_frequency_no &= 0x0F;
+			SHENQI2_send_packet();
+			if(hopping_frequency_no%4 == 0)
+				packet_count++;
+			return SHENQI2_PACKET_PERIOD/4;
+	}
+	return 0;
+}
+
+void SHENQI2_init()
+{
+	BIND_IN_PROGRESS;
+	SHENQI2_initialize_txid();
+	SHENQI2_RF_init();
+
+	bind_counter = SHENQI2_BIND_COUNT;
+	phase = SHENQI2_BIND;
+	hopping_frequency_no = 0;
+}
+
+#endif
+/*
+XN297 1Mb Enhanced,Acked,Scrambled
+
+Bind
+---
+RX on channel: 44, Time:  2890us P: 34 51 70 02 00 00 00 00
+RX on channel: 44, Time:  1780us P: 34 51 70 02 00 00 00 00
+RX on channel: 44, Time:  1773us P: 34 51 70 02 00 00 00 00
+RX on channel: 44, Time:  1772us P: 34 51 70 02 00 00 00 00
+RX on channel: 44, Time:  2889us P: 35 51 70 02 00 00 00 00
+RX on channel: 44, Time:  1769us P: 35 51 70 02 00 00 00 00
+RX on channel: 44, Time:  1774us P: 35 51 70 02 00 00 00 00
+RX on channel: 44, Time:  1771us P: 35 51 70 02 00 00 00 00
+RX on channel: 44, Time:  2894us P: 36 51 70 02 00 00 00 00
+
+A= 74 D1 3A F5 6C
+RF:44
+Timing: 1772µs between the same 4 packets, 2892µs to the next packet, 8208µs between 2 packets
+Request ack, if no ack repeat the packet 4 times
+
+P[0] = counter 00..0F | 30 bind
+P[1] = TXID[0]
+P[2] = TXID[1]
+P[3] = TXID[2]
+P[4] = RXID[0]
+P[5] = RXID[1]
+P[6] = TH 00..1F, Break 30, 40 ST_right, 80 ST_left
+P[7] = 00?
+
+Answer from motorcycle:
+P: 51 70 02 46 BE 00 00 00
+P[0] = TXID[0]
+P[1] = TXID[1]
+P[2] = TXID[2]
+P[3] = RXID[0]
+P[4] = RXID[1]
+P[5] = 00
+P[6] = 00
+P[7] = 00
+
+Normal packets
+---
+A= 74 D1 3A F5 6C
+RF:5,9,14,15,23,28,33,39,42,44,51,57,61,66,72,76
+RF:\x05\x09\x0E\x0F\x17\x1C\x21\x27\x2A\x2C\x33\x39\x3D\x42\x48\x4C
+- order of the channels is unknown and vary over time
+- send 16 times on each channel and switch (counter 00..0F)
+Timing:1772µs between the same 4 packets, 2892µs to the next packet, 8208µs between 2 packets
+Timing:8208 between packets if acked
+P: 00 51 70 02 46 BE 00 00
+P[0] = counter 00..0F
+P[1] = TXID[0]
+P[2] = TXID[1]
+P[3] = TXID[2]
+P[4] = RXID[0]
+P[5] = RXID[1]
+P[6] = TH 00..1F, Break 30, 40 ST_right, 80 ST_left
+P[7] = 00?
+*/

Multiprotocol/Validate.h

@@ -337,6 +337,7 @@
 	#undef	REALACC_NRF24L01_INO
 	#undef	SGF22_NRF24L01_INO
 	#undef	SHENQI_NRF24L01_INO
+	#undef	SHENQI2_NRF24L01_INO
 	#undef	SYMAX_NRF24L01_INO
 	#undef	V2X2_NRF24L01_INO
 	#undef	V761_NRF24L01_INO
@@ -392,6 +393,7 @@
 	#undef	KYOSHO3_CYRF6936_INO
 	#undef	MOULDKG_NRF24L01_INO
 	#undef	SHENQI_NRF24L01_INO
+	#undef	SHENQI2_NRF24L01_INO
 	#undef	JIABAILE_NRF24L01_INO
 	#undef	UDIRC_CCNRF_INO
 	#undef	KAMTOM_NRF24L01_INO

Multiprotocol/_Config.h

@@ -257,6 +257,7 @@
 #define	REALACC_NRF24L01_INO
 #define	SGF22_NRF24L01_INO
 #define	SHENQI_NRF24L01_INO
+#define	SHENQI2_NRF24L01_INO
 #define	SYMAX_NRF24L01_INO
 #define	V2X2_NRF24L01_INO
 #define	V761_NRF24L01_INO
@@ -835,6 +836,8 @@ const PPM_Parameters PPM_prot[14*NBR_BANKS]=	{
   		J20
 	PROTO_SHENQI
 		NONE
+	PROTO_SHENQI2
+		NONE
 	PROTO_SKYARTEC
 		NONE
 	PROTO_SLT

Protocols_Details.md

@@ -144,6 +144,7 @@ CFlie|38|CFlie||||||||NRF24L01|
 [Scorpio](Protocols_Details.md#Scorpio---94)|94|||||||||CYRF6936|
 [SGF22](Protocols_Details.md#SGF22---97)|97|F22|F22S|J20||||||NRF24L01|XN297
 [Shenqi](Protocols_Details.md#Shenqi---19)|19|Shenqi||||||||NRF24L01|LT8900
+[Shenqi2](Protocols_Details.md#Shenqi2---105)|105|Shenqi2||||||||NRF24L01|XN297
 [Skyartec](Protocols_Details.md#Skyartec---68)|68|||||||||CC2500|CC2500
 [SLT](Protocols_Details.md#SLT---11)|11|SLT_V1|SLT_V2|Q100|Q200|MR100|V1_4CH|RF_SIM||NRF24L01|CC2500
 [SymaX](Protocols_Details.md#Symax---10)|10|SYMAX|SYMAX5C|||||||NRF24L01|
@@ -2161,6 +2162,15 @@ CH1|CH2|CH3|CH4
 
 Throttle +100%=full forward,0%=stop,-100%=full backward.
 
+## Shenqi2 - *105*
+Autobind protocol
+
+Model: Shenqiwei 1/20 Mini Motorcycle
+
+CH1|CH2
+---|---
+ST|TH
+
 ## Symax - *10*
 Autobind protocol