CYRF6936: Findbestchannels flag addition

Multiprotocol/CYRF6936_SPI.ino

@@ -249,7 +249,7 @@ void CYRF_WriteDataPacket(const uint8_t dpbuffer[])
 }
 */
 //NOTE: This routine will reset the CRC Seed
-void CYRF_FindBestChannels(uint8_t *channels, uint8_t len, uint8_t minspace, uint8_t min, uint8_t max)
+void CYRF_FindBestChannels(uint8_t *channels, uint8_t len, uint8_t minspace, uint8_t min, uint8_t max, uint8_t forced)
 {
 	#define NUM_FREQ 80
 	#define FREQ_OFFSET 4
@@ -269,7 +269,12 @@ void CYRF_FindBestChannels(uint8_t *channels, uint8_t len, uint8_t minspace, uin
 	delayMilliseconds(1);
 	for(i = 0; i < NUM_FREQ; i++)
 	{
-		CYRF_ConfigRFChannel(protocol==PROTO_LOSI?i|1:i);
+		if(((i&1) && forced == FIND_CHANNEL_EVEN) || (!(i&1) && forced == FIND_CHANNEL_ODD))
+		{
+			rssi[i] = 0xFF;
+			continue;
+		}
+		CYRF_ConfigRFChannel(i);	//protocol==PROTO_LOSI?i|1:i);
 		delayMicroseconds(270);					//slow channel require 270usec for synthesizer to settle
         if( !(CYRF_ReadRegister(CYRF_05_RX_CTRL) & 0x80)) {
             CYRF_WriteRegister(CYRF_05_RX_CTRL, 0x80); //Prepare to receive

Multiprotocol/DSM_cyrf6936.ino

@@ -618,7 +618,7 @@ void DSM_init()
 	else if(sub_protocol != DSMR)
 	{ 
 		uint8_t tmpch[10];
-		CYRF_FindBestChannels(tmpch, 10, 5, 3, 75);
+		CYRF_FindBestChannels(tmpch, 10, 5, 3, 75, FIND_CHANNEL_ANY);
 		//
 		uint8_t idx = random(0xfefefefe) % 10;
 		hopping_frequency[0] = tmpch[idx];

Multiprotocol/Devo_cyrf6936.ino

@@ -365,7 +365,7 @@ static void __attribute__((unused)) DEVO_cyrf_init()
 
 static void __attribute__((unused)) DEVO_set_radio_channels()
 {
-	CYRF_FindBestChannels(hopping_frequency, 3, 4, 4, 80);
+	CYRF_FindBestChannels(hopping_frequency, 3, 4, 4, 80, FIND_CHANNEL_ANY);
 	hopping_frequency[3] = hopping_frequency[0];
 	hopping_frequency[4] = hopping_frequency[1];
 }

Multiprotocol/J6Pro_cyrf6936.ino

@@ -124,7 +124,7 @@ static void __attribute__((unused)) j6pro_set_radio_channels()
 {
     //FIXME: Query free channels
     //lowest channel is 0x08, upper channel is 0x4d?
-    CYRF_FindBestChannels(hopping_frequency, 3, 5, 8, 77);
+    CYRF_FindBestChannels(hopping_frequency, 3, 5, 8, 77, FIND_CHANNEL_ANY);
     hopping_frequency[3] = hopping_frequency[0];
 }
 

Multiprotocol/Kyosho3_cyrf6936.ino

@@ -17,7 +17,7 @@
 
 #include "iface_cyrf6936.h"
 
-#define KYOSHO3_FORCE_ID
+//#define KYOSHO3_FORCE_ID
 //#define KYOSHO3_DEBUG
 
 #define KYOSHO3_BIND_PACKET_SIZE	4
@@ -102,7 +102,8 @@ void KYOSHO3_init()
 	CYRF_WritePreamble(0x333304);
 
 	//Find a free even channel
-	CYRF_FindBestChannels(hopping_frequency,1,1,0x04,0x50);
+	CYRF_FindBestChannels(hopping_frequency,1,1,0x04,0x50, FIND_CHANNEL_EVEN);
+	hopping_frequency[0] = 0x04;
 
 	#ifdef KYOSHO3_FORCE_ID					// data taken from TX dump
 		rx_tx_addr[1]=0x01;
@@ -114,6 +115,7 @@ void KYOSHO3_init()
 		debugln("ID: %02X %02X %02X",rx_tx_addr[1],rx_tx_addr[2],rx_tx_addr[3]);
 		debugln("RF CH: %02X",hopping_frequency[0]);
 	#endif
+
 	CYRF_ConfigRFChannel(hopping_frequency[0]);
 	
 	bind_counter=1000;

Multiprotocol/Losi_cyrf6936.ino

@@ -169,8 +169,7 @@ void LOSI_init()
 {
 	LOSI_cyrf_init();
 
-	CYRF_FindBestChannels(hopping_frequency, 1, 0, 0x07, 0x4F);	// 0x07 and 0x4F are unknown limits, this routine resets the CRC Seed to 0
+	CYRF_FindBestChannels(hopping_frequency, 1, 0, 0x07, 0x4F, FIND_CHANNEL_ODD);	// 0x07 and 0x4F are unknown limits, this routine resets the CRC Seed to 0
-	hopping_frequency[0] |= 1;									// Only odd channels are used, integrated in CYRF code...
 
 	crc8 = 0;
 	crc8 = (uint16_t)LOSI_check(((rx_tx_addr[2]&0x0F) << 8) + rx_tx_addr[3]) >> 12;

Multiprotocol/Multiprotocol.h

@@ -19,7 +19,7 @@
 #define VERSION_MAJOR		1
 #define VERSION_MINOR		3
 #define VERSION_REVISION	4
-#define VERSION_PATCH_LEVEL	4
+#define VERSION_PATCH_LEVEL	5
 
 #define MODE_SERIAL 0
 

Multiprotocol/TRAXXAS_cyrf6936.ino

@@ -241,7 +241,7 @@ void TRAXXAS_init()
 	//Read CYRF ID
 	CYRF_GetMfgData(cyrfmfg_id);
 	//cyrfmfg_id[0]+=RX_num;				// Not needed since the TX and RX have to match
-	CYRF_FindBestChannels(hopping_frequency,1,1,0x02,0x21);
+	CYRF_FindBestChannels(hopping_frequency,1,1,0x02,0x21, FIND_CHANNEL_ANY);
 	#ifdef TRAXXAS_FORCE_ID					// data taken from TX dump
 		cyrfmfg_id[0]=0x65;					// CYRF MFG ID
 		cyrfmfg_id[1]=0xE2;

Multiprotocol/WK2x01_cyrf6936.ino

@@ -487,7 +487,7 @@ void WK_init()
 	CYRF_SetTxRxMode(TX_EN);
 
 	hopping_frequency_no=0;
-	CYRF_FindBestChannels(hopping_frequency, 3, 4, 4, 80);
+	CYRF_FindBestChannels(hopping_frequency, 3, 4, 4, 80, FIND_CHANNEL_ANY);
 	CYRF_ConfigRFChannel(hopping_frequency[0]);
 
 	packet_count = 0;

Multiprotocol/iface_cyrf6936.h

@@ -71,7 +71,11 @@ enum CYRF_PWR {
     CYRF_PWR_DEFAULT,
 };
 
-
+enum FIND_CHANNEL {
+	FIND_CHANNEL_ANY  = 0,
+	FIND_CHANNEL_EVEN = 1,
+	FIND_CHANNEL_ODD  = 2,
+};
 
 /* SPI CYRF6936 */
 /*