New protocol KF606

Model: KF606
Protocol: 49
No sub protocol
Channels: throttle, aileron and trim on ch5

Multiprotocol/KF606_nrf24l01.ino

@@ -0,0 +1,116 @@
+/*
+ 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/>.
+ */
+// Compatible with KF606 plane.
+
+#if defined(KF606_NRF24L01_INO)
+
+#include "iface_nrf24l01.h"
+
+//#define FORCE_KF606_ORIGINAL_ID
+
+#define KF606_INITIAL_WAIT    500
+#define KF606_PACKET_PERIOD   3000
+#define KF606_RF_BIND_CHANNEL 7
+#define KF606_PAYLOAD_SIZE    4
+#define KF606_BIND_COUNT	  857	//3sec
+
+static void __attribute__((unused)) KF606_send_packet()
+{
+	if(IS_BIND_IN_PROGRESS)
+	{
+		packet[0] = 0xAA;
+		memcpy(&packet[1],rx_tx_addr,3);
+	}
+	else
+	{
+		packet[0]= 0x55;
+		packet[1]= convert_channel_8b(THROTTLE);					// 0..255
+		packet[2]= convert_channel_16b_limit(AILERON,0x20,0xE0);	// Low:50..80..AF High:3E..80..C1 
+		packet[3]= convert_channel_16b_limit(CH5,0xC1,0xDF);		// Trim on a separated channel C1..D0..DF
+	}
+	// Power on, TX mode, CRC enabled
+	XN297_Configure(_BV(NRF24L01_00_EN_CRC) | _BV(NRF24L01_00_CRCO) | _BV(NRF24L01_00_PWR_UP));
+	if(IS_BIND_DONE)
+	{
+		NRF24L01_WriteReg(NRF24L01_05_RF_CH, hopping_frequency[hopping_frequency_no]);
+		hopping_frequency_no ^= 1;			// 2 RF channels
+	}
+
+	NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);
+	NRF24L01_FlushTx();
+	XN297_WritePayload(packet, KF606_PAYLOAD_SIZE);
+
+	NRF24L01_SetPower();	// Set tx_power
+}
+
+static void __attribute__((unused)) KF606_init()
+{
+	NRF24L01_Initialize();
+	NRF24L01_SetTxRxMode(TX_EN);
+	XN297_SetTXAddr((uint8_t*)"\xe7\xe7\xe7\xe7\xe7", 5);
+	NRF24L01_WriteReg(NRF24L01_05_RF_CH, KF606_RF_BIND_CHANNEL);	// Bind channel
+	NRF24L01_FlushTx();
+	NRF24L01_FlushRx();
+	NRF24L01_WriteReg(NRF24L01_07_STATUS, 0x70);	// Clear data ready, data sent, and retransmit
+	NRF24L01_WriteReg(NRF24L01_01_EN_AA, 0x00);		// No Auto Acknowldgement on all data pipes
+	NRF24L01_WriteReg(NRF24L01_02_EN_RXADDR, 0x01);	// Enable data pipe 0 only
+	NRF24L01_SetBitrate(NRF24L01_BR_250K);			// 250Kbps
+	NRF24L01_SetPower();
+}
+
+static void __attribute__((unused)) KF606_initialize_txid()
+{
+	rx_tx_addr[0]=rx_tx_addr[3];	// Use RX_num;
+	hopping_frequency[0]=(rx_tx_addr[0]&0x3F)+9;
+	hopping_frequency[1]=hopping_frequency[0]+3;
+	#ifdef FORCE_KF606_ORIGINAL_ID
+		//TX1
+		rx_tx_addr[0]=0x57;
+		rx_tx_addr[1]=0x02;
+		rx_tx_addr[2]=0x00;
+		hopping_frequency[0]=0x20;
+		hopping_frequency[0]=0x23;
+		//TX2
+		rx_tx_addr[0]=0x25;
+		rx_tx_addr[1]=0x04;
+		rx_tx_addr[2]=0x00;
+		hopping_frequency[0]=0x2E;
+		hopping_frequency[0]=0x31;
+	#endif
+}
+
+uint16_t KF606_callback()
+{
+	if(IS_BIND_IN_PROGRESS)
+		if(--bind_counter==0)
+		{
+			BIND_DONE;
+			XN297_SetTXAddr(rx_tx_addr, 3);
+		}
+	KF606_send_packet();
+	return KF606_PACKET_PERIOD;
+}
+
+uint16_t initKF606()
+{
+	BIND_IN_PROGRESS;	// autobind protocol
+	KF606_initialize_txid();
+	KF606_init();
+	hopping_frequency_no = 0;
+	bind_counter=KF606_BIND_COUNT;
+	return KF606_INITIAL_WAIT;
+}
+
+#endif