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Preliminary support for new CX-10 #1122

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5289eff
preliminary support for new CX-10
hexwell Jul 26, 2025
397627a
use preproc if instead of lang if, use id bytes 2 and 3 instead of 0 …
hexwell Jul 27, 2025
d004eb0
preliminary impl of CX-10 proto as sub of SGF22
hexwell Jul 27, 2025
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100 changes: 95 additions & 5 deletions Multiprotocol/CX10_nrf24l01.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,11 @@
#define CX10_PACKET_PERIOD 1316 // Timeout for callback in uSec
#define CX10A_PACKET_PERIOD 6000

#define CX10N_PACKET_SIZE 12
#define CX10N_BIND_COUNT 100
#define CX10N_PACKET_PERIOD 4000
#define CX10N_RF_BIND_CHANNEL 48

#define CX10_INITIAL_WAIT 500

// flags
Expand All @@ -51,18 +56,39 @@ static void __attribute__((unused)) CX10_Write_Packet()
uint8_t offset = 0;
if(sub_protocol == CX10_BLUE)
offset = 4;

#if 0

packet[0] = IS_BIND_IN_PROGRESS ? 0xAA : 0x55;
packet[1] = rx_tx_addr[0];
packet[2] = rx_tx_addr[1];
packet[3] = rx_tx_addr[2];
packet[4] = rx_tx_addr[3];

#endif

packet[0] = IS_BIND_IN_PROGRESS ? 0xC5 : 0x85;
packet[1] = IS_BIND_IN_PROGRESS ? 0x11 : packet_count++;
packet[2] = rx_tx_addr[2];
packet[3] = rx_tx_addr[3];

#if 0

// packet[5] to [8] (aircraft id) is filled during bind for blue board
uint16_t aileron= convert_channel_16b_limit(AILERON ,1000,2000);
uint16_t elevator=convert_channel_16b_limit(ELEVATOR,2000,1000);
uint16_t throttle=convert_channel_16b_limit(THROTTLE,1000,2000);
uint16_t rudder= convert_channel_16b_limit(RUDDER ,2000,1000);

#endif

uint8_t aileron = convert_channel_8b(AILERON);
uint8_t elevator = convert_channel_8b(ELEVATOR);
uint8_t throttle = convert_channel_8b(THROTTLE);
uint8_t rudder = convert_channel_8b(RUDDER);

// Channel 5 - flip flag
packet[12+offset] = GET_FLAG(CH5_SW,CX10_FLAG_FLIP); // flip flag applied on rudder
// packet[12+offset] = GET_FLAG(CH5_SW,CX10_FLAG_FLIP); // flip flag applied on rudder

// Channel 6 - rate mode is 2 lsb of packet 13
if(CH6_SW) // rate 3 / headless on CX-10A
Expand All @@ -72,6 +98,10 @@ static void __attribute__((unused)) CX10_Write_Packet()
flags = 0x00; // rate 1
else
flags = 0x01; // rate 2


#if 0

uint8_t flags2=0; // packet 14

uint8_t video_state=packet[14] & 0x21;
Expand Down Expand Up @@ -150,7 +180,29 @@ static void __attribute__((unused)) CX10_Write_Packet()
packet[12+offset]|= highByte(rudder);
packet[13+offset]=flags;
packet[14+offset]=flags2;


#endif

packet[4] = throttle;
packet[5] = rudder;
packet[6] = elevator;
packet[7] = aileron;

if(IS_BIND_DONE) {
packet[8] = !CH5_SW ? 0x04 + flags : 0x0C;

// TODO horizontal and vertical adjustments
packet[10] = 0x42;
packet[11] = 0x10;

} else {

packet[8] = 0x00;

packet[10] = 0xAA;
packet[11] = 0x55;
}

// Send
if(IS_BIND_DONE)
{
Expand All @@ -165,9 +217,11 @@ static void __attribute__((unused)) CX10_Write_Packet()
static void __attribute__((unused)) CX10_RF_init()
{
XN297_Configure(XN297_CRCEN, XN297_SCRAMBLED, XN297_1M);
XN297_SetTXAddr((uint8_t *)"\xcc\xcc\xcc\xcc\xcc", 5);
// XN297_SetTXAddr((uint8_t *)"\xcc\xcc\xcc\xcc\xcc", 5);
XN297_SetTXAddr((uint8_t *)"\xC7\x95\x3C\xBB\xA5", 5);
XN297_SetRXAddr((uint8_t *)"\xcc\xcc\xcc\xcc\xcc", packet_length);
XN297_RFChannel(CX10_RF_BIND_CHANNEL);
// XN297_RFChannel(CX10_RF_BIND_CHANNEL);
XN297_RFChannel(CX10N_RF_BIND_CHANNEL);
}

uint16_t CX10_callback()
Expand Down Expand Up @@ -234,17 +288,42 @@ static void __attribute__((unused)) CX10_initialize_txid()
}
else
{

#if 0

hopping_frequency[0] = 0x03 + (rx_tx_addr[0] & 0x0F);
hopping_frequency[1] = 0x16 + (rx_tx_addr[0] >> 4);
hopping_frequency[2] = 0x2D + (rx_tx_addr[1] & 0x0F);
hopping_frequency[3] = 0x40 + (rx_tx_addr[1] >> 4);

#endif

rx_tx_addr[2] = 0x4C;
rx_tx_addr[3] = 0xD7;

hopping_frequency[0] = 55;
hopping_frequency[1] = 66;
hopping_frequency[2] = 71;
hopping_frequency[3] = 60;

/*
rx_tx_addr[2] = 0x50;
rx_tx_addr[3] = 0xE1;

hopping_frequency[0] = 59;
hopping_frequency[1] = 75;
hopping_frequency[2] = 70;
hopping_frequency[3] = 65;
*/
}
}

void CX10_init(void)
{
BIND_IN_PROGRESS; // autobind protocol


#if 0

if(protocol == PROTO_Q2X2)
sub_protocol|=0x08; // Increase the number of sub_protocols for CX-10

Expand All @@ -269,6 +348,17 @@ void CX10_init(void)
phase = CX10_BIND1;
bind_counter = CX10_BIND_COUNT;
}

#endif

packet_length = CX10N_PACKET_SIZE;
packet_period = CX10N_PACKET_PERIOD;
packet_count = 0;
phase = CX10_BIND1;
bind_counter = CX10N_BIND_COUNT;

packet[9] = 0x00;

CX10_initialize_txid();
CX10_RF_init();
}
Expand Down
38 changes: 33 additions & 5 deletions Multiprotocol/SGF22_nrf24l01.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ Multiprotocol is distributed in the hope that it will be useful,
#define SGF22_RF_NUM_CHANNELS 4
#define SGF22_F22S_BIND_RF_CHANNEL 10
#define SGF22_J20_BIND_RF_CHANNEL 28
#define CX10_BIND_RF_CHANNEL 48

//packet[8]
#define SGF22_FLAG_3D 0x00
Expand Down Expand Up @@ -61,7 +62,9 @@ static void __attribute__((unused)) SGF22_send_packet()
{
if(IS_BIND_IN_PROGRESS)
{
packet[ 0] = 0x5B;
// packet[ 0] = 0x5B;
packet[ 0] = 0xC5;
packet[ 1] = 0x11;
packet[ 8] = 0x00; // ??? do they have to be 0 for bind to succeed ?
packet[ 9] = 0x00; // ??? do they have to be 0 for bind to succeed ?
packet[10] = 0xAA;
Expand All @@ -78,7 +81,9 @@ static void __attribute__((unused)) SGF22_send_packet()
if(packet_sent > 0x7B)
packet_sent = 0;
//packet
packet[0] = 0x1B;
// packet[0] = 0x1B;
packet[0] = 0x85;
packet[1] = packet_count; // sequence
packet[8] = SGF22_FLAG_3D // CH5 -100%, F22 & F22S - 3D mode, J20 - Gyro off
| GET_FLAG(CH6_SW, SGF22_FLAG_ROLL) // roll
| GET_FLAG(CH7_SW, SGF22_FLAG_LIGHT) // push up throttle trim for light in the stock TX
Expand All @@ -89,6 +94,17 @@ static void __attribute__((unused)) SGF22_send_packet()
packet[8] |= SGF22_FLAG_VERTICAL; // CH5 100%, vertical mode (torque)
else if(Channel_data[CH5] > CHANNEL_MIN_COMMAND )
packet[8] |= ( sub_protocol == SGF22_J20 ? SGF22_J20_FLAG_HORIZONTAL : SGF22_FLAG_6G ); // CH5 0%, F22 & F22S - 6G mode, J20 - Horizontal mode

// Channel 6 - packet 8 is rate mode or flip mode
if(CH6_SW) // rate 3
flags = 0x02;
else
if(Channel_data[CH6] < CHANNEL_MIN_COMMAND)
flags = 0x00; // rate 1
else
flags = 0x01;
packet[8] = !CH5_SW ? 0x04 + flags : 0x0C;

packet[9] = GET_FLAG(CH8_SW, SGF22_FLAG_PHOTO) // F22: photo, press in throttle trim in the stock TX, J20: invert flight
| GET_FLAG(CH10_SW, ( sub_protocol == SGF22_J20 ? SGF22_J20_FLAG_FIXHEIGHT : SGF22_FLAG_TRIMRESET )) ; // F22: Both sticks down inwards in the stock TX, J20: Altitude hold
packet[10] = 0x42; // no fine tune
Expand All @@ -98,7 +114,7 @@ static void __attribute__((unused)) SGF22_send_packet()
packet[0] += 6;
else if (sub_protocol == SGF22_J20)
packet[0] += 3;
packet[1] = packet_count; // sequence
// packet[1] = packet_count; // sequence
packet[2] = rx_tx_addr[2];
packet[3] = rx_tx_addr[3];
packet[4] = convert_channel_8b(THROTTLE);
Expand All @@ -108,7 +124,8 @@ static void __attribute__((unused)) SGF22_send_packet()

XN297_SetPower();
XN297_SetTxRxMode(TX_EN);
XN297_WriteEnhancedPayload(packet, SGF22_PAYLOAD_SIZE,0);
// XN297_WriteEnhancedPayload(packet, SGF22_PAYLOAD_SIZE,0);
XN297_WritePayload(packet, SGF22_PAYLOAD_SIZE);
#if 0
debug_time("");
for(uint8_t i=0; i<SGF22_PAYLOAD_SIZE; i++)
Expand Down Expand Up @@ -151,6 +168,16 @@ static void __attribute__((unused)) SGF22_initialize_txid()
debug(" %02X",hopping_frequency[i]);
debugln("");
#endif

rx_tx_addr[2] = 0x4C;
rx_tx_addr[3] = 0xD7;
memcpy(hopping_frequency, "\x37\x42\x47\x3c", SGF22_RF_NUM_CHANNELS);

/*
rx_tx_addr[2] = 0x50;
rx_tx_addr[3] = 0xE1;
memcpy(hopping_frequency, "\x3b\x4b\x46\x41", SGF22_RF_NUM_CHANNELS);
*/
}

static void __attribute__((unused)) SGF22_RF_init()
Expand All @@ -161,7 +188,8 @@ static void __attribute__((unused)) SGF22_RF_init()
XN297_SetRXAddr((uint8_t*)"\xC7\x95\x3C\xBB\xA5", SGF22_PAYLOAD_SIZE);
#endif

const uint8_t bind_chan[] = {SGF22_BIND_RF_CHANNEL, SGF22_F22S_BIND_RF_CHANNEL, SGF22_J20_BIND_RF_CHANNEL};
// const uint8_t bind_chan[] = {SGF22_BIND_RF_CHANNEL, SGF22_F22S_BIND_RF_CHANNEL, SGF22_J20_BIND_RF_CHANNEL};
const uint8_t bind_chan[] = {CX10_BIND_RF_CHANNEL, SGF22_F22S_BIND_RF_CHANNEL, SGF22_J20_BIND_RF_CHANNEL};
XN297_RFChannel(bind_chan[sub_protocol]); // Set bind channel
}

Expand Down