gomaomao/DIY-Multiprotocol-TX-Module
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XK2 2nd ID

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pascallanger 2025-01-20 16:28:48 +01:00
parent 9b66711052
commit fd150fa109
4 changed files with 27 additions and 11 deletions
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2
Lua_scripts/MultiChan.txt
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@ -193,7 +193,7 @@
62,0,XK,X450,1,FMode,TakeOf,Emerg,3D_6G,Pict,Video
62,1,XK,X420,1,FMode,TakeOf,Emerg,3D_6G,Pict,Video,Flip,Light
62,2,XK,Cars,0,FMode,TakeOf,Emerg,3D_6G,Pict,Video,Flip,Light
99,0,XK2,X4,0,Rate,Mode,Hover
99,0,XK2,X4,0,Rate,Mode,Hover,Light
8,0,YD717,Std,1,Flip,Light,Pict,Video,HLess
8,1,YD717,SkyWlkr,1,Flip,Light,Pict,Video,HLess
8,2,YD717,Simax4,1,Flip,Light,Pict,Video,HLess

2
Multiprotocol/Multiprotocol.h
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@ -19,7 +19,7 @@
#define VERSION_MAJOR 1
#define VERSION_MINOR 3
#define VERSION_REVISION 4
#define VERSION_PATCH_LEVEL 18
#define VERSION_PATCH_LEVEL 19
#define MODE_SERIAL 0

24
Multiprotocol/XK2_ccnrf.ino
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@ -70,13 +70,14 @@ static void __attribute__((unused)) XK2_send_packet()
//Flags
packet[5] = GET_FLAG(CH5_SW, 0x01) //Rate
| GET_FLAG(CH6_SW, 0x08) //Mode
| GET_FLAG(CH7_SW, 0x20); //Hover
| GET_FLAG(CH7_SW, 0x20) //Hover
| GET_FLAG(CH8_SW, 0x40); //Light
//Telemetry not received=00, Telemetry received=01 but sometimes switch to 1 even if telemetry is not there...
packet[6] = 0x00;
//Unknown
packet[7] = crc8; //?? RX_ID checksum ?? => sum RX_ID[0..2]
//Checksum seed
packet[8] = 0x7F; //Constant?
packet[8] = num_ch; //Based on TX ID but calculation is unknown
}
//Checksum
for(uint8_t i=0; i<XK2_PAYLOAD_SIZE-1; i++)
@ -108,14 +109,28 @@ static void __attribute__((unused)) XK2_RF_init()
static void __attribute__((unused)) XK2_initialize_txid()
{
#ifdef FORCE_XK2_ID
if(rx_tx_addr[3]&1)
{
rx_tx_addr[0] = 0x66;
rx_tx_addr[1] = 0x4F;
rx_tx_addr[2] = 0x47;
for(uint8_t i=0;i<XK2_RF_NUM_CHANNELS;i++)
hopping_frequency[i] = 65 + i*4; //65=0x41, 69=0x45, 73=0x49, 77=0x4D
num_ch = 0x7F; // Must be based on the ID but calculation unknow yet
//hopping frequencies 65=0x41, 69=0x45, 73=0x49, 77=0x4D
}
else
{
rx_tx_addr[0] = 0x36;
rx_tx_addr[1] = 0x49;
rx_tx_addr[2] = 0x6B;
num_ch = 0x79; // Must be based on the ID but calculation unknow yet
//hopping frequencies 65=0x41, 69=0x45, 73=0x49, 77=0x4D
}
#endif
for(uint8_t i=0;i<XK2_RF_NUM_CHANNELS;i++) // Are these RF frequencies always the same?
hopping_frequency[i] = 65 + i*4; //65=0x41, 69=0x45, 73=0x49, 77=0x4D
rx_tx_addr[3] = 0xCC;
rx_tx_addr[4] = 0xCC;
debugln("ID: %02X %02X %02X %02X %02X , HOP: %02X %02X %02X %02X",rx_tx_addr[0],rx_tx_addr[1],rx_tx_addr[2],rx_tx_addr[3],rx_tx_addr[4],hopping_frequency[0],hopping_frequency[1],hopping_frequency[2],hopping_frequency[3]);
}
uint16_t XK2_callback()
@ -271,6 +286,7 @@ P[4] = alternates 20,60,A0,E0
P[5] = flags
01=high rate
20=hover=long_press_left
40=light -> temporary
08=6g/3d=short_press_right sequece also switches for a few packets to C1 if 8 C0 if 0
P[6] = 00 telemetry nok
01 telemetry ok but sometimes switch to 1 also when telemetry is nok...

10
Protocols_Details.md
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@ -1515,17 +1515,17 @@ Models: WLtoys cars 284131/284161/284010/124016/124017/144010 and Eachine EAT14
## XK2 - *99*
### Sub_protocol X4 - *0*
Transmitter: XK X4-A160, model: XK A160S
Transmitter: XK X4-A160, X5S, model: XK A160S, XK A280
**Only 1 ID and might only work with my plane**
**Only 2 IDs**
If a CC2500 is installed it will be used for this sub protocol. Option in this case is used for fine frequency tuning like any CC2500 protocols so check the [Frequency Tuning page](/docs/Frequency_Tuning.md).
If only a NRF24L01 is installed then this sub protocol might be problematic because it is using the xn297L emulation with a transmission speed of 250kbps which doesn't work very well with every NRF24L01, this is an hardware issue with the authenticity and accuracy of the components.
CH1|CH2|CH3|CH4|CH5|CH6|CH7
---|---|---|---|---|---|---
A|E|T|R|Rate|Mode|Hover
CH1|CH2|CH3|CH4|CH5|CH6|CH7|CH8
---|---|---|---|---|---|---|---
A|E|T|R|Rate|Mode|Hover|Light
The plane does not need to be bound each time if it is powered on **after** the radio/protocol is on.