gomaomao/DIY-Multiprotocol-TX-Module
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XK2: 1 TX ID but multiple RX IDs?

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pascallanger
2024-07-12 10:00:21 +02:00
parent 8685fcae7f
commit b8c5929521
2 changed files with 13 additions and 5 deletions
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13
Multiprotocol/XK2_ccnrf.ino
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@@ -74,7 +74,7 @@ static void __attribute__((unused)) XK2_send_packet()
//Telemetry not received=00, Telemetry received=01 but sometimes switch to 1 even if telemetry is not there...
packet[6] = 0x00;
//Unknown
packet[7] = 0x5A; //Constant?
packet[7] = crc8; //?? RX_ID checksum ?? => sum RX_ID[0..2]
//Checksum seed
packet[8] = 0x7F; //Constant?
}
@@ -152,18 +152,25 @@ uint16_t XK2_callback()
phase++;
else
{
//checksum of RX_ID
crc8 = packet[4] + packet[5] + packet[6];
debugln("W:RX_ID=%02X",crc8);
eeprom_write_byte((EE_ADDR)(XK2_EEPROM_OFFSET+RX_num),crc8);
XN297_SetTxRxMode(TXRX_OFF);
XN297_SetTxRxMode(TX_EN);
bind_counter = 10;
bind_counter = 10; //send 10 bind end packets
phase = XK2_DATA;
}
}
return 1000;
case XK2_DATA_PREP:
crc8=eeprom_read_byte((EE_ADDR)(XK2_EEPROM_OFFSET+RX_num));
debugln("R:RX_ID=%02X",crc8);
XN297_SetTxRxMode(TXRX_OFF);
XN297_SetTxRxMode(TX_EN);
XN297_SetTXAddr(rx_tx_addr, 5);
BIND_DONE;
phase++;
case XK2_DATA:
#ifdef MULTI_SYNC
telemetry_set_input_sync(XK2_PACKET_PERIOD);
@@ -267,7 +274,7 @@ P[5] = flags
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...
P[7] = 5A
P[7] = 5A -> ?? RX_ID checksum ?? => sum RX_ID[0..2]
P[8] = sum P[0..7] + 7F
Telemetry