JuReceiver/system_general/multicast.h

typedef struct {
    byte type = 0xff;
    byte channel;
    uint64_t pipe;
    char name[16] = "[UNNAMED]";
} nrfMulticast;

void RCMulticastTask() {
    if (random(25) == 1) {
#if debug
        Serial.println("Multicast!");
#endif
        radio.stopListening();
        radio.setChannel(multicastChannel);
        radio.openWritingPipe(multicastAddress);
        nrfMulticast data;
        data.pipe = myPipe;
        data.channel = myChannel;
#ifdef jName
        char nameMult[16] = jName;
        strncpy(data.name, nameMult, 16);
#endif
        radio.write(&data, sizeof(data));
        radio.setChannel(myChannel);
        radio.startListening();
    }
}