Connecter chaque appareil intelligemment

/* Device C SDK Example */
#include "puyue_iot.h"

void on_message(const char* topic, const uint8_t* payload, size_t len) {
    printf("Received: %.*s\n", (int)len, payload);
}

int main() {
    puyue_device_t* dev = puyue_init("device_001", "secret_xxx");
    puyue_set_callback(dev, on_message);
    puyue_connect(dev); // Auto TLS auth
    puyue_publish(dev, "/device/data", "{\"temp\": 25.6}");
    puyue_loop(dev);
}