RE: Use Multi-NUS in one central device to get two peripheral's data

Hung Bui — Mon, 31 Mar 2025 13:09:17 GMT

Hi Zhou,
Have you make sure you handle each connection with correct bt_conn conn id ?
From what I can see here you are assigning them to the same pointer: default_conn

err = bt_conn_le_create(device_info->recv_info->addr, conn_params,
  BT_LE_CONN_PARAM_DEFAULT,
  &default_conn);

Each connection should be assigned to a different "conn", so that you can use them later on. Or you can compare them with the "conn" in each of the BLE event.

Please try to test with one single peripheral and make sure it works fine before testing with 2 peripherals.