settings.json

{
    "files.associations": {
        "protocol_user.h": "c",
        "protocol_lib.h": "c",
        "protocol_crc16.h": "c",
        "gatts_table_creat_demo.h": "c",
        "app_ble_user.h": "c",
        "main_user.h": "c",
        "mcu_core_protocol.h": "c",
        "app_bt_user.h": "c",
        "bt_app_main.h": "c"
    }
}