"connect test: on connect success") // 注册通知 registerNotify() } // 连接并注册通知 mClient.connect(BLE_DEVICE_MAC) .subscribe(object : Observer<String> { override fun onSubscribe(d: Disposable) { Log.e("RxBle", "connect test onSubscribe: ") } override fun ...
bluetoothGattServerCallback); //BLE服务的初始化配置,很重要 //配置的顺序是 服务service 特征(通道)Characteristic 属性Descriptor //配置服务名、 主服务类型 BluetoothGattService service=new BluetoothGattService(mServiceUUID, BluetoothGattService.SERVICE_TYPE_PRIMARY); //配置一个读的...
lv_indev_drv_t *indev_drv: Pointer to the input device driver structure in LVGL. This structure contains information about input devices and callback functions lv_indev_data_t *data: Pointer to the input device data structure in LVGL. The structure is used to store the status and data of...
Parameters [in] c_value C structure containing a value of a parameter. Returns an instance of a parameter value Exceptions InvalidParameterValueException if the rcl_variant_t is inconsistent or invalid. ◆ to_string() [2/3] std::string rclcpp::to_string ( ParameterType type ) Return the na...
}//转换字符到16进制funconvertHexStringToByteArray(hexString:String): ByteArray {valbyteArray = ByteArray(hexString.length /2)for(iinhexString.indices step2) {valhex = hexString.substring(i, i +2)valbyteValue = hex.toInt(16).toByte() ...
privatestaticfinalString BROADCAST_IP ="192.168.2.255";// 广播地址 privatestaticfinalintBROADCAST_PORT =3333;// 你的广播端口 //写在onCreate中 StartStream.setOnClickListener(v -> { sendBroadcastMessage("NBQS_IPCAM"); }); //定义一个发送函数 ...
This is hosted by a webserver and contains information about the latest firmware: {"type":"esp32-fota-http","version":2,"host":"192.168.0.100","port":80,"bin":"/fota/esp32-fota-http-2.bin"} Version information can be either a single number or a semantic version string. Alternatively...
This repository contains all the tools and sources necessary to build working MicroPython firmware which can fully use the advantages of 4MB (or more) of psRAM. It is huge difference between MicroPython running with less than 100KB of free memory and running with 4MB of free memory. ESP32 ...
Serial.printf("新节点连接: %u\n", nodeId); } // 消息接收回调函数 void receivedCallback(uint32_t from, String &msg) { Serial.printf("来自节点 %u 的消息: %s\n", from, msg.c_str()); // 示例:将消息转发到服务器 if (WiFi.status() == WL_CONNECTED) { ...
粗看本质上就是RTS接EN以及DTR接IO0,如果自己设计USB模块加上这个电路一是更占用板子的空间二是三极管...