BgApiDriver.BgApi.ble_cmd_dfu_flash_upload C# (CSharp) Method

        public ble_msg_dfu_flash_upload_rsp_t ble_cmd_dfu_flash_upload(byte[] data)
        {
            log("ble_cmd_dfu_flash_upload_id");
            byte[] _data = new byte[SIZE_HEADER + 0 + 1 + data.Length];
            int idx = 0;
            // header
            _data[idx++] = (byte)ble_dev_types.ble_dev_type_ble|(byte)ble_msg_types.ble_msg_type_cmd|0x0;
            _data[idx++] = (byte)(0 + 1 + data.Length);
            _data[idx++] = (byte)ble_classes.ble_cls_dfu;
            _data[idx++] = (byte)ble_command_ids.ble_cmd_dfu_flash_upload_id;
            // data
            _data[idx++] = (byte)(data.Length);
            for(int i = 0; i < data.Length; i++)
            {
                _data[idx++] = data[i];
            }
            // send
            BgApiResponse response = Send(new BgApiCommand() { Data = _data }, false);
            return (ble_msg_dfu_flash_upload_rsp_t)response;
        }