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Cloud gaming platforms are changing the way users access and experience video games. Instead of depending on expensive gaming hardware, players can stream games directly from cloud servers using internet-connected devices. For businesses, cloud gaming creates opportunities to reach a wider audience, reduce hardware dependency, and introduce flexible revenue models such as subscriptions, memberships, and digital purchases. A successful cloud gaming platform includes features like real-time game streaming, cloud saves, multiplayer functionality, user management, and cross-device accessibility.

Hivelance provides cloud gaming platform development services designed to help businesses create advanced gaming solutions with modern technologies and user-focused experiences. The team focuses on developing platforms that deliver smooth gameplay, reliable performance, and scalability for growing audiences. By combining cloud expertise with gaming knowledge, Hivelance helps businesses build solutions that meet current market demands. And providing maintenance, optimization, upgrades, and technical support after platform deployment.

Know More:

Visit – https://www.hivelance.com/cloud-game-development
WhatsApp - +918438595928
Telegram - Hivelance
Mail - sales@hivelance.com

4331ce0b-deab-4daf-9b82-71f7247aba61.png 请各位大神辛苦帮我看看 万分感谢

如题，是网络问题吗？换源能否解决？

一键安装ros2系统。换源后更新失败，然后尝试四次换源失败。
求大佬怎么解决

3b13bf75-0ad6-45ef-9c38-1a9b2f5fea32-图片.png 有时候打开正常，但是一旦全屏就开始闪烁

用fishbot二驱建图，坐标老是飘移是为什么？
22cc07ad-6567-453b-a3f7-43f4145362c7-image.png

08c9bca8-8195-44ec-ad13-161162ca0f75-image.png

#fishbot# 建图

我在VM上面下载ubuntu不知道为什么我在终端用方向键变成ABCD有没有哪个大神帮我解决一下

昨天第一次用，根据视频上up一步步操作的昨天还能正常使用，今天就不知道为什么启动不了了，没有改过啥东西，也没下载新东西，昨天电脑关机，今天电脑开机打开ubuntu22，然后打不开，Oracle VirtualBox的版本是7.2.18
df7b5c6e-ead4-419a-a397-710ed016f6fd-image.png

屏幕截图-录屏 2026年09月18日 18时33分18秒.webm.png 屏幕截图-录屏 2026年09月18日 18时33分18秒.webm-1.png 屏幕截图-录屏 2026年09月18日 18时33分18秒.webm-2.png 屏幕截图-录屏 2026年09月18日 18时33分18秒.webm-3.png
如图所示，视频没法传上来，请问大佬这个怎么解决？

执行一键安装的过程中遇到以下问题
1、部分依赖安装失败，但可以继续进行后续安装
de9af9ab-7f25-495b-bac5-b8e78fd1838b-image.png
2、从国内源拉取部分镜像时出错，最终安装报错code2
b38bf763-4048-40a9-aaa5-d52a6a9296ba-image.png
86d062dc-cf30-415e-8b44-d6866a9543aa-image.png
75c56859-2913-443b-aa60-ddde490ed89d-image.png
已尝试中科大、华为源，均失败
查阅早期相关帖子发现3月有网友反馈foxy版ROS2的国内镜像源全都不可用， 结合上面的报错，怀疑国内镜像源问题依然存在

使用官方源安装成功并测试通过，安装时间约15分钟
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ros-noetic-robot-state-publisher ros-noetic-ros ros-noetic-ros-base
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ros-noetic-viz ros-noetic-webkit-dependency ros-noetic-xacro
ros-noetic-xmlrpcpp rtkit ruby ruby-minitest ruby-net-telnet
ruby-power-assert ruby-test-unit ruby-xmlrpc ruby2.7 rubygems-integration
rygel samba-libs sane-utils sbcl sdformat9-sdf session-migration sgml-base
sgml-data shiboken2 sip-dev switcheroo-control system-config-printer
system-config-printer-common system-config-printer-udev tango-icon-theme tcl
tcl-dev tcl-vtk7 tcl8.6 tcl8.6-dev tk tk-dev tk8.6 tk8.6-blt2.5 tk8.6-dev
ttf-bitstream-vera ttf-dejavu-core ubuntu-docs ubuntu-session
ubuntu-wallpapers ubuntu-wallpapers-focal unixodbc-dev unzip update-inetd
upower usb-modeswitch usb-modeswitch-data usbmuxd uuid-dev va-driver-all
vdpau-driver-all vtk7 wamerican whoopsie-preferences wireless-regdb
wpasupplicant x11-xkb-utils x11-xserver-utils x11proto-core-dev x11proto-dev
x11proto-input-dev x11proto-randr-dev x11proto-scrnsaver-dev
x11proto-xext-dev x11proto-xinerama-dev xbitmaps xdg-dbus-proxy xfonts-base
xfonts-encodings xfonts-utils xml-core xorg-sgml-doctools xserver-common
xserver-xephyr xserver-xorg xserver-xorg-core xserver-xorg-input-all
xserver-xorg-input-libinput xserver-xorg-input-wacom xserver-xorg-legacy
xserver-xorg-video-all xserver-xorg-video-amdgpu xserver-xorg-video-ati
xserver-xorg-video-fbdev xserver-xorg-video-intel xserver-xorg-video-nouveau
xserver-xorg-video-qxl xserver-xorg-video-radeon xserver-xorg-video-vesa
xserver-xorg-video-vmware xterm xtrans-dev xwayland yaru-theme-gnome-shell
yelp yelp-xsl zenity zenity-common zip zlib1g-dev
0 upgraded, 1503 newly installed, 0 to remove and 6 not upgraded.
Need to get 54.7 kB/801 MB of archives.
After this operation, 4734 MB of additional disk space will be used.
Err:1 https://mirrors.ustc.edu.cn/ros2/ubuntu focal/main amd64 python3-rosdep-modules all 0.26.0-1
404 Not Found [IP: 202.38.95.110 443]
====================ERR====================
Execute Command: sudo apt install python3-rosdep -y Error Code100
====================OUT====================
Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
python3-rosdep-modules python3-rosdistro-modules python3-rospkg-modules
The following NEW packages will be installed:
python3-rosdep python3-rosdep-modules python3-rosdistro-modules
python3-rospkg-modules
0 upgraded, 4 newly installed, 0 to remove and 6 not upgraded.
Need to get 58.0 kB/118 kB of archives.
After this operation, 801 kB of additional disk space will be used.
Err:1 https://mirrors.ustc.edu.cn/ros2/ubuntu focal/main amd64 python3-rosdep-modules all 0.26.0-1
404 Not Found [IP: 202.38.95.110 443]
Err:2 https://mirrors.ustc.edu.cn/ros2/ubuntu focal/main amd64 python3-rosdep all 0.26.0-1
404 Not Found [IP: 202.38.95.110 443]
====================ERR====================
Execute Command: ls /opt/ros/noetic/setup.bash Error Code2
====================OUT====================
====================ERR====================
ls: cannot access '/opt/ros/noetic/setup.bash': No such file or directory
Execute Command: ls /opt/ros/noetic/setup.bash Error Code2
====================OUT====================
====================ERR====================
ls: cannot access '/opt/ros/noetic/setup.bash': No such file or directory

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wifi的密码账号还有ip地址都是和主控板一致的,跳线帽在配置完wifi后也从串口模式归位为wifi模式,
重启机器人后还是依旧等待接受连接
有什么解决方案吗

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无法连接成功,wifi的ip,账号密码都是对的,wifi也是2.4g,电脑连接的网线,但也同时连接了相同wifi,跟着9.5.1的流程走,一直无法链接成功

be256b751ce090c65dd1531a00f69351.png

遇到了ros2 run micro_ros_agent micro_ros_agent udp4 --port 8888后没有输出的问题。
遇到了单片机串口监听会有如下类似输出：

Guru Meditation Error: Core 1 panic'ed (IllegalInstruction). Exception was unhandled. Memory dump at 0x400d2cb0: 6cab6520 04adf01d e5201110 Core 1 register dump: PC : 0x400d2cb4 PS : 0x00060730 A0 : 0x00000000 A1 : 0x3ffb4a70 A2 : 0x3ffc3d40 A3 : 0x3ffc3cb8 A4 : 0x3ffc3d74 A5 : 0x00000000 A6 : 0x00000000 A7 : 0x00000000 A8 : 0x800d2cb4 A9 : 0x3ffb4a50 A10 : 0x00000001 A11 : 0xfffffffd A12 : 0x00000000 A13 : 0x00000000 A14 : 0x00000001 A15 : 0x3ffc3cb8 SAR : 0x00000020 EXCCAUSE: 0x00000000 EXCVADDR: 0x00000000 LBEG : 0x40084681 LEND : 0x40084689 LCOUNT : 0x00000027 Backtrace: 0x400d2cb1:0x3ffb4a70 ELF file SHA256: 49c2f071dd978ec8 Rebooting... ets Jul 29 2019 12:21:46 rst:0xc (SW_CPU_RESET),boot:0x13 (SPI_FAST_FLASH_BOOT) configsip: 0, SPIWP:0xee clk_drv:0x00,q_drv:0x00,d_drv:0x00,cs0_drv:0x00,hd_drv:0x00,wp_drv:0x00 mode:DIO, clock div:2 load:0x3fff0030,len:1184 load:0x40078000,len:13232 load:0x40080400,len:3028 entry 0x400805e4

解决办法检查ip是否正确（wsl2可以开镜像模式，不会的问问ai）。检查WiFi是否连上，wsl用户确保防火墙给过（我就是wifi连上但是防火墙问题，也可以问问ai），wifi质量。
调试的时候在代码里多加一点打印函数以确保知道哪一步出问题了。

void microros_task(void *args) { // 1.设置传输协议并延迟一段时间等待设置的完成。 IPAddress agent_ip; // 用来存储 IP 地址。 agent_ip.fromString("xxx"); // 电脑/手机当前的IP地址。 set_microros_wifi_transports("xxx", "xxx", agent_ip, 8888); // 设置传输协议。告诉机器人连名称为“xxx”的WiFi，密码为“xxx”。之后去往代理服务器的IP地址为xxx，端口号为8888的地方发消息。 Serial.print("WiFi status: "); Serial.println(WiFi.status() == WL_CONNECTED ? "Connected" : "Failed"); // 判断wifi是否连接上，ture则"Connected"，false则"Failed"。 if (WiFi.status() == WL_CONNECTED) { Serial.print("IP: "); Serial.println(WiFi.localIP()); } delay(2000); // 等待2秒，等待wifi连接。 // 2.初始化内存分配器。 allocator = rcl_get_default_allocator(); // 获取默认的内存分配器。 // 3.初始化支持，并检查错误。 if (rclc_support_init(&support, 0, NULL, &allocator) != RCL_RET_OK) { Serial.println("support init failed"); } // 初始化支持。使用这个默认的内存分配器 allocator（它使用标准的 malloc 和 free），在没有任何命令行参数的情况下，帮我初始化好 ROS 2 客户端库的底层环境，并把所有初始化好的状态信息都保存在 support 这个结构体里，供我后续创建节点使用。 // 4.初始化节点，并检查错误。 if (rclc_node_init_default(&node, "fishbot_motion_control", "", &support) != RCL_RET_OK) { Serial.println("node init failed"); } // 初始化节点。在由 support 提供的运行环境中，创建一个名为 fishbot_motion_control 的节点，它位于全局命名空间（""），并把这个节点的所有状态信息保存在 node 这个结构体里。 // 5.初始化执行器，并检查错误。 unsigned int num_handles = 1; // 订阅和计时器的数量，注意这是一个要改的参数（句柄的数量）。大概，比如我设置5，它就有了5个槽位，编号0-4。现在比如0-3我填满了（有东西要执行），他就会去依次询问0-3有没有执行（有没有消息），没执行要去执行他们对应的功能（有消息回调）。句柄 = 唯一识别号。 if (rclc_executor_init(&executor, &support.context, 1, &allocator) != RCL_RET_OK) { Serial.println("executor init failed"); } // 初始化执行器。使用 allocator 这个内存分配器，在 support.context 提供的 ROS 通信上下文里，初始化一个执行器 executor，让它能够管理 num_handles 个句柄（比如x个订阅者或定时器）。 // 6.初始化订阅者，并将其添加到执行器中。 rclc_subscription_init_best_effort(&sub_cmd_vel, &node, ROSIDL_GET_MSG_TYPE_SUPPORT(geometry_msgs, msg, Twist), "/cmd_vel"); // 订阅者句柄地址，节点句柄地址，消息类型支持（什么类型的消息）（地址），话题名称（订阅哪个话题）。ROSIDL_GET_MSG_TYPE_SUPPORT 是 ROS 2 C语言客户端库（rclc）中一个非常重要的预处理宏，它就像是订阅者与特定消息类型之间的"桥梁"或"身份证"。 rclc_executor_add_subscription(&executor, &sub_cmd_vel, &msg_cmd_vel, twist_callback, ON_NEW_DATA); // 执行器句柄地址，订阅者句柄地址，存放接收到的消息的内存空间的地址（消息缓冲区），回调函数，触发条件：有新数据时触发，一收到消息就执行回调。 // 7.循环执行器。 rclc_executor_spin(&executor); // 循环执行器。它会持续地、反复地检查所有已添加到执行器的句柄（如订阅者、定时器），并处理它们对应的回调函数。只要 ROS 2 的上下文（context）保持有效，这个循环就不会停止. // // spin 返回说明上下文已失效;不要跑完任务,直接挂起: // while (1) { vTaskDelay(pdMS_TO_TICKS(1000)); } // 或 vTaskDelete(NULL); }

此外，调试的时候在setup里的打印串口不一定来得及显示，故setup（）中别忘了延迟。

void setup() { // 初始化串口。 Serial.begin(115200); // 初始化串口通信，波特率为115200 // delay(5000); // 测试使用，确保串口能监视。

测试时，ros2 run micro_ros_agent micro_ros_agent udp4 --port 8888一直开着，小车复位就行。

我之前串口显示：

WiFi status: Connected IP: xxx support init failed node init failed

windows下打开powershell（管理员）

New-NetFirewallRule -DisplayName "Micro-ROS Agent" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 8888

后来就没有问题了。

~/chapt9/fishbot_ws$ ros2 run micro_ros_agent micro_ros_agent udp4 --port 8888 [1788770845.577995] info | UDPv4AgentLinux.cpp | init | running... | port: 8888 [1788770845.578219] info | Root.cpp | set_verbose_level | logger setup | verbose_level: 4 [1788770856.901357] info | Root.cpp | create_client | create | client_key: 0x2DA90876, session_id: 0x81 [1788770856.901571] info | SessionManager.hpp | establish_session | session established | client_key: 0x2DA90876, address: xxx [1788770857.263512] info | ProxyClient.cpp | create_participant | participant created | client_key: 0x2DA90876, participant_id: 0x000(1) [1788770857.460412] info | ProxyClient.cpp | create_topic | topic created | client_key: 0x2DA90876, topic_id: 0x000(2), participant_id: 0x000(1) [1788770857.714279] info | ProxyClient.cpp | create_subscriber | subscriber created | client_key: 0x2DA90876, subscriber_id: 0x000(4), participant_id: 0x000(1) [1788770857.743909] info | ProxyClient.cpp | create_datareader | datareader created | client_key: 0x2DA90876, datareader_id: 0x000(6), subscriber_id: 0x000(4) [1788771241.953583] info | Root.cpp | delete_client | delete | client_key: 0x2DA90876 [1788771241.953708] info | SessionManager.hpp | destroy_session | session closed | client_key: 0x2DA90876, address: xxx [1788771241.953756] info | Root.cpp | create_client | create | client_key: 0x332EE297, session_id: 0x81 [1788771241.953773] info | SessionManager.hpp | establish_session | session established | client_key: 0x332EE297, address: xxx [1788771242.306195] info | ProxyClient.cpp | create_participant | participant created | client_key: 0x332EE297, participant_id: 0x000(1) [1788771242.369915] info | ProxyClient.cpp | create_topic | topic created | client_key: 0x332EE297, topic_id: 0x000(2), participant_id: 0x000(1) [1788771242.511903] info | ProxyClient.cpp | create_subscriber | subscriber created | client_key: 0x332EE297, subscriber_id: 0x000(4), participant_id: 0x000(1) [1788771242.601624] info | ProxyClient.cpp | create_datareader | datareader created | client_key: 0x332EE297, datareader_id: 0x000(6), subscriber_id: 0x000(4)

以及

~/chapt9/fishbot_ws$ ros2 node list /fishbot_motion_control

（TeamHD 工控主机）
配置：8G 内存 + 128G eMMC，后置 TF 卡槽、uboot 刷机按键。

当前系统 Ubuntu20.04，SSH、网络正常。查询 /dev/rknpu* 无设备，NPU 驱动缺失，无法运行 AI 模型。

求全套资料：
1.Ubuntu22.04 固件，内置 RKNN‑NPU 驱动；
2.TF 卡离线刷机教程，uboot 按键刷机步骤；
3. 引脚图、SDK、ROS2 适配文档。
附实拍图，感谢大佬帮忙！微信图片_20260904222446_221_2.jpg

我在fishbot配置助手里已经显示写入成功了，但是我查看的时候server_port还是原来的数值，怎么都不行，重启也不行。

安装ubuntu时，powershell输入安装命令，为什么我一直是无法解析服务器的名称或地址，在微软商店里面下载打开也是报错