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    CoolPi 4B支持USB网卡吗?

    Scheduled Pinned Locked Moved Pi 4B
    36 Posts 5 Posters 1.4k Views
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    • G
      george @jugg
      last edited by

      @jugg 两个USB3.0接口各自1A的负载开关,两个USB2.0接口共用一个1A的负载开关。

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      • J
        jugg @george
        last edited by

        @george
        我用板子上的3.0接usb wifi
        4b099c42-1509-43d9-a884-6422e896c6bb-image.png

        这个周期性的超时 是不是因为供电不足

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        • G
          george @jugg
          last edited by

          @jugg 不会!这个应该是固件或者驱动的原因导致。

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          • J
            jugg @george
            last edited by

            @george
            那哪个usb wifi推荐使用
            我试了8812CU 8822BU 8832 8852 都有各种问题

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            • J
              jugg @jugg
              last edited by

              @jugg said in CoolPi 4B支持USB网卡吗?:

              @george
              那哪个usb wifi推荐使用
              我试了8812CU 8822BU 8832 8852 都有各种问题

              就板载aic 用iperf3测试了 比较稳定 网速40M左右
              其它的各自超时

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              • G
                george @jugg
                last edited by

                @jugg USB的WIFI最新会适配一些型号!有结果了会在社区发布。

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                • J
                  jugg @george
                  last edited by

                  @george 👍

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                  • G
                    george @jugg
                    last edited by

                    @jugg 今天适配了两款USB网卡,目前测试情况良好,没有出现概率断线的问题:

                    RTL8188ETV
                    RTL8822BU

                    95675664-1d2b-43b3-aa9d-c4b39c0aacfc-image.png
                    2d83db42-c5c3-4d91-b7bd-56e97a331f8c-image.png

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                    • J
                      jugg @george
                      last edited by

                      @george
                      4b的板 0306的系统 需要怎么做才能更新这个
                      按照这个
                      https://cool-pi.com/topic/131/coolpi-4b-linux-kernel开发在线更新说明
                      更新驱动包就行了是不是?

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                      • J
                        jugg @jugg
                        last edited by

                        @jugg
                        重新拉内核的代码 然后编译 更新内核、更新驱动包是吧

                        大法师大 1 Reply Last reply Reply Quote 0
                        • 大法师大
                          大法师 @jugg
                          last edited by

                          @jugg
                          是的。可以在x86环境编译,也可以在cool pi 4b本机编译替换。

                          jack@cool-pi.com

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                          • J
                            jugg @大法师
                            last edited by

                            @大法师
                            我按照说明更新内核
                            重启之后 怎么就这么点了
                            424828a5-1e4d-4406-b38d-33d326b7c70c-image.png

                            大法师大 1 Reply Last reply Reply Quote 0
                            • 大法师大
                              大法师 @jugg
                              last edited by

                              @jugg 驱动模块按需加载,没有问题

                              jack@cool-pi.com

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                              • J
                                jugg @大法师
                                last edited by

                                @大法师
                                编译内核的时候 还有选模块?

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                                • J
                                  jugg @大法师
                                  last edited by

                                  @大法师
                                  473eb797-9d29-4b04-837a-71686cdeb429-image.png
                                  这些模块怎么办 要都选?

                                  1 Reply Last reply Reply Quote 0
                                  • J
                                    jugg @大法师
                                    last edited by

                                    @大法师
                                    哦 就是用的时候才会加载

                                    1 Reply Last reply Reply Quote 0
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