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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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    • J
      JohnConnor @george
      last edited by

      @george https://item.taobao.com/item.htm?spm=a230r.1.14.21.46b841e6h9xO0X&id=708713145029&ns=1&abbucket=12#detail这款支持吗

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      • J
        jack_admin @JohnConnor
        last edited by

        @JohnConnor 没有标识型号。说免驱,一般都可以找到驱动支持

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        • J
          jugg @george
          last edited by

          @george
          4B板子的usb供电是多少的?
          外置usb wifi 需要1.2A的供电是不是会导致各自问题?
          比如系统崩溃、摄像头图像读不出来?

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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?

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                                        • J
                                          jugg @大法师
                                          last edited by

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

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