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    • 大法师

      Coolpi 4b 镜像固件离线刷机方法
      • 大法师

      4
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      4
      Posts
      489
      Views

      C

      @jack_admin 果然是ubuntu/coolpi

    • 大法师

      Coolpi 4b 镜像固件在线刷机方法
      • 大法师

      1
      0
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      1
      Posts
      372
      Views

      No one has replied

    • 大法师

      Coolpi 4b user guide for developer
      • 大法师

      3
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      Votes
      3
      Posts
      499
      Views

      S

      Can you please translate the guide to English?

    • H

      Download
      • harry.huang

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      530
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      No one has replied

    • X

      ubuntu22.04 连接蓝牙音箱,播放网页视频,断断续续卡顿
      • xingzhan2012

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      X

      @george fc2f87b3-499a-4776-870a-a2561f6f19d9-image.png

      原因找到了,是configuration 那里要设置选择HFP

    • A

      如何开启binder_linux?
      • allen

      3
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      3
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      56
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      J

      @allen 内核打开binder IPC

    • M

      升级到 ubuntu 22.04
      • macthree

      4
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      4
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      74
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      J

      @macthree 建议全新安装会更好,0303版本是纯净版系统,您也可以下载我们github ubuntu仓库构建纯净版本镜像

    • 大法师

      Coolpi 4b linux kernel开发在线更新说明
      • 大法师

      4
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      311
      Views

      大法师

      补充内核编译操作说明(如下以coolpi 4b ubuntu22.04 0306系统版本为例):

      首先下载内核源码

      coolpi@coolpi:~$ git clone https://github.com/yanyitech/coolpi-kernel.git Cloning into 'coolpi-kernel'... remote: Enumerating objects: 8550563, done. remote: Counting objects: 100% (5962/5962), done. remote: Compressing objects: 100% (3084/3084), done. remote: Total 8550563 (delta 2757), reused 5819 (delta 2648), pack-reused 8544601 Receiving objects: 100% (8550563/8550563), 1.98 GiB | 11.07 MiB/s, done. Resolving deltas: 100% (7166058/7166058), done. Checking objects: 100% (33554432/33554432), done. Updating files: 100% (87196/87196), done. coolpi@coolpi:~$

      额外安装组件包

      coolpi@coolpi:~$ sudo apt install -y flex bison libssl-dev coolpi@coolpi:~$ sudo ln -sf /usr/bin/python3 /usr/bin/python

      开始编译内核

      coolpi@coolpi:~$ cd coolpi-kernel coolpi@coolpi:~/coolpi-kernel$ ./build-kernel.sh cp4b
    • 大法师

      coolpi 4b python3 gpio operation compatable with raspberry pi
      • 大法师

      23
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      23
      Posts
      559
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      M

      @jack_admin I mean can output video signal on the gpio using with custom timings, like you can on the RPI4?

    • T

      coolpi 4b无法启动
      • test

      6
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      6
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      49
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      J

      @test 你的loader版本看起来比较早,升级loader试下。卡的分区表异常,格式化一次

    • X

      mini DP 诱骗器无效
      • xingzhan2012

      14
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      14
      Posts
      113
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      X

      @jack_admin 已经成功

    • S

      Kernel update schedule
      • sushruth

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      42
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      No one has replied

    • X

      如果同时给emmc和sd卡刷系统,如何指定系统从emmc或sd卡启动
      • xingzhan2012

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      X

      @jack_admin 那就没有问题了,只要优先从tf卡启动就行,我已经通过tf卡启动ubuntu22.04,然后通过dd命令将img写入到emmc中,并且启动成功。这样就再也不用把emmc从板子上取下来了,yeah!谢谢

    • X

      EMMC 读卡失败,可以直接插板子上,SD卡启动系统后识别出来吗
      • xingzhan2012

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      大法师

      @xingzhan2012 可以用cool pi ubuntu系统,直接dd 刷系统到其他存储介质,比如emmc

    • 大法师

      Coolpi 4b support dynamic update logo
      • 大法师

      1
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      85
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      No one has replied

    • 大法师

      Coolpi 4b bootloader命令行升级方法
      • 大法师

      2
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      2
      Posts
      292
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      大法师

      latest loader image files

      百度网盘下载cool pi 4b loader在线刷机包

      OneDrive download cool pi 4b loader

    • G

      How to upgrade the boot loader of coolpi 4b?
      • george

      3
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      Votes
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      G

      @reddfoxx Refer to attachment link:
      https://www.aliexpress.us/item/3256803830903295.html?spm=a2g0o.productlist.main.51.2d623ca45F44fO&algo_pvid=370776b3-bc3a-44b3-b469-07b7abd5eb71&algo_exp_id=370776b3-bc3a-44b3-b469-07b7abd5eb71-25&pdp_ext_f={"sku_id"%3A"12000027750691599"}&pdp_npi=2%40dis!USD!0.17!0.13!!!!!%40212244c416739165017785791d0685!12000027750691599!sea&curPageLogUid=LiqQEObfPtMi

    • J

      Coolpi 4b hardware info
      • jack_admin

      1
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      290
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      No one has replied

    • 大法师

      Coolpi 4b Download firmwares with OneDrive
      • 大法师

      4
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      Votes
      4
      Posts
      235
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      Z

      coolpi/coolpi is the username and password for the debian build. people need to do a better job of documenting on this forum.

    • 大法师

      Coolpi 4b gpio default setting introduce
      • 大法师

      1
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      1
      Posts
      93
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      No one has replied

    • 大法师

      Coolpi 4b EMMC镜像备份导出方法
      • 大法师

      1
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      Votes
      1
      Posts
      184
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      No one has replied

    • 大法师

      Coolpi 4b debug console串口接线配置说明
      • 大法师

      1
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      1
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      330
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      No one has replied

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