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    <title>Firefly开源社区 - Core-3288J</title>
    <link>https://dev.t-firefly.com/forum-513-1.html</link>
    <description>Latest 20 threads of Core-3288J</description>
    <copyright>Copyright(C) Firefly开源社区</copyright>
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    <item>
      <title>core-3288J+firefly_rk3288_android5.1+mipidsi触摸屏i2c4异常导致系统一直复位重启</title>
      <link>https://dev.t-firefly.com/thread-130857-1-1.html</link>
      <description><![CDATA[硬件：core-3288J+firefly_rk3288_android5.1+mipidsi触摸屏，供电12V 3A；触摸芯片gt911
问题：MIPIDSI屏幕已经点亮，在不插入触摸端子线的情况，屏幕显示正常；插入触摸线后，上电显示firefly的logo后就会重启。
相关代码源文件详见附件]]></description>
      <category>Core-3288J</category>
      <author>steaf</author>
      <pubDate>Wed, 12 Mar 2025 09:43:07 +0000</pubDate>
    </item>
    <item>
      <title>RK3288   lvds点亮屏幕之后，开机第一屏正常，之后颜色就乱了</title>
      <link>https://dev.t-firefly.com/thread-130291-1-1.html</link>
      <description><![CDATA[屏幕的datasheet

lvds点亮屏幕之后，开机第一屏正常，之后颜色就乱了

是源码里面哪里二次初始化lvds了吗？]]></description>
      <category>Core-3288J</category>
      <author>a751116023</author>
      <pubDate>Fri, 24 May 2024 03:21:34 +0000</pubDate>
    </item>
    <item>
      <title>刚刚了解到要搞触摸效果只能用安卓系统</title>
      <link>https://dev.t-firefly.com/thread-128641-1-1.html</link>
      <description><![CDATA[如果是ubuntu/linux系统要搞触摸是不是难度很大？有什么思路？]]></description>
      <category>Core-3288J</category>
      <author>财哥</author>
      <pubDate>Mon, 29 May 2023 09:16:10 +0000</pubDate>
    </item>
    <item>
      <title>QCN:6274 a powerful system-on-chip (SoC)</title>
      <link>https://dev.t-firefly.com/thread-128336-1-1.html</link>
      <description><![CDATA[The QCN6274 is a highly advanced chipset that was developed by Qualcomm. It is designed specifically for use in mobile devices such as smartphones and tablets. The chip is built on the 7nm process and is known for its exceptional performance and powe ...]]></description>
      <category>Core-3288J</category>
      <author>烟杪</author>
      <pubDate>Tue, 28 Mar 2023 01:06:19 +0000</pubDate>
    </item>
    <item>
      <title>The IPQ9574 and IPQ9554:which one is more suitable for your project?</title>
      <link>https://dev.t-firefly.com/thread-128329-1-1.html</link>
      <description><![CDATA[The IPQ9574 and IPQ9554 are both wireless networking system-on-chips (SoCs) designed by Qualcomm Technologies. Here are the main differences between them:Manufacturing process: The IPQ9574 is manufactured using a 10nm process, while the IPQ9554 uses  ...]]></description>
      <category>Core-3288J</category>
      <author>烟杪</author>
      <pubDate>Mon, 27 Mar 2023 01:26:06 +0000</pubDate>
    </item>
    <item>
      <title>RK3288 HDMI Ubuntu下没有声音</title>
      <link>https://dev.t-firefly.com/thread-125333-1-1.html</link>
      <description><![CDATA[用mpv 在hdmi上播放没有声音，
用命令行查看 没有发现hdmi audio


aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: rockchipfirefly [rockchip,firefly-codec], device 0: ff890000.i2s-ES8323 HiFi ES8323 HiFi-0 []
  Subdevices: 0/1
  Subd ...]]></description>
      <category>Core-3288J</category>
      <author>bluedrum</author>
      <pubDate>Thu, 03 Nov 2022 10:30:40 +0000</pubDate>
    </item>
    <item>
      <title>RK3288如何通过修改驱动或者一些配置方式使/dev/input/下的event事件权限默认为666</title>
      <link>https://dev.t-firefly.com/thread-118457-1-1.html</link>
      <description><![CDATA[不要用开机启动脚本那种，本人鼠标插入的时候，input下会自动创建event，拔掉就没了，因此有没有办法能使input下的event默认权限为666]]></description>
      <category>Core-3288J</category>
      <author>刘小鸭</author>
      <pubDate>Fri, 25 Mar 2022 03:19:32 +0000</pubDate>
    </item>
    <item>
      <title>RK3288Android7.1如何更改设置里关于平板电脑状态里的内容</title>
      <link>https://dev.t-firefly.com/thread-115959-1-1.html</link>
      <description><![CDATA[不想从底层修改，想直接从上层修改，即只修改显示的内容，包括型号：内核版本，版本号。比如他默认型号为rk3288,我想让其显示为小霸王学习机。不改变底层的东西，有大佬会这个吗]]></description>
      <category>Core-3288J</category>
      <author>刘小鸭</author>
      <pubDate>Sat, 26 Feb 2022 06:51:57 +0000</pubDate>
    </item>
    <item>
      <title>android9.0以上版本移植pmic</title>
      <link>https://dev.t-firefly.com/thread-115200-1-1.html</link>
      <description><![CDATA[请问各位大神们有在android9.0以上版本一直过pmic吗，因为在android7之后，pmic这一块的框架基本变了，所以有大神们在android9.0以上版本移植过pmic吗，教教小弟，非常谢谢]]></description>
      <category>Core-3288J</category>
      <author>真心朋友</author>
      <pubDate>Wed, 22 Dec 2021 03:17:49 +0000</pubDate>
    </item>
    <item>
      <title>RK3288 nfs挂载firefly img导出的rootfs</title>
      <link>https://dev.t-firefly.com/thread-114873-1-1.html</link>
      <description><![CDATA[从firefly img导出的rootfs，重新制作成img烧录进开发板，没问题，可正常登录，但是用nfs挂载启动这个rootfs出现好几个问题。看起来好像是没有写权限。有没有小伙伴成功挂载firefly img的rootfs，请指教一下，以下是nfs系统启动的打印
[    8.432458]   No soundcards  ...]]></description>
      <category>Core-3288J</category>
      <author>xuliyu</author>
      <pubDate>Thu, 18 Nov 2021 03:20:15 +0000</pubDate>
    </item>
    <item>
      <title>制作ubuntu18.04 rootfs apt 出问题</title>
      <link>https://dev.t-firefly.com/thread-114822-1-1.html</link>
      <description><![CDATA[xrd@xrd:/media/disk/d/xly/c_rk3288_20211108/temp6$ sudo chroot ./
root@xrd:/# apt update
qemu: Unsupported syscall: 384
Error in GnuTLS initialization: Failed to acquire random data.
qemu: Unsupported syscall: 384
Error in GnuTLS initialization: ...]]></description>
      <category>Core-3288J</category>
      <author>xuliyu</author>
      <pubDate>Thu, 11 Nov 2021 02:36:28 +0000</pubDate>
    </item>
    <item>
      <title>Android底层开发实战.pdf分享</title>
      <link>https://dev.t-firefly.com/thread-104694-1-1.html</link>
      <description><![CDATA[链接：https://pan.baidu.com/s/13_uf9T5M79SOCAG0_YoRWA  提取码：qjpz]]></description>
      <category>Core-3288J</category>
      <author>18660566472</author>
      <pubDate>Tue, 07 Sep 2021 06:57:32 +0000</pubDate>
    </item>
    <item>
      <title>rk3288短接哪里可以达到按下恢复键和复位键的效果</title>
      <link>https://dev.t-firefly.com/thread-104588-1-1.html</link>
      <description><![CDATA[在使用rk3288的设备上没有按键，要短接CPU哪里针脚才能进入恢复模式？]]></description>
      <category>Core-3288J</category>
      <author>ImMrSky</author>
      <pubDate>Fri, 20 Aug 2021 03:18:08 +0000</pubDate>
    </item>
    <item>
      <title>RK3288J  android系统 串口缓冲区问题</title>
      <link>https://dev.t-firefly.com/thread-104571-1-1.html</link>
      <description><![CDATA[设备给主板发送数据612字节，android打印出来的接收的最大数据量好像是105
请问这个是哪里的问题，我看了串口的驱动代码，DMA的缓存是8k，理论上来说不应该出现这样的问题
请版主帮忙看下什么问题]]></description>
      <category>Core-3288J</category>
      <author>xsxkair</author>
      <pubDate>Wed, 18 Aug 2021 03:45:47 +0000</pubDate>
    </item>
    <item>
      <title>预置apk到android系统后，无法使用adb install来更新升级该apk</title>
      <link>https://dev.t-firefly.com/thread-103712-1-1.html</link>
      <description><![CDATA[把apk放到device/rockchip/rk3288/preinstall目录下，预置apk到android系统后，无法使用adb install来更新升级该apk，请问是怎么回事呢]]></description>
      <category>Core-3288J</category>
      <author>yyjsword</author>
      <pubDate>Wed, 09 Jun 2021 03:54:58 +0000</pubDate>
    </item>
    <item>
      <title>Core-RK3288J无限重启</title>
      <link>https://dev.t-firefly.com/thread-103689-1-1.html</link>
      <description><![CDATA[[    4.418267] ch341 1-1.4:1.0: ch341-uart converter detected
[    4.425379] usb 1-1.4: ch341-uart converter now attached to ttyUSB0
[    4.431705] dwmmc_rockchip ff0d0000.dwmmc: 1 slots initialized
[    4.437869] dwmmc_rockchip ff0f0000.dwmmc: ID ...]]></description>
      <category>Core-3288J</category>
      <author>chhleo</author>
      <pubDate>Thu, 03 Jun 2021 03:26:13 +0000</pubDate>
    </item>
    <item>
      <title>请问 PGRS有对应的开关API么</title>
      <link>https://dev.t-firefly.com/thread-103492-1-1.html</link>
      <description><![CDATA[请问 PGRS有对应的开关API么]]></description>
      <category>Core-3288J</category>
      <author>xsxkair</author>
      <pubDate>Tue, 11 May 2021 02:01:31 +0000</pubDate>
    </item>
    <item>
      <title>3288j wifi打不开，求助</title>
      <link>https://dev.t-firefly.com/thread-103489-1-1.html</link>
      <description><![CDATA[[   96.865977] dhd_net_bus_devreset: dhd_bus_devreset: -35
[   96.866044] wifi_platform_set_power = 0
[   96.866064] ======== PULL WL_REG_ON(-1) LOW! ========
[   96.866077] [WLAN_RFKILL]: rockchip_wifi_power: 0
[   96.969446] [WLAN_RFKILL]: wi ...]]></description>
      <category>Core-3288J</category>
      <author>xsxkair</author>
      <pubDate>Mon, 10 May 2021 03:45:12 +0000</pubDate>
    </item>
    <item>
      <title>3288j android 4G 求助</title>
      <link>https://dev.t-firefly.com/thread-103485-1-1.html</link>
      <description><![CDATA[插了SIM卡，有信号，但是信号上有个叹号，是不是要添加APN]]></description>
      <category>Core-3288J</category>
      <author>xsxkair</author>
      <pubDate>Sat, 08 May 2021 09:29:10 +0000</pubDate>
    </item>
    <item>
      <title>无法同步更新3288 android5.1 源码</title>
      <link>https://dev.t-firefly.com/thread-102864-1-1.html</link>
      <description><![CDATA[提示： git pull bitbucket Firefly-RK3288:Firefly-RK3288
fatal: unable to access \'https://bitbucket.org/T-Firefly/firenow-lollipop.git/\': gnutls_handshake() failed: Handshake failed]]></description>
      <category>Core-3288J</category>
      <author>lm_JeW69</author>
      <pubDate>Thu, 10 Dec 2020 07:20:34 +0000</pubDate>
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