Firefly开源社区 - Core-3399-JD4 https://dev.t-firefly.com/forum-478-1.html Latest 20 threads of Core-3399-JD4 Copyright(C) Firefly开源社区 Discuz! Board by Comsenz Inc. Tue, 21 Apr 2026 15:54:22 +0000 60 https://dev.t-firefly.com/static/image/common/logo_88_31.gif Firefly开源社区 https://dev.t-firefly.com/ 原Android7.1系统无法刷新/升级新固件 https://dev.t-firefly.com/thread-139454-1-1.html Core-3399-JD4 zr@firefly Mon, 23 Mar 2026 08:41:06 +0000 在原有的3568的Linux 平台新增加一个分区，并将该分区对应的目录挂载到文件系统下 https://dev.t-firefly.com/thread-130629-1-1.html Core-3399-JD4 曹伟 Thu, 12 Sep 2024 08:15:04 +0000 大家用什么编译工具链？ https://dev.t-firefly.com/thread-130540-1-1.html Core-3399-JD4 zengqj Mon, 12 Aug 2024 07:14:21 +0000 新手求教，RKDevTool读不到设备了 https://dev.t-firefly.com/thread-130534-1-1.html Core-3399-JD4 zengqj Thu, 08 Aug 2024 10:43:52 +0000 rk3399-jd4公对公usb连接pc无法识别到端口 https://dev.t-firefly.com/thread-130216-1-1.html Core-3399-JD4 J1E Tue, 23 Apr 2024 09:58:50 +0000 rk3399开发板上使用ov13850摄像头设置4224*3136分辨率后fps只有7.5 https://dev.t-firefly.com/thread-129938-1-1.html Core-3399-JD4 xin_0.0 Mon, 08 Jan 2024 06:49:22 +0000 烧录Ubuntu之后 USB无法供电 https://dev.t-firefly.com/thread-129425-1-1.html Core-3399-JD4 chenll Fri, 28 Jul 2023 07:12:21 +0000 linux A/B模式 OTA升级 https://dev.t-firefly.com/thread-128827-1-1.html Core-3399-JD4 arm.liu Thu, 06 Jul 2023 08:47:07 +0000 求帮忙固件打包方法 https://dev.t-firefly.com/thread-128816-1-1.html Core-3399-JD4 Ruan1988 Wed, 05 Jul 2023 01:19:36 +0000 rk3399pro 以太网接收延迟怎么解决 https://dev.t-firefly.com/thread-128622-1-1.html Core-3399-JD4 zc3399pro Wed, 24 May 2023 08:34:06 +0000 .bundle/update报错 https://dev.t-firefly.com/thread-128590-1-1.html Core-3399-JD4 xupei Wed, 17 May 2023 13:06:01 +0000 网口eth0不能正常使用，内核打印这个可能是什么原因呢？ https://dev.t-firefly.com/thread-128540-1-1.html Core-3399-JD4 cw_firefly Tue, 09 May 2023 01:31:16 +0000 ubuntu wayland 桌面下 gstreamer问题 https://dev.t-firefly.com/thread-128440-1-1.html Core-3399-JD4 mnnn Tue, 18 Apr 2023 07:31:42 +0000 rk3399使用i2s0发现I2S_CLK（MCLK）波形不正常，导致无法播放声音 https://dev.t-firefly.com/thread-128092-1-1.html Core-3399-JD4 diyin Tue, 14 Feb 2023 12:57:59 +0000 尝试使用两路SPI接mcp2515分别转出两路CAN总线失败求助 https://dev.t-firefly.com/thread-128075-1-1.html Core-3399-JD4 lili_ Sat, 11 Feb 2023 07:33:36 +0000 Core-3399-JD4核心板 出厂默认程序重新烧写时无法烧写 https://dev.t-firefly.com/thread-125624-1-1.html Core-3399-JD4 dangjixiang Wed, 21 Dec 2022 10:44:39 +0000 3399-JD4手上静电导致核心板无法启动 https://dev.t-firefly.com/thread-125605-1-1.html Core-3399-JD4 Ginbo Tue, 20 Dec 2022 03:55:23 +0000 QT 操作LED Qfile权限不够 https://dev.t-firefly.com/thread-125426-1-1.html Core-3399-JD4 wx__uZaz4G Wed, 16 Nov 2022 10:18:39 +0000 驱动开发 https://dev.t-firefly.com/thread-125382-1-1.html Core-3399-JD4 Ditto Thu, 10 Nov 2022 01:40:32 +0000 售后支持 https://dev.t-firefly.com/thread-125362-1-1.html Core-3399-JD4 sweetliang Tue, 08 Nov 2022 00:50:02 +0000