无线模块/嵌入式核心板/片上系统/物联网解决方案 https://digiwiki.eccee.com/ 2026-11-04T11:58:14+00:00 https://digiwiki.eccee.com/ https://digiwiki.eccee.com/_media/wiki/dokuwiki.svg text/html 2026-11-02T14:50:58+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/sidebar?rev=1793631058&do=diff Digi产品线Wiki * 无线模块和网关 * XBee系列 * XBee@ ZigBee 3.0 * XBee@ 900HP * XBee@ SX/XTC * XBee@ XR * XBee@ LTE 4G/LTE-M/NBIoT * XBee网关 * 嵌入式核心模块 * ConnectCore 6UL * ConnectCore 6/6+ * ConnectCore MP1 * ConnectCore MP2 * ConnectCore 8M Nano * ConnectCore 8M Mini * ConnectCore 8X * ConnectCore 93 * Embedded Linux * Android * Windows Embedded * 无线路由器 * IX20 * IX30 * IX40 * TX系列 * 串口/USB网关设备 * 串口服务器 * 终端服务器 * USB网关 * 其它 * Digi设备云 … text/html 2026-07-06T07:41:18+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/arm-embedded/linux/dey/firmware-update/uuu?rev=1783323678&do=diff sudo apt install uuu sudo sh -c “uuu -udev >> /etc/udev/rules.d/70-uuu.rules” sudo udevadm control --reload uuu FB: flash boot1 tf-a-ccmp25-dvk-optee-emmc.stm32 uuu FB: flash boot2 tf-a-ccmp25-dvk-optee-emmc.stm32 uuu FB: flash metadata1 metadata-ccmp25-dvk.bin uuu FB: flash metadata2 metadata-ccmp25-dvk.bin uuu FB: flash fip-a fip-ccmp25-dvk-optee-emmc.bin uuu FB: flash fip-b fip-ccmp25-dvk-optee-emmc.bin text/html 2026-01-13T15:14:53+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/arm-embedded/ccmp2/ccmp25recovery?rev=1768317293&do=diff 恢复您的CCMP25设备 如果模块内置的eMMC中擦除引导加载程序（或使用无效映像写入）时，目标板将无法启动，这时则可以从其他介质引导目标板启动，然后在uboot界面中更新eMMC闪存中的启动镜像或是完整卡刷包。为了在加载uboot后，能使用卡刷包，请把带有正确镜像的卡刷包解压到U盘或是SD卡中（注意SD卡要用FAT32，并且不要用过大的扇区） text/html 2025-09-18T10:46:17+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/request-support/tempurl?rev=1758192377&do=diff temp down link : sudo apt install openvpn openvpn-systemd-resolved text/html 2025-09-18T03:44:06+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/?image=digi%3Arequest-support%3Atest_softlink.zip&ns=digi%3Arequest-support&rev=1758167046&tab_details=history&media_do=diff&do=media <img src="https://digiwiki.eccee.com/lib/images/fileicons/svg/zip.svg" alt="test_softlink.zip" loading="lazy" width="500" height="500" /> text/html 2025-08-06T10:07:42+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/arm-embedded/ccmp2/ccmp25plc?rev=1754474862&do=diff ccmp25plc optee处理 在ccmp25plc第一版ST官方设计中，GPIO使用了PH4,PZ2这两个引脚，其中早期的Digi设备树中，这两个引脚在optee中被配置为安全的GPIO引脚， <https://github.com/digi-embedded/optee_os/blob/4.0.0/stm/maint/core/arch/arm/dts/ccmp25-dvk-rif.dtsi#L487> <https://github.com/digi-embedded/optee_os/blob/4.0.0/stm/maint/core/arch/arm/dts/ccmp25-dvk-rif.dtsi#L559> 如果你打算将它们用作普通GPIO引脚，可以将两者的代码更改为非安全模式（只需复制它们相邻行的参数）。… text/html 2025-08-06T03:29:34+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/arm-embedded/ccmp2/overlay?rev=1754450974&do=diff #### 设备树覆盖overlay 如果需要用bitbake来编译，设备树源码是通过：meta-custom/recipes-kernel/linux /linux-dey_%.bbappend 来拉取ccmp25_dt的ccmp25plc分支,  但如果不改meta-custom中这个bbappend，相关的ccmp25_dt也只是在tmp/work/ccmp25_dvk-dey-linux/linux-dey/6.6/ccmp25_dt中，而不会在devshell的kernel source目录下，因此还是要改meta-custom text/html 2025-07-08T01:02:20+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/arm-embedded/ccmp2/mipiwifi?rev=1751936540&do=diff MIPI WiFi camera 测试 使用镜像 ccmp25-rtsp deyaio-manifest的rtsp分支，用rtsp.xml，使用meta-custom的rtsp分支 DEY 5.0 r1 测试 默认相关视频流没有输出到本地显示接口，而是通过Wifi传输，如需同步进行本地显示，默认使用HDMI。 果要用lvds, 在uboot下 text/html 2025-07-07T15:58:51+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/digi/arm-embedded/linux/dey/wifi/us-china?rev=1751903931&do=diff 在Wi-Fi 6的允许信道中，美国区域可用而中国区域不可用的信道如下： 2.4 GHz频段 信道12和13：美国允许使用，但中国不允许使用。 5 GHz频段 信道96、100、104、108、112、116：美国允许使用，但中国禁止使用。 信道120、124、128：美国允许使用，但中国禁止使用。 信道132、136、140：美国允许使用，但中国禁止使用。 信道144：美国允许使用，但中国禁止使用。 6 GHz频段 信道97、101、105、109、113：美国允许低功率使用，但中国禁止使用。 信道117、121、125、129、133、137、141、145、149、153、157、161、165、169、173、177：美国允许低功率使用，但中国禁止使用 6 GHz频段低功率 在美国，6 GHz频段的低功率（Low Power Indoor，LPI）设备的EIRP（等效全向辐射功率）限制为5 dBm/MHz。例如，当使用20 MHz的信道带宽时，最大EIRP为18 dBm；使用40 MHz时为21 dBm；使用80 MHz时为24 dBm。 此外，还有超低功率（Very Low… text/html 2025-05-23T07:09:48+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/?image=digi%3Aarm-embedded%3Accmp2%3Apasted%3A20250523-150948.png&ns=digi%3Aarm-embedded%3Accmp2%3Apasted&rev=1747984188&tab_details=history&media_do=diff&do=media <img src="https://digiwiki.eccee.com/_media/digi/arm-embedded/ccmp2/pasted/20250523-150948.png?w=500&amp;h=500&amp;tok=e09384" alt="20250523-150948.png" loading="lazy" width="500" height="500" /> text/html 2025-03-31T12:16:25+00:00 robin (robin@undisclosed.example.com) https://digiwiki.eccee.com/?image=digi%3Aarm-embedded%3Accmp2%3Apasted%3A20250331-201625.png&ns=digi%3Aarm-embedded%3Accmp2%3Apasted&rev=1743423385&tab_details=history&media_do=diff&do=media <img 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