The repository is the seeed studio's RPI hats driver. - Seeed-Studio/pi-hats ...

在RK3588平台上，GPIO的使用非常灵活，既可以通过内核提供的sysfs接口进行控制，也可以通过debugfs进行调试。这里我们使用较为简单的用户空间控制GPIO的方法，通过配置GPIO为输出模式，向其… ...

DebugFS support for datapath statistics WCN7850: support for Wake on WLAN Driver updates Support for Shared Memory (shm) Bridge is added, which provides a stricter interface for handling of buffers ...

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Many communication methods between Kernel and User Space in Linux operation system are simply illustrated in this paper. It includes Kernel Boot Parameters, Module Parameters and Sysfs, Sysctl, System ...

gpio-66 ( |GTP_ANA_PORT ) out lo 如果debugfs没有挂在，使用下面命令挂载 mount -t debugfs none /sys/kernel/debug 五、总结 实际上，GPIO编写还是很简单的，驱动不论多复杂，最终都还是由这些基本的函数来实现的， ...

TLDR：建议收藏，需要时查阅。 如果你只是需要快速使用工具来进行问题排查，包括但不限于函数调用栈跟踪、函数调用子函数流程、函数返回结果，那么推荐你直接使用 BCC trace [1] 或 Brendan Gregg [2] 封装的 perf-tools [3] 工具即可 ...

A privilege-escalation vulnerability Microsoft’s Azure Functions cloud container feature could ultimately allow a user to escape the container, according to researchers.

Faced with a broken USB dongle for our wireless devices, most of us would likely bin the part and order a replacement, after all the diminutive size of those things probably means hard to impossibl… ...