ngpio 表示控制器管理的gpio端口数量(端口范围是:N ~ N+ngpio-1) 二、用户空间gpio操作方法 1.进入/sys/class/gpio目录 cd /sys/class/gpio 1. 2.内核申请将某个gpio的控制权导出到用户空间, echo 19 > export 1. 3.看到出现gpio19的目录,进入该目录 cd gpio19 1. 4.设置gpi
51CTO博客已为您找到关于linux中gpio_request_irq方法的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及linux中gpio_request_irq方法问答内容。更多linux中gpio_request_irq方法相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术人实现成长和进步。
GPIO: Use uintptr_t for gpio_irq_api context The HAL gpio_irq_api stores object IDs, which serve as a form of context for the dispatch of the interrupt handler in the drivers level InterruptIn Class. The way this is achieved is that the InterruptIn Class casts its address to uint32_t...
target head (main):58bf51fa961319e5399cee3a71a560c42152af8d Diff Github labels List of changed files detected by CI (8) CODEOWNERS applications │ ├── sdp │ │ ├── gpio │ │ │ ├── CMakeLists.txt │ │ │ ├── src │ │ │ │ ├── hrt │ │ │ │ │ ├─...