arm按键-阿里云

案例分享：Qt+Arm+Fpga医疗肾镜（又名内窥镜）（实时影像、冻结、拍照、白平衡、九宫格、录像、背光调整、硬件光源调整、光源手动自动调整、物理按键）

需求 1. 屏幕分辨率1920 x 1080； 2. 白平衡、冻结、自动背光、自动光源等功能；’ 2. 拍照功能，可设置拍照路径（U盘，SD卡，内置存储）； 3. 录像功能，可设置录像路径（U盘，SD卡，内置存储ÿ...

【ARM】s3c2440之gpio按键控制

功能通过GPIO，实现按键1点亮LED1，按键2点亮LED2…… 说明 1）因为2440的按键只涉及行，所以在扫描按键时比2410简单了很多 2）在进行移位操作之前，必须进行数据寄存器的初始化，否则会出错（硬件特性）源...

【ARM】按键·查询式控制led灯·fs2410

开发环境硬件平台：FS2410 主机：Ubuntu 12.04 LTS LED灯原理图按键原理图按键的接线资源 KSCAN0 -> GPE11 KSCAN1 -> GPG6&...

基于ARM-contexA9按键驱动开发

之前我们写过LED和蜂鸣器的驱动，其实那两个都是一个模版的，因为都是将IO口配置成输出模式，然后用高低电平来驱动这些设备。其实linux设备驱动，说白了跟单片机开发的方式是差不多的，只不过内核的开发基于各种框架，每个驱动会被编译成独立的模块，当需要它的时候就在上层打开设备后对其进行读写操作等等。&n...

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更新时间 2024-04-29 21:14:43

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