本文将在Linux驱动入门（五）阻塞方式实现按键驱动的基础上，使用定时器消除按键抖动 一、为什么要消抖？ 对于没有做硬件消抖的按键，在按下按键到电平稳定期间，会有一段抖动，此时电平会在高电平和低电平不断地跳动 如果我们的按键中断采用下降沿 ...

[导读] An interrupt is an internal or external event that requires quick attention from the controller. The PIC32MZ architecture provides a rich interrupt system that can manage up to 190 sources of ...

[导读] Watchdog is a very necessary module for embedded system. Someone said that embedded system operates without watchdog enabled just like the car without air ...