
零基础教你用MFC写一个应用小程序
摘要:前两天一个学妹问我,说她想做串口调试助手当做毕业设计,老师告诉她说用MFC去做,还给了他相关的代码。问我知道MFC吗?(我只知道KFC)然后我跟她说你老师为啥要让你用MFC,你学过C++,直接用QT不可以吗?我这里有关于QT的相关代码...
摘要:前两天一个学妹问我,说她想做串口调试助手当做毕业设计,老师告诉她说用MFC去做,还给了他相关的代码。问我知道MFC吗?(我只知道KFC)然后我跟她说你老师为啥要让你用MFC,你学过C++,直接用QT不可以吗?我这里有关于QT的相关代码...
摘要:搞嵌入式的一般都是软硬件结合,软件不用说了从C语言到裸机再到RTOS,最后到Linux都要学,那么搞硬件要学啥呢?最关键的两点就是电源和运放,把电源和运放玩好了,基本硬件也就内啥大问题。当然如果不是专业搞硬件,运放其实用到的不多,更多...
摘要:在看别人单片机程序时,你也许是奔溃的,因为全局变量满天飞,不知道哪个在哪用了,哪个表示什么,而且编写极其不规范。自己写单片机程序时,也许你也是奔溃的,总感觉重新开启一个项目,之前的写过相似的代码也无法使用,得重新敲,代码重用度不高。编...
摘要:在标准库开发中很少遇到回调函数,但是在HAL库开发中经常要使用到回调函数,不知你是不是也有这样的疑惑,我们为什么需要回调函数这个概念呢?直接调用函数不就可以了?回调函数到底有什么作用?程序员到底该如何理解回调函数? 这篇文章就来为你解...
摘要:串口是通信中最常用的通信方式,可能写串口的驱动,能写几十种方法, 查询方式,中断方式, DMA方式,定时器方式。可能也其中几种方式的组合形式,经典的用法是: 发送用查询方式, 接收用中断方式,或者DMA+空闲中断。 本篇不讲串口是啥,...
摘要:今年实验室来了三个学妹,其中一个学妹以前是物联网专业的,进了实验室老师二话没说:先把STM32单片机过一遍,有啥问题就找小师弟。还好单片机小师弟会玩一点点,玩的也不好,所以一起学写吧!邪魅一笑! 上来第一个例程就是使用按键点亮一个LE...
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