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| How to Use C's volatile Keyword http://forum.andestech.com/viewtopic.php?f=25&t=757 |
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| Author: | cindy [ Tue Nov 26, 2013 4:18 pm ] |
| Post subject: | How to Use C's volatile Keyword |
There are several articles to explain how to use C's volatile keyword. How to Use C's volatile Keyword http://www.barrgroup.com/Embedded-Syste ... le-Keyword Chinese articles: 【C語言內"volatile"的用法和功用】 http://blog.xuite.net/jackie.xie/bluelove/8189028 簡介C語言volatile關鍵字及其陷阱 http://adrianhuang.blogspot.tw/2011/08/cvolatile.html |
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| Author: | cindy [ Mon Dec 16, 2013 12:35 pm ] |
| Post subject: | Re: How to Use C's volatile Keyword |
Proper use of volatile A variable should be declared volatile whenever its value could change unexpectedly. In practice, only three types of variables could change: 1. Memory-mapped peripheral registers 2. Global variables modified by an interrupt service routine 3. Global variables accessed by multiple tasks within a multi-threaded application We'll talk about each of these cases in the sections that follow. Source: http://www.barrgroup.com/Embedded-Syste ... le-Keyword There are examples in the page. |
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