OMAPL138在裸机情况下通过CCS调试ARM端的IO口的速度很低不到1M,后来分析代码简化了些步骤但还是4M左右,请问是什么原因?
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OMAPL138在裸机情况下通过CCS调试ARM端的IO口的速度很低不到1M,后来分析代码简化了些步骤但还是4M左右,请问是什么原因?
#1. PRU开发可以参考TI wiki网页P部分:http://processors.wiki.ti.com/index.php/Category:OMAPL1, 也可以参考一下总结文章:http://www.ti.com.cn/cn/lit/an/zhca528/zhca528.pdf
PRU开发包下载:http://processors.wiki.ti.com/index.php/Programmable_Realtime_Unit_Software_Development
#2. GPIO的速度相信你自己测的就好了。