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am5726 sysbios调度时钟,系统节拍的配置问题

Other Parts Discussed in Thread: SYSBIOS, AM5726

如题,am5726平台,sysbios版本:bios_6_52_00_12

我们自制的板子没有用官方评估版的19.2m晶振,使用的是20m晶振。发现Task_sleep函数延时不准。不准的比率恰好和晶振的比率相同。

请问,sysbios的系统节拍定时器如何设置,是在linux下做的初始化,还是在dsp侧。系统默认的节拍定时器是GPtimer5吗?