频率计的设计报告，提供给大家，共享一下，望能解决大家的燃眉之急-Cymometer design reports to the public, sharing that we hope can solve the urgent needs

频率计程序，用计周期的个数来实现。程序有些繁琐希望有高手来简化和修改-Cymometer procedures, with the number of cycles of dollars to achieve. Some hope that the cumbersome procedure with a master changes to simplify and

c的功底真的不错 跟硬件也有很大关联。 用虚拟声卡制作频率计-the foundation really good with the hardware have great relevance. Virtual sound production Cymometer