如何通过方波从输入引脚触发中断

大家好，我是PSOC的新成员（我们在学校使用德克萨斯仪器板），我创建了一个项目，它来自一个来自机械产生的源（TAGH传感器）的方波，它每一次产生两个脉冲。我在读P之前设置了一个计数为2的中断。用两个脉冲来确定信号的频率。我已经尝试用这个来设置一个定时器的周期，它是一个WaveDac的时钟，它是输出信号，但是我不能通过一个方波输入的输入引脚来触发中断。我想我已经把它设置好了，但我不知道，因为我已经习惯了IAR嵌入式工作台，如果有任何人可以帮助我，我将永远感激。我确信这是一个愚蠢的东西，我看不出来。
WorkStudio01.CyWrk.CaseV02.Zip
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     以下为原文
  hello all I am new to the psoc (we use Texas instruments boards in school) I have created a project that takes in a square wave that comes from a mechanical generated source  (tach sensor) it generates two pulse's per one revolution.I have set up an interrupt that counts to two before it reads the period of the two pulses to determine the freq of the signal. I have tried to use this to set the period of a timer that in turns is the clock for a wavedac which is the output signal but I can not get the interrupt to trigger via a input pin that  the square wave is sent to. I think I have it set up right but I don't know as I am used to IAR embedded workbench if any body can help I would be forever grateful I am sure it is something stupid that I am over looking but I can not figure it out

•   Workspace01.cywrk.Archive02.zip 2.8 MB