For a c language program
Function description:

Timing 9 s largest; Using two buttons, the realization of stop/start and reset the function

The detailed functions:

A. timing starts to electricity, the accuracy for s,

B. stop/start function: after power on, press the button for the first time, suspend meter. When press again, continue to timing, button press release (without) is effective,

C. reset function: the timing mode, press the reset button, the timing reset, timing and suspended state, press the reset button, timing, is still in the suspended state, buttons to press the release (without) to take effect,

CodePudding user response:

I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10581430.html
I hope it can help you: https://blog.csdn.net/it_xiangqiang/category_10768339.html