Worry ah, bosses give me a hand, please instruct me,

CodePudding user response:

Assembly didn't, C is you can use simple implementation,
Use timer interrupt, timer T0 works 1, 50 milliseconds overflow, overflow generate an interrupt, 20 times using digital tube countdown display switch different directions of traffic,

CodePudding user response:

This is too simple, before yesterday I have a full set of data, just get away with IT yesterday, principle, just with the upstairs said