Everyone a great god, and I in a program to add two serial port control, at the same time to send and receive, send and receive only one normal, another test, but couldn't get into the interruption, disruption of Settings are the same, I also tried separately under the two machine are no problem, want to ask you a great god, what should I do? What need not to need to add in, note: one is the computer 9-pin serial ports, one is the USB serial port,

CodePudding user response:

Can have a try with two programs of each dry,