Such as title MFC can use MSCOMM into correspondence with serial assistants, but can't get a data and hardware

CodePudding user response:

To determine the hardware to send out the data? And open the serial port is right?

CodePudding user response:

You use a serial port first assistant and hardware debugging, make sure your hardware and communication protocol is normal

CodePudding user response:

Serial debugging is not recommended to hardware, from the start can be a virtual serial port, and then open your MFC and debugging assistant, you can know that you have sent, or send information right
Virtual Serial Port call the Configure Virtual Serial Port Driver, very good search, online is very easy to use

CodePudding user response:

Connection parameters were complete, a serial port assistant sometimes do not check what baud rate

CodePudding user response:

Configuration parameters need consistent,
Baud rate does not match, should be garbled

CodePudding user response:

On the multimeter, oscilloscope, logic analyzer, guanyin bodhisattva...