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capture raw data in COM port

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joskem

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I have a Bluetooth transmitting device and my PC (Windows 7) is connected to it and configured as if it was connected through a RS232 serial port (COM4). How can I capture the raw data transmitted by the Bluetooth device, or, equivalently, the raw data received in COM4?
 

joskem said:
I have a Bluetooth transmitting device and my PC (Windows 7) is connected to it and configured as if it was connected through a RS232 serial port (COM4). How can I capture the raw data transmitted by the Bluetooth device, or, equivalently, the raw data received in COM4?
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you can write a code using win api and read it.
or test it with hyperterminal(get hyperterminal as win7 may not have it). configure com4 port and check the characters recd.
 

I think the problem here is that some application will already be using the COM port to use the bluetooth device (i.e. it the terminal software will not open it, because it is already open). I think joskem is asking how to "sniff" the data, without interacting with it. I'm not sure how to do that : (
EDIT: I noticed this URL but it's unclear if there was any decent solution that worked.
 

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