Serial output from BS2 to Windows Command Prompt?

Waruma

Hello All,

Is it possible to output a serial string from a BS2 and receive it in the Windows Command Prompt? I'm familiar with the SEROUT command, but I don't know if it's possible to input into anything other than the debug terminal.

Thanks,

Waruma

Franklin

You can input into any program that understands serial input from the com ports. BASIC, c, c++, Pascal, Python and others do.

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- Stephen

Waruma

Thanks Stephen - does the windows command prompt not interpret serial commands sent through the serial port?

Franklin

Only if you write a script to do that. It usually takes its input from the keyboard. There used to be a command like " copy con: com1: " or something similar that would switch input to the com port. You might try Google for command line syntax.

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- Stephen

Waruma

Okay.· If I write a C++ code to interpret signals sent by the BS2, then I can input any serial string into my computer via the serial port.· In poking around online, I found something called a MAX232.· Will I need this to allow my BS2 to talk to my computer's serial port?

Mike Green

Yes, a MAX232 will translate the BS2's 5V logic levels to the RS232 voltage levels needed for the serial port.

Download the datasheet from Maxim (do a web search for their website) for sample circuits. It's a commonly used device, so there are lots of examples on the web.

Franklin

If you have a working connection (the debug window) you don't need any other hardware to start. The com port you are programming the stamp with is communicating with the PC.

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- Stephen