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w5uxh

Member Since 17 Aug 2013
Offline Last Active Aug 15 2018 05:02 PM
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Topics I've Started

COM port pin assignments, NP2

11 September 2013 - 02:18 PM

Can anyone point me to documentation that identifies the mapping between device names like COM1 and COM2 etc. and the I/O pins of the Netduino Plus 2?

 

I can see in the schematic that D2/D3 are related to the chip USART2, and D7/D8 are related to the chip USART4, but I would guess there must be some specific documentation somewhere that tells me which pins are defined for COM1 and COM2?

 

In the Tech Specs, I also see the mapping between internal USARTs but it does not seem to agree with the schematic.  The Tech Specs say D2/D3 is UART2 and D7/D8 is UART3 (not UART4).  Perhaps I am getting confused looking back and forth.  But in some sample code I have found it appears I need to use COM1 type names.  I could use the scope and try to write code to wiggle pins for COM1 or COM2 but I hope there is some helpful documentation available for such things.

 

I have tried to search the forum and used general google searches but have not found this type of documentation so far.

 

Perhaps there are header files that provide a guide to such things?  I am new to the .NET environment so I am sure there are many fundamental pointers I still need to learn about.

 

Thanks.

 


2 netduinos / client-server pair?

17 August 2013 - 06:41 PM

I have only just become familiar with the netduinos, and have a very basic question (I hope).  

 

I have a homebrew embedded device using a Teensy++ 2.0 module that I interface over a serial port to a Mac Mini.  I have just begun working with (learning) Visual Studio /.Net / C# in order to migrate my Mac app to Windows.

 

The intention is to then remotely connect a pair of these devices (CW "Morse Code" Keyboards) over the net so that the serial ports are functionally connected together.  i.e. data out of one device is seen as input to the other and vice versa.

 

If a pair of netduino plus 2 could be used instead of PCs on both ends, that would really be interesting.

 

Can anyone comment if the netduinos might be a reasonable way to go?

 

If I think this is practical, I will then start to study the netduino environment in earnest.

 

Thanks,

 

Chuck

 


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