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Unable to use GPIO pin 12 as output

Started by netiness, Oct 13 2013 05:01 PM

Best Answer Chris Walker, 14 October 2013 - 12:40 AM

Hi Kjetil, Cpu.Pin.GPIO_Pin12 refers to pin 12 on the microcontroller, rather than to digital pin header D12. Try this instead: Pins.GPIO_PIN_D12 Does that get you up and running? Chris Go to the full post

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2 replies to this topic

#1 netiness

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LocationNorway

Posted 13 October 2013 - 05:01 PM

Hello all,

I'm all very new to this, so please excuse a beginner for asking questions; I've only had the NP2 for a couple of weeks.

I was under the impression that any pin could be used for gpio, but if I try to use Pin 12 for output, the NP2 crashes - so hard that I have to reflash the firmware. Also, if I remove the USB cable before Visual Studio times out the connection I am greated with a BSOD.

This statement stop everything for me:

public OutputPort SpindlePort = new OutputPort(Cpu.Pin.GPIO_Pin12, false);

Pin 13 is OK to use, but is there any reason for me not being able to use Pin 12 as I want to (or do I have to disable something since this pin belongs to the SPI interface) ?

Regard,

Kjetil

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#2 Chris Walker

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7767 posts

LocationNew York, NY

Posted 14 October 2013 - 12:40 AM Best Answer

Hi Kjetil, Cpu.Pin.GPIO_Pin12 refers to pin 12 on the microcontroller, rather than to digital pin header D12. Try this instead: Pins.GPIO_PIN_D12 Does that get you up and running? Chris