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Testing the RTC with the AVR Simulator

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ProfJannes

Posted: Mar 13, 2012 - 12:04 PM

Newbie

Joined: Feb 15, 2012
Posts: 9

Hi, I am waiting for hardware to arrive, so until then I have to code 'blind'. I am trying to test my RTC code, but the:

Code:

OSC_RC32KRDY flag is never set to one (no stable clock)

I enable the 32.768 kHz internal clock by using the following (I have checked to see if the bit is set high)

Code:

OSC.CTRL = OSC_RC32KEN_bm;

Any tips on how to test the RTC with AVR Simulator would be great.

~ Jannes

GTKNarwhal

Posted: Mar 14, 2012 - 01:41 AM

Hangaround

Joined: Apr 29, 2011
Posts: 207
Location: Portland, OR, US

Code:

OSC.CTRL = OSC_RC32KEN_bm;

Ouch! That's going to turn off all other clocks, including the RC2M clock (the default system clock source). This should work better:

Code:

OSC.CTRL |= OSC_RC32KEN_bm;

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Gamu The Killer Narwhal
Portland, OR, US
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