Ttelmah
Joined: 11 Mar 2010 Posts: 19513
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Posted: Wed Jan 19, 2011 4:42 am |
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It could be anything....
Bit like saying "my car won't work". Could range from flat battery, through 'no fuel', onto much more major problems.
Start simpler.
Just do a 'toggle one pin' test program.
Then test if the pin toggles.
If it does, move on, and check the timing of the toggling.
Only once you have a pin toggling at the expected speed, go on to trying serial.
If it doesn't toggle, you are looking at fundamental things, connections, power etc..
Best Wishes |
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