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Author Topic: changing clock/date setting on Real Time Clock pcf8563 [solved]  (Read 662 times)
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UKHeliBob
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« Reply #15 on: January 21, 2013, 03:42:34 am »
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Think about what value min has in the changeTime function just before rtc.setTime(hour, min,sec)
Looks to me that it will always be 20. 
Is that what you want or do you want it to be the value you set it to by pressing the button ?
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PaulS
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« Reply #16 on: January 21, 2013, 05:35:49 am »
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On each pass through loop(), you are testing whether the switch connected to minButton is pressed. If it is, you set the time to 5:30:14, then increment the min variable and return.

You need to move the local variables hour, min, and sec from the function to global space.

Then, you need to call setTime AFTER incrementing min.
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mark7w
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« Reply #17 on: January 21, 2013, 02:37:06 pm »
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Thanks to all. I have it working now.

This last bit solved the issue.
Quote from: PaulS on January 21, 2013, 05:35:49 am
On each pass through loop(), you are testing whether the switch connected to minButton is pressed. If it is, you set the time to 5:30:14, then increment the min variable and return.

You need to move the local variables hour, min, and sec from the function to global space.

Then, you need to call setTime AFTER incrementing min.

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