## Flowcode V4 Problem DS1307 ( I2C )

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Dan55
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Joined: Tue Mar 28, 2017 8:21 pm
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### Flowcode V4 Problem DS1307 ( I2C )

I do not speak English very well saddened then I have to make a personal project but I have a problem with my rtc. which is the DS1307 in I2C I do not arrive has to post(show) the seconds but the minutes and hours of posters as if secondes était block par les minutes merci d'avance pour les réponses je vous fait joindre mon FLOWCODE
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Last edited by EtsDriver on Wed Mar 29, 2017 5:12 am, edited 2 times in total.
Reason: Moved topic to correct area. Welcome to forums. For posting on v4 area please take a look at this http://www.matrixtsl.com/mmforums/viewtopic.php?f=29&t=8762 and end of support note http://www.matrixtsl.com/mmforums/viewtopic.php?f=29&t=14301

medelec35
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### Re: Flowcode V4 Problem DS1307 ( I2C )

Hi Dan55,
For your calculations you can use:

Code: Select all

`Second = (Second >> 4) * 10 + (Second & 15)Minut = (Minut >> 4) * 10 + (Minut & 15) `

Which converts BCD to Decimal.
Same format for when you add hours

Martin
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Benj (Wed Mar 29, 2017 12:22 pm)
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Martin

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