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Posted: **Tue Mar 28, 2017 9:29 pm**

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

Posted: **Wed Mar 29, 2017 12:16 pm**

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

Matrix user forums

Flowcode V4 Problem DS1307 ( I2C )

Flowcode V4 Problem DS1307 ( I2C )

Re: Flowcode V4 Problem DS1307 ( I2C )