Moving Message Display

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Discussion in 'Embedded Systems and Microcontrollers' started by kvns.kapil, Oct 11, 2010.

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  1. Oct 11, 2010 #1
    kvns.kapil

    Thread Starter New Member

    Aug 31, 2010
    10
    0
    Hi,
    I am new to Embedded programming, My project is about moving message display in which i am using PIC 16F877A, 5x7 dot matrix display, DS1307 RTC.
    Already the program is written for this project, i wanted to change time from 24 hour format to 12 hour format. I am sending that code in attached file, please verify this one and suggest me the modifications.
    Please help me for this code...
    thanks...
     
    #1 Reply
  2. Oct 11, 2010 #2
    n1ist

    Senior Member

    Mar 8, 2009
    176
    17
    According to the DS1307 data sheet,
    So whenever you set the hours, or in 0x40. Whenever you read the hours, use bit 5 do decide whether to show "AM" or "PM".
    /mike
     
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  3. Oct 12, 2010 #3
    kvns.kapil

    Thread Starter New Member

    Aug 31, 2010
    10
    0
    Hi,
    I had changed bit 6 to high but i could not get the 12 hour mode, please could you modify the code and send me please.....
     
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  4. Oct 14, 2010 #4
    kvns.kapil

    Thread Starter New Member

    Aug 31, 2010
    10
    0
    Hello sir,
    how to set the bits to show "AM" or "PM"
     
    #4 Reply
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