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You are here: Home / Topics / alphabetic keypad using 8051

alphabetic keypad using 8051

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Microcontroller › 8051 › alphabetic keypad using 8051

  • This topic has 2 replies, 3 voices, and was last updated 13 years, 5 months ago by Dexter.
Viewing 3 posts - 1 through 3 (of 3 total)
  • Author
    Posts
  • December 19, 2011 at 6:47 am #1452
    ~~jazz~~
    Participant

    Hello,

             I’m new to 8051 microcontroller coding…Im facing some problems in understanding the code for alphabetic keypad. Can someone plz describe it a little bit in especially lcd_cmd() function…plzzzz

    P.S: the link is as follows:

    http://www.engineersgarage.com/microcontroller/8051projects/alphabetic-keypad-AT89C51-circuit

     

     

    I will be really thankful to you

    Regards

    December 30, 2011 at 10:28 am #6968
    nikhiljain
    Participant

    What is the problem your are facing.. In case you are new, please try some codes related to same and then try this one..

    December 30, 2011 at 1:12 pm #6971
    Dexter
    Participant

     

    lcd_cmd () function

     

    it is for setting the curser in desired position in the lcd 

     

    (0x01);            //clears the lcd display

    0x80);          //to make lcd cursor to bigining of first line

    (0x0f);          //to make lcd to select 5×7 matrix display

    (0x38);          //to make lcd

    (0xC0);        //sets display position in second  line

     

    i thing this will be helpfull to u

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