alphabetic keypad using 8051

[~~jazz~~]

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

[nikhiljain]

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

[Dexter]

 

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

[Author]

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