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i need source code of keypad, LCD, sent into my web site
If you really can't work that out for just a 7-line code extract, how far would you actually get with the complete code?!
where is function key_bleep.mp3 plz?
As I said in my first answer, there is NO WAY anyone can help you any the slightest until YOU KNOW what YOU NEED and explicitly mentions it.
I can't just tell you: Buy new tires for my car. You must specifically receive dimensions, load requirements and speed requirements to be able to buy any tires that will fit and will be legal to use.
We can not help you with code for a keyboard or an LCD or for playing sound without having any the slightest information about your hardware. That should be quite obvious. The code to scan a keyboard on a Sony Ericson K750i mobile phone can not scan the keyboard on a Dataman S4 eprom programmer.
The source code must be explicitly written for the used hardware. That should be obvious. Without answering the questions in my original mail, there is no way anyone can help you.
By the way, why do you specifically need to play MP3 when someone presses a key? Note that most embedded processors don't have enough speed to be able to decode MP3 music, unless the chip has an MP3 hardware decoder built in. Most people who need a keyboard sound adds a piezo speaker - either one that has built-in tone generation, or one where the processor must generate the beep frequency.
You have to realize that embedded development really requires YOU to think. We can not think for you. Until you start to think and supply actual facts, there is no use to bother about your posts. They will just be meaningless noise.
why you only give half code? i want code for project plz.
HOW DO I PUT A BINARY NUMBER INTO THE C CODE?
I TRY OB1O1OIOI1 BUT GET ERROR?
"I TRY OB1O1OIOI1 BUT GET ERROR?"
What 'C' textbook, compiler manual, or language reference led you to believe that you'd get anything else?!