| ??? 03/04/07 06:55 Read: times Msg Score: +1 +1 Good Answer/Helpful |
#134236 - how to Responding to: ???'s previous message |
Asif Ali said:
Well sir the X1,X2,X3 and X4 are the the directives and use for the Row of the Keypad.... and yes sir they are free to use any bit of the port :-) well sir i have used the Keil, and yes sir if there is any problem then this is the Whole program....
I did not have a detailed look at your code, but I suggest you take a look at this: http://www.dribin.org/dave/keyboard/one_html/ and then have a look at this: ROWS: SETB X1 ;CHECKING EVERY ROW BY MAKING IT "0" SETB X2 SETB X3 CLR X4 ;FIRST ROW=0 And lets not forget the link Peter has shown you. regards |
| Topic | Author | Date |
| Is there any better solution of Debouncing? | 01/01/70 00:00 | |
| specify | 01/01/70 00:00 | |
| probably | 01/01/70 00:00 | |
| ultimately | 01/01/70 00:00 | |
| no matter of defines | 01/01/70 00:00 | |
| clear or not? | 01/01/70 00:00 | |
| X1,X2,X3 and X4 are Output of Keypad | 01/01/70 00:00 | |
| The Whole Code sir :-) | 01/01/70 00:00 | |
| how to | 01/01/70 00:00 | |
| WoW what a complete guide... | 01/01/70 00:00 | |
| please explain | 01/01/70 00:00 | |
| debouncing algorithms | 01/01/70 00:00 | |
| Well sir thanks for your help i have got it.... | 01/01/70 00:00 | |
| my way | 01/01/70 00:00 | |
| better? who knows | 01/01/70 00:00 | |
| "help me" | 01/01/70 00:00 | |
first, second, third | 01/01/70 00:00 |