งานปฏิบัติ 7

                                                 keypad







Code

#INCLUDE "LEDCONTROL.H"

#INCLUDE "KEYPAD.H"

CHAR KEYS[4][4]={

  {'7','8','9','A'},

  {'4','5','6','B'},

  {'1','2','3','C'},

  {'E','0','F','D'}};

BYTE ROWPINS[] = {7,6,5,4};

BYTE COLPINS[] = {3,2,1,0};

KEYPAD KEYPAD = KEYPAD(MAKEKEYMAP(KEYS),ROWPINS,COLPINS,4,4);

LEDCONTROL LC=LEDCONTROL(8,10,9,1); 

// PIN 8->DIN, 10->CLK, 9->CS(LOAD), 1 = NO.OF DEVICES

VOID SETUP() 

{

  LC.SHUTDOWN(0,FALSE);  

  LC.SETINTENSITY(0,5); 

  LC.CLEARDISPLAY(0);      

}

VOID LOOP() 

{

  CHAR KEY = KEYPAD.GETKEY();

  IF (KEY != NO_KEY)

  {

    LC.SETCHAR(0,0,KEY,FALSE);

  }

}