Rune Langoy / KeypadLib

4x4 Keypad easy to use library that pollis the interface width pullups

Dependents:   4x4KeyBoardExample xoxokey 4x4KeyBoardExample ProgettoCassaforte ... more

Fork of keypad by Dimiter K

You are viewing an older revision! See the latest version

Homepage

Program for reading keyboard keys on the NUCLEO303RE board:

  1. include "mbed.h"
  2. include "keypad.h"

Serial pc(USBTX, USBRX);

int main() { c0 c1 c2 c3 r0 r1 r2 r3 Keypad keypad( PC_3,PC_2,PA_0,PA_1,PA_4,PB_0,PC_1,PC_0 );

keypad.enablePullUp(); char key; pc.printf("Please touch a key on the keypad\n\r"); while (1) { key = keypad.getKey(); if(key != KEY_RELEASED) { pc.printf("%c\r\n",key); wait(0.6); } } }

All wikipages