tim007 tim007 / Mbed 2 deprecated LV8-Grupa6-Tim007-zad2

Armin Klačar Josip Kvesić

Dependencies:   mbed

main.cpp

Committer:
tim007
Date:
2014-05-08
Revision:
0:93a79d0fe805

File content as of revision 0:93a79d0fe805:

#include "mbed.h"
Serial pc (USBTX, USBRX);
BusIn columns(dp9,dp10,dp11,dp13);
BusOut rows(dp2, dp1, dp28, dp6);
Timer deb;

char button(){
    char character[16] = {'1','2','3','A','4','5','6','B','7','8','9','C','*','0','#','D'};
    for(int i = 0; i <= 3; i++)
    {
        rows = (1 << i);
        for(int j = 0; j <= 3; j++)
            if(columns == (1 << j)){
                if (deb.read_ms()<400) return NULL;
                deb.reset();
                return character[ i * 4 + j ];
                }
    }
    return NULL;
    }
void display(){
    char c = button();
    if (c==NULL) return;
    if (c=='*') pc.putc ('\n');
    else pc.putc (c);
    
    }
int main() {
    rows=0;
    deb.start();
    while(1){display();}
}