Coreonetech / Mbed 2 deprecated Nucleo_Keypad

keypad test for the CORE-1000

Dependencies:   mbed

main.cpp

Committer:
odb
Date:
2018-03-21
Revision:
6:902b4b31fb35
Parent:
2:b60cb847489c

File content as of revision 6:902b4b31fb35:

#include "mbed.h"

DigitalOut clkout(PA_8);
DigitalIn keyin(PB_4 );
Serial pc(USBTX, USBRX);
int oldkey;
int getkey(void)
{
    int cnt;
    int num = 0;
    for(cnt = 1; cnt < 17; cnt++)
    {
        clkout = 0;
        if(keyin == 0)   
        num = cnt;
        clkout = 1;
    }     
     printf("num = %d \n\r", num);     
    return num;
}
int main() {
    pc.baud(115200);
    while(1) {
        int newkey = getkey();
        printf("key pressed = %d \n\r", newkey);
        oldkey = newkey;
        wait(0.2);
    }
}