[ts-7000] XDIO question

["kvnherrera" <>]

Hi there, I've been working on the TS-7300 for a while, I need to use
the XDIOs as inputs, so I downloaded the XDIO API, that's provided on
the webpage, and It worked nice! But then I tried to use the same API
for a custom program, on mine on theory, I configure the DIO3 like an
input, and then I want to count up to a user selected number, my code
is this (well, I didn't include the licence and that stuf):


int main() {
        struct xdio xdio1,xdio2,*xd1=0,*xd2=0;
        long long min,ct;

/*
Here, I believe that the API is proving that the SBC is a TS-7300 or a
TS-7260 then, it activates the XDIO2 memory locations...
*/
        if (open_xdio(&xdio1,0)) {
                xd1 = &xdio1;
        }
        if (open_xdio(&xdio2,1)) {
                xd2 = &xdio2;
        }
        assert(xd1); 

 //set period clock to fast...
  printf("The period clock is: %d ns\n",setClockSpeed(xd1,1));

  setPinDirection(xd1,3,INPUT);         // I believe Xdio3 as input

//      Now to get the user number
        int i; // count
        printf ("Tell me the number:\n");
        scanf("%d", &i);

        int count = 0;
        int aux = 1;    //helper

        while (count < i)
        {
                if ( getPin(xd1,1) == HIGH ){
                        if (aux == 1){
                                usleep(500);
                                aux = 0;
                                count++;
                                printf( "the count is: %d\n", count);
                        }
                }
                else{
                        usleep(500);
                        aux = 1;
                }
        }
        printf("You are done ;)\n");

        return 0;
}

So when it's running, it just doesn't work. When I connect the pin to
GND, it stops the count, but when it's not, it begins to oscilate, I
asked about this behaviour and they theorized that it could be a
bounce, but now, I used a usleep so It doesn't seem like that... so
maybe my problem it's the circuit, so how should I connect this?


should I use a pull-up, or a pull-down resistors, and which resistor
values I must use (if yes), or how am I supposed to connect this?




 
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