Simple library to use my PIC based keypad controller.
#include <inttypes.h>
#include <avr/common.h>
#include <avr/io.h>
#include "picMatrixKeypad.h"
//port selected must match header included.
#include "picPORTDirq.h"
int main(void)
{
initPICkeypad(&PORTD, PORTD4, PORTD3);
for(;;)
{
uint8_t value = 0;
value = getPICkeyValue();
}
}