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#include <stdio.h>
#include "pico/types.h"
#include "pico/time.h"
#include "pico/stdio.h"
#include "keypad.hpp"
int main() {
uint col_pins[4] = {6, 7, 8, 9};
uint row_pins[4] = {16, 17, 18, 19};
char keypad_chars[4][4] = {
{'1', '2', '3', 'A'},
{'4', '5', '6', 'B'},
{'7', '8', '9', 'C'},
{'*', '0', '#', 'D'}
};
Keypad keypad(row_pins, col_pins, keypad_chars);
stdio_init_all();
while(true) {
char key = keypad.getKey();
if(key != '\0')
printf("%c\n", key);
busy_wait_ms(150);
}
}
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