/* Number of user configurable I/O pins */
#define PIN_MAX 11
-typedef enum {INPUT, INPUT_PULLUP, OUTPUT, OUTPUT_TIMER} pinmode_t;
+typedef enum {NONE, INPUT, INPUT_PULLUP, OUTPUT, OUTPUT_TIMER} pinmode_t;
int pin_config(int pin, pinmode_t mode);
pinmode_t pin_config_get(int pin);