Refactor button

1 files changed, 6 insertions, 7 deletions

diff --git a/src/button.c b/src/button.c
index 34d799c..dc52265 100644
--- a/src/button.c
+++ b/src/button.c
@@ -1,18 +1,14 @@
 #include <avr/io.h>
 #include <stdint.h>
 
-#include "avr/interrupt.h"
 #include "button.h"
 #include "rtc.h"
 
-bool is_button_active = false;
-
-uint16_t button_tick_count = 0;
-
-ISR(PCINT0_vect, ISR_FLATTEN) { button_tick(); }
+enum ButtonState check_button_state();
 
 void button_tick() {
-  switch (check_button_state()) {
+  enum ButtonState button_state = check_button_state();
+  switch (button_state) {
   case BUTTON_PRESSED:
     if (seconds <= 10)
       seconds = 0;
@@ -27,6 +23,9 @@ void button_tick() {
   }
 }
 
+bool is_button_active = false;
+uint16_t button_tick_count = 0;
+
 enum ButtonState check_button_state() {
   if (is_button_active && button_tick_count >= LONG_PRESS_TICK_COUNT) {
     button_tick_count = 0;