fix the button action

Signed-off-by: Olivier Matz <zer0@droids-corp.org>

diff --git a/main.c b/main.c
index e176a1f..82f12d7 100644 (file)
--- a/main.c
+++ b/main.c
@@ -27,7 +27,7 @@
 #define RADIO_READ() (!!(PINB & (_BV(RADIO_BIT))))
 
 #define BUTTON_BIT 3
-#define BUTTON_IS_PRESSED()  (!!(PINB & (_BV(BUTTON_BIT))))
+#define BUTTON_IS_PRESSED()  (!(PINB & (_BV(BUTTON_BIT))))
 
 #define LED_BIT    4
 #define LED_ON()   PORTB |= _BV(LED_BIT)
@@ -359,6 +359,7 @@ static void beep(void)
                        BUZZER_ON();
                else
                        BUZZER_OFF();
+               wait_period();
        }
 }
 #endif
@@ -382,6 +383,7 @@ int main(void)
        /* led and buzzer are outputs */
 #if defined(__AVR_ATtiny45__)
        DDRB |= (1 << LED_BIT) | (1 << BUZZER_BIT);
+       PORTB |= (1 << BUTTON_BIT); /* pull up */
 #endif
 
        i = 0;
@@ -391,6 +393,7 @@ int main(void)
 
                /* wait until 200us is elapsed since previous call (5Khz) */
                wait_period();
+               detected = 0;
 
 #ifndef HOST_VERSION
                /* filter button */