Disable watchdog timer and power down. Button presses are finnicky, may need to add a delay.

1 files changed, 10 insertions, 0 deletions

diff --git a/main.c b/main.c
index 7aea82a..f805c48 100644
--- a/main.c
+++ b/main.c
@@ -34,6 +34,13 @@
 
 int main(void)
 {
+	/* disable watchdog timer */
+	cli();
+	wdt_reset();
+	MCUSR &= ~(1 << WDRF);
+	WDTCSR |= (1 << WDCE) | (1 << WDE);
+	WDTCSR = 0x00;
+
 	/* init input ports */
 	INPUT_DDR &= ~((1 << BACK_LOCK_PIN) | (1 << BACK_UNLOCK_PIN) | 
 	               (1 << FRONT_LOCK_PIN) | (1 << FRONT_UNLOCK_PIN) | 
@@ -61,6 +68,9 @@ int main(void)
 	sei();
 
 	for (;;) {
+		sleep_bod_disable();
+		set_sleep_mode(SLEEP_MODE_PWR_DOWN);
+		sleep_mode();
 	}
 
 	return 0;