enable watchdog timer

code/main.c

@@ -4,6 +4,7 @@
 #include "avr-hd44780/lcd.h"
 #include "i2c_peter/i2cmaster.h"
 #include <avr/eeprom.h>
+#include <avr/wdt.h>
 
 uint8_t pgm = 0;
 uint8_t pvw = 0;
@@ -76,6 +77,8 @@ int main(void){
 
     DDRD |= 1<<7; //enable backlight
 
+    wdt_enable(WDTO_2S);
+
     eeprom_read_block(menu.arr, &settings_saved, sizeof(settings_t));
     if(menu.settings.cam > setting_limits[0])
 	menu.settings.cam = 0;
@@ -136,11 +139,14 @@ int main(void){
     }
     */
 
+    wdt_enable(WDTO_60MS);
+
     sei();
 
     while(1){
+	wdt_reset();
+
 	sdi_shield_write(0x5000, 1);
- 
 	uint8_t data_length = sdi_shield_read(0x5001);
 	if(data_length){
 	    uint8_t tally = sdi_shield_read(0x5100 + menu.settings.cam);
@@ -200,7 +206,6 @@ int main(void){
 		lcd_disable_blinking();
 	    }
 	}
-	_delay_ms(10);
     }
 
 }