save cam number

code/main.c

@@ -4,7 +4,9 @@
 #include "avr-hd44780/lcd.h"
 #include "i2c_peter/i2cmaster.h"
 #include "sdi_shield.h"
+#include <avr/eeprom.h>
 
+uint8_t EEMEM cam_saved;
 volatile uint8_t cam = 0;
 volatile uint8_t pgm = 0;
 volatile uint8_t pvw = 0;
@@ -37,6 +39,8 @@ int main(void){
     //PullUp BTN
     PORTB |= 1<<6;
 
+    cam = eeprom_read_byte(&cam_saved);
+
     lcd_init();
     lcd_on();
     lcd_clear();
@@ -151,10 +155,12 @@ ISR(PCINT1_vect){
 	    cam--;
 	else
 	    cam++;
+	eeprom_write_byte(&cam_saved, cam);
     }else{
 	if(PINC & (1<<3))
 	    cam++;
 	else
 	    cam--;
+	eeprom_write_byte(&cam_saved, cam);
     }
 }