--- trunk/PIC/main.c	2007/01/30 22:17:53	21
+++ trunk/PIC/main.c	2007/01/30 22:49:03	22
@@ -139,7 +139,16 @@
 	RB2 = !RB2;
 }
 */
-
+//Timer1 er en 16 bit timer, der kører med en 1:8 prescaler,
+// og er styret fra en ekstern 32768 Hz krystal
+//Når at registrene preloades med 0xEFFF vil det resultere i en 
+//timer overflow ca hvert sekund
+void timer1_interrupt(void)
+{
+	RB2 = !RB2;
+	TMR1H = 0xEF;
+	TMR1L = 0xFF;
+}
 void interrupt interrupt_handler(void)
 {
 	if (RCIF == 1)
@@ -153,6 +162,12 @@
 		TXIF = 0;
 	}
 	*/
+	
+	if (TMR1IF == 1)
+	{
+		timer1_interrupt();
+		TMR1IF = 0;
+	}
 }
 
 ///////////////////////////////////////////////////////////////////
@@ -310,6 +325,8 @@
 		
 	TXIF = 0; //nulstil intterupt flag
 	RCIF = 0;
+	
+	TMR1IE = 1; // Timer 1
 
 	GIE = 1; //Global interrupt enable bit
 }
@@ -401,7 +418,20 @@
 #endif
 }
 
+void timer_init(void)
+{
+	TMR1CS = 1; //use external clock
+	
+	T1CKPS1 = 1; //1:8 prescale
+	T1CKPS0 = 1;
+	
+	TMR1H = 0xEF;
+	TMR1L = 0xFF;
 
+	T1OSCEN = 1; //enable oscillator circuit	
+	RD16 = 0; //normal 8 bit writes
+	TMR1ON = 1;
+}
 
 char ReadTemp(void)
 {
@@ -426,6 +456,7 @@
 	serial_init(); //9600 8N1
 	ad_init();
 	io_init();
+	timer_init();
 	interrupt_init();
 	
 
@@ -450,7 +481,7 @@
 		}
 		
 		RB1 = global_led_0;
-		RB2 = global_led_1;
+	//	RB2 = global_led_1;
 		RB3 = global_led_2;
 		
 		global_temp = ReadTemp();