works

prosjekt.X/fan_speeeed.c

@@ -52,32 +52,42 @@ void PORTB_init() {
 
 void init_ac0(){
     // CONFIGURE PINS AS ANALOG INPUTS
+    PORTD.DIRSET &= PIN6_bm;
     PORTD.PIN6CTRL &= ~ PORT_ISC_gm;
     PORTD.PIN6CTRL = PORT_ISC_INPUT_DISABLE_gc;
     
     PORTD.PIN7CTRL &= ~ PORT_ISC_gm ;
     PORTD.PIN7CTRL = PORT_ISC_INPUT_DISABLE_gc;
     
+    PORTD.PIN3CTRL &= ~ PORT_ISC_gm ;
+    PORTD.PIN3CTRL = PORT_ISC_INPUT_DISABLE_gc;
+    
     //Wincontroll disabled
     AC0.CTRLB = 0x00;
     
     //SELECT POSITIVE AND NEGATIVE INPUTS FOR COMPARRISON
     // FAN USE PD6 & PD7, COMPARE WITH PD3
-    AC0.MUXCTRL = AC_MUXPOS_AINP3_gc | AC_MUXPOS_AINP1_gc | AC_MUXNEG_AINN0_gc ;
+    AC0.MUXCTRL = AC_MUXPOS_AINP3_gc | AC_MUXNEG_AINN0_gc;
+  //AC_MUXPOS_AINP1_gc
     
     // OPTIONAL: ENABLE INNPUT PIN BY WRITING "1" TO OUTEN
     //AC0.CTRLA = 0x40; // 0b01000000
     // ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA
-    //AC0.CTRLA |= PIN0_bm; // 0b00000001
+    AC0.CTRLA |= PIN0_bm; // 0b00000001
     //AC0.CTRLA = AC_ENABLE_bm | AC_INTMODE_NORMAL_POSEDGE_gc | AC_OUTEN_bm;
     
     // SET CMP TO 1
     AC0.INTCTRL = 0x01; 
 }
 
+void test(){
+    printf("yo");
+}
+
 ISR(AC0_AC_vect){ // AC0 vec flag 
     AC0.STATUS |= 0x10; //CMP flag to 0.
-    printf("yo");
+    //printf("yo");
+    test();
 }
 
 //-----------------------------------------------------------------------------------------------------

prosjekt.X/main.c

@@ -40,6 +40,7 @@ int main(void) {
    
     /* Replace with your application code */
     while (1) {
-        printf("loop");
+        //printf("loop")
+        ;
     }
 }