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prosjekt.X/fan_speeeed.c

@@ -1,4 +1,4 @@
-#include <avr/ioavr128db48.h>
+//#include <avr/ioavr128db48.h>
 
 #include "fan_speeeed.h"
 #include "uart.h"
@@ -50,22 +50,26 @@ void PORTB_init() {
 #define DACREF_VALUE (VDACREF * 256 / VREF)
 
 
-void init_ac(){
+void init_ac0(){
     // CONFIGURE PINS AS ANALOG INPUTS
-    PORTD.PIN2CTRL = PORT_ISC_INPUT_DISABLE_gc;
+    PORTD.PIN6CTRL &= ~ PORT_ISC_gm ;
+    PORTD.PIN6CTRL = PORT_ISC_INPUT_DISABLE_gc;
     
-    // SET BENCH MARK
+    PORTD.PIN7CTRL &= ~ PORT_ISC_gm ;
+    PORTD.PIN7CTRL = PORT_ISC_INPUT_DISABLE_gc;
     
+    //Wincontroll disabled
+    AC0.CTRLB = 0x00;
     
-    //SELECT POSITIVER INPUTS muxs
-    AC0.MUXCTRLA = AC_MUXPOS_AINP0_gc | AC_MUXNEG_DACREF_gc;
+    //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 ;
     
     // OPTIONAL: ENABLE INNPUT PIN BY WRITING "1" TO OUTEN
-    AC0.CTRLA = 0x40; // 0b01000000
-    
+    //AC0.CTRLA = 0x40; // 0b01000000
     // ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA
-    AC0.CTRLA |= PIN0_bm; // 0b00000001
-    AC0.CTRLA = AC_ENABLE_bm | AC_INTMODE_NORMAL_POSEDGE_gc | AC_OUTEN_bm;
+    //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; 
@@ -73,6 +77,7 @@ void init_ac(){
 
 ISR(AC0_AC_vect){ // AC0 vec flag 
     AC0.STATUS |= 0x10; //CMP flag to 0.
+    printf("yo");
 }
 
 //-----------------------------------------------------------------------------------------------------

prosjekt.X/fan_speeeed.h

@@ -27,7 +27,7 @@ extern "C" {
     void init_TCA0();    
     void TCA0_update_period_ms ();
     uint16_t RPM_calculation(uint16_t test, uint16_t time);
-
+    void init_ac0();
     
 #ifdef	__cplusplus
 }

prosjekt.X/main.c

@@ -35,12 +35,11 @@ int main(void) {
 
     init_uart((uint16_t)9600);
     stdout = &USART_stream;
-    
+    init_ac0();
     sei();
    
-    PIN2_bm
-    
     /* Replace with your application code */
     while (1) {
+        printf("loop");
     }
 }