prosjekt.X/eeprom.h

@@ -19,10 +19,6 @@ extern "C" {
 #include <avr/eeprom.h>
 #include <stdbool.h>
 
-// The code is inspired by "EEPROM handling" form avr-libc
-// web link: https://www.nongnu.org/avr-libc/user-manual/group__avr__eeprom.html
-
-
 // Struct for information on the controller.
 typedef struct {
     uint16_t ms_fanspeed_sample_rate;

prosjekt.X/fan-speed.h

@@ -15,47 +15,46 @@ extern "C" {
 #endif
 
 #include <stdbool.h>
-#include <float.h>
+#include <float.h>    
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <math.h>
 #include <avr/interrupt.h>
 #include <avr/io.h>
-
+    
     /*
      The code has inspiration from "Getting Started with Analog comparator(AC)" by Microchip for setting up analog comparrator. 
      *          web link: https://ww1.microchip.com/downloads/aemDocuments/documents/MCU08/ApplicationNotes/ApplicationNotes/TB3211-Getting-Started-with-AC-DS90003211.pdf
      * and inspiration form practice 6 for TCA0 setup
      */
-
-
-    // Fan history variables
-    extern volatile uint16_t fan1_history[512];
-    extern volatile uint16_t fan2_history[512];
-    // Fan history index variable
-    extern volatile uint16_t fan1_history_index;
-    extern volatile uint16_t fan2_history_index;
-
+    
+// Fan history variables
+extern volatile uint16_t fan1_history[512];
+extern volatile uint16_t fan2_history[512];
+// Fan history index variable
+extern volatile uint16_t fan1_history_index;
+extern volatile uint16_t fan2_history_index;
+    
     // INITALICE TIMER COUNTER
-    void init_TCA0();
-
+    void init_TCA0();    
+    
     // UPDATE TIMER PERIOD
     void TCA0_update_period_ms (uint16_t timer_period);
-
-    // TAKES INN A TIME AND A THE COUNTED FAN DIPS
+    
+    // TAKES INN A TIME AND A THE COUNTED FAN DIPS 
     // RETURNS THE RPM OF THE FAN
     uint16_t RPM_calculation(uint16_t edge_counter, uint16_t time_ms);
-
+    
     // INITIALISING FAN PORTS
     void init_fan_gpio();
-
+    
     // INIT AC0 TO COMPARE PD6 AND PD7
     void init_AC0();
-
-    // INIT AC1 TO COMPARE PD4 AND PD7
+    
+    // INIT AC1 TO COMPARE PD4 AND PD7 
     void init_AC1();
-
+    
 #ifdef	__cplusplus
 }
 #endif

prosjekt.X/themistor-temp.h

@@ -13,7 +13,7 @@ extern "C" {
 #endif
 
 #include <stdbool.h>
-#include <float.h>
+#include <float.h>    
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -23,18 +23,16 @@ extern "C" {
 #define T_0 298.15
 #define B 3950
 #define R_1 1000
-#define ledpin PIN3_bm
-
-// Takes inn messured value
+    
 #define ALERT_PIN PIN3_bm
-
-// Takes inn messured value
+    
+// Takes inn messured value 
 // Calculates the temperature in celcius
-// Returns the thermistor themperature
+// Returns the thermistor themperature 
 float calculate_thermistor_temp(float readValue);
 
 
-// Returns true if temperatur is higher than max_temp
+// Returns true if temperatur is higher than max_temp   
 bool voltage_threshold_bool(float thermistor_temp, uint8_t max_temp);
 
 void alert_voltage_threshold_exceeded(bool voltage_threshold_bool);

prosjekt.X/thermistor-temp.c

@@ -5,9 +5,6 @@ void init_alarm_gpio(){
     PORTB.DIRSET = ALERT_PIN;    
 }
 
-// The code is inspired by "Arduino thermistor guide" by valtentina Vogelman, 1 november 2023
-// https://www.build-electronic-circuits.com/arduino-thermistor/
-
 float calculate_thermistor_temp(float thermistor_voltage){
     float R_thermistor;
     float V_1;
@@ -49,4 +46,4 @@ void alert_voltage_threshold_exceeded(bool voltage_threshold_bool){
     }  else{
         PORTB.OUTCLR = ALERT_PIN; 
     }
-}
+}

prosjekt.X/thermistor-temp.c.save

@@ -1,52 +0,0 @@
-#include "themistor-temp.h"
-
-
-void init_led(){
-    PORTB.DIRSET = ledpin;    
-}
-
-
-https://www.build-electronic-circuits.com/arduino-thermistor/
-
-float calculate_thermistor_temp(float thermistor_voltage){
-    float R_thermistor;
-    float V_1;
-    float ln; 
-    float T_thermistor;
-    float V_thermistor;
-    #define V_TOT 5
-    // Calculate Voltage over thermistor
-    V_thermistor = (V_TOT/1024)*thermistor_voltage;
-    
-    // Voltage accross R_1
-    V_1 = V_TOT - V_thermistor; 
-    
-    // Calculate Thermistor resistanse
-    R_thermistor = (V_thermistor)/ (V_1 / R_1);
-    
-    // Steinhart-Harts formula
-    ln = log(R_thermistor/R_T0);
-    T_thermistor = (1/ ((ln/B) + (1/T_0)));
-    
-    // Temperatur in celcius
-    T_thermistor -= 273.15;
-    
-    return T_thermistor;
-}
-
-// returns error message if the messured thermistor temp is higher than
-// Choosen max_temp
-bool voltage_threshold_bool(float thermistor_temp, uint8_t max_temp){
-    // Return true if temp is higher then max value
-    return (thermistor_temp >= max_temp);
-}
-
-//print if the maximum threshold is exceeded. 
-void alert_voltage_threshold_exceeded(bool voltage_threshold_bool){
-    if (voltage_threshold_bool){
-        printf("Error: maximum temperature exceeded");
-        PORTB.OUTSET = ledpin; 
-    }  else{
-        PORTB.OUTCLR = ledpin; 
-    }
-}

prosjekt.X/voltage.c

@@ -17,7 +17,6 @@ void ADC0_init(void) {
   VREF.ADC0REF = VREF_REFSEL_VDD_gc;  /* Internal reference */
   ADC0.CTRLA = ADC_ENABLE_bm          /* ADC Enable: enabled */
                | ADC_RESSEL_10BIT_gc; /* 10-bit mode */
-
   /* Select ADC channel */
   ADC0.MUXPOS = ADC_MUXPOS_AIN6_gc;
 }