implement config

main/Kconfig.projbuild

@@ -1,22 +1,391 @@
 menu "Smart Oil Heating Control System"
 
-    config SSID
+    menu "WiFi Configuration"
-        string "SSID"
+        config SSID
-        default "my WiFi SSID"
+            string "WiFi SSID"
-    config WIFI_PASSWORD
+            default "my WiFi SSID"
-        string "WIFI_PASSWORD"
+            help
-        default "my WIFI Password"
+                The SSID of the WiFi network to connect to.
-    config STATIC_IP_ADDR
+
-        string "Static IPv4 address"
+        config WIFI_PASSWORD
-        default "192.168.0.42"
+            string "WiFi Password"
-    config STATIC_IP_NETMASK
+            default "my WIFI Password"
-        string "Static IPv4 netmask"
+            help
-        default "255.255.0.0"
+                The password for the WiFi network.
-    config STATIC_GATEWAY_IP_ADDR
+
-        string "Static IPv4 gateway address"
+        config STATIC_IP_ADDR
-        default "192.168.0.1"
+            string "Static IPv4 address"
-    config SNTP_SERVER_IP_ADDR
+            default "192.168.0.42"
-        string "SNTP IPv4 server address"
+            help
-        default "192.168.0.1"
+                Static IP address for the ESP32.
+
+        config STATIC_IP_NETMASK
+            string "Static IPv4 netmask"
+            default "255.255.0.0"
+            help
+                Network mask for the static IP configuration.
+
+        config STATIC_GATEWAY_IP_ADDR
+            string "Static IPv4 gateway address"
+            default "192.168.0.1"
+            help
+                Gateway IP address for network routing.
+
+        config SNTP_SERVER_IP_ADDR
+            string "SNTP server address"
+            default "192.168.0.1"
+            help
+                NTP server address for time synchronization.
+    endmenu
+
+    menu "GPIO Configuration"
+        menu "Input GPIOs"
+            config GPIO_BURNER_FAULT
+                int "Burner fault input GPIO"
+                range 0 39
+                default 19
+                help
+                    GPIO pin connected to the burner fault signal.
+
+            config GPIO_DS18B20_ONEWIRE
+                int "DS18B20 1-Wire bus GPIO"
+                range 0 39
+                default 4
+                help
+                    GPIO pin for the 1-Wire bus (DS18B20 temperature sensors).
+        endmenu
+
+        menu "Output GPIOs"
+            config GPIO_CIRCULATION_PUMP
+                int "Circulation pump output GPIO"
+                range 0 39
+                default 27
+                help
+                    GPIO pin to control the circulation pump relay.
+
+            config GPIO_BURNER
+                int "Burner control output GPIO"
+                range 0 39
+                default 14
+                help
+                    GPIO pin to control the burner relay.
+
+            config GPIO_SAFETY_CONTACT
+                int "Safety contact output GPIO"
+                range 0 39
+                default 12
+                help
+                    GPIO pin for the safety contact relay (main power to burner).
+        endmenu
+    endmenu
+
+    menu "1-Wire Sensor Addresses"
+        config ONEWIRE_ADDR_CHAMBER_TEMP
+            hex "Chamber temperature sensor address"
+            default 0xd00000108cd01d28
+            help
+                64-bit 1-Wire address of the chamber temperature sensor.
+
+        config ONEWIRE_ADDR_OUTDOOR_TEMP
+            hex "Outdoor temperature sensor address"
+            default 0xd70000108a9b9128
+            help
+                64-bit 1-Wire address of the outdoor temperature sensor.
+
+        config ONEWIRE_ADDR_INLET_FLOW_TEMP
+            hex "Inlet flow temperature sensor address"
+            default 0x410000108b8c0628
+            help
+                64-bit 1-Wire address of the inlet flow temperature sensor.
+
+        config ONEWIRE_ADDR_RETURN_FLOW_TEMP
+            hex "Return flow temperature sensor address"
+            default 0x90000108cc77c28
+            help
+                64-bit 1-Wire address of the return flow temperature sensor.
+    endmenu
+
+    menu "Temperature Control Settings"
+        menu "Target Temperatures"
+            config TEMP_RETURN_FLOW_LOWER_LIMIT_DAY
+                int "Return flow lower limit (day) [°C x 10]"
+                range 150 500
+                default 300
+                help
+                    Minimum return flow temperature during day mode in 0.1°C units.
+                    Example: 300 = 30.0°C
+
+            config TEMP_RETURN_FLOW_LOWER_LIMIT_NIGHT
+                int "Return flow lower limit (night) [°C x 10]"
+                range 150 500
+                default 250
+                help
+                    Minimum return flow temperature during night mode in 0.1°C units.
+                    Example: 250 = 25.0°C
+
+            config TEMP_CHAMBER_TARGET
+                int "Chamber target temperature [°C x 10]"
+                range 500 950
+                default 800
+                help
+                    Maximum chamber temperature target in 0.1°C units.
+                    Example: 800 = 80.0°C
+
+            config TEMP_CHAMBER_THRESHOLD
+                int "Chamber temperature threshold [°C x 10]"
+                range 300 700
+                default 450
+                help
+                    Minimum chamber temperature to enable burner in 0.1°C units.
+                    Example: 450 = 45.0°C
+
+            config TEMP_CIRCULATION_PUMP_THRESHOLD
+                int "Circulation pump threshold [°C x 10]"
+                range 200 500
+                default 300
+                help
+                    Minimum chamber temperature to enable circulation pump in 0.1°C units.
+                    Example: 300 = 30.0°C
+        endmenu
+
+        menu "Summer Mode Settings"
+            config TEMP_SUMMER_MODE_HIGH
+                int "Summer mode activation threshold [°C x 10]"
+                range 150 300
+                default 200
+                help
+                    Outdoor temperature above which summer mode activates in 0.1°C units.
+                    Example: 200 = 20.0°C
+
+            config TEMP_SUMMER_MODE_LOW
+                int "Summer mode deactivation threshold [°C x 10]"
+                range 100 250
+                default 150
+                help
+                    Outdoor temperature below which summer mode deactivates in 0.1°C units.
+                    Example: 150 = 15.0°C
+        endmenu
+
+        config BURNER_FAULT_DETECTION_SECONDS
+            int "Burner fault detection timeout (seconds)"
+            range 60 600
+            default 240
+            help
+                Time in seconds to wait before checking for burner fault after enabling.
+    endmenu
+
+    menu "Sensor Limits"
+        menu "Chamber Temperature Limits"
+            config SENSOR_LIMIT_CHAMBER_MAX
+                int "Chamber sensor maximum [°C x 10]"
+                range 500 1200
+                default 950
+                help
+                    Maximum valid chamber temperature reading in 0.1°C units.
+
+            config SENSOR_LIMIT_CHAMBER_MIN
+                int "Chamber sensor minimum [°C x 10]"
+                range -400 100
+                default -100
+                help
+                    Minimum valid chamber temperature reading in 0.1°C units.
+        endmenu
+
+        menu "Outdoor Temperature Limits"
+            config SENSOR_LIMIT_OUTDOOR_MAX
+                int "Outdoor sensor maximum [°C x 10]"
+                range 300 600
+                default 450
+                help
+                    Maximum valid outdoor temperature reading in 0.1°C units.
+
+            config SENSOR_LIMIT_OUTDOOR_MIN
+                int "Outdoor sensor minimum [°C x 10]"
+                range -500 0
+                default -200
+                help
+                    Minimum valid outdoor temperature reading in 0.1°C units.
+        endmenu
+
+        menu "Inlet Flow Temperature Limits"
+            config SENSOR_LIMIT_INLET_MAX
+                int "Inlet flow sensor maximum [°C x 10]"
+                range 500 1200
+                default 950
+                help
+                    Maximum valid inlet flow temperature reading in 0.1°C units.
+
+            config SENSOR_LIMIT_INLET_MIN
+                int "Inlet flow sensor minimum [°C x 10]"
+                range -400 100
+                default -100
+                help
+                    Minimum valid inlet flow temperature reading in 0.1°C units.
+        endmenu
+
+        menu "Return Flow Temperature Limits"
+            config SENSOR_LIMIT_RETURN_MAX
+                int "Return flow sensor maximum [°C x 10]"
+                range 500 1200
+                default 950
+                help
+                    Maximum valid return flow temperature reading in 0.1°C units.
+
+            config SENSOR_LIMIT_RETURN_MIN
+                int "Return flow sensor minimum [°C x 10]"
+                range -400 100
+                default -100
+                help
+                    Minimum valid return flow temperature reading in 0.1°C units.
+        endmenu
+
+        config SENSOR_GRACE_PERIOD_MINUTES
+            int "Sensor unchanged grace period (minutes)"
+            range 1 120
+            default 30
+            help
+                Maximum time in minutes a sensor can report unchanged values
+                before being flagged as faulty.
+    endmenu
+
+    menu "Damping Factors"
+        config DAMPING_FACTOR_WARMER
+            int "Damping factor warmer [x 0.00001]"
+            range 1 100
+            default 1
+            help
+                Damping factor for rising temperatures in units of 0.00001.
+                Example: 1 = 0.00001 (0.001%)
+
+        config DAMPING_FACTOR_COLDER
+            int "Damping factor colder [x 0.00001]"
+            range 1 100
+            default 5
+            help
+                Damping factor for falling temperatures in units of 0.00001.
+                Example: 5 = 0.00005 (0.005%)
+    endmenu
+
+    menu "Heating Schedule"
+        menu "Weekday Schedule (Monday-Thursday)"
+            config SCHEDULE_WEEKDAY_DAY_START_HOUR
+                int "Day mode start hour"
+                range 0 23
+                default 4
+                help
+                    Hour when day mode starts on weekdays (24h format).
+
+            config SCHEDULE_WEEKDAY_DAY_START_MINUTE
+                int "Day mode start minute"
+                range 0 59
+                default 45
+                help
+                    Minute when day mode starts on weekdays.
+
+            config SCHEDULE_WEEKDAY_NIGHT_START_HOUR
+                int "Night mode start hour"
+                range 0 23
+                default 22
+                help
+                    Hour when night mode starts on weekdays (24h format).
+
+            config SCHEDULE_WEEKDAY_NIGHT_START_MINUTE
+                int "Night mode start minute"
+                range 0 59
+                default 0
+                help
+                    Minute when night mode starts on weekdays.
+        endmenu
+
+        menu "Friday Schedule"
+            config SCHEDULE_FRIDAY_DAY_START_HOUR
+                int "Day mode start hour"
+                range 0 23
+                default 4
+                help
+                    Hour when day mode starts on Friday (24h format).
+
+            config SCHEDULE_FRIDAY_DAY_START_MINUTE
+                int "Day mode start minute"
+                range 0 59
+                default 45
+                help
+                    Minute when day mode starts on Friday.
+
+            config SCHEDULE_FRIDAY_NIGHT_START_HOUR
+                int "Night mode start hour"
+                range 0 23
+                default 23
+                help
+                    Hour when night mode starts on Friday (24h format).
+
+            config SCHEDULE_FRIDAY_NIGHT_START_MINUTE
+                int "Night mode start minute"
+                range 0 59
+                default 0
+                help
+                    Minute when night mode starts on Friday.
+        endmenu
+
+        menu "Saturday Schedule"
+            config SCHEDULE_SATURDAY_DAY_START_HOUR
+                int "Day mode start hour"
+                range 0 23
+                default 6
+                help
+                    Hour when day mode starts on Saturday (24h format).
+
+            config SCHEDULE_SATURDAY_DAY_START_MINUTE
+                int "Day mode start minute"
+                range 0 59
+                default 45
+                help
+                    Minute when day mode starts on Saturday.
+
+            config SCHEDULE_SATURDAY_NIGHT_START_HOUR
+                int "Night mode start hour"
+                range 0 23
+                default 23
+                help
+                    Hour when night mode starts on Saturday (24h format).
+
+            config SCHEDULE_SATURDAY_NIGHT_START_MINUTE
+                int "Night mode start minute"
+                range 0 59
+                default 30
+                help
+                    Minute when night mode starts on Saturday.
+        endmenu
+
+        menu "Sunday Schedule"
+            config SCHEDULE_SUNDAY_DAY_START_HOUR
+                int "Day mode start hour"
+                range 0 23
+                default 6
+                help
+                    Hour when day mode starts on Sunday (24h format).
+
+            config SCHEDULE_SUNDAY_DAY_START_MINUTE
+                int "Day mode start minute"
+                range 0 59
+                default 45
+                help
+                    Minute when day mode starts on Sunday.
+
+            config SCHEDULE_SUNDAY_NIGHT_START_HOUR
+                int "Night mode start hour"
+                range 0 23
+                default 22
+                help
+                    Hour when night mode starts on Sunday (24h format).
+
+            config SCHEDULE_SUNDAY_NIGHT_START_MINUTE
+                int "Night mode start minute"
+                range 0 59
+                default 30
+                help
+                    Minute when night mode starts on Sunday.
+        endmenu
+    endmenu
 
 endmenu

main/control.c

@@ -1,28 +1,15 @@
 #include "control.h"
-#include "esp_log.h"
-#include "esp_timer.h"
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
 #include "inputs.h"
 #include "outputs.h"
 #include "safety.h"
 #include "sntp.h"
 
-#define PERIODIC_INTERVAL 1U // Run control loop every 1 second
+#include "esp_log.h"
+#include "esp_timer.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
 
-// Temperature thresholds
+#define PERIODIC_INTERVAL 1U // Run control loop every 1 second
-#define RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY 30.0f
-#define RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT 25.0f
-#define CHAMBER_TEMPERATURE_TARGET 80.0f    // Max cutoff temperature
-#define CHAMBER_TEMPERATURE_THRESHOLD 45.0f // Min threshold for burner enable
-#define SUMMER_MODE_TEMPERATURE_THRESHOLD_HIGH \
-    20.0f // Summer mode will be activated
-#define SUMMER_MODE_TEMPERATURE_THRESHOLD_LOW \
-    15.0f // Summer mode will be deactivated --> Heating starts
-#define CIRCULATION_PUMP_TEMPERATURE_THRESHOLD \
-    30.0f // Min threshold of chamber for circulation pump enable
-#define BURNER_FAULT_DETECTION_THRESHOLD \
-    (60U * 4U) // Burner fault detection after 4 minutes
 
 static const char *TAG = "smart-oil-heater-control-system-control";
 static eControlState gControlState = CONTROL_STARTING;
@@ -30,58 +17,58 @@ static eControlState gControlState = CONTROL_STARTING;
 static const sControlDay gControlTable[] = {
     {MONDAY,
      2U,
-     {{{4, 45},
+     {{{CONFIG_SCHEDULE_WEEKDAY_DAY_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{22, 0},
+      {{CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
     {TUESDAY,
      2U,
-     {{{4, 45},
+     {{{CONFIG_SCHEDULE_WEEKDAY_DAY_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{22, 0},
+      {{CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
     {WEDNESDAY,
      2U,
-     {{{4, 45},
+     {{{CONFIG_SCHEDULE_WEEKDAY_DAY_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{22, 0},
+      {{CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
     {THURSDAY,
      2U,
-     {{{4, 45},
+     {{{CONFIG_SCHEDULE_WEEKDAY_DAY_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{22, 0},
+      {{CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_WEEKDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
     {FRIDAY,
      2U,
-     {{{4, 45},
+     {{{CONFIG_SCHEDULE_FRIDAY_DAY_START_HOUR, CONFIG_SCHEDULE_FRIDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{23, 0},
+      {{CONFIG_SCHEDULE_FRIDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_FRIDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
     {SATURDAY,
      2U,
-     {{{6, 45},
+     {{{CONFIG_SCHEDULE_SATURDAY_DAY_START_HOUR, CONFIG_SCHEDULE_SATURDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{23, 30},
+      {{CONFIG_SCHEDULE_SATURDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_SATURDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
     {SUNDAY,
      2U,
-     {{{6, 45},
+     {{{CONFIG_SCHEDULE_SUNDAY_DAY_START_HOUR, CONFIG_SCHEDULE_SUNDAY_DAY_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY,
        CHAMBER_TEMPERATURE_TARGET},
-      {{22, 30},
+      {{CONFIG_SCHEDULE_SUNDAY_NIGHT_START_HOUR, CONFIG_SCHEDULE_SUNDAY_NIGHT_START_MINUTE},
        RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT,
        CHAMBER_TEMPERATURE_TARGET}}},
 };
@@ -377,10 +364,10 @@ void findControlCurrentTemperatureEntry(void)
                     /*
                     ESP_LOGI(TAG, "Active entry found - Time: %02d:%02d, "
                              "Return Temp: %lf, Chamber Temp: %lf",
-                             gCurrentControlEntry.timestamp.hour,
+                                 gCurrentControlEntry.timestamp.hour,
-                             gCurrentControlEntry.timestamp.minute,
+                                 gCurrentControlEntry.timestamp.minute,
-                             gCurrentControlEntry.fReturnFlowTemperature,
+                                 gCurrentControlEntry.fReturnFlowTemperature,
-                             gCurrentControlEntry.fChamberTemperature);
+                                 gCurrentControlEntry.fChamberTemperature);
                              */
                     return;
                 }

main/control.h

@@ -1,8 +1,20 @@
 #pragma once
+
+#include "sdkconfig.h"
+
 #include <time.h>
 
 #define MAX_TEMPERATURE_ENTRIES_PER_DAY 24U
 
+#define RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_DAY (CONFIG_TEMP_RETURN_FLOW_LOWER_LIMIT_DAY / 10.0f)
+#define RETURN_FLOW_TEMPERATURE_LOWER_LIMIT_NIGHT (CONFIG_TEMP_RETURN_FLOW_LOWER_LIMIT_NIGHT / 10.0f)
+#define CHAMBER_TEMPERATURE_TARGET (CONFIG_TEMP_CHAMBER_TARGET / 10.0f)
+#define CHAMBER_TEMPERATURE_THRESHOLD (CONFIG_TEMP_CHAMBER_THRESHOLD / 10.0f)
+#define SUMMER_MODE_TEMPERATURE_THRESHOLD_HIGH (CONFIG_TEMP_SUMMER_MODE_HIGH / 10.0f)
+#define SUMMER_MODE_TEMPERATURE_THRESHOLD_LOW (CONFIG_TEMP_SUMMER_MODE_LOW / 10.0f)
+#define CIRCULATION_PUMP_TEMPERATURE_THRESHOLD (CONFIG_TEMP_CIRCULATION_PUMP_THRESHOLD / 10.0f)
+#define BURNER_FAULT_DETECTION_THRESHOLD CONFIG_BURNER_FAULT_DETECTION_SECONDS
+
 typedef enum _ControlState
 {
     CONTROL_STARTING,

main/inputs.c

@@ -1,25 +1,26 @@
+#include "inputs.h"
+
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "driver/gpio.h"
-#include <string.h>
-#include <math.h>
 #include "esp_log.h"
 #include <ds18x20.h>
 
-#include "inputs.h"
+#include <string.h>
+#include <math.h>
 
 #define MAX_DN18B20_SENSORS 4U
 #define ONE_WIRE_LOOPS 4U    // try to read the 1-Wire sensors that often
 #define PERIODIC_INTERVAL 1U // read and compute the inputs every 1sec
 
 static const char *TAG = "smart-oil-heater-control-system-inputs";
-const uint8_t uBurnerFaultPin = 19U;
+const uint8_t uBurnerFaultPin = CONFIG_GPIO_BURNER_FAULT;
-const uint8_t uDS18B20Pin = 4U;
+const uint8_t uDS18B20Pin = CONFIG_GPIO_DS18B20_ONEWIRE;
 
-const onewire_addr_t uChamperTempSensorAddr = 0xd00000108cd01d28;
+const onewire_addr_t uChamperTempSensorAddr = CONFIG_ONEWIRE_ADDR_CHAMBER_TEMP;
-const onewire_addr_t uOutdoorTempSensorAddr = 0xd70000108a9b9128;
+const onewire_addr_t uOutdoorTempSensorAddr = CONFIG_ONEWIRE_ADDR_OUTDOOR_TEMP;
-const onewire_addr_t uInletFlowTempSensorAddr = 0x410000108b8c0628;
+const onewire_addr_t uInletFlowTempSensorAddr = CONFIG_ONEWIRE_ADDR_INLET_FLOW_TEMP;
-const onewire_addr_t uReturnFlowTempSensorAddr = 0x90000108cc77c28;
+const onewire_addr_t uReturnFlowTempSensorAddr = CONFIG_ONEWIRE_ADDR_RETURN_FLOW_TEMP;
 
 onewire_addr_t uOneWireAddresses[MAX_DN18B20_SENSORS];
 float fDS18B20Temps[MAX_DN18B20_SENSORS];
@@ -416,4 +417,4 @@ eBurnerErrorState getBurnerError(void)
         ESP_LOGE(TAG, "Unable to take mutex: getBurnerError()");
     }
     return ret;
-}
+}

main/inputs.h

@@ -1,13 +1,17 @@
 #pragma once
 
+#include "sdkconfig.h"
+
+#include <stddef.h>
+
 #define MAX(a, b) ((a) > (b) ? (a) : (b))
 #define INITIALISATION_VALUE 0.0f
 #define AVG10S_SAMPLE_SIZE 10U
 #define AVG60S_SAMPLE_SIZE 60U
 #define AVG24H_SAMPLE_SIZE 24U
 #define PRED60S_SAMPLE_SIZE 60U
-#define DAMPING_FACTOR_WARMER 0.00001f // 0.001%
+#define DAMPING_FACTOR_WARMER (CONFIG_DAMPING_FACTOR_WARMER * 0.00001f)
-#define DAMPING_FACTOR_COLDER 0.00005f // 0.005%
+#define DAMPING_FACTOR_COLDER (CONFIG_DAMPING_FACTOR_COLDER * 0.00001f)
 
 typedef enum _BurnerErrorState
 {
@@ -52,4 +56,4 @@ sMeasurement getChamberTemperature(void);
 sMeasurement getOutdoorTemperature(void);
 sMeasurement getInletFlowTemperature(void);
 sMeasurement getReturnFlowTemperature(void);
-eBurnerErrorState getBurnerError(void);
+eBurnerErrorState getBurnerError(void);

main/main.c

@@ -1,7 +1,3 @@
-#include "esp_log.h"
-#include <esp_system.h>
-#include "nvs_flash.h"
-
 #include "safety.h"
 #include "metrics.h"
 #include "outputs.h"
@@ -10,6 +6,10 @@
 #include "wifi.h"
 #include "sntp.h"
 
+#include "esp_log.h"
+#include "esp_system.h"
+#include "nvs_flash.h"
+
 static const char *TAG = "smart-oil-heater-control-system";
 
 void app_main(void)
@@ -39,4 +39,4 @@ void app_main(void)
         vTaskDelay(pdMS_TO_TICKS(1000));
         // Do nothing ;-)
     }
-}
+}

main/metrics.c

@@ -1,12 +1,3 @@
-#include <string.h>
-#include "esp_timer.h"
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
-#include "esp_wifi.h"
-#include "esp_log.h"
-#include <time.h>
-#include <sys/time.h>
-
 #include "metrics.h"
 #include "outputs.h"
 #include "inputs.h"
@@ -14,6 +5,16 @@
 #include "sntp.h"
 #include "control.h"
 
+#include "esp_timer.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "esp_wifi.h"
+#include "esp_log.h"
+
+#include <string.h>
+#include <time.h>
+#include <sys/time.h>
+
 static const char *TAG = "smart-oil-heater-control-system-metrics";
 
 char caHtmlResponse[HTML_RESPONSE_SIZE];

main/outputs.c

@@ -1,14 +1,15 @@
+#include "outputs.h"
+
+#include "sdkconfig.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "driver/gpio.h"
 #include "esp_log.h"
 
-#include "outputs.h"
-
 static const char *TAG = "smart-oil-heater-control-system-outputs";
-const uint8_t uCirculationPumpGpioPin = 27U;
+const uint8_t uCirculationPumpGpioPin = CONFIG_GPIO_CIRCULATION_PUMP;
-const uint8_t uBurnerGpioPin = 14U;
+const uint8_t uBurnerGpioPin = CONFIG_GPIO_BURNER;
-const uint8_t uSafetyContactGpioPin = 12U;
+const uint8_t uSafetyContactGpioPin = CONFIG_GPIO_SAFETY_CONTACT;
 
 static SemaphoreHandle_t xMutexAccessOutputs = NULL;
 static eOutput sCirculationPumpState;

main/safety.c

@@ -1,21 +1,22 @@
+#include "safety.h"
+
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "esp_log.h"
+
 #include <string.h>
 #include <math.h>
-#include "safety.h"
 
-#define PERIODIC_INTERVAL 1U            // run safety checks every 1sec
+#define PERIODIC_INTERVAL 1U                                           // run safety checks every 1sec
-#define SENSOR_GRACE_PERIOD (60U * 30U) // period that a sensor can report the same reading in seconds
+#define SENSOR_GRACE_PERIOD (CONFIG_SENSOR_GRACE_PERIOD_MINUTES * 60U) // period that a sensor can report the same reading in seconds
 #define FLOAT_EPSILON 0.0001f
-
 static const char *TAG = "smart-oil-heater-control-system-safety";
 static SemaphoreHandle_t xMutexAccessSafety = NULL;
 static sSensorSanityCheck sanityChecks[NUMBER_OF_SENSOR_SANITY_CHECKS] = {
-    {SENSOR_NO_ERROR, "chamber_temperature", {95.0f, -10.0f}, 0.0f, 0U, getChamberTemperature},
+    {SENSOR_NO_ERROR, "chamber_temperature", {SENSOR_LIMIT_CHAMBER_MAX, SENSOR_LIMIT_CHAMBER_MIN}, 0.0f, 0U, getChamberTemperature},
-    {SENSOR_NO_ERROR, "outdoor_temperature", {45.0f, -20.0f}, 0.0f, 0U, getOutdoorTemperature},
+    {SENSOR_NO_ERROR, "outdoor_temperature", {SENSOR_LIMIT_OUTDOOR_MAX, SENSOR_LIMIT_OUTDOOR_MIN}, 0.0f, 0U, getOutdoorTemperature},
-    {SENSOR_NO_ERROR, "inlet_flow_temperature", {95.0f, -10.0f}, 0.0f, 0U, getInletFlowTemperature},
+    {SENSOR_NO_ERROR, "inlet_flow_temperature", {SENSOR_LIMIT_INLET_MAX, SENSOR_LIMIT_INLET_MIN}, 0.0f, 0U, getInletFlowTemperature},
-    {SENSOR_NO_ERROR, "return_flow_temperature", {95.0f, -10.0f}, 0.0f, 0U, getReturnFlowTemperature}};
+    {SENSOR_NO_ERROR, "return_flow_temperature", {SENSOR_LIMIT_RETURN_MAX, SENSOR_LIMIT_RETURN_MIN}, 0.0f, 0U, getReturnFlowTemperature}};
 static eSafetyState sSafetyState = SAFETY_NO_ERROR;
 
 void taskSafety(void *pvParameters);

main/safety.h

@@ -3,9 +3,22 @@
 #include "outputs.h"
 #include "inputs.h"
 
+#include "sdkconfig.h"
+
+#include <stdint.h>
+
 #define MAX_ERROR_STRING_SIZE 64U
 #define NUMBER_OF_SENSOR_SANITY_CHECKS 4U
 
+#define SENSOR_LIMIT_CHAMBER_MAX (CONFIG_SENSOR_LIMIT_CHAMBER_MAX / 10.0f)
+#define SENSOR_LIMIT_CHAMBER_MIN (CONFIG_SENSOR_LIMIT_CHAMBER_MIN / 10.0f)
+#define SENSOR_LIMIT_OUTDOOR_MAX (CONFIG_SENSOR_LIMIT_OUTDOOR_MAX / 10.0f)
+#define SENSOR_LIMIT_OUTDOOR_MIN (CONFIG_SENSOR_LIMIT_OUTDOOR_MIN / 10.0f)
+#define SENSOR_LIMIT_INLET_MAX (CONFIG_SENSOR_LIMIT_INLET_MAX / 10.0f)
+#define SENSOR_LIMIT_INLET_MIN (CONFIG_SENSOR_LIMIT_INLET_MIN / 10.0f)
+#define SENSOR_LIMIT_RETURN_MAX (CONFIG_SENSOR_LIMIT_RETURN_MAX / 10.0f)
+#define SENSOR_LIMIT_RETURN_MIN (CONFIG_SENSOR_LIMIT_RETURN_MIN / 10.0f)
+
 typedef enum _SensorErrorState
 {
     SENSOR_NO_ERROR,

main/sntp.c

@@ -1,9 +1,10 @@
-#include <time.h>
+#include "sntp.h"
-#include <sys/time.h>
+
-#include <esp_sntp.h>
+#include "esp_sntp.h"
 #include "esp_log.h"
 
-#include "sntp.h"
+#include <time.h>
+#include <sys/time.h>
 
 static const char *TAG = "smart-oil-heater-control-system-sntp";
 static volatile eSntpState sntpState = SYNC_NOT_STARTED;

main/wifi.c

@@ -1,15 +1,16 @@
-#include <string.h>
+#include "wifi.h"
+
 #include "esp_timer.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
+#include "freertos/event_groups.h"
 #include "esp_wifi.h"
 #include "esp_event.h"
-#include "freertos/event_groups.h"
 #include "esp_log.h"
 #include "esp_netif.h"
 #include <lwip/sockets.h>
 
-#include "wifi.h"
+#include <string.h>
 
 #define WIFI_CONNECTED_BIT BIT0
 #define WIFI_FAIL_BIT BIT1