main/inputs.c

@@ -49,7 +49,12 @@ void initInputs(void)
         .intr_type = GPIO_INTR_DISABLE             // Disable interrupts
     };
 
-    gpio_config(&ioConfBurnerFault);
+    esp_err_t ret = gpio_config(&ioConfBurnerFault);
+    if (ret != ESP_OK)
+    {
+        ESP_LOGE(TAG, "GPIO config failed: %s", esp_err_to_name(ret));
+        return;
+    }
 
     xMutexAccessInputs = xSemaphoreCreateRecursiveMutex();
     if (xMutexAccessInputs == NULL)

main/outputs.c

@@ -41,9 +41,26 @@ void initOutputs(void)
         .intr_type = GPIO_INTR_DISABLE                   // Disable interrupts
     };
 
-    gpio_config(&ioConfCirculationPump);
-    gpio_config(&ioConfBurner);
-    gpio_config(&ioConfSafetyContact);
+    esp_err_t ret = gpio_config(&ioConfCirculationPump);
+    if (ret != ESP_OK)
+    {
+        ESP_LOGE(TAG, "GPIO config failed: %s", esp_err_to_name(ret));
+        return;
+    }
+
+    ret = gpio_config(&ioConfBurner);
+    if (ret != ESP_OK)
+    {
+        ESP_LOGE(TAG, "GPIO config failed: %s", esp_err_to_name(ret));
+        return;
+    }
+
+    ret = gpio_config(&ioConfSafetyContact);
+    if (ret != ESP_OK)
+    {
+        ESP_LOGE(TAG, "GPIO config failed: %s", esp_err_to_name(ret));
+        return;
+    }
 
     xMutexAccessOutputs = xSemaphoreCreateRecursiveMutex();
     if (xMutexAccessOutputs == NULL)

main/sntp.c

@@ -6,7 +6,7 @@
 #include "sntp.h"
 
 static const char *TAG = "smart-oil-heater-control-system-sntp";
-static eSntpState sntpState = SYNC_NOT_STARTED;
+static volatile eSntpState sntpState = SYNC_NOT_STARTED;
 void time_sync_notification_cb(struct timeval *tv);
 
 void initSntp(void)