Merge pull request #43 from rzeldent:bugfix/check_null_sensor

Check for valid sensor pointer

platformio.ini

@@ -24,7 +24,7 @@ board_build.partitions = min_spiffs.csv
 monitor_speed = 115200
 monitor_rts = 0
 monitor_dtr = 0
-monitor_filters = log2file, time, default
+monitor_filters = log2file, time, default, esp32_exception_decoder
 
 build_flags =
     -O2

src/main.cpp

@@ -267,6 +267,12 @@ esp_err_t initialize_camera()
 void update_camera_settings()
 {
   auto camera = esp_camera_sensor_get();
+  if (camera == nullptr)
+  {
+    log_e("Unable to get camera sensor");
+    return;
+  }
+
   camera->set_brightness(camera, param_brightness.value());
   camera->set_contrast(camera, param_contrast.value());
   camera->set_saturation(camera, param_saturation.value());