diff --git a/example/src/header_logger.c b/example/src/header_logger.c
index 93c17dd..8fe1455 100644
--- a/example/src/header_logger.c
+++ b/example/src/header_logger.c
@@ -15,6 +15,133 @@ void handle_error(const char *msg) {
     exit(EXIT_FAILURE);
 }
 
+bool log_command(struct Command command) {
+    switch (command.tag) {
+        case COMMAND_TAG_INVALID: {
+            printf("-> this is an invalid command\n");
+            break;
+        }
+        case COMMAND_TAG_HARD_RESET: {
+            printf("-> HardReset command - exiting\n");
+            return true;
+        }
+        case COMMAND_TAG_BITMAP: {
+            BitmapCommand *bitmapCommand = command.data.bitmap;
+
+            CompressionCode compression = sp_cmd_bitmap_get_compression(bitmapCommand);
+
+            size_t x, y;
+            sp_cmd_bitmap_get_origin(bitmapCommand, &x, &y);
+
+            Bitmap *bitmap = sp_cmd_bitmap_get(bitmapCommand);
+            size_t w = sp_bitmap_width(bitmap);
+            size_t h = sp_bitmap_height(bitmap);
+
+            printf("-> BitmapCommand with params: x=%zu, y=%zu, w=%zu, h=%zu, compression=%hu\n",
+                    x, y, w, h, compression);
+            break;
+        }
+        case COMMAND_TAG_BRIGHTNESS_GRID: {
+            BrightnessGridCommand *gridCommand = command.data.brightness_grid;
+
+            size_t x, y;
+            sp_cmd_brightness_grid_get_origin(gridCommand, &x, &y);
+
+            BrightnessGrid *grid = sp_cmd_brightness_grid_get(gridCommand);
+            size_t w = sp_brightness_grid_width(grid);
+            size_t h = sp_brightness_grid_height(grid);
+
+            printf("-> BrightnessGridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
+                    x, y, w, h);
+            break;
+        }
+        case COMMAND_TAG_CHAR_GRID: {
+            CharGridCommand *gridCommand = command.data.char_grid;
+
+            size_t x, y;
+            sp_cmd_char_grid_get_origin(gridCommand, &x, &y);
+
+            CharGrid *grid = sp_cmd_char_grid_get(gridCommand);
+            size_t w = sp_char_grid_width(grid);
+            size_t h = sp_char_grid_height(grid);
+
+            printf("-> CharGridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
+                    x, y, w, h);
+            break;
+        }
+        case COMMAND_TAG_CP437_GRID: {
+            Cp437GridCommand *gridCommand = command.data.cp437_grid;
+
+            size_t x, y;
+            sp_cmd_cp437_grid_get_origin(gridCommand, &x, &y);
+
+            Cp437Grid *grid = sp_cmd_cp437_grid_get(gridCommand);
+            size_t w = sp_cp437_grid_width(grid);
+            size_t h = sp_cp437_grid_height(grid);
+
+            printf("-> Cp437GridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
+                    x, y, w, h);
+            break;
+        }
+        case COMMAND_TAG_BIT_VEC: {
+            BitVecCommand *bitvecCommand = command.data.bitvec;
+
+            size_t offset = sp_cmd_bitvec_get_offset(bitvecCommand);
+            CompressionCode compression = sp_cmd_bitvec_get_compression(bitvecCommand);
+
+            BinaryOperation operation = sp_cmd_bitvec_get_operation(bitvecCommand);
+            char *operationText;
+            switch (operation) {
+                case BINARY_OPERATION_AND:
+                    operationText = "and";
+                    break;
+                case BINARY_OPERATION_OR:
+                    operationText = "or";
+                    break;
+                case BINARY_OPERATION_XOR:
+                    operationText = "xor";
+                    break;
+                case BINARY_OPERATION_OVERWRITE:
+                    operationText ="overwrite";
+                    break;
+                default:
+                    operationText ="unknown";
+                    break;
+            }
+
+            BitVec *bitvec = sp_cmd_bitvec_get(bitvecCommand);
+            size_t len = sp_bitvec_len(bitvec);
+
+            printf("-> BitVecCommand with params: offset=%zu, length=%zu, compression=%hu, operation=%s\n",
+                    offset, len, compression, operationText);
+            break;
+        }
+        case COMMAND_TAG_CLEAR: {
+            printf("-> ClearCommand\n");
+            break;
+        }
+        case COMMAND_TAG_BITMAP_LEGACY: {
+            printf("-> BitmapLinearLegacy\n");
+            break;
+        }
+        case COMMAND_TAG_FADE_OUT:{
+            printf("-> FadeOutCommand\n");
+            break;
+        }
+        case COMMAND_TAG_GLOBAL_BRIGHTNESS: {
+            Brightness brightness = sp_cmd_brightness_global_get(command.data.global_brightness);
+            printf("-> GlobalBrightnessCommand with params: brightness=%hu\n", brightness);
+            break;
+        }
+        default: {
+            printf("-> unknown command tag %d\n", command.tag);
+            break;
+        }
+    }
+
+    return false;
+}
+
 int main(int argc, char **argv) {
     //init_env_logger();
 
@@ -72,129 +199,7 @@ int main(int argc, char **argv) {
                payload.start, payload.length);
 
         struct Command command = sp_cmd_generic_try_from_packet(packet);
-        switch (command.tag) {
-            case COMMAND_TAG_INVALID: {
-                printf("-> this is an invalid command\n");
-                break;
-            }
-            case COMMAND_TAG_HARD_RESET: {
-                printf("-> HardReset command - exiting\n");
-                done = true;
-                break;
-            }
-            case COMMAND_TAG_BITMAP: {
-                BitmapCommand *bitmapCommand = command.data.bitmap;
-
-                CompressionCode compression = sp_cmd_bitmap_get_compression(bitmapCommand);
-
-                size_t x, y;
-                sp_cmd_bitmap_get_origin(bitmapCommand, &x, &y);
-
-                Bitmap *bitmap = sp_cmd_bitmap_get(bitmapCommand);
-                size_t w = sp_bitmap_width(bitmap);
-                size_t h = sp_bitmap_height(bitmap);
-
-                printf("-> BitmapCommand with params: x=%zu, y=%zu, w=%zu, h=%zu, compression=%hu\n",
-                       x, y, w, h, compression);
-                break;
-            }
-            case COMMAND_TAG_BRIGHTNESS_GRID: {
-                BrightnessGridCommand *gridCommand = command.data.brightness_grid;
-
-                size_t x, y;
-                sp_cmd_brightness_grid_get_origin(gridCommand, &x, &y);
-
-                BrightnessGrid *grid = sp_cmd_brightness_grid_get(gridCommand);
-                size_t w = sp_brightness_grid_width(grid);
-                size_t h = sp_brightness_grid_height(grid);
-
-                printf("-> BrightnessGridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
-                       x, y, w, h);
-                break;
-            }
-            case COMMAND_TAG_CHAR_GRID: {
-                CharGridCommand *gridCommand = command.data.char_grid;
-
-                size_t x, y;
-                sp_cmd_char_grid_get_origin(gridCommand, &x, &y);
-
-                CharGrid *grid = sp_cmd_char_grid_get(gridCommand);
-                size_t w = sp_char_grid_width(grid);
-                size_t h = sp_char_grid_height(grid);
-
-                printf("-> CharGridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
-                       x, y, w, h);
-                break;
-            }
-            case COMMAND_TAG_CP437_GRID: {
-                Cp437GridCommand *gridCommand = command.data.cp437_grid;
-
-                size_t x, y;
-                sp_cmd_cp437_grid_get_origin(gridCommand, &x, &y);
-
-                Cp437Grid *grid = sp_cmd_cp437_grid_get(gridCommand);
-                size_t w = sp_cp437_grid_width(grid);
-                size_t h = sp_cp437_grid_height(grid);
-
-                printf("-> Cp437GridCommand with params: x=%zu, y=%zu, w=%zu, h=%zu\n",
-                       x, y, w, h);
-                break;
-            }
-            case COMMAND_TAG_BIT_VEC: {
-                BitVecCommand *bitvecCommand = command.data.bitvec;
-
-                size_t offset = sp_cmd_bitvec_get_offset(bitvecCommand);
-                CompressionCode compression = sp_cmd_bitvec_get_compression(bitvecCommand);
-
-                BinaryOperation operation = sp_cmd_bitvec_get_operation(bitvecCommand);
-                char *operationText;
-                switch (operation) {
-                    case BINARY_OPERATION_AND:
-                        operationText = "and";
-                        break;
-                    case BINARY_OPERATION_OR:
-                        operationText = "or";
-                        break;
-                    case BINARY_OPERATION_XOR:
-                        operationText = "xor";
-                        break;
-                    case BINARY_OPERATION_OVERWRITE:
-                        operationText ="overwrite";
-                        break;
-                    default:
-                        operationText ="unknown";
-                        break;
-                }
-
-                BitVec *bitvec = sp_cmd_bitvec_get(bitvecCommand);
-                size_t len = sp_bitvec_len(bitvec);
-
-                printf("-> BitVecCommand with params: offset=%zu, length=%zu, compression=%hu, operation=%s\n",
-                       offset, len, compression, operationText);
-                break;
-            }
-            case COMMAND_TAG_CLEAR: {
-                printf("-> ClearCommand\n");
-                break;
-            }
-            case COMMAND_TAG_BITMAP_LEGACY: {
-                printf("-> BitmapLinearLegacy\n");
-                break;
-            }
-            case COMMAND_TAG_FADE_OUT:{
-                printf("-> FadeOutCommand\n");
-                break;
-            }
-            case COMMAND_TAG_GLOBAL_BRIGHTNESS: {
-                Brightness brightness = sp_cmd_brightness_global_get(command.data.global_brightness);
-                printf("-> GlobalBrightnessCommand with params: brightness=%hu\n", brightness);
-                break;
-            }
-            default: {
-                printf("-> unknown command tag %d\n", command.tag);
-                break;
-            }
-        }
+        done = log_command(command);
 
         sp_cmd_generic_free(command);
     }