Opensource ML embedded evaluation kit
Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
diff --git a/source/use_case/img_class/src/MainLoop.cc b/source/use_case/img_class/src/MainLoop.cc
new file mode 100644
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+++ b/source/use_case/img_class/src/MainLoop.cc
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+/*
+ * Copyright (c) 2021 Arm Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "hal.h" /* Brings in platform definitions. */
+#include "Classifier.hpp" /* Classifier. */
+#include "InputFiles.hpp" /* For input images. */
+#include "Labels.hpp" /* For label strings. */
+#include "MobileNetModel.hpp" /* Model class for running inference. */
+#include "UseCaseHandler.hpp" /* Handlers for different user options. */
+#include "UseCaseCommonUtils.hpp" /* Utils functions. */
+
+using ImgClassClassifier = arm::app::Classifier;
+
+enum opcodes
+{
+ MENU_OPT_RUN_INF_NEXT = 1, /* Run on next vector. */
+ MENU_OPT_RUN_INF_CHOSEN, /* Run on a user provided vector index. */
+ MENU_OPT_RUN_INF_ALL, /* Run inference on all. */
+ MENU_OPT_SHOW_MODEL_INFO, /* Show model info. */
+ MENU_OPT_LIST_IMAGES /* List the current baked images. */
+};
+
+static void DisplayMenu()
+{
+ printf("\n\nUser input required\n");
+ printf("Enter option number from:\n\n");
+ printf(" %u. Classify next image\n", MENU_OPT_RUN_INF_NEXT);
+ printf(" %u. Classify image at chosen index\n", MENU_OPT_RUN_INF_CHOSEN);
+ printf(" %u. Run classification on all images\n", MENU_OPT_RUN_INF_ALL);
+ printf(" %u. Show NN model info\n", MENU_OPT_SHOW_MODEL_INFO);
+ printf(" %u. List images\n\n", MENU_OPT_LIST_IMAGES);
+ printf(" Choice: ");
+}
+
+void main_loop(hal_platform& platform)
+{
+ arm::app::MobileNetModel model; /* Model wrapper object. */
+
+ /* Load the model. */
+ if (!model.Init()) {
+ printf_err("Failed to initialise model\n");
+ return;
+ }
+
+ /* Instantiate application context. */
+ arm::app::ApplicationContext caseContext;
+
+ caseContext.Set<hal_platform&>("platform", platform);
+ caseContext.Set<arm::app::Model&>("model", model);
+ caseContext.Set<uint32_t>("imgIndex", 0);
+
+ ImgClassClassifier classifier; /* Classifier wrapper object. */
+ caseContext.Set<arm::app::Classifier&>("classifier", classifier);
+
+ std::vector <std::string> labels;
+ GetLabelsVector(labels);
+ caseContext.Set<const std::vector <std::string>&>("labels", labels);
+
+ /* Loop. */
+ bool executionSuccessful = true;
+ constexpr bool bUseMenu = NUMBER_OF_FILES > 1 ? true : false;
+
+ /* Loop. */
+ do {
+ int menuOption = MENU_OPT_RUN_INF_NEXT;
+ if (bUseMenu) {
+ DisplayMenu();
+ menuOption = arm::app::ReadUserInputAsInt(platform);
+ printf("\n");
+ }
+ switch (menuOption) {
+ case MENU_OPT_RUN_INF_NEXT:
+ executionSuccessful = ClassifyImageHandler(caseContext, caseContext.Get<uint32_t>("imgIndex"), false);
+ break;
+ case MENU_OPT_RUN_INF_CHOSEN: {
+ printf(" Enter the image index [0, %d]: ", NUMBER_OF_FILES-1);
+ auto imgIndex = static_cast<uint32_t>(arm::app::ReadUserInputAsInt(platform));
+ executionSuccessful = ClassifyImageHandler(caseContext, imgIndex, false);
+ break;
+ }
+ case MENU_OPT_RUN_INF_ALL:
+ executionSuccessful = ClassifyImageHandler(caseContext, caseContext.Get<uint32_t>("imgIndex"), true);
+ break;
+ case MENU_OPT_SHOW_MODEL_INFO:
+ executionSuccessful = model.ShowModelInfoHandler();
+ break;
+ case MENU_OPT_LIST_IMAGES:
+ executionSuccessful = ListFilesHandler(caseContext);
+ break;
+ default:
+ printf("Incorrect choice, try again.");
+ break;
+ }
+ } while (executionSuccessful && bUseMenu);
+ info("Main loop terminated.\n");
+}
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