1 files changed, 114 insertions, 0 deletions
diff --git a/source/use_case/ad/src/MainLoop.cc b/source/use_case/ad/src/MainLoop.cc
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--- /dev/null
+++ b/source/use_case/ad/src/MainLoop.cc
@@ -0,0 +1,114 @@
+/*
+ * 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 "InputFiles.hpp"           /* For input data */
+#include "AdModel.hpp"              /* Model class for running inference */
+#include "UseCaseCommonUtils.hpp"   /* Utils functions */
+#include "UseCaseHandler.hpp"       /* Handlers for different user options */
+
+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_AUDIO_CLIPS        /* List the current baked audio signals */
+};
+
+static void DisplayMenu()
+{
+    printf("\n\nUser input required\n");
+    printf("Enter option number from:\n\n");
+    printf("  %u. Classify next audio signal\n", MENU_OPT_RUN_INF_NEXT);
+    printf("  %u. Classify audio signal at chosen index\n", MENU_OPT_RUN_INF_CHOSEN);
+    printf("  %u. Run classification on all audio signals\n", MENU_OPT_RUN_INF_ALL);
+    printf("  %u. Show NN model info\n", MENU_OPT_SHOW_MODEL_INFO);
+    printf("  %u. List audio signals\n\n", MENU_OPT_LIST_AUDIO_CLIPS);
+    printf("  Choice: ");
+}
+
+
+void main_loop(hal_platform& platform)
+{
+    arm::app::AdModel 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>("clipIndex", 0);
+    caseContext.Set<int>("frameLength", g_FrameLength);
+    caseContext.Set<int>("frameStride", g_FrameStride);
+    caseContext.Set<float>("scoreThreshold", g_ScoreThreshold);
+    caseContext.Set<float>("trainingMean", g_TrainingMean);
+
+    /* Main program 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 = ClassifyVibrationHandler(
+                        caseContext,
+                        caseContext.Get<uint32_t>("clipIndex"),
+                        false);
+                break;
+            case MENU_OPT_RUN_INF_CHOSEN: {
+                printf("    Enter the data index [0, %d]: ",
+                       NUMBER_OF_FILES-1);
+                auto audioIndex = static_cast<uint32_t>(
+                        arm::app::ReadUserInputAsInt(platform));
+                executionSuccessful = ClassifyVibrationHandler(caseContext,
+                                                           audioIndex,
+                                                           false);
+                break;
+            }
+            case MENU_OPT_RUN_INF_ALL:
+                executionSuccessful = ClassifyVibrationHandler(
+                    caseContext,
+                    caseContext.Get<uint32_t>("clipIndex"),
+                    true);
+                break;
+            case MENU_OPT_SHOW_MODEL_INFO:
+                executionSuccessful = model.ShowModelInfoHandler();
+                break;
+            case MENU_OPT_LIST_AUDIO_CLIPS:
+                executionSuccessful = ListFilesHandler(caseContext);
+                break;
+            default:
+                printf("Incorrect choice, try again.");
+                break;
+        }
+    } while (executionSuccessful && bUseMenu);
+    info("Main loop terminated.\n");
+}