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authoralexander <alexander.efremov@arm.com>2021-03-26 21:42:19 +0000
committerKshitij Sisodia <kshitij.sisodia@arm.com>2021-03-29 16:29:55 +0100
commit3c79893217bc632c9b0efa815091bef3c779490c (patch)
treead06b444557eb8124652b45621d736fa1b92f65d /source/application/tensorflow-lite-micro/TensorFlowLiteMicro.cc
parent6ad6d55715928de72979b04194da1bdf04a4c51b (diff)
downloadml-embedded-evaluation-kit-21.03.tar.gz
Opensource ML embedded evaluation kit21.03
Change-Id: I12e807f19f5cacad7cef82572b6dd48252fd61fd
Diffstat (limited to 'source/application/tensorflow-lite-micro/TensorFlowLiteMicro.cc')
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diff --git a/source/application/tensorflow-lite-micro/TensorFlowLiteMicro.cc b/source/application/tensorflow-lite-micro/TensorFlowLiteMicro.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 "TensorFlowLiteMicro.hpp"
+
+#include "hal.h"
+
+void PrintTensorFlowVersion()
+{
+ info("uTFL version: %u.%u.%u\n", TF_MAJOR_VERSION, TF_MINOR_VERSION,
+ TF_PATCH_VERSION);
+}
+
+arm::app::QuantParams arm::app::GetTensorQuantParams(TfLiteTensor* tensor)
+{
+ arm::app::QuantParams params;
+ if (kTfLiteAffineQuantization == tensor->quantization.type) {
+ auto* quantParams = (TfLiteAffineQuantization*) (tensor->quantization.params);
+ if (quantParams && 0 == quantParams->quantized_dimension) {
+ if (quantParams->scale->size) {
+ params.scale = quantParams->scale->data[0];
+ }
+ if (quantParams->zero_point->size) {
+ params.offset = quantParams->zero_point->data[0];
+ }
+ } else if (tensor->params.scale != 0.0) {
+ /* Legacy tensorflow quantisation parameters */
+ params.scale = tensor->params.scale;
+ params.offset = tensor->params.zero_point;
+ }
+ }
+ return params;
+}
+