[feat][tensorflow] add tensorflow demo

examples/tensorflow/main.c

@@ -0,0 +1,36 @@
+/* Copyright 2019 The TensorFlow Authors. All Rights Reserved.
+
+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 "main_functions.h"
+#include "hal_uart.h"
+
+/// Global Destructor for C++, which we're not using.
+/// See https://alex-robenko.gitbook.io/bare_metal_cpp/compiler_output/static#custom-destructors
+void *__dso_handle = NULL;
+
+int main()
+{
+    bflb_platform_init(0);
+    setup();
+    printf("model load successfully!!\n");
+
+    while (1) {
+        loop();
+    }
+
+    BL_CASE_SUCCESS;
+    while (1) {
+        bflb_platform_delay_ms(100);
+    }
+}