Merge pull request #33292 from openmv:openmv

PiperOrigin-RevId: 301496138
Change-Id: I97eb7cf00399d7336bdc7bf46c62bae6319dc3f6

tensorflow/lite/micro/openmvcam/debug_log.cc

@@ -0,0 +1,36 @@
+/* Copyright 2018 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 "tensorflow/lite/micro/debug_log.h"
+
+#include <stdio.h>
+#include <string.h>
+
+// These are set by openmv py_tf.c code to redirect printing to an error message
+// buffer...
+
+char* py_tf_putchar_buffer = NULL;
+size_t py_tf_putchar_buffer_len = 0;
+
+extern "C" void DebugLog(const char* s) {
+  for (size_t i = 0, j = strlen(s); i < j; i++) {
+    if (py_tf_putchar_buffer_len) {
+      *py_tf_putchar_buffer++ = s[i];
+      py_tf_putchar_buffer_len--;
+    } else {
+      putchar(s[i]);
+    }
+  }
+}