feat(aws_iot): add aws_iot support

IDF: release/v3.1, commit: 66dad0c5

components/aws_iot/include/timer_platform.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2010-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * Additions Copyright 2016 Espressif Systems (Shanghai) PTE LTD
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file 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.
+ */
+
+#ifndef AWS_IOT_PLATFORM_H
+#define AWS_IOT_PLATFORM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include "timer_interface.h"
+
+/**
+ * definition of the Timer struct. Platform specific
+ */
+struct Timer {
+    uint32_t start_ticks;
+    uint32_t timeout_ticks;
+    uint32_t last_polled_ticks;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* AWS_IOT_PLATFORM_H */