Diff: tickcounter_mbed.cpp

Revision:

0:fa2de1b79154

Child:

16:18e7ebd42bb2

diff -r 000000000000 -r fa2de1b79154 tickcounter_mbed.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tickcounter_mbed.cpp	Fri Apr 08 12:01:36 2016 -0700
@@ -0,0 +1,59 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+#include <cstdlib>
+
+#ifdef _CRTDBG_MAP_ALLOC
+#include <crtdbg.h>
+#endif
+
+#include <cstdio>
+#include <cctype>
+#include "mbed.h"
+#include "azure_c_shared_utility/tickcounter.h"
+
+class TICK_COUNTER_INSTANCE_TAG
+{
+public:
+    clock_t last_clock_value;
+    uint64_t current_ms;
+};
+
+TICK_COUNTER_HANDLE tickcounter_create(void)
+{
+    TICK_COUNTER_INSTANCE_TAG* result;
+    result = new TICK_COUNTER_INSTANCE_TAG();
+    result->last_clock_value = clock();
+    result->current_ms = result->last_clock_value * 1000 / CLOCKS_PER_SEC;
+    return result;
+}
+
+void tickcounter_destroy(TICK_COUNTER_HANDLE tick_counter)
+{
+    if (tick_counter != NULL)
+    {
+        delete tick_counter;
+    }
+}
+
+int tickcounter_get_current_ms(TICK_COUNTER_HANDLE tick_counter, uint64_t* current_ms)
+{
+    int result;
+    if (tick_counter == NULL || current_ms == NULL)
+    {
+        result = __LINE__;
+    }
+    else
+    {
+        TICK_COUNTER_INSTANCE_TAG* tick_counter_instance = (TICK_COUNTER_INSTANCE_TAG*)tick_counter;
+
+        clock_t clock_value = clock();
+
+        tick_counter_instance->current_ms += (clock_value - tick_counter_instance->last_clock_value) * 1000 / CLOCKS_PER_SEC;
+        tick_counter_instance->last_clock_value = clock_value;
+        *current_ms = tick_counter_instance->current_ms;
+
+        result = 0;
+    }
+    return result;
+}