Azure IoT common library
Fork of azure_c_shared_utility by
tickcounter_mbed.cpp
- Committer:
- wiggly
- Date:
- 2017-08-24
- Revision:
- 34:651c23af382c
- Parent:
- 21:b92006c5b9ff
File content as of revision 34:651c23af382c:
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
#include "mbed.h"
#include "azure_c_shared_utility/optimize_size.h"
#include "azure_c_shared_utility/tickcounter.h"
class TICK_COUNTER_INSTANCE_TAG
{
public:
clock_t last_clock_value;
tickcounter_ms_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, tickcounter_ms_t * current_ms)
{
int result;
if (tick_counter == NULL || current_ms == NULL)
{
result = __FAILURE__;
}
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;
}
