mbed-os/secure_time/secure_time_utils.cpp

40 lines
1.1 KiB
C++

/* Copyright (c) 2018 ARM Limited
*
* 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 <secure_time_utils.h>
#include "secure_time_client_spe.h"
#include "mbed_error.h"
#include "rtos/Kernel.h"
using namespace rtos;
#define SECURE_TIME_MILLISECS_IN_SEC (1000UL)
static uint64_t g_boot_time_in_secs = 0;
uint64_t secure_time_get_seconds_since_boot(void)
{
return Kernel::get_ms_count() / SECURE_TIME_MILLISECS_IN_SEC;
}
void secure_time_update_boot_time(uint64_t new_time)
{
g_boot_time_in_secs = new_time - secure_time_get_seconds_since_boot();
}
uint64_t secure_time_get_boot_time(void)
{
return g_boot_time_in_secs;
}