mirror of
https://github.com/espressif/ESP8266_RTOS_SDK.git
synced 2025-10-20 22:31:30 +08:00
109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
// Copyright 2018-2019 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.
|
|
// 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 <stdint.h>
|
|
#include <reent.h>
|
|
#include <sys/times.h>
|
|
#include <sys/time.h>
|
|
|
|
#include "esp_system.h"
|
|
#include "esp_timer.h"
|
|
#include "rom/ets_sys.h"
|
|
|
|
#include "FreeRTOS.h"
|
|
#include "task.h"
|
|
#include "driver/soc.h"
|
|
|
|
static uint64_t s_boot_time;
|
|
|
|
static inline void set_boot_time(uint64_t time_us)
|
|
{
|
|
esp_irqflag_t flag;
|
|
|
|
flag = soc_save_local_irq();
|
|
s_boot_time = time_us;
|
|
soc_restore_local_irq(flag);
|
|
}
|
|
|
|
static inline uint64_t get_boot_time()
|
|
{
|
|
uint64_t result;
|
|
esp_irqflag_t flag;
|
|
|
|
flag = soc_save_local_irq();
|
|
result = s_boot_time;
|
|
soc_restore_local_irq(flag);
|
|
|
|
return result;
|
|
}
|
|
|
|
int _gettimeofday_r(struct _reent* r, struct timeval* tv, void* tz)
|
|
{
|
|
(void) tz;
|
|
|
|
if (tv) {
|
|
uint64_t microseconds = get_boot_time() + (uint64_t)esp_timer_get_time();
|
|
tv->tv_sec = microseconds / 1000000;
|
|
tv->tv_usec = microseconds % 1000000;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int settimeofday(const struct timeval* tv, const struct timezone* tz)
|
|
{
|
|
(void) tz;
|
|
|
|
if (tv) {
|
|
uint64_t now = ((uint64_t) tv->tv_sec) * 1000000LL + tv->tv_usec;
|
|
uint64_t since_boot = (uint64_t)esp_timer_get_time();
|
|
set_boot_time(now - since_boot);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
clock_t _times_r(struct _reent *r, struct tms *tms)
|
|
{
|
|
tms->tms_utime = xTaskGetTickCount();
|
|
tms->tms_stime = 0;
|
|
tms->tms_cutime = 0;
|
|
tms->tms_cstime = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int usleep(useconds_t us)
|
|
{
|
|
const int us_per_tick = portTICK_PERIOD_MS * 1000;
|
|
|
|
if (us < us_per_tick) {
|
|
ets_delay_us((uint32_t) us);
|
|
} else {
|
|
/* since vTaskDelay(1) blocks for anywhere between 0 and portTICK_PERIOD_MS,
|
|
* round up to compensate.
|
|
*/
|
|
vTaskDelay((us + us_per_tick - 1) / us_per_tick);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
unsigned int sleep(unsigned int seconds)
|
|
{
|
|
vTaskDelay(seconds * (1000 / portTICK_PERIOD_MS));
|
|
|
|
return 0;
|
|
}
|