Files
dongheng 24e53102bf feat(pthread): modify for ESP8266
1. remove "IRAM_ATTR" from pthread function
2. modify "critical" function
3. remove SMP function
4. add platform support
2019-08-28 11:30:12 +08:00

145 lines
3.4 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 <sys/errno.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;
}
int clock_gettime (clockid_t clock_id, struct timespec *tp)
{
#if defined( WITH_FRC ) || defined( WITH_RTC )
if (tp == NULL) {
errno = EINVAL;
return -1;
}
struct timeval tv;
uint64_t monotonic_time_us = 0;
switch (clock_id) {
case CLOCK_REALTIME:
_gettimeofday_r(NULL, &tv, NULL);
tp->tv_sec = tv.tv_sec;
tp->tv_nsec = tv.tv_usec * 1000L;
break;
case CLOCK_MONOTONIC:
#if defined( WITH_FRC )
monotonic_time_us = (uint64_t) esp_timer_get_time();
#elif defined( WITH_RTC )
monotonic_time_us = get_rtc_time_us();
#endif // WITH_FRC
tp->tv_sec = monotonic_time_us / 1000000LL;
tp->tv_nsec = (monotonic_time_us % 1000000LL) * 1000L;
break;
default:
errno = EINVAL;
return -1;
}
return 0;
#else
errno = ENOSYS;
return -1;
#endif
}