Files
pico-keys-sdk/src/pico_time.c
Pol Henarejos 3d3b46a5b5 Fix ESP build.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2026-04-27 20:33:06 +02:00

91 lines
2.4 KiB
C

/*
* This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
* Copyright (c) 2022 Pol Henarejos.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "picokeys.h"
#include "pico_time.h"
#ifdef ESP_PLATFORM
#include <sys/time.h>
#endif
#ifdef _MSC_VER
#include <windows.h>
struct timezone
{
__int32 tz_minuteswest; /* minutes W of Greenwich */
bool tz_dsttime; /* type of dst correction */
};
int gettimeofday(struct timeval* tp, struct timezone* tzp)
{
(void)tzp;
// Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
// This magic number is the number of 100 nanosecond intervals since January 1, 1601 (UTC)
// until 00:00:00 January 1, 1970
static const uint64_t EPOCH = ((uint64_t)116444736000000000ULL);
SYSTEMTIME system_time;
FILETIME file_time;
uint64_t time;
GetSystemTime(&system_time);
SystemTimeToFileTime(&system_time, &file_time);
time = ((uint64_t)file_time.dwLowDateTime);
time += ((uint64_t)file_time.dwHighDateTime) << 32;
tp->tv_sec = (long)((time - EPOCH) / 10000000L);
tp->tv_usec = (long)(system_time.wMilliseconds * 1000);
return 0;
}
#endif
bool set_rtc = false;
bool has_set_rtc(void) {
return set_rtc;
}
void set_rtc_time(time_t t) {
#ifdef PICO_PLATFORM
struct timespec tv = {.tv_sec = t, .tv_nsec = 0};
aon_timer_set_time(&tv);
#else
struct timeval tv = {.tv_sec = t, .tv_usec = 0};
settimeofday(&tv, NULL);
#endif
set_rtc = true;
}
time_t get_rtc_time(void) {
#ifdef PICO_PLATFORM
struct timespec tv;
aon_timer_get_time(&tv);
return tv.tv_sec;
#else
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec;
#endif
}
void init_rtc(void) {
#ifdef PICO_PLATFORM
struct timespec tv = {0};
tv.tv_sec = 1577836800; // 2020-01-01
aon_timer_start(&tv);
#endif
}