mirror of
https://github.com/emsesp/EMS-ESP32.git
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66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/*
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* uuid-common - Microcontroller common utilities
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* Copyright 2019 Simon Arlott
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <uuid/common.h>
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#include <Arduino.h>
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namespace uuid {
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#define UPTIME_OVERFLOW 4294967295 // Uptime overflow value
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// returns system uptime in seconds
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uint32_t get_uptime_sec() {
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static uint32_t last_uptime = 0;
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static uint8_t uptime_overflows = 0;
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if (millis() < last_uptime) {
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++uptime_overflows;
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}
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last_uptime = millis();
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uint32_t uptime_seconds = uptime_overflows * (UPTIME_OVERFLOW / 1000) + (last_uptime / 1000);
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return uptime_seconds;
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}
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uint64_t get_uptime_ms() {
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static uint32_t high_millis = 0;
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static uint32_t low_millis = 0;
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if (get_uptime() < low_millis) {
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high_millis++;
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}
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low_millis = get_uptime();
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return ((uint64_t)high_millis << 32) | low_millis;
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}
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// added by proddy
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static uint32_t now_millis;
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void set_uptime() {
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now_millis = ::millis();
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}
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uint32_t get_uptime() {
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return now_millis;
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}
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} // namespace uuid
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