96 lines
2 KiB
C++
96 lines
2 KiB
C++
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/*
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* ESP8266 FreeRTOS Firmware
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* Copyright (C) 2015 Michael Jacobsen
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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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* https://github.com/SuperHouse/esp-open-rtos
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*
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*/
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#ifndef COM_THOLUSI_ESP_OPEN_RTOS_TIMER_HPP
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#define COM_THOLUSI_ESP_OPEN_RTOS_TIMER_HPP
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#include "FreeRTOS.h"
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#include "task.h"
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namespace esp_open_rtos {
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namespace timer {
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#define __millis() (xTaskGetTickCount() * portTICK_RATE_MS)
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/******************************************************************************************************************
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* countdown_t
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*
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*/
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class countdown_t
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{
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public:
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/**
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*
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*/
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countdown_t()
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{
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interval_end_ms = 0L;
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}
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/**
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*
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* @param ms
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*/
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countdown_t(int ms)
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{
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countdown_ms(ms);
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}
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/**
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*
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* @return
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*/
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bool expired()
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{
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return (interval_end_ms > 0L) && (__millis() >= interval_end_ms);
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}
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/**
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*
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* @param ms
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*/
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void countdown_ms(unsigned long ms)
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{
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interval_end_ms = __millis() + ms;
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}
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/**
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*
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* @param seconds
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*/
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void countdown(int seconds)
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{
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countdown_ms((unsigned long)seconds * 1000L);
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}
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/**
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*
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* @return
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*/
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int left_ms()
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{
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return interval_end_ms - __millis();
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}
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private:
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portTickType interval_end_ms;
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};
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} // namespace timer {
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} // namespace esp_open_rtos {
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#endif
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