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125 lines
3.0 KiB
125 lines
3.0 KiB
/*
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TUYA MODULE
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Copyright (C) 2019 by Maxim Prokhorov <prokhorov dot max at outlook dot com>
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*/
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#pragma once
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#include <cstdint>
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#include <algorithm>
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#include <vector>
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namespace Tuya {
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template <typename T>
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class States {
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public:
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struct Container {
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uint8_t dp;
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T value;
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};
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using iterator = typename std::vector<Container>::iterator;
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using const_iterator = typename std::vector<Container>::const_iterator;
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States(size_t capacity) :
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_capacity(capacity)
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{
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_states.reserve(capacity);
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}
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bool update(const uint8_t dp, const T value, bool create=false) {
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auto found = std::find_if(_states.begin(), _states.end(), [dp](const Container& internal) {
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return dp == internal.dp;
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});
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if (found != _states.end()) {
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if (found->value != value) {
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found->value = value;
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_changed = true;
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return true;
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}
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} else if (create) {
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_changed = true;
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_states.emplace_back(States::Container{dp, value});
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return true;
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}
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return false;
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}
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bool pushOrUpdate(const uint8_t dp, const T value) {
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if (_states.size() >= _capacity) return false;
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return update(dp, value, true);
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}
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bool changed() {
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bool res = _changed;
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if (_changed) _changed = false;
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return res;
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}
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Container& operator[] (const size_t n) {
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return _states[n];
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}
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size_t size() const {
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return _states.size();
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}
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size_t capacity() const {
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return _capacity;
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}
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iterator begin() {
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return _states.begin();
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}
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iterator end() {
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return _states.end();
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}
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const_iterator begin() const {
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return _states.begin();
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}
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const_iterator end() const {
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return _states.end();
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}
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private:
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bool _changed = false;
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size_t _capacity = 0;
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std::vector<Container> _states;
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};
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class DiscoveryTimeout {
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public:
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DiscoveryTimeout(uint32_t start, uint32_t timeout) :
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_start(start),
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_timeout(timeout)
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{}
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DiscoveryTimeout(uint32_t timeout) :
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DiscoveryTimeout(millis(), timeout)
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{}
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operator bool() {
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return (millis() - _start > _timeout);
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}
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void feed() {
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_start = millis();
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}
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private:
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uint32_t _start;
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const uint32_t _timeout;
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};
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}
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