mirror of https://github.com/esphome/esphome.git
67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
#pragma once
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#ifdef USE_HOST
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#include "esphome/core/preferences.h"
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#include <map>
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namespace esphome {
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namespace host {
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class HostPreferenceBackend : public ESPPreferenceBackend {
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public:
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explicit HostPreferenceBackend(uint32_t key) { this->key_ = key; }
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bool save(const uint8_t *data, size_t len) override;
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bool load(uint8_t *data, size_t len) override;
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protected:
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uint32_t key_{};
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};
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class HostPreferences : public ESPPreferences {
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public:
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bool sync() override;
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bool reset() override;
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ESPPreferenceObject make_preference(size_t length, uint32_t type, bool in_flash) override;
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ESPPreferenceObject make_preference(size_t length, uint32_t type) override {
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return make_preference(length, type, false);
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}
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bool save(uint32_t key, const uint8_t *data, size_t len) {
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if (len > 255)
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return false;
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this->setup_();
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std::vector vec(data, data + len);
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this->data[key] = vec;
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return true;
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}
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bool load(uint32_t key, uint8_t *data, size_t len) {
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if (len > 255)
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return false;
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this->setup_();
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if (this->data.count(key) == 0)
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return false;
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auto vec = this->data[key];
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if (vec.size() != len)
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return false;
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memcpy(data, vec.data(), len);
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return true;
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}
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protected:
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void setup_();
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bool setup_complete_{};
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std::string filename_{};
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std::map<uint32_t, std::vector<uint8_t>> data{};
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};
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void setup_preferences();
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extern HostPreferences *host_preferences; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
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} // namespace host
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} // namespace esphome
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#endif // USE_HOST
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