Files
esphome-lsm6ds/esphome/components/host/preferences.h
T

59 lines
1.4 KiB
C++

#pragma once
#ifdef USE_HOST
#include "esphome/core/preference_backend.h"
#include <cstring>
#include <map>
#include <string>
#include <vector>
namespace esphome::host {
class HostPreferences final : public PreferencesMixin<HostPreferences> {
public:
using PreferencesMixin<HostPreferences>::make_preference;
bool sync();
bool reset();
ESPPreferenceObject make_preference(size_t length, uint32_t type, bool in_flash);
ESPPreferenceObject make_preference(size_t length, uint32_t type) { return make_preference(length, type, false); }
bool save(uint32_t key, const uint8_t *data, size_t len) {
if (len > 255)
return false;
this->setup_();
std::vector vec(data, data + len);
this->data[key] = vec;
return true;
}
bool load(uint32_t key, uint8_t *data, size_t len) {
if (len > 255)
return false;
this->setup_();
auto it = this->data.find(key);
if (it == this->data.end())
return false;
const auto &vec = it->second;
if (vec.size() != len)
return false;
memcpy(data, vec.data(), len);
return true;
}
protected:
void setup_();
bool setup_complete_{};
std::string filename_{};
std::map<uint32_t, std::vector<uint8_t>> data{};
};
void setup_preferences();
extern HostPreferences *host_preferences; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
} // namespace esphome::host
DECLARE_PREFERENCE_ALIASES(esphome::host::HostPreferences)
#endif // USE_HOST