sascha/esphome
1
0
Fork 0
mirror of https://github.com/esphome/esphome.git synced 2025-11-04 09:01:49 +00:00
Code Issues Releases Wiki Activity

Correcting ESP32 flash save/load key calculation algorithm (#3416)

Browse Source 
Co-authored-by: Otto Winter <otto@otto-winter.com>
Co-authored-by: Dr. Zimmermann Zsolt <cina@storage1.cina.hu>
This commit is contained in:
Zimmermann Zsolt
2022-06-21 07:17:51 +02:00
committed by GitHub
parent fb2467f6f0
commit 37b6d442bd
2 changed files with 16 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
esphome/components/esp32/preferences.cpp
View File

@@ -36,6 +36,7 @@ class ESP32PreferenceBackend : public ESPPreferenceBackend {
save.key = key;
save.data.assign(data, data + len);
s_pending_save.emplace_back(save);
ESP_LOGVV(TAG, "s_pending_save: key: %s, len: %d", key.c_str(), len);
return true;
}
bool load(uint8_t *data, size_t len) override {
@@ -65,6 +66,8 @@ class ESP32PreferenceBackend : public ESPPreferenceBackend {
if (err != 0) {
ESP_LOGV(TAG, "nvs_get_blob('%s') failed: %s", key.c_str(), esp_err_to_name(err));
return false;
} else {
ESP_LOGVV(TAG, "nvs_get_blob: key: %s, len: %d", key.c_str(), len);
}
return true;
}
@@ -73,7 +76,6 @@ class ESP32PreferenceBackend : public ESPPreferenceBackend {
class ESP32Preferences : public ESPPreferences {
public:
uint32_t nvs_handle;
uint32_t current_offset = 0;
void open() {
nvs_flash_init();
@@ -97,12 +99,9 @@ class ESP32Preferences : public ESPPreferences {
ESPPreferenceObject make_preference(size_t length, uint32_t type) override {
auto *pref = new ESP32PreferenceBackend(); // NOLINT(cppcoreguidelines-owning-memory)
pref->nvs_handle = nvs_handle;
current_offset += length;
uint32_t keyval = current_offset ^ type;
char keybuf[16];
snprintf(keybuf, sizeof(keybuf), "%d", keyval);
pref->key = keybuf; // copied to std::string
uint32_t keyval = type;
pref->key = str_sprintf("%u", keyval);
return ESPPreferenceObject(pref);
}
@@ -121,6 +120,7 @@ class ESP32Preferences : public ESPPreferences {
ESP_LOGVV(TAG, "Checking if NVS data %s has changed", save.key.c_str());
if (is_changed(nvs_handle, save)) {
esp_err_t err = nvs_set_blob(nvs_handle, save.key.c_str(), save.data.data(), save.data.size());
ESP_LOGV(TAG, "sync: key: %s, len: %d", save.key.c_str(), save.data.size());
if (err != 0) {
ESP_LOGV(TAG, "nvs_set_blob('%s', len=%u) failed: %s", save.key.c_str(), save.data.size(),
esp_err_to_name(err));

11
esphome/components/number/automation.cpp
View File

@@ -6,8 +6,17 @@ namespace number {
static const char *const TAG = "number.automation";
union convert {
float from;
uint32_t to;
};
void ValueRangeTrigger::setup() {
this->rtc_ = global_preferences->make_preference<bool>(this->parent_->get_object_id_hash());
float local_min = this->min_.value(0.0);
float local_max = this->max_.value(0.0);
convert hash = {.from = (local_max - local_min)};
uint32_t myhash = hash.to ^ this->parent_->get_object_id_hash();
this->rtc_ = global_preferences->make_preference<bool>(myhash);
bool initial_state;
if (this->rtc_.load(&initial_state)) {
this->previous_in_range_ = initial_state;