blk_box_tc/main/drivers/nvs.cpp
2025-08-22 15:05:11 -05:00

64 lines
1.8 KiB
C++

#include "nvs.h"
#include "esp_log.h"
#include "bottom_half.h"
#include "char_lcd.h"
static const char* TAG = "nvs";
static const char* HWDATA_NAMESPACE = "hwdata";
static HWData hw_data;
bool init_nvs() {
ESP_LOGI(TAG, "Initializing NVS...");
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
// NVS partition was truncated, erase and retry
ESP_LOGE(TAG, "Failed to init nvs flash: %s.", esp_err_to_name(ret));
lcd_print(1, 0, "NVS: ");
lcd_print(1, 4, esp_err_to_name(ret));
lcd_print(2, 0, "Press Yellow to skip");
lcd_print(3, 0, "Press Red to erase");
ButtonKey button;
while (!( get_button_pressed(&button) && (button == ButtonKey::button_red || button == ButtonKey::button_yellow) )) vTaskDelay(pdMS_TO_TICKS(10));
lcd_clear();
if (button == ButtonKey::button_yellow) {
return false;
}
if (button == ButtonKey::button_red) {
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
}
ESP_ERROR_CHECK(ret);
nvs_handle_t hw_handle;
ret = nvs_open(HWDATA_NAMESPACE, NVS_READONLY, &hw_handle);
if (ret == ESP_ERR_NVS_NOT_FOUND) {
ESP_LOGW(TAG, "Partition \"%s\" has not been initialized. Loading defaults.", HWDATA_NAMESPACE);
hw_data = HWData();
} else {
ESP_ERROR_CHECK(ret);
hw_data = HWData::load(hw_handle);
nvs_close(hw_handle);
}
ESP_LOGI(TAG, "NVS initialized!");
return true;
}
HWData& get_hw_data() {
return hw_data;
}
void save_hw_data(bool force) {
nvs_handle_t hw_handle;
ESP_ERROR_CHECK(nvs_open(HWDATA_NAMESPACE, NVS_READWRITE, &hw_handle));
hw_data.save(hw_handle);
nvs_close(hw_handle);
}