82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
#include "app_settings.h"
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#include "esp_log.h"
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#include "nvs.h"
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#include "nvs_flash.h"
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#define SETTINGS_NAMESPACE "radick"
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#define SETTINGS_KEY_BRIGHTNESS "brightness"
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#define SETTINGS_KEY_SOUND "sound"
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#define DEFAULT_BRIGHTNESS_PERCENT 78U
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#define DEFAULT_SOUND_ENABLED true
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static const char *TAG = "settings";
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static nvs_handle_t s_nvs;
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static bool s_ready;
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static esp_err_t init_nvs_partition(void)
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{
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esp_err_t err = nvs_flash_init();
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if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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err = nvs_flash_erase();
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if (err != ESP_OK) {
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return err;
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}
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err = nvs_flash_init();
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}
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return err;
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}
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esp_err_t app_settings_init(app_settings_t *settings)
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{
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if (settings == NULL) {
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return ESP_ERR_INVALID_ARG;
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}
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settings->brightness_percent = DEFAULT_BRIGHTNESS_PERCENT;
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settings->sound_enabled = DEFAULT_SOUND_ENABLED;
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esp_err_t err = init_nvs_partition();
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if (err != ESP_OK) {
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ESP_LOGW(TAG, "NVS unavailable: %s", esp_err_to_name(err));
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return err;
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}
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err = nvs_open(SETTINGS_NAMESPACE, NVS_READWRITE, &s_nvs);
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if (err != ESP_OK) {
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return err;
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}
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s_ready = true;
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uint8_t value = 0;
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if (nvs_get_u8(s_nvs, SETTINGS_KEY_BRIGHTNESS, &value) == ESP_OK &&
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value >= 10U && value <= 100U) {
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settings->brightness_percent = value;
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}
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if (nvs_get_u8(s_nvs, SETTINGS_KEY_SOUND, &value) == ESP_OK) {
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settings->sound_enabled = value != 0U;
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}
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return ESP_OK;
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}
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esp_err_t app_settings_set_brightness(uint8_t percent)
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{
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if (percent < 10U || percent > 100U) {
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return ESP_ERR_INVALID_ARG;
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}
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if (!s_ready) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_err_t err = nvs_set_u8(s_nvs, SETTINGS_KEY_BRIGHTNESS, percent);
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return err == ESP_OK ? nvs_commit(s_nvs) : err;
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}
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esp_err_t app_settings_set_sound(bool enabled)
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{
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if (!s_ready) {
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return ESP_ERR_INVALID_STATE;
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}
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esp_err_t err = nvs_set_u8(s_nvs, SETTINGS_KEY_SOUND, enabled ? 1U : 0U);
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return err == ESP_OK ? nvs_commit(s_nvs) : err;
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}
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