85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <esp_log.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/queue.h>
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#include <nvs_flash.h>
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#include <nvs.h>
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#include "ili9341.h"
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#include "ice40.h"
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#include "hardware.h"
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static const char *TAG = "settings";
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esp_err_t nvs_init() {
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const esp_partition_t * nvs_partition = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_DATA_NVS, NULL);
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if (nvs_partition == NULL) return ESP_FAIL;
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esp_err_t res = nvs_flash_init();
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if (res != ESP_OK) {
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res = esp_partition_erase_range(nvs_partition, 0, nvs_partition->size);
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if (res != ESP_OK) return res;
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res = nvs_flash_init();
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if (res != ESP_OK) return res;
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}
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return ESP_OK;
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}
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esp_err_t nvs_get_str_fixed(const char* nvs_namespace, const char* key, char* target, size_t target_size, size_t* size) {
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nvs_handle_t handle;
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esp_err_t res;
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res = nvs_open(nvs_namespace, NVS_READWRITE, &handle);
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if (res != ESP_OK) return res;
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size_t required_size;
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res = nvs_get_str(handle, key, NULL, &required_size);
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if (res != ESP_OK) {
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nvs_close(handle);
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return res;
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}
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if (required_size > target_size) {
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nvs_close(handle);
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return ESP_FAIL;
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}
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res = nvs_get_str(handle, key, target, &required_size);
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if (size != NULL) *size = required_size;
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nvs_close(handle);
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return res;
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}
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uint8_t nvs_get_u8_default(const char* nvs_namespace, const char* key, uint8_t default_value) {
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nvs_handle_t handle;
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esp_err_t res;
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res = nvs_open(nvs_namespace, NVS_READWRITE, &handle);
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if (res != ESP_OK) return default_value;
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uint8_t target;
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res = nvs_get_u8(handle, key, &target);
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if (res != ESP_OK) {
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nvs_close(handle);
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return default_value;
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}
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nvs_close(handle);
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return target;
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}
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esp_err_t nvs_set_u8_fixed(const char* nvs_namespace, const char* key, uint8_t value) {
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nvs_handle_t handle;
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esp_err_t res;
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res = nvs_open(nvs_namespace, NVS_READWRITE, &handle);
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if (res != ESP_OK) return res;
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res = nvs_set_u8(handle, key, value);
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nvs_close(handle);
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return res;
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}
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