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add screensaver and optimize performance

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Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
Peter Siegmund
2025-06-19 23:21:43 +02:00
parent 3ac9565007
commit d3dd96c93a
20 changed files with 402 additions and 21 deletions
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4
components/ruth/CMakeLists.txt
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@@ -1,7 +1,9 @@
if (DEFINED ENV{IDF_PATH})
idf_component_register(SRCS
persistence.c
persistence.c
INCLUDE_DIRS "include"
PRIV_REQUIRES
nvs_flash
)
return()
endif ()

16
components/ruth/include/persistence.h
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@@ -1,8 +1,18 @@
#pragma once
typedef enum
{
VALUE_TYPE_STRING,
VALUE_TYPE_INT32,
} persistence_value_t;
typedef struct
{
char *name;
void *handle;
void (*save)(const char *key, const char *value);
} persistence_t;
} persistence_t;
void *persistence_init(const char *namespace_name);
void persistence_save(persistence_value_t value_type, const char *key, const void *value);
void *persistence_load(persistence_value_t value_type, const char *key, void *out);
void persistence_deinit();

119
components/ruth/persistence.c
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@@ -1,3 +1,116 @@
//
// Created by Siegmund, Peter on 14.06.25.
//
#include "persistence.h"
#include "esp_err.h"
#include "esp_log.h"
#include "esp_mac.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "nvs_flash.h"
static const char *TAG = "persistence";
static nvs_handle_t persistence_handle;
static SemaphoreHandle_t persistence_mutex;
void *persistence_init(const char *namespace_name)
{
esp_err_t ret = nvs_flash_init();
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND)
{
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
ESP_ERROR_CHECK(ret);
ESP_ERROR_CHECK(nvs_open(namespace_name, NVS_READWRITE, &persistence_handle));
persistence_mutex = xSemaphoreCreateMutex();
if (persistence_mutex == NULL)
{
ESP_LOGE(TAG, "Failed to create mutex");
}
return &persistence_handle;
}
void persistence_save(persistence_value_t value_type, const char *key, const void *value)
{
if (persistence_mutex != NULL)
{
if (xSemaphoreTake(persistence_mutex, portMAX_DELAY) == pdTRUE)
{
esp_err_t err = ESP_ERR_INVALID_ARG;
switch (value_type)
{
case VALUE_TYPE_STRING:
err = nvs_set_str(persistence_handle, key, (char *)value);
break;
case VALUE_TYPE_INT32:
err = nvs_set_i32(persistence_handle, key, *(int32_t *)value);
break;
default:
ESP_LOGE(TAG, "Unsupported value type");
break;
}
if (err == ESP_OK)
{
ESP_ERROR_CHECK(nvs_commit(persistence_handle));
}
else
{
ESP_LOGE(TAG, "Error saving key %s: %s", key, esp_err_to_name(err));
}
xSemaphoreGive(persistence_mutex);
}
}
}
void *persistence_load(persistence_value_t value_type, const char *key, void *out)
{
if (persistence_mutex != NULL)
{
if (xSemaphoreTake(persistence_mutex, portMAX_DELAY) == pdTRUE)
{
esp_err_t err = ESP_ERR_INVALID_ARG;
switch (value_type)
{
case VALUE_TYPE_STRING:
err = nvs_get_str(persistence_handle, key, (char *)out, NULL);
break;
case VALUE_TYPE_INT32:
err = nvs_get_i32(persistence_handle, key, (int32_t *)out);
break;
default:
ESP_LOGE(TAG, "Unsupported value type");
break;
}
if (err != ESP_OK)
{
ESP_LOGE(TAG, "Error loading key %s: %s", key, esp_err_to_name(err));
}
xSemaphoreGive(persistence_mutex);
}
}
return out;
}
void persistence_deinit()
{
if (persistence_mutex != NULL)
{
vSemaphoreDelete(persistence_mutex);
persistence_mutex = NULL;
}
nvs_close(persistence_handle);
}