day/night cycle on LED 1 from CSV file

Signed-off-by: Peter Siegmund <developer@mars3142.org>

firmware/components/simulator/CMakeLists.txt

@@ -0,0 +1,8 @@
+idf_component_register(SRCS 
+                        "simulator.c"
+                        "storage.c"
+                    INCLUDE_DIRS "include"
+                    PRIV_REQUIRES
+                        led-manager
+                        spiffs
+)

firmware/components/simulator/include/simulator.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "esp_check.h"
+#include <stdint.h>
+
+esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t blue);
+
+void cleanup_light_items(void);
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+    void simulate(void *args);
+#ifdef __cplusplus
+}
+#endif

firmware/components/simulator/include/storage.h

@@ -0,0 +1,5 @@
+#pragma once
+
+void initialize_storage();
+
+void load_file(const char *filename);

firmware/components/simulator/simulator.c

@@ -0,0 +1,120 @@
+#include "simulator.h"
+
+#include "esp_heap_caps.h"
+#include "esp_log.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "led_status.h"
+#include "storage.h"
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+
+static const char *TAG = "simulator";
+
+// The struct is extended with a 'next' pointer to form a linked list.
+typedef struct light_item_node_t
+{
+    char time[5];
+    uint8_t red;
+    uint8_t green;
+    uint8_t blue;
+    struct light_item_node_t *next;
+} light_item_node_t;
+
+// Global pointers for the head and tail of the list.
+static light_item_node_t *head = NULL;
+static light_item_node_t *tail = NULL;
+
+esp_err_t add_light_item(const char time[5], uint8_t red, uint8_t green, uint8_t blue)
+{
+    // Allocate memory for a new node in PSRAM.
+    light_item_node_t *new_node = (light_item_node_t *)heap_caps_malloc(sizeof(light_item_node_t), MALLOC_CAP_SPIRAM);
+    if (new_node == NULL)
+    {
+        ESP_LOGE(TAG, "Failed to allocate memory in PSRAM for new light_item_node_t.");
+        return ESP_FAIL;
+    }
+
+    // Initialize the data of the new node.
+    memcpy(new_node->time, time, sizeof(new_node->time));
+    new_node->red = red;
+    new_node->green = green;
+    new_node->blue = blue;
+    new_node->next = NULL;
+
+    // Append the new node to the end of the list.
+    if (head == NULL)
+    {
+        // If the list is empty, the new node becomes both head and tail.
+        head = new_node;
+        tail = new_node;
+    }
+    else
+    {
+        // Otherwise, append the new node to the end and update tail.
+        tail->next = new_node;
+        tail = new_node;
+    }
+
+    return ESP_OK;
+}
+
+void cleanup_light_items(void)
+{
+    light_item_node_t *current = head;
+    light_item_node_t *next_node;
+
+    while (current != NULL)
+    {
+        next_node = current->next;
+        heap_caps_free(current);
+        current = next_node;
+    }
+
+    head = NULL;
+    tail = NULL;
+    ESP_LOGI(TAG, "Cleaned up all light items.");
+}
+
+void simulate(void *args)
+{
+    ESP_LOGI(TAG, "Simulation task started with args: %p", args);
+
+    initialize_storage();
+    load_file("/spiffs/schema_02.csv");
+
+    if (head == NULL)
+    {
+        ESP_LOGW(TAG, "Light schedule is empty. Simulation will not run.");
+        vTaskDelete(NULL);
+        return;
+    }
+
+    ESP_LOGI(TAG, "Starting simulation loop.");
+    light_item_node_t *current_item = head;
+
+    while (1)
+    {
+        if (current_item == NULL)
+        {
+            current_item = head;
+            ESP_LOGI(TAG, "Reached end of schedule, restarting from head.");
+        }
+
+        ESP_LOGI(TAG, "Simulating time: %s -> R:%d, G:%d, B:%d", current_item->time, current_item->red,
+                 current_item->green, current_item->blue);
+        led_behavior_t led1_behavior = {
+            .mode = LED_MODE_SOLID,
+            .color = {.r = current_item->red, .g = current_item->green, .b = current_item->blue},
+            .on_time_ms = 0,
+            .off_time_ms = 0};
+        led_status_set_behavior(1, led1_behavior);
+
+        current_item = current_item->next;
+
+        vTaskDelay(pdMS_TO_TICKS(1000));
+    }
+
+    cleanup_light_items();
+}

firmware/components/simulator/storage.c

@@ -0,0 +1,77 @@
+#include "storage.h"
+#include "esp_check.h"
+#include "esp_log.h"
+#include "esp_spiffs.h"
+#include "simulator.h"
+#include <errno.h>
+#include <stdio.h>
+
+static const char *TAG = "storage";
+
+void initialize_storage()
+{
+    esp_vfs_spiffs_conf_t conf = {
+        .base_path = "/spiffs",         // Der Basispfad, unter dem das Dateisystem gemountet wird
+        .partition_label = NULL,        // NULL, um die erste gefundene SPIFFS-Partition zu verwenden
+        .max_files = 5,                 // Maximale Anzahl gleichzeitig geöffneter Dateien
+        .format_if_mount_failed = false // Partition formatieren, wenn das Mounten fehlschlägt
+    };
+
+    esp_err_t ret = esp_vfs_spiffs_register(&conf);
+
+    if (ret != ESP_OK)
+    {
+        if (ret == ESP_FAIL)
+        {
+            ESP_LOGE(TAG, "Failed to mount or format filesystem");
+        }
+        else if (ret == ESP_ERR_NOT_FOUND)
+        {
+            ESP_LOGE(TAG, "Failed to find SPIFFS partition");
+        }
+        else
+        {
+            ESP_LOGE(TAG, "Failed to initialize SPIFFS (%s)", esp_err_to_name(ret));
+        }
+        return; // Oder entsprechende Fehlerbehandlung
+    }
+}
+
+void load_file(const char *filename)
+{
+    ESP_LOGI(TAG, "Loading file: %s", filename);
+    FILE *f = fopen(filename, "r");
+    if (f == NULL)
+    {
+        ESP_LOGE(TAG, "Failed to open file for reading");
+        return;
+    }
+
+    char line[128]; // Puffer für eine Zeile, vergrößert für mehr Sicherheit
+    while (fgets(line, sizeof(line), f))
+    {
+        // Entferne möglichen Zeilenumbruch am Ende
+        char *pos = strchr(line, '\n');
+        if (pos)
+        {
+            *pos = '\0';
+        }
+
+        char time[5] = {0}; // 4 Zeichen + Nullterminator
+        int red, green, blue;
+
+        // Parse die Zeile im Format "HHMM,R,G,B"
+        int items_scanned = sscanf(line, "%4[^,],%d,%d,%d", time, &red, &green, &blue);
+        if (items_scanned == 4)
+        {
+            add_light_item(time, (uint8_t)red, (uint8_t)green, (uint8_t)blue);
+        }
+        else
+        {
+            ESP_LOGW(TAG, "Could not parse line: %s", line);
+        }
+    }
+
+    fclose(f);
+    ESP_LOGI(TAG, "Finished loading file.");
+}