Final C-ITS Sniffer - All Blocks Complete

block4_integration.c

@@ -0,0 +1,111 @@
+/**
+ * Block 4: Integration und Flashen der Firmware auf ESP32-C5
+ * 
+ * Ziel: C-ITS Sniffer Firmware für ESP32-C5 compilieren und flashen
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <time.h>
+
+#include "sdkconfig.h"
+#include "esp_err.h"
+#include "esp_log.h"
+#include "esp_wifi.h"
+#include "nvs_flash.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+
+#include "block1_hardware_init.h"
+#include "block2_cits_parser.h"
+#include "block3_csv_writer.h"
+
+static const char *TAG = "CITS_SNIFER_MAIN";
+
+/**
+ * Sniffer Callback - Wird vom WiFi Promiscuous Mode aufgerufen
+ */
+static void sniffer_callback(void *recv_buf, wifi_promiscuous_pkt_type_t type)
+{
+    wifi_promiscuous_pkt_t *packet = (wifi_promiscuous_pkt_t *)recv_buf;
+    
+    // Nur MISC Typ für 802.11p verarbeiten
+    if (type != WIFI_PKT_MISC) {
+        return;
+    }
+    
+    // Verarbeite C-ITS Nachricht
+    if (packet->payload != NULL && packet->rx_ctrl.sig_len > 0) {
+        cits_process_packet(packet->payload, packet->rx_ctrl.sig_len,
+                           packet->rx_ctrl.timestamp / 1000000U,
+                           packet->rx_ctrl.timestamp % 1000000U);
+    }
+}
+
+/**
+ * C-ITS Sniffer aufsetzen
+ */
+static esp_err_t setup_cits_sniffer(void)
+{
+    // WiFi Promiscuous Mode starten
+    esp_err_t ret = start_promiscuous_mode(CITS_CHANNEL_0_MHZ);
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to start promiscuous mode");
+        return ret;
+    }
+    
+    // C-ITS Parser initialisieren
+    ret = cits_parser_init();
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to initialize C-ITS parser");
+        return ret;
+    }
+    
+    // CSV Writer initialisieren
+    ret = csv_writer_init();
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to initialize CSV writer");
+        return ret;
+    }
+    
+    ESP_LOGI(TAG, "C-ITS Sniffer Setup abgeschlossen");
+    return ESP_OK;
+}
+
+/**
+ * Hauptfunktion
+ */
+void app_main(void)
+{
+    ESP_LOGI(TAG, "C-ITS Sniffer für ESP32-C5 startet...");
+    
+    // NVS initialisieren
+    esp_err_t ret = init_nvs_flash();
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to initialize NVS");
+        return;
+    }
+    
+    // WiFi initialisieren
+    ret = initialize_wifi();
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to initialize WiFi");
+        return;
+    }
+    
+    // C-ITS Sniffer aufsetzen
+    ret = setup_cits_sniffer();
+    if (ret != ESP_OK) {
+        ESP_LOGE(TAG, "Failed to setup C-ITS Sniffer");
+        return;
+    }
+    
+    // Hauptschleife
+    ESP_LOGI(TAG, "C-ITS Sniffer läuft - Warte auf C-ITS Nachrichten...");
+    while (1) {
+        vTaskDelay(pdMS_TO_TICKS(1000));
+    }
+}