Initial commit: project docs and ignore rules

2026-05-03 23:19:51 -07:00
commit 197724f7a5
55 changed files with 35824 additions and 0 deletions
--- a/ESP32-C5-Toolkit/main/wifi_init.c
+++ b/ESP32-C5-Toolkit/main/wifi_init.c
@@ -0,0 +1,123 @@
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include "esp_wifi.h"
+#include "esp_log.h"
+#include "esp_event.h"
+#include "esp_netif.h"
+#include "nvs_flash.h"
+#include "board_config.h"
+
+// Define MACSTR and MAC2STR if not already defined
+#ifndef MAC2STR
+#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
+#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
+#endif
+
+static const char *TAG = "wifi_init";
+
+// Core frame bypass functions - use weak symbols to override library functions
+__attribute__((weak))
+int ieee80211_raw_frame_sanity_check(void* frame_ctrl, int32_t frame_len, int32_t ampdu_flag) {
+    // Always allow frame to pass the sanity check
+    return 0;
+}
+
+__attribute__((weak))
+bool ieee80211_is_frame_type_supported(uint8_t frame_type) {
+    // Support all frame types for packet sniffing
+    return true;
+}
+
+__attribute__((weak))
+int ieee80211_handle_frame_type(void* frame_ctrl, uint32_t* dport) {
+    // Allow all frame types
+    return 0;
+}
+
+// WiFi event handler
+static void wifi_event_handler(void* arg, esp_event_base_t event_base,
+                               int32_t event_id, void* event_data) {
+    if (event_base == WIFI_EVENT) {
+        switch (event_id) {
+            case WIFI_EVENT_AP_START:
+                ESP_LOGI(TAG, "✓✓✓ WiFi AP STARTED - SSID 'ESP32-C5-Toolkit' is now visible ✓✓✓");
+                break;
+            case WIFI_EVENT_AP_STOP:
+                ESP_LOGW(TAG, "WiFi AP STOPPED");
+                break;
+            case WIFI_EVENT_AP_STACONNECTED:
+                {
+                    wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
+                    ESP_LOGI(TAG, "Station "MACSTR" joined, AID=%d",
+                            MAC2STR(event->mac), event->aid);
+                }
+                break;
+            case WIFI_EVENT_AP_STADISCONNECTED:
+                {
+                    wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
+                    ESP_LOGI(TAG, "Station "MACSTR" left, AID=%d",
+                            MAC2STR(event->mac), event->aid);
+                }
+                break;
+            default:
+                break;
+        }
+    }
+}
+
+// Initialize WiFi in AP+STA mode (copied from working WiFi-Scanner project)
+void wifi_init_ap(void) {
+    // Initialize network interface
+    ESP_ERROR_CHECK(esp_netif_init());
+    
+    // Create default event loop
+    ESP_ERROR_CHECK(esp_event_loop_create_default());
+    
+    // IMPORTANT: Create BOTH STA and AP network interfaces
+    // This is required for APSTA mode to work properly
+    esp_netif_create_default_wifi_sta();
+    esp_netif_t *ap_netif = esp_netif_create_default_wifi_ap();
+    
+    if (ap_netif == NULL) {
+        ESP_LOGE(TAG, "Failed to create AP netif!");
+        return;
+    }
+    
+    // Initialize WiFi with default config
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+    
+    // Register event handler
+    ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, ESP_EVENT_ANY_ID,
+                                              &wifi_event_handler, NULL));
+    
+    // Configure AP settings
+    wifi_config_t wifi_config = {
+        .ap = {
+            .ssid = "ESP32-C5-Toolkit",
+            .password = "h4ck3rm4n",
+            .ssid_len = strlen("ESP32-C5-Toolkit"),
+            .channel = 1,
+            .authmode = WIFI_AUTH_WPA2_PSK,
+            .max_connection = 4,
+        },
+    };
+    
+    // Set WiFi to AP+Station mode (required for scanning while serving AP)
+    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_APSTA));
+    ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
+    ESP_ERROR_CHECK(esp_wifi_start());
+    
+    // Get and log the AP IP address (after WiFi starts)
+    esp_netif_ip_info_t ip_info;
+    esp_err_t ret = esp_netif_get_ip_info(ap_netif, &ip_info);
+    if (ret == ESP_OK) {
+        ESP_LOGI(TAG, "AP IP Address: " IPSTR, IP2STR(&ip_info.ip));
+    } else {
+        ESP_LOGI(TAG, "AP IP Address: 192.168.4.1 (default)");
+    }
+    
+    ESP_LOGI(TAG, "Wi-Fi AP+STA Started: SSID=ESP32-C5-Toolkit");
+    ESP_LOGI(TAG, "Web interface available at: http://192.168.4.1");
+}