added Function to create CAN-Traces from WebUI

Software/include/can_hal.h

@@ -23,9 +23,23 @@ struct CanHalConfig {
 // ==== Universeller Filter-Descriptor ====
 struct CanFilter {
   uint32_t id;   // 11-bit oder 29-bit Roh-ID
-  bool     ext;  // false=STD(11-bit), true=EXT(29-bit)
+  bool     ext;  // false = STD(11-bit), true = EXT(29-bit)
 };
 
+// =====================
+// Trace / Logging Types
+// =====================
+struct CanLogFrame {
+  uint32_t ts_ms;
+  uint32_t id;
+  bool     ext;
+  bool     rx;    // true = RX, false = TX
+  uint8_t  dlc;
+  uint8_t  data[8];
+};
+
+using CanTraceSink = void (*)(const CanLogFrame& f);
+
 // ==== API ====
 
 // 1) Einmalige Hardware-Initialisierung + integrierter Loopback-Selftest.
@@ -51,9 +65,14 @@ bool CAN_HAL_AddFilter(const CanFilter& f);
 bool CAN_HAL_SetFilters(const CanFilter* list, size_t count);
 
 // Non-blocking IO
-bool    CAN_HAL_Read(unsigned long& id, uint8_t& len, uint8_t data[8]);             // true=Frame gelesen
+bool    CAN_HAL_Read(unsigned long& id, uint8_t& len, uint8_t data[8]);             // true = Frame gelesen
 uint8_t CAN_HAL_Send(unsigned long id, bool ext, uint8_t len, const uint8_t* data); // CAN_OK bei Erfolg
 
-// Diagnose/Utilities (nutzen MCP-APIs)
-uint8_t CAN_HAL_GetErrorFlags();                 // Intern: getError()
+// Diagnose/Utilities
+uint8_t CAN_HAL_GetErrorFlags();                         // Intern: getError()
 void    CAN_HAL_GetErrorCounters(uint8_t& tec, uint8_t& rec); // TX/RX Error Counter
+
+// Trace / Sniffer
+void CAN_HAL_SetTraceSink(CanTraceSink sink);
+void CAN_HAL_EnableRawSniffer(bool enable);
+bool CAN_HAL_IsRawSnifferEnabled();

Software/include/can_obd2.h

@@ -1,6 +1,5 @@
 #pragma once
 #include <Arduino.h>
-#include "can_hal.h"
 
 // Initialisiert das OBD2-CAN-Profil:
 // - setzt Masken/Filter für 0x7E8..0x7EF (ECU-Antworten)

Software/include/webui.h

@@ -46,4 +46,6 @@ void Webserver_Shutdown();
 void Websocket_PushLiveDebug(String Message);
 void Websocket_PushNotification(String Message, NotificationType_t type);
 
+void TRACE_OnObdFrame(uint32_t id, bool rx, const uint8_t *d, uint8_t dlc, const char *note);
+
 #endif // _WEBUI_H_