Upload files to "/"

signal_manager.h

@@ -0,0 +1,86 @@
+// signal_manager.h - Signal Manager for CAN Signal Definitions
+
+#ifndef SIGNAL_MANAGER_H
+#define SIGNAL_MANAGER_H
+
+#include <Arduino.h>
+#include "dbc_parser.h"
+#include "types.h"
+
+// Maximum manual signals
+#define MAX_MANUAL_SIGNALS  50
+
+// Signal definition types
+enum SignalSource {
+  SIGNAL_SOURCE_NONE,
+  SIGNAL_SOURCE_DBC,
+  SIGNAL_SOURCE_MANUAL
+};
+
+// Signal definition (for manual and DBC signals)
+struct SignalDefinition {
+  char name[32];
+  uint32_t canId;
+  uint32_t startBit;
+  uint32_t length;
+  bool isLittleEndian;
+  bool isSigned;
+  float factor;
+  float offset;
+  SignalSource source;
+  bool enabled;
+  uint32_t dbcSignalIndex;
+};
+
+// Signal value (for real-time data)
+struct SignalValue {
+  char name[32];
+  float value;
+  uint32_t timestamp;
+  bool valid;
+};
+
+// Signal manager
+extern SignalDefinition signalDefs[MAX_MANUAL_SIGNALS];
+extern uint16_t signalDefCount;
+extern SignalValue signalValues[MAX_MANUAL_SIGNALS];
+
+// Initialize signal manager
+void initSignalManager();
+
+// Add manual signal definition
+bool addManualSignal(const char* name, uint32_t canId, uint32_t startBit, 
+                     uint32_t length, bool isLittleEndian, bool isSigned,
+                     float factor, float offset);
+
+// Remove signal definition
+bool removeSignal(const char* name);
+
+// Enable/disable signal for graphing
+bool enableSignal(const char* name, bool enable);
+
+// Get signal definition by name
+SignalDefinition* getSignalDef(const char* name);
+
+// Get signal value by name
+SignalValue* getSignalValue(const char* name);
+
+// Update signal value from CAN frame
+void updateSignalFromCAN(const CanFrame* frame);
+
+// Update all signal values from current CAN data
+void updateAllSignals(const CanFrame* frame);
+
+// Get enabled signals for WebSocket
+uint16_t getEnabledSignals(SignalValue* values, uint16_t maxCount);
+
+// Load signals from SD
+bool loadSignalsFromSD();
+
+// Save signals to SD
+bool saveSignalsToSD();
+
+// Get signals JSON for web
+void getSignalsJSON(char* buffer, size_t bufferSize);
+
+#endif // SIGNAL_MANAGER_H