LIN: Network support

include/icsneo/communication/message/linmessage.h

@@ -0,0 +1,65 @@
+#ifndef __LINMESSAGE_H_
+#define __LINMESSAGE_H_
+
+#ifdef __cplusplus
+
+#include "icsneo/communication/message/message.h"
+#include "icsneo/communication/network.h"
+#include <vector>
+
+namespace icsneo {
+
+struct LINErrorFlags {
+	bool ErrRxBreakOnly = false;
+	bool ErrRxBreakSyncOnly = false;
+	bool ErrTxRxMismatch = false;
+	bool ErrRxBreakNotZero = false;
+	bool ErrRxBreakTooShort = false;
+	bool ErrRxSyncNot55 = false;
+	bool ErrRxDataLenOver8 = false;
+	bool ErrFrameSync = false;
+	bool ErrFrameMessageID = false;
+	bool ErrFrameResponderData = false;
+	bool ErrChecksumMatch = false;
+};
+
+struct LINStatusFlags {
+	bool TxChecksumEnhanced = false;
+	bool TxCommander = false;
+	bool TxResponder = false;
+	bool TxAborted = false;
+	bool UpdateResponderOnce = false;
+	bool HasUpdatedResponderOnce = false;
+	bool BusRecovered = false;
+	bool BreakOnly = false;
+};
+
+class LINMessage : public Frame {
+public:
+	static void calcChecksum(LINMessage& message);
+
+	enum class Type {
+		NOT_SET,
+		LIN_COMMANDER_MSG,
+		LIN_HEADER_ONLY,
+		LIN_BREAK_ONLY,
+		LIN_SYNC_ONLY,
+		LIN_UPDATE_RESPONDER,
+		LIN_ERROR
+	};
+
+	uint8_t ID = 0;
+	uint8_t protectedID = 0;
+	uint8_t checksum = 0;
+	LINMessage::Type type = Type::NOT_SET;
+	bool isEnhancedChecksum = false;
+	bool isLINStd2x = true;
+	LINErrorFlags errFlags;
+	LINStatusFlags statusFlags;
+};
+
+}
+
+#endif // __cplusplus
+
+#endif

include/icsneo/communication/message/message.h

@@ -18,6 +18,9 @@ public:
 
 		CANErrorCount = 0x100,
 
+		LINHeaderOnly = 0x200,
+		LINBreak = 0x201,
+
 		// Past 0x8000 are all for internal use only
 		Invalid = 0x8000,
 		RawMessage = 0x8001,

include/icsneo/communication/packet/linpacket.h

@@ -0,0 +1,66 @@
+#ifndef __LINPACKET_H__
+#define __LINPACKET_H__
+
+#ifdef __cplusplus
+
+#include "icsneo/communication/message/linmessage.h"
+#include "icsneo/api/eventmanager.h"
+#include "icsneo/communication/packetizer.h"
+#include "icsneo/communication/network.h"
+#include <cstdint>
+#include <memory>
+
+namespace icsneo {
+
+#pragma pack(push, 2)
+
+struct HardwareLINPacket {
+	static std::shared_ptr<Message> DecodeToMessage(const std::vector<uint8_t>& bytestream);
+	static bool EncodeFromMessage(LINMessage& message, std::vector<uint8_t>& bytestream, const device_eventhandler_t& report);
+	struct {
+		//CxLIN3
+		uint16_t ErrRxOnlyBreak : 1;
+		uint16_t ErrRxOnlyBreakSync : 1;
+		uint16_t ID : 11;
+		uint16_t NETWORKINDEX : 3;//DO NOT CLOBBER THIS
+
+		// CxLIN
+		uint8_t LINByte9;
+		uint8_t ErrTxRxMismatch : 1;
+		uint8_t TxChkSumEnhanced : 1;
+		uint8_t TXCommander : 1;
+		uint8_t TXResponder : 1;
+		uint8_t ErrRxBreakNotZero : 1;
+		uint8_t ErrRxBreakTooShort : 1;
+		uint8_t ErrRxSyncNot55 : 1;
+		uint8_t ErrRxDataGreater8 : 1;
+
+		// CxLIN2
+		uint16_t len : 4;
+		uint16_t ExtendedNetworkIndexBit2 : 1;//DO NOT CLOBBER THIS
+		uint16_t UpdateResponderOnce : 1;
+		uint16_t HasUpdatedResponderOnce : 1;
+		uint16_t ExtendedNetworkIndexBit : 1;//DO NOT CLOBBER THIS
+		uint16_t BusRecovered : 1;
+		uint16_t SyncFerr : 1; //Framing error in sync byte
+		uint16_t MidFerr : 1; // Framing error in message id
+		uint16_t ResponderByteFerr : 1; //Framing error in one of our responder bytes.
+		uint16_t TxAborted : 1;//!< This transmit was aborted.
+		uint16_t BreakOnly : 1;
+		uint16_t : 2;
+	} CoreMiniBitsLIN;
+
+	uint8_t data[8];
+
+	uint16_t stats; //CxTRB0STAT
+	uint64_t timestamp; //Large timestamp
+	//CoreMiniMsgExtendedHdr
+	uint16_t networkID;
+	uint16_t length;
+};
+
+#pragma pack(pop)
+
+} //namespace libicsneo
+#endif //_cplusplus
+#endif