Please specify whether it is CANFD in the Message

[pelva]

Below is the CANFD dbc generated by CANdb++, with the canfd flag added to the last line

Although custom attributes can be parsed, I need to determine whether it is CANFD. Can the IsExtID field in the Message be changed to an enumeration, or IsCANFD be added?

VERSION ""


NS_ : 
	NS_DESC_
	CM_
	BA_DEF_
	BA_
	VAL_
	CAT_DEF_
	CAT_
	FILTER
	BA_DEF_DEF_
	EV_DATA_
	ENVVAR_DATA_
	SGTYPE_
	SGTYPE_VAL_
	BA_DEF_SGTYPE_
	BA_SGTYPE_
	SIG_TYPE_REF_
	VAL_TABLE_
	SIG_GROUP_
	SIG_VALTYPE_
	SIGTYPE_VALTYPE_
	BO_TX_BU_
	BA_DEF_REL_
	BA_REL_
	BA_DEF_DEF_REL_
	BU_SG_REL_
	BU_EV_REL_
	BU_BO_REL_
	SG_MUL_VAL_

BS_:

BU_:


BO_ 2147483904 New_Message_1: 8 Vector__XXX
 SG_ New_Signal_2 : 8|8@1- (1,0) [0|0] "" Vector__XXX
 SG_ New_Signal_1 : 0|8@1- (1,0) [0|0] "" Vector__XXX



BA_DEF_  "MultiplexExtEnabled" ENUM  "No","Yes";
BA_DEF_ BO_  "CANFD_BRS" ENUM  "0","1";
BA_DEF_  "DBName" STRING ;
BA_DEF_  "BusType" STRING ;
BA_DEF_ BU_  "NodeLayerModules" STRING ;
BA_DEF_ BU_  "ECU" STRING ;
BA_DEF_ BU_  "CANoeJitterMax" INT 0 0;
BA_DEF_ BU_  "CANoeJitterMin" INT 0 0;
BA_DEF_ BU_  "CANoeDrift" INT 0 0;
BA_DEF_ BU_  "CANoeStartDelay" INT 0 0;
BA_DEF_ BO_  "VFrameFormat" ENUM  "StandardCAN","ExtendedCAN","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","StandardCAN_FD","ExtendedCAN_FD";
BA_DEF_DEF_  "MultiplexExtEnabled" "No";
BA_DEF_DEF_  "CANFD_BRS" "1";
BA_DEF_DEF_  "DBName" "";
BA_DEF_DEF_  "BusType" "";
BA_DEF_DEF_  "NodeLayerModules" "";
BA_DEF_DEF_  "ECU" "";
BA_DEF_DEF_  "CANoeJitterMax" 0;
BA_DEF_DEF_  "CANoeJitterMin" 0;
BA_DEF_DEF_  "CANoeDrift" 0;
BA_DEF_DEF_  "CANoeStartDelay" 0;
BA_DEF_DEF_  "VFrameFormat" "StandardCAN";
BA_ "BusType" "CAN FD";
BA_ "DBName" "canfd";
BA_ "VFrameFormat" BO_ 2147483904 15;

[Adhara3]

 Hi,

VFrameFormat is not standard stuff, I mean this is quite Vector specific. I am a bit reluctant to add specific properties in the object based on non standard custom properties. What if the  VFrameFormat definition (BA_DEF_ BO_) and /or value (BA_DEF_DEF_ and BA_ ) is missing? What is default? Moreover, the list is quite open

ENUM  "StandardCAN","ExtendedCAN","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","reserved","StandardCAN_FD","ExtendedCAN_FD"

What about all those reserved?

We could eventually add an extension method for convenience, something like

public static string VFrameFormat(this Message message)
{
  // Checks for the VFrameFormat property and returns null if no property is found of the value if found
}

I would prefer keeping the string but let's say we go go for an enum then the values should be

public enum VFrameFormat
{
  NotSet = 0,
  Unknown, // Property set but value not recognized
  StandardCAN,
  ExtendedCAN,
  StandardCAN_FD,
  ExtendedCAN_FD
}

A

[pelva]

Adding extension methods is fine.

[Adhara3]

Hi,

the good thing about extension method is that you can write it yourself in your code extending current functionality, at least until we relese the new version.

public static VFrameFormat FrameFormat(this Message message)
{
    if (message.CustomProperties.TryGetValue("VFrameFormat", out var frameFormat) == false)
        return VFrameFormat.NotSet;

    switch (frameFormat.StringCustomProperty.Value)
    {
        case "StandardCAN":
            return VFrameFormat.StandardCan;
        case "ExtendedCAN" :
            return VFrameFormat.ExtendedCan;
        case "StandardCAN_FD" : 
            return VFrameFormat.StandardCanFd;
        case "ExtendedCAN_FD":
            return VFrameFormat.ExtendedCanFd;
        default:
            return VFrameFormat.Unknown;
    }
}

public enum VFrameFormat
{
    NotSet = 0,
    Unknown, // Property set but value not recognized
    StandardCan,
    ExtendedCan,
    StandardCanFd,
    ExtendedCanFd
}

Cheers A

[pelva]

That's awesome, thanks!