Titan Electronics USB-2CAN-M - CAN_MSG Structure

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9.6.8 CAN_MSG Structure
• Members:
o Id
 Type: Unsigned Integer
 Message ID.
 Format: XXX (standard), XXXXXXXX (extended)
 Example: 1FF
o Size
 Type: Byte
 Message size.
 Format: A numeric value from 0~8
 Example: 8
o Data
 Type: Byte array with 8 elements
 Content of the data to be sent/received.
 Format: XX
 Example: 11
o Flags
 Type: Byte
 Determines the message ID type and timestamp settings.
 Format:
• 1, timestamp off, standard
• 2, timestamp off, extended
• 9, timestamp on, standard
• 10, timestamp on, extended
 Example: 9
o Timestamp
 Type: Unsigned Short
 Value of the timestamp.
 Format: No input from the user is required
 Example: 0
• Sample Message:
o With a CAN_MSG structure instance declared as myCANMSG:
 myCANMsg.ID = 1FF
 myCANMsg.Size = 3
 myCANMsg.Data(0) = 11
 myCANMsg.Data(1) = 22
 myCANMsg.Data(2) = 33
 myCANMsg.Flags = 10