Microchip Technology APGDT001 User Manual
LIN Serial Analyzer User’s Guide Rev2.0
DS51675B-page 26
©
2008 Microchip Technology Inc.
3.8.2.6
DELETE BUTTON
Clicking the Delete button deletes the content that is highlighted in the “Master Frames”
field. (see the “Delete” procedure in Section 3.8.1.2 “Developing and Storing Message
Content”).
field. (see the “Delete” procedure in Section 3.8.1.2 “Developing and Storing Message
Content”).
3.8.3
Checksum Group
The checksum value is computed at send time. Selecting one of the
option buttons in the “Checksum” group, shown at right, determines
the type of checksum that will be calculated for all transmitted
master message frames, highlighted in the “Master Frames” field.
option buttons in the “Checksum” group, shown at right, determines
the type of checksum that will be calculated for all transmitted
master message frames, highlighted in the “Master Frames” field.
• classic – The checksum includes all data bytes.
• enhanced – The checksum includes identifier byte and all data
bytes.
• forced – (Enabled only in Debug mode.) The last byte in the message string is
sent in place of the calculated checksum. This is useful in checking slave error
handling.
handling.
If a slave response is requested (a ID value with no data bytes), the checksum is not
computed and the field is left blank.
computed and the field is left blank.
The checksum returned by the slave will be displayed in the “Checksum” field of the
Transaction window (see Section 3.3.5 “ChkSumType”.)
Transaction window (see Section 3.3.5 “ChkSumType”.)
3.9
STATUS BAR
The status bar at the bottom of the Interface window displays:
• Currently selected baud rate of master messages
• Dynamic LIN network status