KB89758
Published: November 2, 2021
Revision: 2.0

Viewing invalid float values on Generic MMP or Scratch Pad page causes incorrect behavior


Applies To:

Firmware for the following groov EPICs:

  • GRV-EPIC-PR1
  • GRV-EPIC-PR2

Firmware for the following groov RIOs:

  • GRV-R7-MM1001-10
  • GRV-R7-MM2001-10

Versions Affected:

groov EPICs: 3.2.0 to 3.2.2 (may affect earlier versions)
groov RIOs: 3.2.0 to current (may affect earlier versions)

Resolved In Version:

groov EPICs: 3.3.0


Symptoms:

When viewing float values on the Generic MMP page (from the groov Manage Home page, click I/O > I/O Tools > Generic MMP), an invalid value (for example, a NaN) causes the value field—and subsequent fields—to be blank. In the following example, 0xF0D82008 has an invalid value; the value is blank for this and all subsequent addresses:



The same issue occurs on the Scratch Pad page (from the groov Manage Home page, click I/O > I/O Tools > Scratch Pad). In the following example, index 2 has an invalid value; the value is blank for index 2 and all subsequent indexes:

Resolution:

Opto 22 has resolved this issue and will include the fix in an upcoming release.

Questions?

Contact: Opto 22 Product Support.
Phone: 800-835-6786 or 951-695-3080
Email: support@opto22.com


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