VHWA Introduction


  1. Introduction
  2. Licensing
  3. Documentation
  4. What's New
  5. Fixed Issues
  6. Known Issues
  7. Technical Support
  8. Package Versioning
  9. Trainings


The Vision Hardware Accelerator (VHWA) provides the logic to interface for MSC, NF, LDC, VISS, DOF and SDE accelerators. This is VHWA FVID2 driver documentation.


Refer to VHWA manifest [HTML].


VHWA Static Analysis Report Static Analysis Report (excluding AM62A and J722S) [XLSX]
VHWA Driver API Guide API Guide [HTML]
VHWA Performance Statistics Performance Statistics [HTML]
VHWA Test Report Test Report [Folder]

What's New

Here is a list of the new feature(s) supported in this release:

Fixed Issues

[VHWA-VISS]: LSC is now correctly applied in VHWA for VPAC3L.
[VHWA-VISS]: 16bit IR only output is now fixed for VPAC3L
[VHWA-MSC]: Error interrupts are protected against out of order interrupts for VPAC3
[VHWA]: Two and Three frame merge functionality is now available for VPAC3L
[VHWA-LDC]: LDC now supports 8 cameras for multicamera application for VPAC3L

Known Issues

ID Summary
PDK-12683 Chroma only output is not correct from Human Vision Pipeline when machine vision is enabled.
PDK-12681 Incorrect access of luma and chroma channel in luma only and chroma only mode causes corruption.
PDK-13230 Edge-enhancement mode not supported for HV-MV dual pipeline.
PDK-13229 CAC input for MV is not enabled in VHWA
PDK-13247 AEWB output incorrect for VISS for Three Frame Merge with two YUV420, saturation and AEWB output
PDK-12860 [VHWA-VISS]: Error check missing while setting VISS module specific configuration
- [VHWA]: DPC stats enable MMR is not configurable from VHWA VPAC3L.
- [VHWA]: DCC live tuning for AWB is not working properly on AM62A

Technical Support

For technical support and additional assistance, contact E2E Forum

Package Versioning

Each package version is composed of 4 period-delimited numbers - represented here by the letters M, m, p and b [M.m.p.b]. The table below provides a descriptive reference regarding package version numbering.

Digit Meaning Description
1 (M=Major) Major revision Incremented when the new version is substantially different from the previous For example, a new module added or an existing module's algorithm significantly altered.
2 (m=minor) Minor revision Incremented when the new version has changed but not in a major way. For example, some minor changes in the API or feature set.
3 (p=patch) Patch number Incremented for all other source code changes. This include any packaging support code.
4 (b=build) Build number Incremented for each release delivery to CM. Reset for any change to M, m or p


VHWA Overview VHWA Modules and SW Overview [PPTX]

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