A working industrial camera is a stack: from the sensor and its FPGA pipeline up through the USB controller, the streaming and control protocols, the GenICam feature model, the host transport, and the interoperability that decides whether the product works on anyone else's software. A camera that only works on the vendor application is a dead end commercially, and the failures at the feature-model layer are silent.
The stated concern is the firmware and FPGA layer, because that is where the visible engineering is. The real risk is one layer up, at the register-to-GenICam handshake, which has no safety net and fails silently. The firmware layer has a documented vendor-reference path and the controller DMA auto-inserts the leader and trailer. The feature model has neither, and a mistake there passes every in-house test and fails the moment a standard host tries to build the node map.
The reflex, and the fix.
Write the transport stack from scratch
Full control, and it feels like the serious engineering choice.
It spends the budget on the layer that already has a guided reference path, and leaves nothing for the layer that has no safety net at all.
Take the reference path for transport, spend the effort on the handshake
Accepting a vendor reference implementation for the part that is well trodden, and treating the feature model as the real engineering problem.
A camera visible to any standard host, with the silent-failure layer actually engineered rather than assumed.
Spend the effort where there is no safety net, because that is where the product is decided.
Migrating a proprietary camera to a standard transport
Replace the vendor transport boundary while the sensor, the FPGA pipeline, and the register hardware stay untouched, so the migration does not become a redesign.
Building the feature model from a register map, the lead facet
The register-to-XML handshake decides visibility to any host. A wrong node type, an inconsistent unit, or a manifest that misreports the XML size all fail silently, and none of them are caught by testing against the vendor's own application.
Preserving throughput with DMA streaming
Wrap the payload in transport without a CPU copy pipeline, using the controller DMA fabric for header and trailer insertion at line rate, up to 10 Gbps on the controller class used.
Re-pointing the operator application
Isolate the transport under the existing operator interface rather than rewriting the application, so the migration is a substitution at one boundary.
Interoperability and QA, the harder facet
Prove the camera behaves like a standard device on software that does not know how it was built, which is the only test that predicts what a customer will experience.
A single headline number hides where a system fails. This work was scored on the dimensions that actually decide whether it holds in production, measured on real, held-out cases rather than the demo path.
A camera that streams perfectly on the bench and on the vendor application, then fails to enumerate on a customer host because the manifest under-declared the XML size, with no error anywhere to explain it.
A proprietary camera migrated to a standard device visible to any conforming host, high-speed streaming preserved through DMA, the operator application kept and re-pointed at a standard transport, and interoperability proven on foreign software.
What it owns, and what it hands to a person.
The signal detail worth stating plainly: a manifest that under-declares XML size causes a host to read truncated XML and never build a node map, while the camera keeps streaming happily. That failure produces no error, passes in-house testing, and is invisible until a third-party host tries to enumerate the device.
In a layered product, the dangerous layer is the one with no reference implementation and no error path. Find the layer where a mistake is silent, and spend the engineering there rather than on the layer that is merely difficult.