OTA without connecting to particle cloud

[moz]

Hey, I was wondering if there is any way to do OTA updates on my photon through a local gateway which has the new binary rather than connecting to the cloud?
Only the gateway will be connected to the internet to receive the new binaries and it should be able to distribute it to all the particle photons connected to it.

[ScruffR]

It's a while since, but you can give this a try

OTA over HTTP working example!

UPDATE: I was doing something dumb (see below). The code here works! I’m implementing my own Boron OTA update routine that pulls firmware from a web server. I’ve based my code on some of the great examples here on the forum, and all seems good until Spark_Finish_Firmware_Update fails with return code 1. After running with debug output and looking into deviceOS, I determined the reason for the return code of 1 (failure) is caused by CRC not matching. Specifically it is a CRC mismatch (MODULE_VA…