Yeah - worked for about 10 mins, then eventually gives up and sits in fast-cyan without my code running.
If people want to develop in spite of this, I think here’s how (I’m using Serial.begin(230000) which is working fine to see how my project is going absent the wifi right now):
a) put this at the top of your code: SYSTEM_MODE(MANUAL);
b) click the little cloud icon from build.particle.io to download your code to a file (note: you can’t use the network this way)
c) go into DFU (yellow flashing)
d) flash your program: dfu-util -d 2b04:d006 -a 0 -s 0x80A0000 -D [filename].bin
e) hit reset - now it runs (normally, it will not run if wifi fails, and in my case, it always fails after about 30mins or so)
references:
DFU
or https://github.com/spark/firmware/releases
System modes:
https://docs.particle.io/reference/firmware/photon/#system-modes