CFOD Problem Revisited [Closed]

[galburt]

Continuing the discussion from Flashing green light problem [solved]:

@alh

I'm trying to setup the spark using Apple airport wi-fi and a u.fl antenna (which is plugged in). When I first plugged it in (USB to an iMac), it went through the sequence of light behaviors ending in "breathing cyan". But I was not able to connect to it through my iPhone 4. At that point I tried to reset it using the buttons and everything fell apart. Now its stuck at the flashing green stage. I went through the whole dfu flash procedure as recommended to no avail. What now?

Continuing the discussion from Smart Config has stopped working for all 7 of my cores:

@dermotos

I can still setup WiFi via USB.
I've tried the spark app, the TI Smart Config app.
Tried it on an iPad 3, iPhone 5 and iPhone 4S.
Tried it on my standard Airport Extreme network, and on a newly created Guest Network.

The spinner just spins forever, or eventually states "no cores found".

This was originally working when my first 2 cores arrived.

Also, I cannot (via USB) connect one of the cores to my Guest WiFi Network, yet I can connect it to my normal network. If I leave it on the standard network I get CFOD within a couple of hours. I want to move it temporarily to the Guest network, as another core which was experiencing CFOD on my main network is now behaving correctly on the Guest Network.

I didn't expect this to be so complicated!

[bko]

Hi @galburt

You have another thread with a similar title and the post you reference above are not necessarily CFOD related. The second one is almost certainly related to Apple routers with b/g and n networks with the same SSID, for instance.

Do you still need this thread?

[dermotos]

The reason why smart config doesn’t work on my network is I have an Airport Extreme. This is setup to broadcast the same SSID & WPA passphrase for 5Ghz and 2.4Ghz. My iPhone will jump on the 5Ghz one and the spark core only sees the 2.4Ghz one, which stops them talking using the smart config.

This is an sneaky, but completely understandable issue. I feel it should be made clear in the docs (maybe it already has?) as it was a while before I reached this “ah haaa!” moment

My two production cores (one controlling a striplight in my kitchen, another controlling my blinds) have been fine recently. I’d notice pretty quickly if these stopped working, and they’ve been fine for the last ~month. Although I do see the blind controller dropping off the network and flashing green/cyan for a bit before connecting back again. Hopefully this will be fixed competely once the CFOD patch is released officially, which I’m happy to wait for.

[galburt]

No, that empty message was a mistake. Sorry.