Support for other 802.15.4 network standards as well as Bluetooth 4.2?

davydnorris
Posts: 10
Joined: Thu Sep 15, 2016 8:11 am

Support for other 802.15.4 network standards as well as Bluetooth 4.2?

Postby davydnorris » Thu Sep 15, 2016 8:16 am

Hi Espressif,

Firstly big congratulations on the ESP32 release - I have been very excited to see this chip for a while now.

I was very, VERY interested in your announcement of built in BLE/Bluetooth 4.2 support, because this meant you have built in 802.15.4 radio layer.

Will you also be supporting other 802.15.4 based radio protocols such as Zigbee and 6loWPAN?? That would be AMAZING!!

WiFive
Posts: 3078
Joined: Tue Dec 01, 2015 7:35 am

Re: Support for other 802.15.4 network standards as well as Bluetooth 4.2?

Postby WiFive » Fri Sep 16, 2016 12:45 pm

davydnorris wrote: I was very, VERY interested in your announcement of built in BLE/Bluetooth 4.2 support, because this meant you have built in 802.15.4 radio layer.
Are you sure you aren't confusing that with 6lowpan over Bluetooth (6LoBTLE) which is independent of 802.15.4?

They did say 802.15.4 might be possible, but I don't see it happening any time soon.

davydnorris
Posts: 10
Joined: Thu Sep 15, 2016 8:11 am

Re: Support for other 802.15.4 network standards as well as Bluetooth 4.2?

Postby davydnorris » Sat Sep 17, 2016 4:33 am

No, I thought Bluetooth 4.2 ran over an 802.15.x radio but perhaps I am mistaken.

I've previously been using the TI CC2650 radio chip which supports BLE, Zigbee, and 6loWPAN native on a 802.15.4 radio and I so I thought they were all built on the same physical layer, and it got my hopes up for the ESP32, but maybe they are not.

http://www.ti.com/product/cc2650

WiFive
Posts: 3078
Joined: Tue Dec 01, 2015 7:35 am

Re: Support for other 802.15.4 network standards as well as Bluetooth 4.2?

Postby WiFive » Sun Sep 18, 2016 5:35 am

davydnorris wrote:No, I thought Bluetooth 4.2 ran over an 802.15.x radio but perhaps I am mistaken.

I've previously been using the TI CC2650 radio chip which supports BLE, Zigbee, and 6loWPAN native on a 802.15.4 radio and I so I thought they were all built on the same physical layer, and it got my hopes up for the ESP32, but maybe they are not.

http://www.ti.com/product/cc2650
Well Bluetooth is 802.15.1 but unless the chipset is specifically designed to be flexible like cc2650 there is no guarantee that you can do both 802.15.1 and 802.15.4 because there are differences.

davydnorris
Posts: 10
Joined: Thu Sep 15, 2016 8:11 am

Re: Support for other 802.15.4 network standards as well as Bluetooth 4.2?

Postby davydnorris » Sun Sep 18, 2016 1:46 pm

Shame.

With the CC2650 you change protocols simply by flashing a new stack. I thought it would be as simple as that with the ESP32

WiFive
Posts: 3078
Joined: Tue Dec 01, 2015 7:35 am

Re: Support for other 802.15.4 network standards as well as Bluetooth 4.2?

Postby WiFive » Sun Sep 18, 2016 9:47 pm

Yes flexibility is nice, but the vast majority of chipsets are either 802.15.1 or 802.15.4. Even TI has skus for the single mode versions 2620, 2630, 2640.

6LoBLEMesh could be a good option, unless you are trying to interface with existing 802.15.4 products.

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