Hello all, The question which I'm going to ask is not fully related to bluez. Sorry about that,- there is no other place I could ask this and hopefully someone from bluez community could give us a hint. We're using Intel Edison with BCM4334x (configured as a central role) to receive notifications from nRF51 peripheral. We're trying to achieve the highest possible throughput, so we've set up connection interval to 7.5 ms. The nRF51 supports up to 6 packets per connection event (each packet has 20 B for data) which gives theoretical throughput of: 20B / 7.5ms * 6 = 16000 B/s We've tested nRF51 using other BT LE dongle and this indeed works as expected, unfortunately when we try to receive this stream using BCM4334x we get only 2667 B/s which corresponds to 1 packet per connection event. I suspect that such timing is implemented in the BCM4334x firmware part which is closed source and I have only binary of version, the driver is available as open source but I couldn't find anything useful to fix my issue there: https://github.com/01org/edison-firmware https://github.com/01org/edison-bcm43340 We've been trying to sign NDA with Broadcom but it's not possible if you don't buy thousands of chips... I'd be appreciated for any hint regarding this issue. Many thanks, Krzysztof Rosiński -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
