Hi, Thanks for your quick response, it sure explains it! rgs Kevin On Thu, Oct 18, 2012 at 10:59 AM, Anand Anand <anand.sinha85@xxxxxxxxx> wrote: > Hi Kevin, > > In short :- > > BREDR would stand for basic rate enhanced data rate controllers and > AMP would stand for Alternate MAC/PHY(AMP) controllers. > > Kindly go through the specification document- > BLUETOOTH SPECIFICATION Version 4.0 for better understanding. > > Some excerpts from the spec say :- > > Core has two components :- > a)Host > b)Controllers > > "An implementation of the Bluetooth Core has only one Primary Controller > which may be one of the following configurations: > • BR/EDR Controller including the Radio, Baseband, Link Manager and > optionally HCI. > • an LE Controller including the LE PHY, Link Layer and optionally HCI. > • a combined BR/EDR Controller portion and LE controller portion (as identified > in the previous two bullets) into a single Controller. This configuration > has only one Bluetooth device address shared by the combination in the > combined Controller. > A Bluetooth core system may additionally have one or more Secondary Controllers > described by the following configuration: > • an Alternate MAC/PHY (AMP) Controller including an 802.11 PAL (Protocol > Adaptation Layer), 802.11 MAC and PHY, and optionally HCI > " > quoted from Bluetooth core documentation. > > Hope it helped. > Regards, > Anand > > On Thu, Oct 18, 2012 at 1:56 PM, Kevin Wilson <wkevils@xxxxxxxxx> wrote: >> Hi, >> I see that the device type of hci_dev can be HCI_BREDR or HCI_AMP. >> (hci_register_dev() in net/bluetooth/hci_core.c). >> >> I have a question if I may: what are these two types? >> >> rgs, >> Kevin >> -- >> 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 -- 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
