Bluetooth stack: Difference between revisions

Revision as of 03:42, 3 November 2021

Revision as of 20:32, 22 February 2022

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[[Bluetooth]] stacks can be roughly divided into two distinct categories:

# ''General-purpose'' implementations that are written with emphasis on feature-richness and flexibility, usually for desktop [[computer]]s. Support for additional [[Bluetooth profile]]s can typically be added through [[device driver|driver]]s.

# ''[[Embedded system]]'' implementations intended for use in devices where resources are limited and demands are lower, such as Bluetooth [[peripheral device]]s.<ref name="“eetimeseetimes">{{cite web|title=Implementing Bluetooth in an Embedded Environment|url=http://www.eetimes.com/document.asp?doc_id=1275907|access-date=22 April 2015}}</ref>

==General-purpose implementations==

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The [[FreeBSD]] bluetooth stack is implemented using the [[Netgraph]] framework.<ref>{{cite web|title=FreeBSD Handbook: Advanced Networking - Bluetooth|url=https://www.freebsd.org/doc/handbook/network-bluetooth.html#idp82252392|access-date=2018-04-02}}</ref> A broad variety of Bluetooth USB dongles are supported by the ng_ubt driver.<ref>{{cite web|title=FreeBSD Kernel Interfaces Manual: NG_UBT(4)|url=https://www.freebsd.org/cgi/man.cgi?query=ng_ubt&sektion=4&manpath=freebsd-release-ports#HARDWARE|access-date=2018-04-02}}</ref>

The implementation was committed in 2002, and first released with [[FreeBSD version history#FreeBSD 5|FreeBSD 5.0]].<ref name=f>{{cite web |author= Maksim Yevmenkin |date= 2002 |url= http://bxr.su/f/share/man/man4/ng_bluetooth.4 |title= ng_bluetooth.4 — placeholder for global Bluetooth variables |website= BSD Cross Reference |publisher= [[FreeBSD]] |lay-url= http://mdoc.su/f/ng_bluetooth.4 }}</ref>

*{{cite book |section=ng_bluetooth -- placeholder for global Bluetooth variables |title=FreeBSD Manual Pages |url=http://mdoc.su/f/ng_bluetooth.4}}</ref>

====NetBSD====

[[NetBSD]] has its own Bluetooth implementation, committed in 2006, and first released with {{Section link|NetBSD#4.0}}.<ref name=n>{{cite web |author1= Iain Hibbert |author2= Itronix Inc |date= 2006 |url= http://bxr.su/n/share/man/man4/bluetooth.4 |title= bluetooth.4 — Bluetooth Protocol Family |website= BSD Cross Reference |publisher= [[NetBSD]] |lay-url= http://mdoc.su/n/bluetooth.4 }}</ref>

====OpenBSD====

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====DragonFly BSD====

[[DragonFly BSD]] has had NetBSD's Bluetooth implementation since 1.11 (2008), first released with {{Section link|DragonFly BSD#1.12}}.<ref name=d>{{cite web |editor= Hasso Tepper |date= 2008 |url= http://bxr.su/d/share/man/man4/bluetooth.4 |title= bluetooth.4 — Bluetooth Protocol Family |website= BSD Cross Reference |publisher= [[DragonFly BSD]] |lay-url= http://mdoc.su/n,d/bluetooth.4 }}</ref>

*{{cite book |section=bluetooth -- Bluetooth Protocol Family |title=DragonFly On-Line Manual Pages |url=http://mdoc.su/n,d/bluetooth.4}}</ref>

A [[netgraph]]-based implementation from [[FreeBSD]] has also been available in the tree since 2008, dating to an import of [[Netgraph]] from the FreeBSD 7 timeframe into DragonFly, but was possibly disabled until 2014-11-15, and may still require more work.<ref name=d_ng>{{cite web |url= http://bxr.su/d/sys/netgraph7/bluetooth/common/ng_bluetooth.c |title= sys/netgraph7/bluetooth/common/ng_bluetooth.c |website= BSD Cross Reference |publisher= [[DragonFly BSD]] }}</ref><ref>{{cite web |author= Sascha Wildner |date= 2014-11-15 |url= https://github.com/DragonFlyBSD/DragonFlyBSD/commit/e85b99abf6da4a83a7dc495b0ef37ce19864149f |title= kernel/netgraph7: Port the kernel part of the netgraph7 bluetooth stack. |publisher= [[DragonFly BSD]] }}</ref>

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The Windows 7/Vista/8/10 stack provides kernel-mode and user-mode APIs for its Bluetooth stack- so hardware and software vendors can implement additional profiles.<ref name="BTWindows"/>

Windows 10 (Version 1803) and later support Bluetooth version 5.0 and several Bluetooth profiles. <ref> [https://docs.microsoft.com/en-us/windows-hardware/drivers/bluetooth/general-bluetooth-support-in-windows Bluetooth Version and Profile Support in Windows 10] </ref>

====Broadcom WIDCOMM (BTW)====