Hi Johan, 2016-04-28 19:54 GMT+09:00 Johan Hedberg <johan.hedberg@xxxxxxxxx>: > Hi Tak, > > On Thu, Apr 28, 2016, Hyuntak Lee wrote: >> I’m working on an embedded board of allwinner. >> I try to use BLE to communicate with mobile or other BLE peripheral devices. >> But kernel version of provided allwinner is ‘3.4’. >> I already know BlueZ5 BLE supports at least kernel 3.5 version, and >> ‘LEAdvertisingManager1’ is 4.1 and later versions support only. >> I would much prefer to use bluez, but the embedded system kernel >> version is too low. >> >> Do you have any plan for supporting the embedded system? >> Almost embedded systems are low kernel version. >> >> At this point, I can consider two options >> >> 1. Try to backports for updating Linux BT subsystem of kernel 4.1 and >> later. And try to BLE with the most recent bluez. >> 2. Find and try another BLE stack implementations >> >> Please give me some advice or an opinion. >> Thank you for your consideration. > > It'd probably make sense for you to look into the kernel backports > project. We've used that to e.g. backport the latest Bluetooth subsystem > to some old kernel versions used by Android: > > https://backports.wiki.kernel.org/index.php/Main_Page > Thank you for reply My purpose is that execute 'bluez-5.39/test/example-advertisement' script on 3.4 kernel version. But LEAdvertisingManager1 require 4.1 and later.(http://permalink.gmane.org/gmane.linux.bluez.kernel/63228) So, According to your advice I try to backport the bluetooth subsystem of 4.1 kernel to 3.4 kernel. (http://drvbp1.linux-foundation.org/~mcgrof/rel-html/backports/) Thank you for your consideration. Tak > Johan -- 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
