Date: Sun, 22 Mar 2015 11:23:42 -0700 From: Waitman Gobble <gobble.wa@gmail.com> To: Maksim Yevmenkin <maksim.yevmenkin@gmail.com> Cc: "freebsd-bluetooth@freebsd.org" <freebsd-bluetooth@freebsd.org>, Iain Hibbert <plunky@ogmig.net> Subject: Re: register HID with SDP error Message-ID: <CAFuo_fw_iYPb6uMARb0V-FWX3WJPTLB8KL6wznXt5_2RDeV00g@mail.gmail.com> In-Reply-To: <CAFuo_fyEKnbXx_OAtu7-fACwS0R=QdgVMv4oxdZxXfrtMeqEwQ@mail.gmail.com> References: <CAFuo_fy9xRU2T3GUPY8116yZCUd8sL9pBQ9ixXnMwO56niJFog@mail.gmail.com> <CAFuo_fzdmB79qdoH8P5EcO_ZZoa=_id6h=eqFBXvP_a%2B3WMkLw@mail.gmail.com> <CAFuo_fzB3A5L3vivH7Z80OEoBtVEHftEYE4LUkhnrkguzL5GDA@mail.gmail.com> <CAFuo_fzrk%2BWLXivZrnTsGQD%2BS7mq%2BUSXB7Mn6%2BJT=y64JakGSw@mail.gmail.com> <CAFPOs6q3iVcNthF=S--UgTm=5wA0HM6coqB7AcmCKb=55OWdTQ@mail.gmail.com> <CAFuo_fxgBVKxmzbJs%2B-XDz%2Bu4tb2_i3eYXSa-oiOoU%2BQD6ApwQ@mail.gmail.com> <CAFPOs6r_D7bcGCMP_bP%2BQtZgKt7Oj5jRJ2v872RODekn%2B6xv1Q@mail.gmail.com> <CAFuo_fwPuaD4bYwfZou0RBswZsTmdtVZA1B2GqUdo3ZJJiWRQg@mail.gmail.com> <0AD7A2F7-37BE-4F6A-9FD6-F6C81B2CAF36@gmail.com> <CAFuo_fye5RWNtjsutHa%2BbXL0AYHYRpJxW-b=48o0iMwX227wdA@mail.gmail.com> <alpine.NEB.2.11.1503170658130.4414@galant.ogmig.net> <CAFuo_fx47uRC-eKD_KtsSsrMCQZauyHyCOgRxGbtp_WEZ49o_Q@mail.gmail.com> <CAFPOs6rYXOFPk5_nqXivToUvGRjXDMS=XL60RyKbMQm7nP8wFg@mail.gmail.com> <CAFuo_fw5-YtH_sj3Ft52hpfXEP8QCkweptJzT0eUSos9DoBZ%2BA@mail.gmail.com> <CAFuo_fzSMNvwewpkKxcLr9aHyTcwaVgcreLtexSo=FNzNhC6og@mail.gmail.com> <CAFPOs6rJ_SaKjmXrbr%2Bpa9BoVL2HtjkzoyBo015BFK1QB9ZVsQ@mail.gmail.com> <CAFuo_fxGgWYp5x=xWbFogj8F8ZMULFQw_HOWZiJ42=vDO7tXnQ@mail.gmail.com> <CAFPOs6o7jrULqF%2BVSbZ0ckFx3MqAbO-eHyL5FfToTL4xMxSBLQ@mail.gmail.com> <CAFuo_fxocC6KhHqXf2HWpMLFNMFo2tdmv4RMv1MYYBXkC=3FJg@mail.gmail.com> <CAFuo_fwp_Nb2kOk=7qKO6VV5%2Bu_MG5GwaKYkwKFDjUuVo%2BG-aw@mail.gmail.com> <CAFPOs6rNSqS=ZyZKZDWy2T437bkoXpfKEFn_Znpo7X6UgXMNVw@mail.gmail.com> <CAFuo_fzMaRu-VgP48GqETT6AfYT20eR6Ry13J=CiC=mibSvCig@mail.gmail.com> <CAFPOs6oBd4OagKixg6NH-uWzWCc4g%2B7U-uO1VdQY-UzzcZQBPA@mail.gmail.com> <CAFuo_fwoQLpsKCi7BnkUos31CH4LFqqtf0dCP7a5VREeDUi2uw@mail.gmail.com> <CAFuo_fyEKnbXx_OAtu7-fACwS0R=QdgVMv4oxdZxXfrtMeqEwQ@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> > Max, > > I solved the problem, I got rid of the 'release key' structure and > change vkeyb->key[0] to 0, then send that as a key release. Its > working now. > > I believe I just need to handle client disconnects, and re-connects, > and I think it will be all good. > > Thanks for your help. > > -- > Waitman Gobble > Los Altos California USA > 510-830-7975 Here's an updated version in case someone needs this sort of thing. daemonized process, uses SIGHUP to disconnect clients and added upper/lower characters and some special characters. Optionally set key stroke delay. https://github.com/waitman/hid_sppd This version only allows a single client connection and single FIFO at one time. Maybe in the future, handle multiple FIFO buffers and clients. But at the moment I don't believe I have a need for that functionality. I needed a way to add BT HID functionality to my inexpensive long-range RFID reader/writer device, because apparently people want to have RFID EPC codes auto-type (into their software applications?). You may specify PID File, FIFO buffer file and keystroke delay (or use the defaults). Keystroke delay is specified in milliseconds. # hid_sppd -P /var/run/boo.pid -F /tmp/fifotmp -d 50 Some examples of sending characters to client: # echo "222223333344444A" >> /tmp/fifotmp or if you need special characters like "\n" and "\t" # printf "22;222\t33 33\t44.444AabcdE\nEEeeeX " >> /tmp/fifotmp (Note that if you use 'printf' then add an extra trailing space.) so, any program should be able to write to the FIFO buffer. To disconnect clients: # pkill -HUP -F /var/run/boo.pid It's possible bad things may happen if you try to send like a Gigabyte of data to the FIFO buffer. It's a thought, but I haven't stress-tested it like that. I'm fairly new to Bluetooth so I don't yet fully understand how everything works together but it seems like a good future project (and possibly GSOC for a student) would be to implement BLE/GATT, and other protocols in this age of 'wearable devices'? -- Waitman Gobble Los Altos California USA 510-830-7975
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAFuo_fw_iYPb6uMARb0V-FWX3WJPTLB8KL6wznXt5_2RDeV00g>