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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Hi Tony<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Have mucked around with firemonkey mostly seems OK once you get your head round the slightly different syntax etc<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>With BTLE for Android not sure if it has been well implemented seems to be missing a function RequestMTU which sets the data pack size for gatt Android<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>And as a result the default size of 23 is used (ios and win don’t appear to have this issue)<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Had to do an ugly hack to set this to 75 my packet size<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Also not sure of the Issue about disconnecting etc<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'>Ian<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> delphi-bounces@listserver.123.net.nz <delphi-bounces@listserver.123.net.nz> <b>On Behalf Of </b>Tony Blomfield<br><b>Sent:</b> Thursday, 2 July 2020 10:31 PM<br><b>To:</b> NZ Borland Developers Group - Delphi List <delphi@listserver.123.net.nz><br><b>Subject:</b> Re: [DUG] Bluetooth LE connection Problems<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>I know nothing but am keen to know more. At this point have not tried compiling for Android for BTLE, but Id be keen to have someone to talk to.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>What is your overall impression of using Delphi for Android?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> <a href="mailto:delphi-bounces@listserver.123.net.nz">delphi-bounces@listserver.123.net.nz</a> [<a href="mailto:delphi-bounces@listserver.123.net.nz">mailto:delphi-bounces@listserver.123.net.nz</a>] <b>On Behalf Of </b>David O'Brien<br><b>Sent:</b> Thursday, 2 July 2020 7:55 PM<br><b>To:</b> NZ Borland Developers Group - Delphi List <<a href="mailto:delphi@listserver.123.net.nz">delphi@listserver.123.net.nz</a>><br><b>Subject:</b> Re: [DUG] Bluetooth LE connection Problems<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal>Sorry, Don’t know anything about the equipment, sounds like you are receiving data, perhaps you need to ping it occasionally to keep the connection alive? My Boom 3 disconnects if it gets nothing incoming for a while…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US>From:</span></b><span lang=EN-US> <a href="mailto:delphi-bounces@listserver.123.net.nz">delphi-bounces@listserver.123.net.nz</a> <<a href="mailto:delphi-bounces@listserver.123.net.nz">delphi-bounces@listserver.123.net.nz</a>> <b>On Behalf Of </b>Ian Fear<br><b>Sent:</b> Thursday, 2 July 2020 4:49 PM<br><b>To:</b> <a href="mailto:delphi@listserver.123.net.nz">delphi@listserver.123.net.nz</a><br><b>Subject:</b> [DUG] Bluetooth LE connection Problems<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>using Delphi 10.4 have a BLE Connection on Android tablet to Gatt server on Industrial device<o:p></o:p></p><p>have two characteristics to subscribe to this works fine<o:p></o:p></p><p>but about every minute it disconnects at which point I Must reconnect<o:p></o:p></p><p>and resubscribe to the characteristics taking about 15 or so seconds<o:p></o:p></p><p>as my incoming data is every second this is quite unsatisfactory<o:p></o:p></p><p>Any Ideas on what I have done wrong or need to do to improve the situation greatly appreciated<o:p></o:p></p><p>the issue appears to be in the Delphi App as nRF Connect does not demonstrate this problem<o:p></o:p></p><p>any Ideas Help Greatly Appreciated<o:p></o:p></p><p class=MsoNormal>Regards<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ian Fear<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>