Generic Attribute Profile (GATT) imatanthawuza dongosolo la ntchito pogwiritsa ntchito Attribute Protocol. Ndondomekoyi imatanthauzira ndondomeko ndi machitidwe a mautumiki ndi makhalidwe awo. Njira zomwe zafotokozedwa zikuphatikiza kuzindikira, kuwerenga, kulemba, kudziwitsa, ndikuwonetsa mikhalidwe, komanso kukonza kuwulutsa kwa mawonekedwe. Mu GATT, Seva ndi Makasitomala ndi mitundu iwiri yosiyana ya maudindo a GATT, ndizothandiza kupatukana.
Kodi GATT Server ndi chiyani?
Ntchito ndi kusonkhanitsa deta ndi machitidwe ogwirizana kuti akwaniritse ntchito inayake. Mu GATT, ntchito imatanthauzidwa ndi tanthauzo lake. Tanthauzo la mautumiki likhoza kukhala ndi mautumiki otchulidwa, makhalidwe ovomerezeka ndi mawonekedwe omwe angasankhe. Seva ya GATT ndi chipangizo chomwe chimasunga deta yamtundu kwanuko ndikupereka njira zopezera deta kwa Makasitomala akutali a GATT wolumikizidwa kudzera pa BLE.
Kodi GATT Client ndi chiyani?
GATT Client ndi chipangizo chomwe chimapeza deta pa Seva yakutali ya GATT, yolumikizidwa kudzera pa BLE, pogwiritsa ntchito kuwerenga, kulemba, kudziwitsa, kapena kusonyeza ntchito. Zida ziwiri zikaphatikizidwa, chipangizo chilichonse chikhoza kukhala ngati GATT Server ndi GATT Client.
Pakadali pano, ma module a Feasycom Bluetooth Low Energy angathandizire GATT Seva ndi Makasitomala. Pankhani ya zofunika makasitomala osiyanasiyana, Feasycom anapanga zosiyanasiyana zigawo BLE, mwachitsanzo yaing'ono Nordic nRF52832 gawo FSC-BT630, TI CC2640 gawo FSC-BT616. Kuti mudziwe zambiri, talandiridwa kukaona ulalo:
