Kamar yadda muka sani, tsarin Bluetooth ya kasu kashi biyu: Classic Bluetooth (BR/EDR) da Bluetooth Low Energy (BLE). Akwai bayanan martaba da yawa na Classic Bluetooth da BLE: SPP, GATT, A2DP, AVRCP, HFP, da sauransu. Don watsa bayanai, SPP da GATT sune mafi yawan amfani da bayanan martabar Bluetooth na Classic da BLE bi da bi.
Menene bayanin martabar SPP?
SPP (Serial Port Profile) bayanin martabar Bluetooth ne na Classic, SPP yana fayyace buƙatun na'urorin Bluetooth waɗanda suka wajaba don saita haɗin kebul na kwaikwayi ta amfani da RFCOMM tsakanin na'urorin ƙawa biyu. Ana bayyana buƙatun ta cikin sharuɗɗan sabis da ake bayarwa ga aikace-aikace, da kuma ayyana fasali da hanyoyin da ake buƙata don mu'amala tsakanin na'urorin Bluetooth.
Menene bayanin martaba na GATT?
GATT (Generic Siffar bayanin martaba shine bayanin martaba na BLE, yana bayyana ƙayyadaddun ƙayyadaddun na'urorin BLE guda biyu don sadarwa ta hanyar Sabis da Halaye, ƙungiyoyi biyu na sadarwar GATT sune alaƙar Client/Server, Peripheral is GATT Server, Central shine GATT Client, duk hanyoyin sadarwa. , Dukansu Client ne ya ƙaddamar da su, kuma suna karɓar amsa daga uwar garken.
SPP+GATT haduwa
SPP da GATT suna taka rawar watsa bayanai, ya kamata mu lura cewa lokacin amfani da tsarin Bluetooth don sadarwa tare da app ɗin wayar hannu, don wayar hannu ta iOS, BLE (GATT) ita ce kawai bayanan bayanan watsa bayanai ta hanyoyi biyu da ke da kyauta. amfani, don wayowin komai da ruwan Android, yana tallafawa duka SPP da GATT, don haka yadda mahimmancin ƙirar ke tallafawa duka SPP da GATT.
Lokacin da na'urar Bluetooth ta goyi bayan SPP & GATT, yana nufin cewa ƙirar Bluetooth ce mai dual-mode. Akwai shawarwarin na'urori biyu na Bluetooth?
Waɗannan samfuran guda biyu ba su dace da aikace-aikacen ku ba? Kada ku yi shakka don tuntuɓar Feasycom yanzu!
related Products
Saukewa: FSC-BT836B
Bluetooth 5 Dual-Mode Module High-Speed Solution
FSC-BT836B Bluetooth 5.0 dual-mode module ne, mafi yawan fasalin shine babban adadin bayanai, a yanayin SPP, bayanan sun kai 85KB/s, yayin da a yanayin GATT, ƙimar bayanan ya kai 75KB/s (Lokacin da aka yi). gwada tare da iPhone X).
main Features
● Cikakken ƙwararren Bluetooth 5.0 yanayin dual.
● Girman hatimin aikawasiku: 13*26.9 *2mm.
● Tallafi na Class 1.5 (ikon fitarwa mai girma).
● Tallafin bayanan martaba: SPP, HID, GATT, ATT, GAP.
● Matsakaicin ƙimar UART Baud shine 115.2Kbps kuma yana iya tallafawa daga 1200bps har zuwa 921.6Kbps.
● UART, I2C, USB hardware musaya.
● Yana goyan bayan haɓaka OTA.
● Yana goyan bayan Apple MFi(iAP2)
● BQB, FCC, CE, KC, TELEC Certified.
Saukewa: FSC-BT909
Module Dual-Mode na Bluetooth mai tsayi
FSC-BT909 Bluetooth 4.2 dual-mode module, wanda shine nau'in Class 1, kewayon watsawa zai iya kaiwa mita 500 lokacin ƙarawa tare da eriya ta waje.
Waɗannan samfuran guda biyu ba su dace da aikace-aikacen ku ba? Kada ku yi shakka don tuntuɓar Feasycom yanzu!
main Features
● Cikakken ƙwararren Bluetooth 4.2/4.1/4.0/3.0/2.1/2.0/1.2/1.1
● Girman hatimin aikawa: 13*26.9 *2.4mm
● Tallafi na Class 1 (Ikon har zuwa +18.5dBm).
● Haɗin eriyar yumbu ko eriya ta waje (na zaɓi).
● Matsakaicin ƙimar UART Baud shine 115.2Kbps kuma yana iya tallafawa daga 1200bps har zuwa 921Kbps.
● UART, I2C, PCM/I2S, SPI, USB musaya.
● Bayanan martaba ciki har da A2DP, AVRCP, HFP/HSP, SPP, GATT
● USB 2.0 cikakken na'ura mai sauri / mai watsa shiri / mai sarrafa OTG.
