Yadda ake haɗa mic zuwa I2S na BT909 Bluetooth Module

Teburin Abubuwan Ciki

Tsohuwar firmware ɗin mu shine yanayin bawa, zaku iya duba matsayin ta hanyar aika umarni AT + PROFILE.

AT+I2SCFG=1 I2S za a daidaita shi azaman babban yanayin

Idan an haɗa shi da HFP, sigogin za su kasance 8K, 16bit

Idan an haɗa shi da A2DP, sigogin za su kasance 48K 16bit ko 44.1K 16bit. A cikin sigarmu ta gaba, za a gyara zuwa 48K 16bit.

AT+I2SCFG=3 I2S za a daidaita shi azaman yanayin bawa.

Cikakken matakai:

Idan kana buƙatar haɗi zuwa HFP

  1. AT+PROFILE=83
  2. AT+SCAN=1 misali adireshin Bluetooth naka shine DC0D3000142D
  3. AT+HFPCONN=DC0D3000142D
  4. Idan ka ga ra'ayin +HFPSTAT=3, yana nufin haɗi cikin nasara.
  5. AT+HFPAUDIO=1

Sannan za a kafa hanyar haɗin sauti.

Binciken dabaru don kama siginar I2S, zaku iya ganin 8K 16bit waveform kamar haka:

Feasycom an sadaukar da shi don tsarawa da haɓaka samfurori masu inganci, ayyuka masu inganci ga abokan ciniki, a yau, da duk kwanaki masu zuwa.Mun tara yawan ƙwarewa wajen samar da abokan ciniki tare da mafita masu dacewa. Nufin "Samar da Sadarwa cikin Sauƙi da Kyauta",

Na gode da goyon bayan da kuka daɗe. Kullum muna nan muna ba ku sabis na kud da kud

www.feasycom.comIdan kuna buƙatar I2S don zama yanayin bawa,

Aika AT+I2SCFG=3, AT+REBOOT umarni, kuma maimaita matakan da suka gabata. Ma'auni za su kasance

48K, 16 bit, 44.1K 16 bit, ya dogara da na'urorin bayi.

Barka da zuwa tuntubar mu ƙarin tambayoyi.

 

 

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