RDA5856

RDA5856 - Bluetooth

QE32 - QFN32, L / LE - QFN48, TE - TSSOP24 / MSOP24, T28E - TSSOP28

Bluetooth v4.2, support BR/EDR and BLE
Integrated broadcast FM tuner
VoC DSP core @104MHz
16 bits voice ADC
16 bits stereo DAC
Support mp3/sbc/wma/aac/m4a/wav/ts/amr
AT commands
Interface: USB 2.0 OTG, UART interface, 1 SD controller, I2C master, General Purpose I/Os

Production tool -> ProductTool_8.03.05.rar; Audio tool -> audio_tool_v2.0.6.rar; download tool -> coolwatcher_20170120.zip

Currently only Chinese available as commands, but english and more can be supported later
RDA5981 should flashed a fimrware -> dual_console.bin
Also need SD card, and put files in sd card for dueros -> can_not_conn.mp3、cloud_connectde.mp3、cloud_disconnected.mp3、profile
Bluetooth 5856 already had factory pre-flashed firmware, no need flash anymore -> 5856Q32_codec_hf200u_release_flash.lod
Send commands to setup wifi -> AT+WSCONN, e.g. AT+WSCONN=0, xxx, yyy -> return OK, in which xxx, yyy should be SSID and password
start duerOS -> AT+DUSTART, or AT+DUSTOP
AT+DUREC=1 to record, more infor refer to AT commands page.

hardware

Internal module design can refer to UNO91H board design
Buttons default function record, pause/play/ prev, next, vol+, vol-, but also support define by secondary development.
Support play voice via earphone
Support line_in from phone or PC to play music.

All install in virtual machine ..

Downdload

Should use stable version 3.3 or 3.4, latest version have bug, for example, can not use "RDA tools" in eclipse