User's Manual

LS5B User Manual
Libre Wireless Technologies User Manual: LS5B, Ver. 1.0 Page 60 of 89
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To Enable NV-Item hostpresent
#setenv hostpresent 1
To start playback from Apple Device following sequence is to be followed.
Step 1. LS sends the new source to the Host MCU over Message-Box# 10
Step 2. Host MCU may send a command to LS (Command Type: GET) over Message-
Box#50 (Current Source – with value 16 that is Apple Device) to get to know the
current playback source, if any.
Step 3. Host MCU takes a decision whether it has to allow/disallow the new Audio
Source.
Step 4. Send a confirmation on Message-Box#11 with data field set to 1/0 for
Allowed/Not-allowed respectively.
Apple Device Connection Status
 When Apple device is connected Message-Box # 38 is updated with the value '2'
 When it is disconnected Message-Box # 39 is updated with the value '2'.
For more information refer to LUCI document
LibreWirelessTechNote - LS_Light_Weight_Universal_Control_Interface
7.10. USB Playback
LS supports audio playback from USB. User can select the content source from an USB drive
to stream music on LS-Enabled speaker.
7.11. TCP / IP Tunneling
TCP/IP Tunnelling is a unique feature supported by LS modules. Tunneling enables a Host
MCU to communicate with other network devices over UART. The Host MCU can build their
own proprietary protocol using LUCI tunneling.
For more information on TCP / IP tunneling refer LUCI document
LibreWirelessTechNote - LS_Light_Weight_Universal_Control_Interface