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Wi-Fi Bluetooth for Linux

ReMo_4680811
New Contributor

Hello team,

We are using CYW4356 chipset based Embedded Artist module interfaced with i.MX8QM MEK platform which is running Android Pie Automotive. We are able to get BT validated successfully for the below profiles except for HFP voice call (only voice we arent able to hear but able to get notification and other details of the call)

1. A2DP Sink

2. AVRCP Client

3. HFP Client (Only voice is not coming out)

We came across feedback saying in the combo chip even the firmwares for WiFi & BT could has the shared logic. Could you please give us more insight (especially pcm routing) to the firmwares of the module and if there are any firmware updates to it (We are using firmware dated Jan 2019 we tried updating it with Aug one especially for the WiFi but nothing gave us luck)

Are there any Android/Linux WiFi, BT porting guides for the 4356 chipset which we could refer to

Thanks

Redwan

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1 Solution
VinayakS_26
Moderator
Moderator

Hi

Could you check the following porting guide for wiced based solution.

STM32F469 porting in WICED

Wifi BT proifle in 4356 do have a coexistence interface build into the firmware.

Read the following blog posts

Overview of SECI

Coexistence Throughput Test

The coexistence interface make sure to get the maximum efficiency of operation when WiFi BT are working in tandem.

On an application point of view, its upto to the host processor to which the chip is interfaced, to share the information between WiFi and BT activities.

Regards

View solution in original post

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4 Replies
VinayakS_26
Moderator
Moderator

Hi

Could you check the following porting guide for wiced based solution.

STM32F469 porting in WICED

Wifi BT proifle in 4356 do have a coexistence interface build into the firmware.

Read the following blog posts

Overview of SECI

Coexistence Throughput Test

The coexistence interface make sure to get the maximum efficiency of operation when WiFi BT are working in tandem.

On an application point of view, its upto to the host processor to which the chip is interfaced, to share the information between WiFi and BT activities.

Regards

View solution in original post

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ReMo_4680811
New Contributor

Thanks MichaelF_56

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