CYW20704 firmware

[ojudith]

Hi, 

I was wondering if it is possible to upgrade firmware or do you provide firmware images for Linux kernel for BLE device  CYW20704 ?

I'm using Lair BT851 devices on my project and  i noticed on few equipments (Raspeberry OS) that de usb BLE device hangs sometime .

Below are usb information of my device .

N: bus/usb/001/012
E: BUSNUM=001
E: DEVNAME=/dev/bus/usb/001/012
E: DEVNUM=012
E: DEVPATH=/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.5/1-1.5.2
E: DEVTYPE=usb_device
E: DRIVER=usb
E: ID_BUS=usb
E: ID_MODEL=CYW20704A2
E: ID_MODEL_ENC=CYW20704A2
E: ID_MODEL_ID=f901
E: ID_REVISION=0112
E: ID_SERIAL=Cypress_Semi_CYW20704A2_0016A4589279
E: ID_SERIAL_SHORT=0016A4589279
E: ID_USB_INTERFACES=:e00101:ffffff:fe0101:
E: ID_VENDOR=Cypress_Semi
E: ID_VENDOR_ENC=Cypress\x20Semi
E: ID_VENDOR_FROM_DATABASE=Cypress Semiconductor Corp.
E: ID_VENDOR_ID=04b4
E: MAJOR=189
E: MINOR=11
E: PRODUCT=4b4/f901/112
E: SUBSYSTEM=usb
E: TYPE=224/1/1
E: USEC_INITIALIZED=273085505650

Regards 

[raks_99]

Hi @ojudith ,

Are you looking for the .hcd file?

Thanks.

[ojudith]

Hi rack_99 , 

Linux system usually load .fw or .bin file as firmware . If i'm correct  .hcd file is for Android system. 

I'm seeking a way ,if it exist, to upgrade the firmware of this chip. 

Thanks

[ojudith]

Hi @raks_99 ,

finally hcd file  will be ok 

rgds

[raks_99]

Hi @ojudith ,

Can you create a ticket in mycases system for this request?

Regards.

[DheerajPK_41 · Accepted solution]

Hi,

Please create a SFDC case for this (20704 hcd) request.  (Login to https://www.infineon.com/ and go to MyCases).

Also, you can contact our sales/FAE teams. 

Thanks,

-Dheeraj.P.K