I belive the scan application is failing. Are you not able to download or after download, you are not seeing any UART logs ?
Initially we are trying to test SECURE_BOOT and SECURE_SFLASH options
in SDK-6.0 version. But the following folder is missing, so we
could not able to build application with SECURE_SFLASH option.
By the way, we are using CYW943907WAE3 kit.
So we have copied rom_offload/ folder present in 6.2 to SDK-6.0.
After copying this, we could able to build snip.scan application with
SECURE_SFLASH option (alone, no SECURE_BOOT). It is running fine on 6.0.
But when we tried same application on SDK-6.2 with SECURE_SFLASH option,
it is not booting. No output is coming on to serial console. In 6.0
we could able to see scan results appearing continuously. We used
the following command on both 6.0 and 6.2. It works on 6.0 but not
./make snip.scan-CYW943907WAE3 SECURE_SFLASH=1 download run
Note that we are not giving any keys. So default keys will have all zeros.
So it is working for us. We are able to see that filesystem, APP0 and
DCT are getting signed, encrypted and loaded.
Our client is using homekit application. So we need SECURE options
to work on SDK-6.2.
We also tried with CYW943907AEVAL1F board. Result is same, SECURE_SFLASH
option works on 6.0 but not on 6.2.
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SECURE_SFALSH in WICED 6.2 is is not working. We have created an internal ticket for the same. I will update the thread when the fix is available.
Are there any updates on this issue? We have a product that we are ready to take to market but are hesitant without the ability to secure the flash.