STM32 MPUs Products and hardware related

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Resolved! I have an ST TPM and the ECC NIST P256 EK certificate is in NV memory handle 0x01c0000a. I can read the nv memory and extract the certificate - it is 1600 bytes, in DER format.

Openssl fails to convert the certificate from der to pem. Is this expected? I wrote a c program in OpenSSL to extract the public key, which seems to work, but I need to verify its correctness. Is there another tool like openssl that I can verify the ...

JErem.1 by Associate
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bitbake st-image-core error (No file to patch. skipping patch. out of hunk ignored. can't find file to patch at input line)

Hello Guys.I have tried bitbake(st-image-core) after a long time.But I can't proceed with the following error.This error is partial, and many of the same errors appear(Attach the error as text).I don't know how to fix it. I need help.can't find file ...

SPark.15 by Associate II
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Resolved! Multiple Endpoints on A7 and M4

Hello,iam trying to implement more or less the same example as with the virtualUARTs with multiple Endpoints just with the rpmsg_char driver and plain endpoints without virtualUART on M4 side. Iam struggling to get multiple Endpoints to work. One is ...

YRink.1 by Associate II
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Resolved! I've come across the chip ID caveat mentioned in the op-tee documentation for secure storage. Are unique chip IDs implemented in STs branch of the op-tee OS? Also is trustzone code itself stored securely at rest or only the data in secure storage? Thanks

Full text from op-tee: Important caveats Currently no OP-TEE platform is able to support retrieval of the Hardware Unique Key or Chip ID required for secure operation.   For all platforms, a constant key is used, resulting in no protection against de...

Hello, I am trying to execute a simple ADC program(12bit) in stm32mp157c using trimpot with 10K as input in cube ide. Where output changes only at the voltage level of 3.2v

While changing the value at the trimpot output values is constant(4095) and has no change as soon as when it reaches 3.2V it goes to zero. I am seeing output using uart. ​Please assist me how to rectify it.​

ASuha.1 by Associate
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