s32k3 hse api compatibility problem

victory — Fri, 12 Jul 2024 03:41:38 GMT

Hi NXP,

i've used S32K312, firmware 02.40, S32K3_RTD_4_0_0_D2311_ASR_REL_4_7_REV_0000_20231128 sdk. i download serveral hse example and see they all based on HSE_Send() call ,but it's not in my SDK, i could only found a symmetric example based on MCAL in IDE.

so, what the difference between them? how could i import these HSE_Send based example to my project? is there and additional work to do,like some init or address convertion ?

Re: s32k3 hse api compatibility problem

Robin_Shen — Tue, 16 Jul 2024 03:29:56 GMT

Hi victory,

Which HSE examples did you download? If you mean SecureBootAppNoteDemo SW745310, then please take a look at Hse_Ip_ServiceRequest.

RTD has just a few HSE functions in Ip layer. You can take a look at:
C:\NXP\S32DS.3.5_RTD400\S32DS\software\PlatformSDK_S32K3\RTD\Crypto_TS_T40D34M40I0R0\doc\RTD_CRYPTO_UM.pdf

These functions are used by the framework. For example, framework function HSE_Send() uses function Hse_Ip_ServiceRequest() from HSE Ip layer (see hse_host.c file).

So, you need to add the framework files, HSE FW interface files as described in the integration manual and then you can re-use code from the demo. (C:\NXP\S32DS.3.5_RTD400\S32DS\software\PlatformSDK_S32K3\RTD\Crypto_TS_T40D34M40I0R0\doc\RTD_CRYPTO_IM.pdf)

Best Regards,
Robin
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s32k3 hse api compatibility problem

Re: s32k3 hse api compatibility problem