topic S32K144 FLEXNVM in S32K

S32K144 FLEXNVM

gangzhou — Wed, 04 May 2022 15:40:04 GMT

Hi:

I use the bootloader in AN12218 on a S32K144.It works normally.But,It does not work when I using UART interrupt rx.UART can not receive data.May be something wrong with the flexnvm used code flash.Bootloader can find the interrupr table.What should I do? I need your help.

Re: S32K144 FLEXNVM

lukaszadrapa — Fri, 20 May 2022 11:08:59 GMT

Hi Gang,

it's not clear to me. Are you modifying the bootloader? Or do you mean that user application is not working? Is the application working if it is executed without bootloader?

Regards,

Lukas

Re: S32K144 FLEXNVM

gangzhou — Sun, 29 May 2022 06:54:14 GMT

Thank you for your reply.I modified the bootloader.Used UART interrupt receive data.But ,Bootloader did not work,because the UART interrupt could not enter.May be something wrong while placing code data in address 0x10000000 without changing the vector address.What should I do?

Re: S32K144 FLEXNVM

lukaszadrapa — Mon, 30 May 2022 04:47:13 GMT

I would check: if VTOR register points to your vector table, if the interrupt is enabled and if priority is configured appropriately in NVIC, if the interrupt in LPUART module is enabled and if interrupt flag is set. All these conditions should be met to trigger the interrupt.

Regards,

Lukas