AN12218SW Bootloader Hard Reset Problem

Nibesh — Tue, 02 Jul 2024 06:07:54 GMT

Hello I am using S32K148EVB and AN12218SW Bootloader and Example_app Code.
I am using their Java interface to upload Example_app.srec file.
Firstly I have uploaded Bootloader on MCU.
Secondly, to upload Application srec code, we have to Press Reset Button inorder to upload.

So is there any method to overcome with this Hardware RESET inorder to upload the Application SREC file.

I hope to hear from you soon!

Re: AN12218SW Bootloader Hard Reset Problem

Robin_Shen — Wed, 03 Jul 2024 02:06:32 GMT

Please read the chapter 2.1. Bootloader workflow overview of AN12218:

The second step is to initialize the timeout mechanism. After a reset, the microcontroller will poll the selected communication channel, if no activity was detected during the time allowed by the timeout mechanism the device will attempt to execute the last application loaded, if the device hasn’t received an application it will get stuck in a loop. In order to attempt the download of an application another reset is required.
The timeout value is configurable and it is set by default to five seconds. Only one second multiples can be selected, in order to change the timeout value simply set the desired value in ‘sources/drivers/inc/timeout.h’ line 14.
/* Define timeout value, the base is 1s */
#define TIMEOUT_VAL 5

It seems that you clicked Download on JAVA Serial Bootloader Interface after the timeout. It is recommended that you click Download before the timeout or increase the timeout value.

Best Regards,
Robin
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topic AN12218SW Bootloader Hard Reset Problem in S32K

AN12218SW Bootloader Hard Reset Problem

Re: AN12218SW Bootloader Hard Reset Problem