topic USB Firmware update compatibility wrt LPC55s69 in MCUXpresso General

USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Thu, 08 Dec 2022 07:00:41 GMT

hi Team,

"https://community.nxp.com/t5/LPC-Microcontrollers-Knowledge/LPC54XXX-How-To-Use-USB-Port-To-Update-Firmware-In-ISP-Mode/ta-p/1319714"

This article is useful and its wrt lpc54xxx.

We are working on LPC55s69 and planning to update firmware vis USB instead of ISP.

Is their any similar article/code project referencing LPC55s69 board.

If not, then can i use similar analogy as in article to implement USB Firmware update for LPC55s69.

Thank you

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Thu, 08 Dec 2022 09:39:49 GMT

hi Team,

Any suggestion on this issue??

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Thu, 08 Dec 2022 10:16:18 GMT

In LPC54xxx -> iap_entry(API ) present in fsl_Flafhiap.h is used to reinvoke ISP.

But in LPc55s69 -> No such API found in fsl_iap.h or fsl_iap.c. wrt SDK 2.12.0.

so, how to achieve iap_entry() in LPC55s69??

Re: USB Firmware update compatibility wrt LPC55s69

ZhangJennie — Thu, 08 Dec 2022 10:48:31 GMT

Hi Deeps_bang

If LPC55, updating firmware via ISP USB is the same as this document.

But I suggset you using USB1 interface, the reason is documented here: https://community.nxp.com/t5/LPC-Microcontrollers-Knowledge/LPC55-Don-t-Use-ISP-USB0-for-firmware-update/ta-p/1277983

Thanks,

Jun Zhang

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Thu, 08 Dec 2022 10:59:17 GMT

Plz,Guide me to resolve this..

In LPC54xxx -> iap_entry(API ) present in fsl_Flafhiap.h is used to reinvoke ISP.

But in LPc55s69 -> No such API found in fsl_iap.h or fsl_iap.c. wrt SDK 2.12.0.

so, how to achieve iap_entry() in LPC55s69??

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Fri, 09 Dec 2022 05:43:48 GMT

HI Jennie,

Our requirement is to enter Bootloader mode via USB , without using ISP Button for LPC55s69.

which is best possible way to achieve this..?

2. Any suggestion for below issue ??

In LPC54xxx -> iap_entry(API ) present in fsl_Flafhiap.h is used to reinvoke ISP.

But in LPc55s69 -> No such API found in fsl_iap.h or fsl_iap.c. wrt SDK 2.12.0.

so, how to achieve iap_entry() in LPC55s69??

Thank you.

Re: USB Firmware update compatibility wrt LPC55s69

ZhangJennie — Fri, 09 Dec 2022 06:26:57 GMT

Hi Deeps_bang

ROMBootloader provides API runBootloader to enter ISP mode.

void(*runBootloader)(void *arg);

For example, in your code, add:

uint32_t arg = 0xEB120000;

runBootloader(arg);

Hope this helps,

Jun Zhang

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Fri, 09 Dec 2022 06:34:46 GMT

Ok Jennie.
Thank you for the reply.
I will try with this.

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Fri, 09 Dec 2022 12:23:17 GMT

Hi Jennie,

Tried with runBootloader(arg).

But getting Hardfault error.

This (arg =0xEB120000) value corresponds to what .

we are using LPC55s69JBD100 board.

Attaching the code for your reference.

Thank you

Re: USB Firmware update compatibility wrt LPC55s69

ZhangJennie — Mon, 12 Dec 2022 09:09:02 GMT

Hi Deeps_bang

I just checked runBootloader(arg) is supported in LPC55(S)0x/1x.

Unfortunately, LPC55(S)2x/6x doesn't support it. LPC55(S)2x/6x doesn't have feature to enter ISP mode in source code. So far there is no specific dates to provide a procedure to perform this.

There is an aplication note regarding this : AN12327 Firmware Update Using Secondary Bootloader

https://www.nxp.com.cn/docs/en/application-note/AN12327.pdf

You can refer this to development firmware update code with secondary bootloader.

Jun Zhang

Re: USB Firmware update compatibility wrt LPC55s69

ZhangJennie — Wed, 14 Dec 2022 08:12:24 GMT

HI Deeps_bang
LPC55(S)2x/6x doesn't have feature to enter ISP mode in source code. LPC55(S)0x/1x has this feature but LPC55(S)2x/6x doesn't have. So far there is no specific dates to provide a procedure to perform this.

Have a nice day,
Jun Zhang

Re: USB Firmware update compatibility wrt LPC55s69

Deeps_bang — Thu, 15 Dec 2022 05:06:24 GMT

Hi Jennie,

Actually our application need this feature badly i.e Entering Bootloader mode via Software for LPC55s69JBD100 1B version board.

Please let me know if any update on this in Future from Technical team .

Mean while if any suggestions from your side for this problem statement is also welcome.

Thanks for guiding .

Re: USB Firmware update compatibility wrt LPC55s69

ZhangJennie — Mon, 19 Dec 2022 08:05:21 GMT

This feature is available on the newer version devices described in the errata:

https://www.nxp.com.cn/docs/en/nxp/errata/LPC55S6x_ES.pdf

To get ROM API version, you can call:

get_rom_api_version();

To get the ROM patch version, you can use blhost:

>blhost -p COMx get-property 0x18

The date code can be found in the IC package marking (See datasheet).

There is no way to apply a ROM patch by user, this is only done during production testing of the parts.

Hope this will help you.

Jun Zhang