topic Re: LPC43xx USB ISP in LPC Microcontrollers

LPC43xx USB ISP

lpcware — Wed, 15 Jun 2016 18:52:18 GMT

Content originally posted in LPCWare by snovik on Sun Oct 05 23:31:50 MST 2014
Hello!

I'm using the development board NGX4337.
Pins set to boot from USB0 as specified in the datasheet.
P2.7 pin in started pulled to ground.

I need to started as in this example, as a flash drive to replace the firmware.

How do this?

Re: LPC43xx USB ISP

lpcware — Wed, 15 Jun 2016 18:52:19 GMT

Content originally posted in LPCWare by bavarian on Mon Oct 06 02:24:28 MST 2014
The LPC4300 with its USB bootmode does not implement the mass storage profile but DFU.
So when you boot up, the NGX board enumerates as a DFU device on your computer and you need to use a host utility to download the firmware to the internal flash (or alternatively also to an external qSPI flash.

http://www.lpcware.com/content/nxpfile/nxp-lpc18xx43xx-dfu-download-and-secure-image-generator

Regards,
NXP Support Team

Re: LPC43xx USB ISP

lpcware — Wed, 15 Jun 2016 18:52:20 GMT

Content originally posted in LPCWare by snovik on Tue Oct 28 00:37:34 MST 2014
Сan be implemented independently this usb msc bootloader?
Where to find appnote for this?

Re: LPC43xx USB ISP

lpcware — Wed, 15 Jun 2016 18:52:21 GMT

Content originally posted in LPCWare by NXP_Paul on Tue Oct 28 06:03:22 MST 2014
You may want to review some of the links on the following web page:
http://www.lpcware.com/content/project/dfu-download-programming-utility-and-security-lpcdfusec-tool
Although this does not contain an app note, it does provide a lot of good information which should help with your questions.

Regards
Paul

Re: LPC43xx USB ISP

lpcware — Wed, 15 Jun 2016 18:52:26 GMT

Content originally posted in LPCWare by snovik on Wed Oct 29 08:32:25 MST 2014
I understand that it is possible to use the DFU.
But to me the task done through MSC Bootloader.

Re: LPC43xx USB ISP

lpcware — Wed, 15 Jun 2016 18:52:26 GMT

Content originally posted in LPCWare by ehughes on Thu Oct 30 05:57:09 MST 2014
The boot rom only supports USB-DFU. If you want a mass storage class type boot loader, you will need to write your own..

I am in the process of writing a mass storage loader. It probably won't be completed until the end of the year (as it is low priority because DFU is now working fine for me).