usb secondary bootloader for external flash memory

[rajendran_varun]

Hi,

I am working with LPC1769 microcontroller. With help of application note AN10866 as reference to create USB secondary bootloader. LPC1769 is working fine and able to see the LPC1769 internal flash memory as removable disk.

My query:

I had a external flash memory of 4MB, which is connected to LCP1769 through SPI. I need to make this external flash memory as removable disk using the USB secondary bootloader. Could you please suggest any solution or example design to address the query.

Thanks,

Varun

[ZhangJennie]

Hi Varun,

We can reuse most code of this demo and port the flash driver from internal flash to external flash, and change USB disk properties(size,name,etc) and external flash layout based on their external flash and requirement.

By the way, our SDKs for new chip also implement USB MSC examples with SD card. Also can refer to these demos.

Besides, we don't have other samples.

Have a great day,
Jun Zhang

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[rajendran_varun]

Hi Jun Zhang,

Thanks for the support.

Could you please share the link for the above mentioned example to download the source code.

Thanks,

Varun

[ZhangJennie]

Hi Varun,

For LPC1769, the recommend SDK is LPCOpen, I suggest you download LPCOpen v1.03 from this site.

LPCOpen v1.xx | NXP 

the MassStorage demo code is included.

Have a great day,
Jun Zhang

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Note:
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- We are following threads for 7 weeks after the last post, later replies are ignored
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