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Changing the memory location of mass storage in usbd_rom_dfu_composite example (LPC4357)

Question asked by Vishrut Nair on Nov 5, 2017
Latest reply on Nov 13, 2017 by jeremyzhou

Hi I am using LPC4357 usbd_rom_dfu_composite example from lpcopen_3_01_lpcxpresso_nxp_lpcxpresso_4337.
In this example a mass storage is created using internal SRAM (12kb size on disk).
I want to change storage location from internal sram to extrnal sram using EMC.
I tried to change the base adress (usb_param.mem_base) from 0x20000000 to 0x28000000 but mass storage is not getting created.
I am able to write and read data from external SRAM so that part is working.
Is there any other changes to be made that I am neglecting to make it work please help.