USB Mass Storage Sample using nRF7002-dk

RE: USB Mass Storage Sample using nRF7002-dk

Håkon Alseth — Thu, 12 Oct 2023 09:47:59 GMT

Hi,

The disk has already been formatted to the former size.

If you erase the partition and reboot the nRF, it shall re-create the fat16 partition for you again.

Kind regards,

Håkon

RE: USB Mass Storage Sample using nRF7002-dk

Avgerinos89 — Wed, 11 Oct 2023 14:15:00 GMT

Great! I did what you suggested. Now on the LOG I can see the new size.
But on my computer it says the same. 44KB size, and when I try to format the choice for the capacity is at 64KB.

Is there any other step to format the disk at the right data size?

RE: USB Mass Storage Sample using nRF7002-dk

Håkon Alseth — Wed, 11 Oct 2023 14:06:44 GMT

Hi,

This is your overlay:

&mx25r64 {
	partitions {
		compatible = "fixed-partitions";
		#address-cells = <1>;
		#size-cells = <1>;

		storage_partition: partition@0 {
			label = "storage";
			reg = <0x00000000 0x00020000>;
		};
	};
};

It currently sets aside "reg = ..." addr 0 to addr 0x20000. You can expand this to 0x800000 (8MByte/64MBit)

Kind regards,

Håkon

RE: USB Mass Storage Sample using nRF7002-dk

Avgerinos89 — Wed, 11 Oct 2023 13:58:17 GMT

Hello Håkon,

Thanks again for the help!

I can see that there is a mismatch on the real size of the flash and on the disk size that the computer shows.
The flash is the MX25R6435F , which is 8MByte in size. The computer shows 44KB disk size. When I try to format (on windows) the disk in FAT, it shows that the capacity of the drive is 64KB.
Do you know why is this mismatch or how it can be fixed?

Thank you in advance!

RE: USB Mass Storage Sample using nRF7002-dk

Håkon Alseth — Wed, 11 Oct 2023 12:13:37 GMT

Great to hear!

Hope you have a wonderful day!

Kind regards,

Håkon

RE: USB Mass Storage Sample using nRF7002-dk

Avgerinos89 — Wed, 11 Oct 2023 12:06:21 GMT

Yes, that works!
Thanks

RE: USB Mass Storage Sample using nRF7002-dk

Håkon Alseth — Wed, 11 Oct 2023 11:50:46 GMT

Hi,

Could you try setting:

CONFIG_SPI_NOR_FLASH_LAYOUT_PAGE_SIZE=4096

And see if this helps?

Kind regards,

Håkon