i.MX ProcessorsのトピックRe: i.MX8MM as USB Slave device.

i.MX8MM as USB Slave device.

vignesh-baskaran — Mon, 05 Jun 2023 13:32:29 GMT

Hi,

We are trying to imx8mm-evk as peripheral for PC to EVK communication.

We were unable to see the device on both PC and EVK side.

But it can able to detect pendrive.(evk as host)

Any suggestions on this one?

Thanks.

Manuel_Salas — Tue, 06 Jun 2023 16:09:20 GMT

It make me thing that the USB1_VBUS line was not correctly asserted, could you please check it?

Best regards!

dtony — Wed, 07 Jun 2023 03:05:33 GMT

You need gadget driver.

here is the test of mass storage gadget test.

The i.MX8MM evk become a storage. boot fat partition can be read by window. rootfs ext4 cannot.

If you connect to a Linux, you can see both partitions.

If you want you can test usb serial(uart) gadget, usb ethernet gadget.

vignesh-baskaran — Wed, 07 Jun 2023 08:05:01 GMT

Thanks it works !