DRA829V: USB Bulk Transfer Sample

Hi Team,

My customer has a few questions about bulk transfer example of the USB of PDK7.00.00. 

For the board settings and SBL, is it ok to build and run the default in PDK like below? If there are any settings that need to be changed, please let me know.

<Board Configuration Build>
gmake -s board BOARD=j721e_evm

<SBL Build(For SD Boot) >
gmake -s sbl_lib_mmcsd BOARD=j721e_evm
gmake -s sbl_mmcsd_img BOARD=j721e_evm

<Application Build (USB Bulk Transfer) >
gmake -s USB_DevBulk_TestApp BOARD=j721e_evm

With regards to the USB driver bulk transfer sample (vendor class) on the J7200DRA821 EVM, we'd like to confirm a few things

By default, when PDK 07_00_00 is built, a mcu1_0 sample is output, and the output of the USB driver is also for mcu1_0. My understanding is that USB works without any issues for mcu1_0. Is this understanding correct?

Next, with regards to the USB driver bulk transfer sample (vendor class) on the J7200 DRA821 EVM, with a USB connector to the DRA829, we'd like to confirm a few things.

Is my understanding of the three points below correct?

• Bulk transfer samples use USB0.
• USB0 is connected to the USB Type C connector on the evaluation board.
• The sample for bulk transfer is set to be connected to the USB Type C connector via USB2PHY, so the SERDES setting is not required.

Lastly, we'd like to check some EVM board settings with with regards to the bulk transfer sample (vendor class).

1. Do I need to change anything about the evaluation board settings (dip SW settings, etc.)?
   1. For example, referencing the Jacinto7 DRA821 Evaluation Module (EVM) User's Guide, my understanding is that bits 3 and 4 of SW3 are settings related to USB Type-C.
      SW3.3 = off, SW3.4 = on (DRP (Dual-role-Port) operation).
2. Please let me know if any other settings need to be configured to run the bulk transfer sample.

Best regards,

Mari Tsunoda