CC1352P: Is there any side effect if I disable "valid header" checking

Kimi Hu

Part Number: CC1352P

Hi all,

I try to add OTA function on our own board but we always get "OTA abort" when start. In debug mode, the system hit "return ZCL_STATUS_ABORT" in zcl_ota.c --> zclOTA_ProcessImageData() --> case OAD_GET_IMAGE_HDR_STATE: -->

//is a valid header
if(memcmp(&oad_imgHdrFactoryNew.fixedHdr.imgID, oad_externalFLashID, sizeof(oad_externalFLashID)) != 0)
{
flash_close();
//This release does not support not having the Factory New image
return ZCL_STATUS_ABORT;
}

If I disable this checking, the OTA can work correctly. My question is : Can I ignore this checking? Thanks

SW : simplelink_cc13x2_sdk_2_30_00_45

over 6 years ago

0 Ryan Brown1 over 6 years ago

TI__Guru**** 217437 points

Hi Kimi,

As described in zcl_ota.c, the OAD_GET_IMAGE_HDR_STATE performs this check upon the following assumptions:

1. Factory New Metadata and binary image exist in external flash
2. Zigbee OAD will always take the next slot available after FN header and binary

http://dev.ti.com/tirex/content/simplelink_cc26x2_sdk_2_30_00_34/docs/zstack/html/zigbee/ota_upgrade.html#building-and-downloading-target-applications

If this does not exist in your off-chip flash memory then you can choose to bypass the header check but please remain aware that this disregards a validation procedure and is not fully tested by TI.

Regards,
Ryan

0 YiKai Chen over 6 years ago in reply to Ryan Brown1

Guru 735685 points

Ryan Brown1 How could we make a brand new external flash meets the following assumptions:

1. Factory New Metadata and binary image exist in external flash
2. Zigbee OAD will always take the next slot available after FN header and binary

0 Ryan Brown1 over 6 years ago in reply to YiKai Chen

TI__Guru**** 217437 points

Hi YK,

I'll looking for confirmation but it will most likely involve the flash_interface_ext_rtos_NVS driver to use the writeFlashPg function to program the oad_image_header_app.c imgHdr and a valid binary image, the simple_peripheral_oad_offchip example mentions the ability to create a factory image from the available active image.

Regards,
Ryan

0 YiKai Chen over 6 years ago in reply to Ryan Brown1

Guru 735685 points

I am not clear about your guides and will wait for your detail steps to guide us to do this.

0 Kimi Hu over 6 years ago in reply to Ryan Brown1

Mastermind 6105 points

Hi Ryan,

Thank you. Maybe we will create our factory new image.

0 Ryan Brown1 over 6 years ago in reply to YiKai Chen

TI__Guru**** 217437 points

Hi YK,

You can refer to the easylink rfWsnConcentratorOadServer project which handles this specific state along with the /tools/easylink/oad/oad_write_bin.py script. The whole process is described in the rfWsnConcentratorOadServer/README.

Regards,
Ryan

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CC1352P: Is there any side effect if I disable "valid header" checking