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OAD programming timed out from BLE device monitor

Davide Giovanelli
Expert 1275 points

Hi all,

I'm trying to add the OAD to my application which is based on combo role example, of course I followed the OAD guide (with the exception that I'm using FlashOnly_ST instead of FlashOnly_LP since I'm working on sensorTag). I'm facing a problem, during the procedure the device accepts 4 blocks (4 write operations) and then it stops with "OAD programming timed out".

If I understand well the oad guide, every image block should be "requested" through a notification indicating the next block number, but in my case the BLE Device Monitor sends the firsts four blocks in sequence without waiting the blocks number, the notifications are sent after (see image).

Any help?

Thanks,

Davide.