CC2652R7: How to calculate packet error rate?

Garvit Periwal

Part Number: CC2652R7

I want to build a network with multiple broadcasters operating in non-connectable mode and an observer. How do I calculate Packet error rate for individual broadcaster ? Is there a sample project I can refer to for this?

over 3 years ago

0 Guillaume over 3 years ago

TI__Expert 5150 points

Hi Garvit,

As Clément mentioned in this thread: https://e2e.ti.com/support/wireless-connectivity/bluetooth-group/bluetooth/f/bluetooth-forum/1220680/lp-cc2652r7-how-do-i-calculate-total-packets-delivered-from-a-particular-broadcaster-to-observer

What you could do is to count the number of advertisement packets received using the SC_EVT_ADV_REPORT event on the observer side. Count the number of advertisement packets sent using the GAP_EVT_ADV_START event on the broadcaster side and make a ratio to know the error rate.

Regards,

0 Garvit Periwal over 3 years ago in reply to Guillaume

Prodigy 210 points

Hi Guillaume,

I have set a breakpoint on case GAP_EVT_ADV_START under SimplePeripheral_processAdvEvent() but the code never hit that breakpoint.

Thanks

0 Guillaume over 3 years ago in reply to Garvit Periwal

TI__Expert 5150 points

Are you able to count on the observer side? (with the SC_EVT_ADV_REPORT event)

What kind of PHY are you using?

regards,

0 Garvit Periwal over 3 years ago in reply to Guillaume

Prodigy 210 points

Yes Guillaume, I am able to set up a counter there.

Broadcasters are working in legacy advertising mode.

0 Guillaume over 3 years ago in reply to Garvit Periwal

TI__Expert 5150 points

Hi Garvit,

You have to set the event masks, "GAP_ADV_EVT_MASK_START" in the GapAdv_setEventMask() if you want to enter in the GAP_EVT_ADV_START code event.

regards,

0 Garvit Periwal over 3 years ago in reply to Guillaume

Prodigy 210 points

Hello Guillaume,

Can you explain how to set the event mask. I am new to this so apologies if I am asking something which is very basic.

Thanks

0 Clément over 3 years ago in reply to Garvit Periwal

TI__Guru** 101540 points

Hi Garvit,

First of all, I encourage you to visit TI Developer Zone. This portal will help you to find the documentation and the training resources related to the device you are using.

The functioning of GapAdv_setEventMask is described here, the API documentation of the function is available here and you can refer to the simple_peripheral (especially in file simple_peripheral.c) example to seehow the function is used.

I hope this will help,

Best regards,

0 Garvit Periwal over 3 years ago in reply to Clément

Prodigy 210 points

Hello Clement,

I tried setting up event mask under SimplePeripheral_processAdvEvent function to enable the case of GAP_EVT_ADV_START by adding following piece of code -

bStatus_t status = FAILURE;
status = GapAdv_setEventMask(advHandleLegacy, GAP_ADV_EVT_MASK_START);

I tried operating the device in both connectable and non-connectable mode but I am still not able to enter the GAP_EVT_ADV_START case.

Is this the right way to do so?

Thanks,

Garvit

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CC2652R7: How to calculate packet error rate?