CC2652R7: CC2652R7

li zhang

Part Number: CC2652R7
Other Parts Discussed in Thread: CC2530

We have previously implemented setting and obtaining CCA threshold on the old protocol station version of CC2530 platform. May I ask how to implement this function on the new protocol stack of cc2652R7 platform?

1.get rssi value on old version zstack:

macRxOn();
while (!(RSSISTAT & 0x01));
for(i = 0; i < RSSI_LIST_MAX; i++)
{
rssi[i] = RSSI + HAL_MAC_RSSI_OFFSET;
}
macRxOff();

2.set rssi value on old version zsatck

CCACTRL0 =cca;

However,I did not find these macros defined in the new version of the protocol stack

over 2 years ago

0 Ryan Brown1 over 2 years ago

TI__Guru**** 202256 points

Hi li,

1. Please refer to this previous E2E post, as you can calculate the RSSI from a recorded LQI value using the formula mentioned.

2. macPibDefaults has rssiThreshold/MAC_RSSI_THRESHOLD set to -83 in mac_cfg.c, here is another E2E post with more information.

Regards,
Ryan

0 li zhang over 2 years ago in reply to Ryan Brown1

Prodigy 10 points

Hi Ryan,

Is there a register for RSSI in stack simplelink_cc13x2_26x2_sdk_5_10_00_48 with chip:CC2652R7?We used to get RSSI in this way.Please check the attachment.

0 li zhang over 2 years ago in reply to Ryan Brown1

Prodigy 10 points

Hi Ryan,

Our product requirement is to change the value of RSSI THRESHOLD by pressing a button,so modify the MAC_RSSI_THRESHOLD in macPibDefaults is not use.

0 Ryan Brown1 over 2 years ago in reply to li zhang

TI__Guru**** 202256 points

Current RSSI values can be retrieved from the CMDSTA register, the RF TI Driver command RF_getRSSI can return the RSSI but you should first make sure that the MAC RX is not active (i.e. MAC_RX_IS_PHYSICALLY_ACTIVE() == MAC_RX_ACTIVE_NO_ACTIVITY). MAC PIB attributes can be changed during runtime using MAP_MAC_MlmeSetReq.

Regards,
Ryan

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CC2652R7: CC2652R7