SWCU192 User guide | 德州仪器 TI.com.cn

SWCU192 November 2021 CC1312R7 , CC1352P7 , CC2652P7 , CC2652R7

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26.8.11.5 End of Initiator Commands

Two triggers to end the operation are set up by pParams->endTrigger/pParams->endTime and pParams->timeoutTrigger/pParams->timeoutTime, respectively. If either of these triggers occurs, the radio operation shall end as soon as possible. If it occurs while waiting for sync on an ADV*_IND packet, the operation shall end immediately. If it occurs at another time, the operation shall continue until the scan would otherwise be resumed, and then end. If the immediate command CMD_STOP (see Section 26.3.3.2.2) is received by the radio CPU, it shall have the same meaning as the end trigger occurring, except that the status code after ending shall be CMD_DONE_STOPPED. The differences between the two triggers are the status and result at the end of the operation. Typically, timeoutTrigger can be used at the end of a scan window, while endTrigger can be used when scanning is to end entirely.

The output structure pOutput contains fields that give information on the command being run. The radio CPU shall not initialize the fields, so this must be done by the system CPU when a reset of the counters is desired. The fields shall be updated by the radio CPU as described in the list that follows. The list also indicates when interrupts shall be raised in the system CPU.

If a CONNECT_IND or AUX_CONNECT_REQ packet is transmitted, nTxConnectReq (CMD_BLE_INITIATOR) or nTxReq (CMD_BLE5_INITIATOR) is incremented and a Tx_Done interrupt is raised.
If an AUX_CONNECT_REQ is not transmitted due to the backoff procedure, nBackedOffReq is incremented
If an *ADV*_IND packet is received with CRC OK and the bIgnore flag cleared, nRxAdvOk is incremented, an Rx_Ok interrupt is raised, and timeStamp is set to a timestamp of the start of the packet.
If an *ADV*_IND packet is received with CRC OK and the bIgnore flag set, nRxAdvIgnored is incremented and an Rx_Ignored interrupt is raised.
If an *ADV*_IND packet is received with CRC error, nRxAdvNok is incremented and an Rx_Nok interrupt is raised.
If an *ADV*_IND is received and did not fit in the RX queue, nRxAdvBufFull is incremented and an Rx_Buf_Full interrupt is raised.
If an AUX_CONNECT_RSP packet is received with CRC OK and the bIgnore flag cleared, nRxRspOk is incremented and an Rx_Ok interrupt is raised.
If an AUX_CONNECT_RSP packet is received with CRC OK and the bIgnore flag set, nRxRspIgnored is incremented and an Rx_Ignored interrupt is raised.
If an AUX_CONNECT_RSP packet is received with CRC error, nRxRspNok is incremented and an Rx_Nok interrupt is raised.
If an AUX_SCAN_RSP packet is received and did not fit in the RX queue, nRxRspBufFull is incremented and an Rx_Buf_Full interrupt is raised.
If a packet is received, lastRssi is set to the RSSI of that packet.
If the first RX data entry in the RX queue changed state to Finished after a packet was received, an Rx_Entry_Done interrupt is raised.

An initiator operation shall end with one of the statuses listed in Table 26-163. The status field of the command structure after the operation is ended indicates the reason why the operation ended. In all cases, a Command_Done interrupt is raised. In each case, the result of TRUE, FALSE, or ABORT is indicated, which will decide the next action, as defined in Section 26.3.2.5.2.

Table 26-163 End of Initiator Operation

Condition	Status Code	Result
Performed action 3 after receiving a legacy packet (transmitted CONNECT_IND) if pParams->advConfig.chSel = 0 or the ChSel bit of the received ADV_IND or ADV_DIRECT_IND was 1	BLE_DONE_CONNECT	FALSE
Performed action 3 after receiving a legacy packet (transmitted CONNECT_IND) if pParams->advConfig.chSel = 1 and the ChSel bit of the received ADV_IND or ADV_DIRECT_IND was 0	BLE_DONE_CONNECT_CHSEL0	FALSE
Correctly received AUX_CONNECT_RSP after sending AUX_CONNECT_REQ	BLE_DONE_CONNECT	FALSE
Received connectable ADV_EXT_IND packet not to be ignored without AUX pointer	BLE_DONE_OK	TRUE
Performed action 3 on secondary channel, and did not send AUX_CONNECT_REQ due to backoff	BLE_DONE_OK	TRUE
Performed action 1 or action 4 on secondary channel	BLE_DONE_RXERR	TRUE
Performed action 3 on secondary channel, sent AUX_CONNECT_REQ and received AUX_CONNECT_RSP with bCrcErr = 1 or bIgnore = 1	BLE_DONE_RXERR	TRUE
Performed action 3 on secondary channel, sent AUX_CONNECT_REQ, but did not get sync or found wrong packet type or invalid length	BLE_DONE_NOSYNC	TRUE
Observed trigger indicated by pParams->timeoutTrigger while waiting for sync on advertiser packet	BLE_DONE_RXTIMEOUT	TRUE
Observed trigger indicated by pParams->timeoutTrigger, then performed actions 1, 2, 3, 4, or 5.	BLE_DONE_RXTIMEOUT	TRUE
Observed trigger indicated by pParams->endTrigger while waiting for sync on advertiser packet	BLE_DONE_ENDED	FALSE
Observed trigger indicated by pParams->endTrigger, then performed actions 1, 2, 3, 4, 5, or 6.	BLE_DONE_ENDED	FALSE
Observed CMD_STOP while waiting for sync on advertiser packet	BLE_DONE_STOPPED	FALSE
Observed CMD_STOP, then performed actions 1, 2, 3, 4, 5, or 6.	BLE_DONE_STOPPED	FALSE
Performed action 6 with wait time to AUX packet more than pParams->maxWaitTimeForAuxCh.	BLE_DONE_AUX	FALSE
Received CMD_ABORT	BLE_DONE_ABORT	ABORT
No space in RX buffer to store received packet	BLE_ERROR_RXBUF	FALSE
Illegal value of channel	BLE_ERROR_PAR	ABORT
LLData length field has illegal value	BLE_ERROR_PAR	ABORT