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[spinel] add time sync feature to the spinel (#9977)

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This commit add the structure needed to support time sync to spinel.
This commit is contained in:
DaveLacerte
2024-04-08 17:10:27 -07:00
committed by GitHub
parent 65eac6f66d
commit 8212acd133
2 changed files with 46 additions and 0 deletions
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src/lib/spinel/radio_spinel.cpp
+42
View File
@@ -151,6 +151,11 @@ void RadioSpinel::Init(SpinelInterface &aSpinelInterface,
mSpinelInterface = &aSpinelInterface;
SuccessOrDie(mSpinelInterface->Init(HandleReceivedFrame, this, mRxFrameBuffer));
#if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT && OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
memset(&mTxIeInfo, 0, sizeof(otRadioIeInfo));
mTxRadioFrame.mInfo.mTxInfo.mIeInfo = &mTxIeInfo;
#endif
VerifyOrDie(aIidList != nullptr, OT_EXIT_INVALID_ARGUMENTS);
VerifyOrDie(aIidListLength != 0 && aIidListLength <= OT_ARRAY_LENGTH(mIidList), OT_EXIT_INVALID_ARGUMENTS);
mIid = aIidList[0];
@@ -1805,6 +1810,43 @@ otError RadioSpinel::Transmit(otRadioFrame &aFrame)
mTransmitFrame = &aFrame;
#if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT && OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
if (mTransmitFrame->mInfo.mTxInfo.mIeInfo->mTimeIeOffset != 0)
{
uint64_t netRadioTime = otPlatRadioGetNow(mInstance);
uint64_t netSyncTime;
uint8_t *timeIe = mTransmitFrame->mPsdu + mTransmitFrame->mInfo.mTxInfo.mIeInfo->mTimeIeOffset;
if (netRadioTime == UINT64_MAX)
{
// If we can't get the radio time, get the platform time
netSyncTime = static_cast<uint64_t>(static_cast<int64_t>(otPlatTimeGet()) +
mTransmitFrame->mInfo.mTxInfo.mIeInfo->mNetworkTimeOffset);
}
else
{
uint32_t transmitDelay = 0;
// If supported, add a delay and transmit the network time at a precise moment
#if !OPENTHREAD_MTD && OPENTHREAD_CONFIG_MAC_CSL_TRANSMITTER_ENABLE
transmitDelay = kTxWaitUs / 10;
mTransmitFrame->mInfo.mTxInfo.mTxDelayBaseTime = static_cast<uint32_t>(netRadioTime);
mTransmitFrame->mInfo.mTxInfo.mTxDelay = transmitDelay;
#endif
netSyncTime = static_cast<uint64_t>(static_cast<int64_t>(netRadioTime) + transmitDelay +
mTransmitFrame->mInfo.mTxInfo.mIeInfo->mNetworkTimeOffset);
}
*(timeIe++) = mTransmitFrame->mInfo.mTxInfo.mIeInfo->mTimeSyncSeq;
for (uint8_t i = 0; i < sizeof(uint64_t); i++)
{
*(timeIe++) = static_cast<uint8_t>(netSyncTime & 0xff);
netSyncTime = netSyncTime >> 8;
}
}
#endif // OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT && OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
// `otPlatRadioTxStarted()` is triggered immediately for now, which may be earlier than real started time.
mCallbacks.mTxStarted(mInstance, mTransmitFrame);
src/lib/spinel/radio_spinel.hpp
+4
View File
@@ -1266,6 +1266,10 @@ private:
otRadioFrame mAckRadioFrame;
otRadioFrame *mTransmitFrame; ///< Points to the frame to send
#if OPENTHREAD_CONFIG_MAC_HEADER_IE_SUPPORT && OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
otRadioIeInfo mTxIeInfo;
#endif
otExtAddress mExtendedAddress;
uint16_t mShortAddress;
uint16_t mPanId;