uint8 Process_Event()
{
uint8 current_event;
current_event = Pop_T();
switch(current_event)
{
case EVENT_BEACON_SEND:
SendBeacon();
break;
case EVENT_JOINREQUEST_HANDLER:
JoinRequestHandler();
break;
case EVENT_JOINREQUESTACKOK_HANDLER:
JoinRequestACKOKHandler();
break;
case EVENT_DATA_HANDLER:
DataHandler();
break;
case EVENT_UPLOAD_DATA:
Upload_Data();
break;
case EVENT_REJOIN_SEND:
SendReJoin();
break;
}
return current_event;
}
void Mac::HandleBeginTransmit(void)
{
ThreadError error = kThreadError_None;
if (otPlatRadioIdle() != kThreadError_None)
{
mBeginTransmit.Post();
ExitNow();
}
switch (mState)
{
case kStateActiveScan:
mSendFrame.SetChannel(mScanChannel);
SendBeaconRequest(mSendFrame);
mSendFrame.SetSequence(0);
break;
case kStateTransmitBeacon:
mSendFrame.SetChannel(mChannel);
SendBeacon(mSendFrame);
mSendFrame.SetSequence(mBeaconSequence++);
break;
case kStateTransmitData:
mSendFrame.SetChannel(mChannel);
SuccessOrExit(error = mSendHead->HandleFrameRequest(mSendFrame));
mSendFrame.SetSequence(mDataSequence);
break;
default:
assert(false);
break;
}
// Security Processing
ProcessTransmitSecurity();
SuccessOrExit(error = otPlatRadioTransmit(&mSendFrame));
if (mSendFrame.GetAckRequest() && !(otPlatRadioGetCaps() & kRadioCapsAckTimeout))
{
mAckTimer.Start(kAckTimeout);
otLogDebgMac("ack timer start\n");
}
exit:
if (error != kThreadError_None)
{
assert(false);
}
}
void BeaconTransmitter::Update(float deltaTime)
{
if (IsRunning())
{
for (mTimeAccumulator += deltaTime; mTimeAccumulator > mDelayBetweenBeacons; mTimeAccumulator -= mDelayBetweenBeacons)
{
const bool success = SendBeacon();
if (!success)
{
//printf("failed to send broadcast packet\n");
}
}
}
}
