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//
//
Have the CommProtocol build and send the frame to the unit.
//
void TCM::SendComm(UInt8 frameType, void * dataPtr, UInt16 dataLen)
{
if(mComm) mComm->SendData(frameType, dataPtr, dataLen);
// Ticks is a timer function.
1 tick = 10msec.
mResponseTime = Ticks() + 300;
// Expect a response within 3 seconds
}
//
//
This is called each time this process gets a turn to execute.
//
void TCM::Control()
{
switch(mStep)
{
case 1:
{
UInt8 pkt[kDataCount + 1];
// the compents we are requesting, preceded by the
number of...
// ...components being requested
pkt[0] = kDataCount;
pkt[1] = CommProtocol::kHeading;
pkt[2] = CommProtocol::kPAngle;
pkt[3] = CommProtocol::kRAngle;
pkt[4] = CommProtocol::kTemperature;
SendComm(CommProtocol::kSetDataComponents, pkt, kDataCount + 1);
// Ticks is a timer function.
1 tick = 10msec.
mTime = Ticks() + 100;
// Taking a sample in 1s.
mStep++;
// go to next step of process
break;
}
case 2:
{
// Ticks is a timer function.
1 tick = 10msec.
if(Ticks() > mTime)
{
// tell the unit to take a sample
SendComm(CommProtocol::kGetData);
mTime = Ticks() + 100;
// take a sample every second
mStep++;
}
PNI Sensor Corporation
TCM3 & TCM5 User Manual – Sept 2012
Doc #1007537 r12
Page 59