void start_paging(void* physbase, void* physfree){
mark_kernel_pages_used(physbase,physfree);
// mark_kernel_pages_used(&(_binary_tarfs_start),&(_binary_tarfs_end));
create_init_process();
cr3_content = init_process->cr3;
map_all_memory_to_pageTables(cr3_content);
checkLookUp(physbase,physfree,cr3_content);
// _asm("sti");
}
void ReadASCII::rampThread(void)
{
//Ramps SP values when the ramp is on
double wait, rate, target, curSP, newSP, SPRBV;
int ramping, rampOn, lookUpOn;
lock();
while (1)
{
//check running
getIntegerParam(P_Ramping, &ramping);
//check ramp mode
getIntegerParam(P_RampOn, &rampOn);
unlock();
if ((!ramping) || (!rampOn)) {
//wait for run to change
epicsEventWait(eventId_);
lock();
continue;
}
lock();
//get SP:RBV
getDoubleParam(P_SPRBV, &SPRBV);
//get current SP
getDoubleParam(P_SPOut, &curSP);
//get target
getDoubleParam(P_Target, &target);
if ((abs(SPRBV - target) < EPSILON) && (abs(curSP - target) < EPSILON))
{
setIntegerParam(P_Ramping, 0);
continue;
}
callParamCallbacks();
unlock();
wait = 5.0; //default wait
//wait
epicsEventWaitWithTimeout(eventId_, wait);
//check near final SP (Doesn't work as requires long time to write to Eurotherm)
//if (diff < (wait * rate))
//{
// //wait less time
// wait = diff / rate;
//}
lock();
//check rampOn (could have changed whilst waiting)
getIntegerParam(P_RampOn, &rampOn);
if (!rampOn)
{
//no longer ramping
setIntegerParam(P_Ramping, 0);
continue;
}
//rate may have changed whilst waiting
getDoubleParam(P_RampRate, &rate);
//SP may have changed
getDoubleParam(P_SPOut, &curSP);
//target may have changed
double oldTarget = target;
getDoubleParam(P_Target, &target);
if (oldTarget != target)
{
//start back at current temp
getDoubleParam(P_CurTemp, &curSP);
setDoubleParam(P_SPOut, curSP);
continue;
}
double diff = abs(target - curSP);
if (diff < (wait * rate))
{
newSP = target;
}else{
if (curSP > target)
rate = -rate;
//update SP with wait*rate
newSP = curSP + wait*rate;
}
setDoubleParam(P_SPOut, newSP);
callParamCallbacks();
//check PID table in use
getIntegerParam(P_LookUpOn, &lookUpOn);
if (lookUpOn)
{
checkLookUp(newSP, curSP);
}
}
}
