/****************************************************************************************************

RepRapFirmware - Heat

This is all the code to deal with heat and temperature.

-----------------------------------------------------------------------------------------------------

Version 0.1

18 November 2012

Adrian Bowyer
RepRap Professional Ltd
http://reprappro.com

Licence: GPL

****************************************************************************************************/

#include "RepRapFirmware.h"

Heat::Heat(Platform* p, GCodes* g)
{
  platform = p;
  gCodes = g;
  for(int8_t heater=0; heater < HEATERS; heater++)
    pids[heater] = new PID(platform, heater);
  active = false;
}

void Heat::Init()
{
  for(int8_t heater=0; heater < HEATERS; heater++)
  {
    platform->SetHeater(heater, -1);
    pids[heater]->Init();
  }
  lastTime = platform->Time();
  active = true; 
}

void Heat::Exit()
{
  active = false;
}

void Heat::Spin()
{
  if(!active)
    return;
    
   unsigned long t = platform->Time();
   if(t - lastTime < platform->HeatSampleTime())
     return;
   lastTime = t;
   for(int8_t heater=0; heater < HEATERS; heater++)
     pids[heater]->Spin();
}

//******************************************************************************************************

PID::PID(Platform* p, int8_t h)
{
  platform = p;
  heater = h;
}

void PID::Init()
{
  temperature = 5*(heater + 1);
}

void PID::Spin()
{
  temperature += 1;
}