drv_pwrctrl_app_misc_TPBLPFC.c

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/*
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    NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS 
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*/
 
#include <xc.h>
#include <stdint.h>
 
#include "../../../mcc_generated_files/system/pins.h"
 
#include "drv_controller_TPBLPFC.h"
#include "../../devices/dev_TPBLPFC_typedef.h"
#include "PFC_frameworkSetup.h"
#include "../../misc/MCC_add_on.h"
 
 
void Drv_PwrCtrl_TPBLPFC_Init(void)
{
  OpenLoopStartupDuration = OPEN_LOOP_STARTUP_PULSES;
  
  //Compensation out of DCDT: icomp1lv/hv_dcdt.h, vcomp1ph_dcdt.h
  CurrentController_PwrCtrl_TPBLPFC_Init();
  VoltageController_PwrCtrl_TPBLPFC_Init();
  
  //##############################################
  PG1TRIGC = PG1PER >> 1; //180� Phase Shift
//  PG1IOCONLbits.OSYNC = 0b01;
//  PG2IOCONLbits.OSYNC = 0b01;
  //##############################################
 
  PWM_DeadTimeHighSet(PH1_PWM, DEAD_TIME);
  PWM_DeadTimeLowSet(PH1_PWM, DEAD_TIME);
  PWM_GeneratorEnable(PH1_PWM);
  
  PWM_DeadTimeHighSet(PH2_PWM, DEAD_TIME);
  PWM_DeadTimeLowSet(PH2_PWM, DEAD_TIME);
  PWM_GeneratorEnable(PH2_PWM);
  
  PWM_H_N_SetLow();
  PWM_L_N_SetLow();
 
  Vout_Control.Reference.Reference_Internal = 0;
  Adaptive_Gain_Factor = (3276 << 1);  //factor 0.2    3276 is factor = 0.1
}
 
 
void Drv_PwrCtrl_TPBLPFC_Stop(void)
{  
  //<<< only testing >>>
  PWM_OverrideHighEnable(PH1_PWM); //disable PWM output on Buck-H
  PWM_OverrideLowEnable(PH1_PWM); //disable PWM output on Buck-L  
  PWM_OverrideHighEnable(PH2_PWM); //disable PWM output on Buck-H
  PWM_OverrideLowEnable(PH2_PWM); //disable PWM output on Buck-L  
 
  PWM_H_N_SetLow();
  PWM_L_N_SetLow();
  Vout_Control.Reference.Reference_Internal = 0; //new 06.09.2021
  Vout_Control.Vout.Filtered = 0;
 
  //Burst mode flags must be reset on switch off to ensure proper switch on
  //afterwards when PFC was in Burst mode before switch off
  Phase_Values_PH1.Control_Status_Flags.bits.BurstModeLatched = 0;
  Phase_Values_PH1.Controller_Values.Control_Freeze = 0;
  Phase_Values_PH1.Controller_Values.BurstModeCycleCounter = 0;
  Phase_Values_PH2.Control_Status_Flags.bits.BurstModeLatched = 0;
  Phase_Values_PH2.Controller_Values.Control_Freeze = 0;
  Phase_Values_PH2.Controller_Values.BurstModeCycleCounter = 0;
}
 
 
// ramp speed was 1 all the time
#define SOFT_START_RAMP_SPEED 4 //LV step is 26.9mV, HV step is 25.2mV
#define STEP_DELAY 30           //30*100us=3ms delay between one step of SOFT_START_RAMP_SPEED          
 
PWR_CTRL_STATE_e Softstart_reference(void)
{
  static uint16_t SoftstartCounter = 0;
  static PWR_CTRL_STATE_e returnvalue = 1;
 
#ifdef VOLTAGE_LOOP
  if (++SoftstartCounter > STEP_DELAY)
#else
  if (++SoftstartCounter > 20) //fixed value
#endif    
  {
    if (Vout_Control.Reference.Reference_Internal <= Vout_Control.Reference.Reference_Set)
    {
      if (((Vout_Control.Reference.Reference_Internal + SOFT_START_RAMP_SPEED) < Vout_Control.Reference.Reference_Set)
        && ((Vout_Control.Reference.Reference_Internal + SOFT_START_RAMP_SPEED) >= SOFT_START_RAMP_SPEED))
      {
        Vout_Control.Reference.Reference_Internal += SOFT_START_RAMP_SPEED;
        returnvalue = pwr_ctrl_state;
      }
      else
      {
        returnvalue = PCS_UP_AND_RUNNING;
        Vout_Control.Reference.VOUT_dV_dt_Hystresis_High = Vout_Control.Reference.Reference_Internal + (Vout_Control.Reference.Reference_Internal >> 3);
        Vout_Control.Reference.VOUT_dV_dt_Hystresis_Low = Vout_Control.Reference.Reference_Internal - (Vout_Control.Reference.Reference_Internal >> 4);
        Vout_Control.Reference.VOUT_Hystresis_High = Vout_Control.Reference.Reference_Internal + (Vout_Control.Reference.Reference_Internal >> 5);
        Vout_Control.Reference.VOUT_Hystresis_Low = Vout_Control.Reference.Reference_Internal - (Vout_Control.Reference.Reference_Internal >> 5);
        Phase_Values_PH1.Control_Status_Flags.bits.Reference_Changed = 0;
      }
    }
    else
    {
      if (((Vout_Control.Reference.Reference_Internal + SOFT_START_RAMP_SPEED) > Vout_Control.Reference.Reference_Set)
        && ((Vout_Control.Reference.Reference_Internal + SOFT_START_RAMP_SPEED) >= SOFT_START_RAMP_SPEED))
      {
        Vout_Control.Reference.Reference_Internal -= SOFT_START_RAMP_SPEED;
        returnvalue = pwr_ctrl_state;
      }
      else
      {
        returnvalue = PCS_UP_AND_RUNNING;
        Vout_Control.Reference.VOUT_dV_dt_Hystresis_High = Vout_Control.Reference.Reference_Internal + (Vout_Control.Reference.Reference_Internal >> 3);
        Vout_Control.Reference.VOUT_dV_dt_Hystresis_Low = Vout_Control.Reference.Reference_Internal - (Vout_Control.Reference.Reference_Internal >> 4);
        Vout_Control.Reference.VOUT_Hystresis_High = Vout_Control.Reference.Reference_Internal + (Vout_Control.Reference.Reference_Internal >> 5);
        Vout_Control.Reference.VOUT_Hystresis_Low = Vout_Control.Reference.Reference_Internal - (Vout_Control.Reference.Reference_Internal >> 5);
        Phase_Values_PH1.Control_Status_Flags.bits.Reference_Changed = 0;
      }
    }
 
    SoftstartCounter = 0;
  }
  else
    returnvalue = pwr_ctrl_state;
 
  return returnvalue;
}
 
//==============================================================================
//==============================================================================