safety.c

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/* This file has been prepared for Doxygen automatic documentation generation.*/
#define MODULE_SAFETY
#include "pack.h"       //get macros we need
#include "safety.h"
//#include "iom406_320.h"
#include "iom406.h"     // IAR headerfile for Mega406 (EW 410)
#include "pwrmgmt.h"

//Sets up h/w protection registers based on EEPROM values from Calibration procedure.
//  Also sets up necessary pieces for using the HWP interrupt.
void HWProtectinit(void)
{
  PACK_PROTECT_DUV              //see pack.h for definitions & to make adjustments
  PACK_PROTECT_SHORT
  PACK_PROTECT_OVERC
  PACK_PROTECT_TIME

  BPCR = 0;

  BPIR = (1<<DUVIE) | (1<<COCIE) | (1<<DOCIE) | (1<<SCIE);

  //Interrupts should really be disabled before attempting to lock!
//  BPPLR = (1<<BPPLE) | (1<<BPPL);
//  BPPLR = (1<<BPPL);

}




// Handle hardware-protection trip.

#pragma vector = BPINT_vect
__interrupt void HWP_int(void)
{
  unsigned char temp = BPIR;

  if(temp & (1<<DUVIF))
    DoShutdown(SHUTDOWN_REASON_UNDERVOLTAGE);
  if(temp & (1<<COCIF))
    DoShutdown(SHUTDOWN_REASON_CHARGE_OVERCURRENT);
  if(temp & (1<<DOCIF))
    DoShutdown(SHUTDOWN_REASON_DISCHARGE_OVERCURRENT);
  if(temp & (1<<SCIF))
    DoShutdown(SHUTDOWN_REASON_SHORTCIRCUIT);

  BPIR |= 0xF0; //this actually won't execute, but is here as a reminder
                // that you need to MANUALLY reset these flags if you
                // choose to not shut down in here.
}




void SafetyScan(void)
{
  ; 

}

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