LAUNCHXL-F28027F: Powered from inverter EVM8301

the main routine of my program

void main(void)
{
  // Only used if running from FLASH
  // Note that the variable FLASH is defined by the project
  #ifdef FLASH
  // Copy time critical code and Flash setup code to RAM
  // The RamfuncsLoadStart, RamfuncsLoadEnd, and RamfuncsRunStart
  // symbols are created by the linker. Refer to the linker files.
  memCopy((uint16_t *)&RamfuncsLoadStart,(uint16_t *)&RamfuncsLoadEnd,(uint16_t *)&RamfuncsRunStart);

  #ifdef CSM_ENABLE
    //copy .econst to unsecure RAM
    if(*econst_end - *econst_start)
      {
        memCopy((uint16_t *)&econst_start,(uint16_t *)&econst_end,(uint16_t *)&econst_ram_load);
      }

    //copy .switch ot unsecure RAM
    if(*switch_end - *switch_start)
      {
        memCopy((uint16_t *)&switch_start,(uint16_t *)&switch_end,(uint16_t *)&switch_ram_load);
      }
  #endif
  #endif

  // initialize the hardware abstraction layer
  halHandle = HAL_init(&hal,sizeof(hal));

  // initialize the user parameters
  USER_setParams(&gUserParams);

  // set the hardware abstraction layer parameters
  HAL_setParams(halHandle,&gUserParams);

  // setup faults
  HAL_setupFaults(halHandle);

  // init inside HAL : InitI2CGpio();	// init I2C GPIO
  InitVar();

  // initialize the interrupt vector table
  HAL_initIntVectorTable(halHandle);	//ADCINT1 et I2CINT1A

  // enable the ADC interrupts
  HAL_enableAdcInts(halHandle);

  // enable global interrupts
  HAL_enableGlobalInts(halHandle);

  // enable debug interrupts
  HAL_enableDebugInt(halHandle);

  // disable the PWM
  HAL_disablePwm(halHandle);
//debug: enable the PWM
  HAL_enablePwm(halHandle);

#ifdef DRV8301_SPI
  // turn on the DRV8301 if present
  HAL_enableDrv(halHandle);
  // initialize the DRV8301 interface
  HAL_setupDrvSpi(halHandle,&gDrvSpi8301Vars);
#endif

  InitI2C();		// init I2C OLED config

  // For ever loop
  while(true)
  {
   if (Flags.RefreshOLED) RefreshOLED();
  }
} // end of main() function