/* --COPYRIGHT--,TI
   *MSP Source and Object Code Software License Agreement
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#include "hal_clk.h"

HAL_CLK_Handle HAL_CLK_init(void *pMemory,const size_t numBytes)
{
  HAL_CLK_Handle handle;

  if((int16_t)numBytes < (int16_t)sizeof(HAL_CLK_Obj))
  {
    return((HAL_CLK_Handle)NULL);
  }

  handle = (HAL_CLK_Handle)pMemory;

  return(handle);
}//End of HAL_CLK_init()

void HAL_CLK_setParams(HAL_CLK_Handle handle)
{
  HAL_CLK_Obj *obj = (HAL_CLK_Obj *)handle;

  obj->smclkDivider= CS_CLOCK_DIVIDER_1;
  obj->mclkDivider= CS_CLOCK_DIVIDER_1;
  obj->aclkDivider= CS_CLOCK_DIVIDER_1;

  return;
}//End of HAL_CLK_setParams()

bool HAL_CLK_configHardware(HAL_CLK_Handle handle, const HAL_CLK_State state)
{
  HAL_CLK_Obj *obj = (HAL_CLK_Obj *)handle;

  if(state==HAL_CLK_State_Initialization)
  {
        // Configure PJ.4 and PJ.5 as input pins for LFXIN and LFXOUT mode
        GPIO_setAsPeripheralModuleFunctionInputPin(
                GPIO_PORT_PJ,
                GPIO_PIN4 | GPIO_PIN5,
                GPIO_PRIMARY_MODULE_FUNCTION);

        // Configure Clock System
        // MCLK = SMCLK = 8MHz DCO
        // ACLK = 32kHz crystal

        CS_turnOffVLO();

        //Set DCO Frequency to 8MHz
        CS_setDCOFreq(CS_DCORSEL_0, CS_DCOFSEL_6);

        // Set SMCLK = MCLK = DCO/1 and ACLK = LFXT/1
        CS_initClockSignal(CS_SMCLK,CS_DCOCLK_SELECT, obj->smclkDivider);
        CS_initClockSignal(CS_MCLK,CS_DCOCLK_SELECT, obj->mclkDivider);
        CS_initClockSignal(CS_ACLK,CS_LFXTCLK_SELECT, obj->aclkDivider);

      //Initialize LFXT with maximum drive strength for LFXT crystal
      if(false ==
         CS_turnOnLFXTWithTimeout(CS_LFXT_DRIVE_3,HAL_CLK_TIMEOUT_COUNT))
      {
        return false;
      }
  }
  else if(state==HAL_CLK_State_Performance)
  {
      // Configure Clock System
      // This assume 8MHz crystal on FR5994 Launchpad
      // MCLK = SMCLK = 8MHz DCO
      // ACLK = 32kHz crystal
      // reconfigure HFXT pins as GPIOs
      GPIO_setAsOutputPin(GPIO_PORT_PJ,
                    GPIO_PIN6 | GPIO_PIN7);

      // Set SMCLK = MCLK = DCO/1 and ACLK = LFXT/1
      CS_initClockSignal(CS_SMCLK,CS_DCOCLK_SELECT, obj->smclkDivider); //LE inline getters for these
      CS_initClockSignal(CS_MCLK,CS_DCOCLK_SELECT, obj->mclkDivider);
      CS_initClockSignal(CS_ACLK,CS_LFXTCLK_SELECT, obj->aclkDivider);


      //CS_disableClockRequest(CS_SMCLK);
      CS_turnOffHFXT();
      CS_clearAllOscFlagsWithTimeout(HAL_CLK_TIMEOUT_COUNT);

  }
  else if(state==HAL_CLK_State_TurnOnCapture)
  {
    // Configure PJ.6 and PJ.7 as input pins for HFXIN and HFXOUT mode
    GPIO_setAsPeripheralModuleFunctionInputPin(
            GPIO_PORT_PJ,
            GPIO_PIN6 | GPIO_PIN7,
            GPIO_PRIMARY_MODULE_FUNCTION);


    CS_setExternalClockSource(HAL_CLK_32kHz, HAL_CLK_8MHz);
    // Turn on HFXT
    CS_turnOnHFXT(CS_HFXT_DRIVE_8MHZ_16MHZ);
  }
  else if(state==HAL_CLK_State_Capture)
  {
    if(false ==
       CS_turnOnHFXTWithTimeout(CS_HFXT_DRIVE_8MHZ_16MHZ, HAL_CLK_TIMEOUT_COUNT))
    {
        return false;
    }

    CS_initClockSignal(CS_MCLK,CS_HFXTCLK_SELECT,CS_CLOCK_DIVIDER_2);

    CS_initClockSignal(CS_SMCLK,CS_HFXTCLK_SELECT,obj->smclkDivider);
    CS_initClockSignal(CS_ACLK,CS_LFXTCLK_SELECT, obj->aclkDivider);
    if(CS_clearAllOscFlagsWithTimeout(HAL_CLK_TIMEOUT_COUNT) != 0x00)
    {
        return false;
    }
  }
  return true;
}//End of HAL_CLK_configHardware
