//****************************************************************************
// @Module        Power Saving Modes
// @Filename      PS.C
// @Project       CL2.0.dav
//----------------------------------------------------------------------------
// @Controller    Infineon XC886CLM-8FF
//
// @Compiler      Keil
//
// @Codegenerator 1.3
//
// @Description:  This file contains functions that use the PS module.
//
//----------------------------------------------------------------------------
// @Date          2025/1/21 08:53:36
//
//****************************************************************************

// USER CODE BEGIN (PS_General,1)

// USER CODE END



//****************************************************************************
// @Project Includes
//****************************************************************************

#include "MAIN.H"

// USER CODE BEGIN (PS_General,2)

// USER CODE END


//****************************************************************************
// @Macros
//****************************************************************************

// USER CODE BEGIN (PS_General,3)

// USER CODE END


//****************************************************************************
// @Defines
//****************************************************************************

// USER CODE BEGIN (PS_General,4)

// USER CODE END


//****************************************************************************
// @Typedefs
//****************************************************************************

// USER CODE BEGIN (PS_General,5)

// USER CODE END


//****************************************************************************
// @Imported Global Variables
//****************************************************************************

// USER CODE BEGIN (PS_General,6)

// USER CODE END


//****************************************************************************
// @Global Variables
//****************************************************************************

// USER CODE BEGIN (PS_General,7)

// USER CODE END


//****************************************************************************
// @External Prototypes
//****************************************************************************

// USER CODE BEGIN (PS_General,8)

// USER CODE END


//****************************************************************************
// @Prototypes Of Local Functions
//****************************************************************************

// USER CODE BEGIN (PS_General,9)

// USER CODE END


//****************************************************************************
// @Function      void PS_vInit(void) 
//
//----------------------------------------------------------------------------
// @Description   This is the initialization function of the Power Saving 
//                function library. It is assumed that the SFRs used by this 
//                library are in their reset state. 
//                
//                This function does not contain any generated C-code, but it 
//                is possible to insert application specific source lines. 
//
//----------------------------------------------------------------------------
// @Returnvalue   None
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2025/1/21
//
//****************************************************************************

// USER CODE BEGIN (PS_Init,1)

// USER CODE END

void PS_vInit(void)
{
  // USER CODE BEGIN (PS_Init,2)

  // USER CODE END

  ///  Slow Down Clock is 48.00 MHz
  ///  which is 1/4 of the System Clock fSYS

  ///  wake up with reset is selected


  SFR_PAGE(_su1, noSST);         // switch to page1 with out saving

  ///  Pin P0.1 (input)
  ///  - used as wake up pin via RXD_1 from powerdown 

  ///  Pin P0.5 (input)
  ///  - used as wake up pin via EXINT0 from powerdown 

  PMCON0        =  0x13;         //  wakeup control register

  //   ---------- Modules configuration status for PMCON1 reg.----------

  ///   ADC enabled
  ///   SSC disabled
  ///   CCU enabled
  ///   T2 enabled
  ///   MDU enabled
  ///   CAN enabled
  ///   CDC enabled
  PMCON1        =  0x02;         //  Power mode control register 1

  SFR_PAGE(_su3, noSST);         // switch to page3 with out saving

  //   ---------- Modules configuration status for PMCON2 reg.----------

  ///   T21 enabled
  ///   UART1 enabled
  PMCON2        =  0x00;         //  Power mode control register 2

  SFR_PAGE(_su0, noSST);         // switch to page0 with out saving

  IEN0         |= 0x01;          // interrupt enable  register 0
  TCON          =  0x01;         // Set TCON.IT0 

  MODPISEL      =  0x01;         // load peripheral input select reg

} //  End of function PS_vInit


//****************************************************************************
// @Function      void PS_vSetPowerDown(void) 
//
//----------------------------------------------------------------------------
// @Description   This function invokes the software power down mode by 
//                execution of following steps:
//                - the external wake-up from software power down remains 
//                disabled
//                - bit PD in SFR PMCON0 will be set
//                  (this will stop all controller functions)
//
//----------------------------------------------------------------------------
// @Returnvalue   None
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2025/1/21
//
//****************************************************************************

void PS_vSetPowerDown(void)
{
  //   enter software power down mode
  STR_PAGE(_su1, _su);           // push current SCU page and switch to page1

  ///  External wake-up enabled

  ///  Wake-up via pin RxD_1 and EXINT0 is selected
  PMCON0|=0x03;

  MAIN_vUnlockProtecReg();       // open access to protected register
 
  PMCON0 |= 0x04;     //   set   PD
 
  MAIN_vlockProtecReg();         // close access to protected register

  RST_PAGE(_su);                 // restore the old SCU page

} //  End of function PS_vSetPowerDown


//****************************************************************************
// @Function      void PS_vSetSlowDown(void) 
//
//----------------------------------------------------------------------------
// @Description   This function activates the slow down mode by setting bit 
//                SD in SFR PMCON0.
//                Note: DAvE's project settings for the on-chip peripheral 
//                components are only valid for normal clock operation. 
//                During slow down mode the behavior of the peripherals can 
//                differ from these settings due to the reduced clock rate!
//
//----------------------------------------------------------------------------
// @Returnvalue   None
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2025/1/21
//
//****************************************************************************

void PS_vSetSlowDown(void)
{

  STR_PAGE(_su1, _su);           // push current SCU page and switch to page1


  MAIN_vUnlockProtecReg();       // open access to protected register

  PMCON0 |= 0x08;     //   set   SD

  MAIN_vlockProtecReg();         // close access to protected register

  RST_PAGE(_su);                 // restore the old SCU page

} //  End of function PS_vSetSlowDown


//****************************************************************************
// @Function      void PS_vResetSlowDown(void) 
//
//----------------------------------------------------------------------------
// @Description   This function terminates the slow down mode by clearing bit 
//                SD in SFR PMCON0.
//
//----------------------------------------------------------------------------
// @Returnvalue   None
//
//----------------------------------------------------------------------------
// @Parameters    None
//
//----------------------------------------------------------------------------
// @Date          2025/1/21
//
//****************************************************************************

void PS_vResetSlowDown(void)
{

  STR_PAGE(_su1, _su);           // push current SCU page and switch to page1


  MAIN_vUnlockProtecReg();       // open access to protected register

  PMCON0 &= ~(ubyte)0x08; //   clear SD

  MAIN_vlockProtecReg();         // close access to protected register

  RST_PAGE(_su);                 // restore the old SCU page

} //  End of function PS_vResetSlowDown


// USER CODE BEGIN (PS_General,10)

// USER CODE END