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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************

* File Name          : 91x_mc.c

* Author             : MCD Application Team

* Date First Issued  : 05/18/2006 : Version 1.0

* Description        : This file provides all the MC software functions.

********************************************************************************

* History:

* 05/22/2007 : Version 1.2

* 05/24/2006 : Version 1.1

* 05/18/2006 : Version 1.0

********************************************************************************

* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS

* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.

* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,

* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE

* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING

* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.

*******************************************************************************/

/* Includes ------------------------------------------------------------------*/

#include "91x_mc.h"

#include "91x_scu.h"

/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/

#define MC_ODCS_Set    0x0001

#define MC_ODCS_Reset  0x00FE

#define MC_CMS_Set    0x0004

#define MC_CMS_Reset  0x00FB

#define MC_CPC_Set  0x0008

#define MC_CTC_Set  0x0010

#define MC_PCE_Set   0x0020

#define MC_PCE_Reset 0xFFDF

#define MC_TCE_Set   0x0040

#define MC_TCE_Reset 0x00BF

#define MC_DTE_Set   0x0080

#define MC_DTE_Reset 0x007F

#define MC_TCB_Set    0x0004

#define MC_TCB_Reset  0x00FB

#define MC_STC_Set  0x0008

#define MC_TES_Set    0x0010

#define MC_TES_Reset  0x00EF

#define MC_CCPT_Set    0x0020

#define MC_CCPT_Reset  0x005F

#define MC_DISEST_Set    0x0040

#define MC_DISEST_Reset  0x003F

#define MC_DTS_Set    0x0001

#define MC_DTS_Reset  0x00FE

#define MC_SDT_Set    0x0002

#define MC_C0SE_Set    0x0004

#define MC_C0SE_Reset  0x00FB

#define MC_CUSE_Set    0x0008

#define MC_CUSE_Reset  0x00F7 

#define MC_CVSE_Set    0x0010

#define MC_CVSE_Reset  0x00EF

#define MC_CWSE_Set   0x0020

#define MC_CWSE_Reset 0x00D0

#define MC_RSE_Set    0x0040

#define MC_RSE_Reset  0x00BF

#define MC_GPI_Set    0x0080

#define MC_GPI_Reset  0x007F

#define MC_PUH_Set    0x0020

#define MC_PUH_Reset  0x005F

#define MC_PUL_Set    0x0010

#define MC_PUL_Reset  0x006F

#define MC_PVH_Set    0x0008

#define MC_PVH_Reset  0x0077

#define MC_PVL_Set    0x0004

#define MC_PVL_Reset  0x007B

#define MC_PWH_Set    0x0002

#define MC_PWH_Reset  0x007D

#define MC_PWL_Set    0x0001

#define MC_PWL_Reset  0x007E

#define MC_ODS_Set    0x0040

#define MC_ODS_Reset  0xFF3F

#define MC_ESC_Clear  0x4321

#define MC_PCR1_TIN_MASK 0xFFFC

#define MC_OPR_Mask      0x0040 

#define MC_UDCS_Mask     0x0002

/* Private function prototypes -----------------------------------------------*/

/* Private functions ---------------------------------------------------------*/

/******************************************************************************

* Function Name  : MC_DeInit

* Description    : Deinitializes MC peripheral registers to their default reset

*                  values.

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

void MC_DeInit(void)

{      

  /* MC peripheral is under Reset */

  SCU_APBPeriphReset(__MC, ENABLE);

  /* MC peripheral Reset off */

  SCU_APBPeriphReset(__MC, DISABLE);          

}

/*******************************************************************************

* Function Name  : MC_Init

* Description    : Initializes the MC peripheral according to the specified

*                  parameters in the MC_InitStruct .

* Input          : IMC_InitStruct: pointer to a MC_InitTypeDef structure that

*                  contains the configuration information for the MC peripheral.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_Init(MC_InitTypeDef* MC_InitStruct)

{

  /* Select the operating Mode */

  if(MC_InitStruct->MC_OperatingMode == MC_SoftwareOperating_Mode)

   {

     /* Select the Data transfer Mode */

     MC->PCR2 |= MC_DTS_Set;

     /* Enable the registers Software Data Transfer */

     MC->PCR2 |= MC_C0SE_Set | MC_CUSE_Set | MC_CVSE_Set | MC_CWSE_Set

                 |MC_RSE_Set;

   }

   else

   {

     /* Select the Data transfer Mode */

     MC->PCR2 &= MC_DTS_Reset;  

     /* Disable the registers Software Data Transfer */

     MC->PCR2 &= MC_C0SE_Reset | MC_CUSE_Reset | MC_CVSE_Reset | MC_CWSE_Reset

                 |MC_RSE_Reset;

    }

   /* Select the MC PWM counter Mode */

   if(MC_InitStruct->MC_PWMMode == MC_PWMZeroCentered_Mode)

   {

     MC->PCR0 |= MC_CMS_Set;

   }

   else

   {

     MC->PCR0 &= MC_CMS_Reset;

   }

   /* Set the MC PWM counter Prescaler */

   MC->CPRS = MC_InitStruct->MC_Prescaler;

   /* Set the MC PWM Period */

   MC->CMP0 = MC_InitStruct->MC_Period;

   /* Set the MC PWM Repetition counter */

   MC->REP = MC_InitStruct->MC_RepetitionCounter;

   /* Set the Tacho Compare value */

   MC->TCMP = MC_InitStruct->MC_TachoPeriod;

   /* Set the Tacho Prescaler value */

   MC->TPRS = MC_InitStruct->MC_TachoPrescaler;

   /* Set the MC Tacho Input Polarity */

   MC->PCR1 = (MC->PCR1 & MC_PCR1_TIN_MASK) | MC_InitStruct->MC_TachoPolarity;

   /* Set the MC PWM Forced State */

   MC->OPR |= MC_ODS_Set;

   MC->OPR = (MC->OPR & MC_OPR_Mask) | MC_InitStruct->MC_ForcedPWMState;

   /* Select the Tacho Mode */

   if(MC_InitStruct->MC_TachoMode == MC_TachoOneShot_Mode)

   {

     MC->PCR1 |= MC_TCB_Set;

   }

   else

   {

     MC->PCR1 &= MC_TCB_Reset;

   }

   /* Select the Tacho Event Mode */

   if(MC_InitStruct->MC_TachoEvent_Mode == MC_TachoEvent_Software_Mode)

   {

     MC->PCR1 |= MC_TES_Set;

   }

   else

   {

     MC->PCR1 &= MC_TES_Reset;

   }

   /* Enable or disable the emergency input */

   if(MC_InitStruct->MC_Emergency == MC_Emergency_Enable)

   {

     MC->PCR1 &= MC_DISEST_Reset;

   }

   else

   {

     MC->PCR1 |= MC_DISEST_Set;

   }

/* Select the complementary Mode */

   if(MC_InitStruct->MC_Complementary == MC_Complementary_Enable)

   {

     MC->DTG = MC_InitStruct->MC_DeadTime;

     MC->PCR0 |= MC_ODCS_Set;

   }

   else

   {

     MC->PCR0 &= MC_ODCS_Reset;

   }

   /* Tacho Mode selection */

   if(MC_InitStruct->MC_TachoMode == MC_TachoOneShot_Mode)

   {

     MC->PCR1 |= MC_TCB_Set;

   }

   else

   {

     MC->PCR1 &= MC_TCB_Reset;

   }

   switch(MC_InitStruct->MC_Channel)

   {

     /* Channel U configuration */

     case MC_Channel_U:

     {  

       MC->CMPU = MC_InitStruct->MC_PulseU;

       if(MC_InitStruct->MC_PolarityUL == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PUL_Set;

       }

       else

       {

         MC->PSR &= MC_PUL_Reset;

       }

       if(MC_InitStruct->MC_PolarityUH == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PUH_Set;

       }

       else

       {

         MC->PSR &= MC_PUH_Reset;

       }

       break;

     }

     /* Channel V configuration */

     case MC_Channel_V:

     {

       MC->CMPV = MC_InitStruct->MC_PulseV;

       if(MC_InitStruct->MC_PolarityVL == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PVL_Set;

       }

       else

       {

         MC->PSR &= MC_PVL_Reset;

       }

       if(MC_InitStruct->MC_PolarityVH == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PVH_Set;

       }

       else

       {

         MC->PSR &= MC_PVH_Reset;

       }

       break;

     }

     /* Channel W configuration */

     case MC_Channel_W:

     {

       MC->CMPW = MC_InitStruct->MC_PulseW;

       if(MC_InitStruct->MC_PolarityWL == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PWL_Set;

       }

       else

       {

         MC->PSR &= MC_PWL_Reset;

       }

       if(MC_InitStruct->MC_PolarityWH == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PWH_Set;

       }

       else

       {

         MC->PSR &= MC_PWH_Reset;

       }

       break;

     }

     /* All Channel Configuration */

     case MC_Channel_ALL:

     {

       MC->CMPU = MC_InitStruct->MC_PulseU;

       MC->CMPV = MC_InitStruct->MC_PulseV;

       MC->CMPW = MC_InitStruct->MC_PulseW;

       if(MC_InitStruct->MC_PolarityUL == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PUL_Set;

       }

       else

       {

         MC->PSR &= MC_PUL_Reset;

       }

       if(MC_InitStruct->MC_PolarityUH == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PUH_Set;

       }

       else

       {

         MC->PSR &= MC_PUH_Reset;

       }

       if(MC_InitStruct->MC_PolarityVL == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PVL_Set;

       }

       else

       {

         MC->PSR &= MC_PVL_Reset;

       }

       if(MC_InitStruct->MC_PolarityVH == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PVH_Set;

       }

       else

       {

         MC->PSR &= MC_PVH_Reset;

       }

       if(MC_InitStruct->MC_PolarityWL == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PWL_Set;

       }

       else

       {

         MC->PSR &= MC_PWL_Reset;

       }

       if(MC_InitStruct->MC_PolarityWH == MC_Polarity_Inverted)

       {

         MC->PSR |= MC_PWH_Set;

       }

       else

       {

         MC->PSR &= MC_PWH_Reset;

       }

     }

     default:

     break;

   }

}

/*******************************************************************************

* Function Name  : MC_StructInit

* Description    : Fills each MC_InitStruct member with its default value.

* Input          : MC_InitStruct : pointer to a MC_InitTypeDef structure which

*                  will be initialized.

* Output         : None                        

* Return         : None.

*******************************************************************************/

void MC_StructInit(MC_InitTypeDef* MC_InitStruct)

{

  MC_InitStruct->MC_OperatingMode = MC_HardwareOperating_Mode;

  MC_InitStruct->MC_TachoMode = MC_TachoContinuous_Mode;

  MC_InitStruct->MC_TachoEvent_Mode = MC_TachoEvent_Hardware_Mode;

  MC_InitStruct->MC_Prescaler = 0x00;

  MC_InitStruct->MC_TachoPrescaler = 0x0000;

  MC_InitStruct->MC_PWMMode = MC_PWMClassical_Mode;

  MC_InitStruct->MC_Complementary = MC_Complementary_Enable;

  MC_InitStruct->MC_Emergency = MC_Emergency_Disable;

  MC_InitStruct->MC_ForcedPWMState = 0x003F;

  MC_InitStruct->MC_Period = 0x0000;

  MC_InitStruct->MC_TachoPeriod = 0x00FF;

  MC_InitStruct->MC_Channel = MC_Channel_ALL;

  MC_InitStruct->MC_PulseU = 0x0000;

  MC_InitStruct->MC_PulseV = 0x0000;

  MC_InitStruct->MC_PulseW = 0x0000;

  MC_InitStruct->MC_PolarityUL = MC_Polarity_NonInverted;

  MC_InitStruct->MC_PolarityUH = MC_Polarity_NonInverted;

  MC_InitStruct->MC_PolarityVL = MC_Polarity_NonInverted;

  MC_InitStruct->MC_PolarityVH = MC_Polarity_NonInverted;

  MC_InitStruct->MC_PolarityWL = MC_Polarity_NonInverted;

  MC_InitStruct->MC_PolarityWH = MC_Polarity_NonInverted;

  MC_InitStruct->MC_TachoPolarity = MC_TachoEventEdge_RisingFalling;

  MC_InitStruct->MC_DeadTime = 0x003F;

  MC_InitStruct->MC_RepetitionCounter = 0x0000;

}

/*******************************************************************************

* Function Name  : MC_Cmd

* Description    : Enables or disables the MC peripheral.

* Input          : Newstate: new state of the MC peripheral.

*                  This parameter can be: ENABLE or DISABLE.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_Cmd(FunctionalState NewState)

{

  if(NewState == ENABLE)

  {

  /* Enable the PWM counter */

    MC->PCR0 |= MC_PCE_Set;

  /* Enable the Tacho counter */

    MC->PCR0 |= MC_TCE_Set;

  /* Enable the Dead Time counter */

    MC->PCR0 |= MC_DTE_Set;

  }

  else

  {

  /* Disable the PWM counter */

    MC->PCR0 &= MC_PCE_Reset;

  /* Disable the Tacho counter */

    MC->PCR0 &= MC_TCE_Reset;

  /* Disable the Dead counter */

    MC->PCR0 &= MC_DTE_Reset;

  }

}

/*******************************************************************************

* Function Name  : MC_ClearPWMCounter

* Description    : Clears the MC PWM counter.

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ClearPWMCounter(void)

{

/* Clear the PWM counter */

  MC->PCR0 |= MC_CPC_Set;

}

/*******************************************************************************

* Function Name  : MC_ClearTachoCounter

* Description    : Clears the MC Tacho counter.

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ClearTachoCounter(void)

{

/* Clear the Tacho counter */

  MC->PCR0 |= MC_CTC_Set;

}

/*******************************************************************************

* Function Name  : MC_CtrlPWMOutputs

* Description    : Enables or disables MC peripheral Main Outputs.

* Input          : Newstate: new state of the MC peripheral Main Outputs.

*                  This parameter can be: ENABLE or DISABLE.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_CtrlPWMOutputs(FunctionalState Newstate)

{

  if(Newstate == ENABLE)

  {

  /* Enable the dead time generator data */

    MC->OPR &= MC_ODS_Reset;

  }

  else

  {

  /* Enable the default state data */

    MC->OPR |= MC_ODS_Set;

  }

}

/*******************************************************************************

* Function Name  : MC_ITConfig

* Description    : Enables or disables the MC interrupts.

* Input          : - MC_IT: specifies the MC interrupts sources to be enabled

*                    or disabled.

*                    This parameter can be any combination of the following values:

*                         - MC_IT_CMPW: Compare W Interrupt.

*                         - MC_IT_CMPV: Compare V Interrupt.

*                         - MC_IT_CMPU: Compare U Interrupt.

*                         - MC_IT_ZPC: Zero of PWM counter Interrupt.

*                         - MC_IT_ADT: Automatic Data Transfer Interrupt.

*                         - MC_IT_OTC: Overflow of Tacho counter Interrupt.

*                         - MC_IT_CPT: Capture of Tacho counter Interrupt.

*                         - MC_IT_CM0: Compare 0 Interrupt.

*                  - Newstate: new state of IMC interrupts.

*                    This parameter can be: ENABLE or DISABLE.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ITConfig(u16 MC_IT, FunctionalState NewState)

{

  if(NewState == ENABLE)

  {

    /* Enable the specific interrupt source */

    MC->IMR |= MC_IT;

    /* Enable the global peripheral interrupt sources */

    MC->PCR2 |= MC_GPI_Set;

  }

  else

  {  

    /* Disable the specific interrupt source */

    MC->IMR &= ~MC_IT;

    /* Disable the global peripheral interrupt sources */

    MC->PCR2 &= MC_GPI_Reset;

  }

}

/*******************************************************************************

* Function Name  : MC_SetPrescaler

* Description    : Sets the MC prescaler value.

* Input          : MC_Prescaler: MC prescaler new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetPrescaler(u8 MC_Prescaler)

{

/* Set the Prescaler Register value */

  MC->CPRS = MC_Prescaler;

}

/*******************************************************************************

* Function Name  : MC_SetPeriod

* Description    : Sets the MC period value.

* Input          : MC_Period: MC period new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetPeriod(u16 MC_Period)

{

/* Set the Period Register value */

  MC->CMP0 = MC_Period;

}

/*******************************************************************************

* Function Name  : MC_SetPulseU

* Description    : Sets the MC pulse U value.

* Input          : MC_PulseU: MC pulse U new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetPulseU(u16 MC_PulseU)

{

/* Set the Pulse U Register value */

  MC->CMPU = MC_PulseU;

}

/*******************************************************************************

* Function Name  : MC_SetPulseV

* Description    : Sets the MC pulse V value.

* Input          : MC_PulseV: MC pulse V new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetPulseV(u16 MC_PulseV)

{

/* Set the Pulse V Register value */

   MC->CMPV = MC_PulseV;

}

/*******************************************************************************

* Function Name  : MC_SetPulseW

* Description    : Sets the MC pulse W value.

* Input          : MC_PulseW: MC pulse W new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetPulseW(u16 MC_PulseW)

{

/* Set the Pulse W Register value */

   MC->CMPW = MC_PulseW;

}

/*******************************************************************************

* Function Name  : MC_PWMModeConfig

* Description    : Selects the MC PWM counter Mode.

* Input          : MC_PWMMode: MC PWM counter Mode.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_PWMModeConfig(u16 MC_PWMMode)

{

   /* Select the MC PWM counter Mode */

   if(MC_PWMMode == MC_PWMZeroCentered_Mode)

   {

     MC->PCR0 |= MC_CMS_Set;

   }

   else

   {

     MC->PCR0 &= MC_CMS_Reset;

   }

}

/*******************************************************************************

* Function Name  : MC_SetDeadTime

* Description    : Sets the MC dead time value.

* Input          : MC_DeadTime: MC dead time new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetDeadTime(u16 MC_DeadTime)

{

/* Set the dead time Register value */

  MC->DTG = MC_DeadTime;

}

/*******************************************************************************

* Function Name  : MC_SetTachoCompare

* Description    : Sets the MC Tacho Compare Register value.

* Input          : MC_Compare: MC Tacho compare new value.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SetTachoCompare(u8 MC_Compare)

{

 /* Sets the Tacho Compare Register value */

  MC->TCMP = MC_Compare;

}

/*******************************************************************************

* Function Name  : MC_EmergencyCmd

* Description    : Enables or disables the MC emergency feauture.

* Input          : Newstate: new state of the MC peripheral Emergency.

*                  This parameter can be: ENABLE or DISABLE.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_EmergencyCmd(FunctionalState NewState)

{

  if(NewState == ENABLE)

  {

   /* Reset the DISEST Bit in the PCR1 Register to enable the emergency stop input */

    MC->PCR1 &= MC_DISEST_Reset;

  }

  else

  {

  /* Set the DISEST Bit in the PCR1 Register to disable the emergency stop input */

    MC->PCR1 |= MC_DISEST_Reset;

  }

}

/*******************************************************************************

* Function Name  : MC_EmergencyClear

* Description    : Clears the MC Emergency Register.

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

void MC_EmergencyClear(void)

{

/* Force PWM outputs in safe state (All OFF) */

   MC->OPR |= MC_ODS_Set;

/* Clear EST bit */

   MC->ESC = MC_ESC_Clear;

/* Re-enable protection */

   MC->ESC = 0;

/* Enables the Outputs */

   MC->OPR &= MC_ODS_Reset;

}

/*******************************************************************************

* Function Name  : MC_GetPeriod

* Description    : Gets the MC period value.

* Input          : None

* Output         : None

* Return         : MC period value.

*******************************************************************************/

u16 MC_GetPeriod(void)

{

/* Return the PWM signal period value */

  return MC->CMP0;

}

/*******************************************************************************

* Function Name  : MC_GetPulseU

* Description    : Gets the MC pulse U value.

* Input          : None

* Output         : None

* Return         : MC pulse U value.

*******************************************************************************/

u16 MC_GetPulseU(void)

{

/* Return the PWM pulse U Register value */

  return MC->CMPU;

}

/*******************************************************************************

* Function Name  : MC_GetPulseV

* Description    : Gets the MC pulse V value.

* Input          : None

* Output         : None

* Return         : MC pulse V value.

*******************************************************************************/

u16 MC_GetPulseV(void)

{

/* Return the PWM pulse V Register value */

  return MC->CMPV;

}

/*******************************************************************************

* Function Name  : MC_GetPulseW

* Description    : Gets the MC pulse W value.

* Input          : None

* Output         : None

* Return         : MC pulse W value.

*******************************************************************************/

u16 MC_GetPulseW(void)

{

/* Return the PWM pulse W Register value */

  return MC->CMPW;

}

/*******************************************************************************

* Function Name  : MC_GetTachoCapture

* Description    : Gets the MC Tacho period value.

* Input          : None

* Output         : None

* Return         : MC Tacho capture value.

*******************************************************************************/

u16 MC_GetTachoCapture(void)

{

/* Return the Tacho Capture Register value */

  return MC->TCPT;

}

/*******************************************************************************

* Function Name  : MC_ClearOnTachoCapture

* Description    : Enables or disables the the Clear on capture of tacho counter.

* Input          : Newstate: new state of the CCPT bit.

*                  This parameter can be: ENABLE or DISABLE.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ClearOnTachoCapture(FunctionalState NewState)

{

  if(NewState == ENABLE)

  {

    /* Enable the Clear on capture of tacho counter */

    MC->PCR1 |= MC_CCPT_Set;

  }

  else

  {  

    /* Disable the Clear on capture of tacho counter */

    MC->PCR1 &= MC_CCPT_Reset;

  }

}

/*******************************************************************************

* Function Name  : MC_ForceDataTransfer

* Description    : Sets the MC Outputs default states.

* Input          : MC_ForcedData: MC outputs new states.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ForceDataTransfer(u8 MC_ForcedData)

{

   /* Set the MC PWM Forced State */

   MC->OPR |= MC_ODS_Set;

   MC->OPR = (MC->OPR & MC_OPR_Mask) | MC_ForcedData;

}

/*******************************************************************************

* Function Name  : MC_PreloadConfig

* Description    : Enables the Software Data Transfer.

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SoftwarePreloadConfig(void)

{

  /* Set the SDT: Software Data Transfer bit */

  MC->PCR2 |= MC_SDT_Set;

}

/*******************************************************************************

* Function Name  : MC_SoftwareTachoCapture

* Description    : Enables the Software Tacho Capture.

* Input          : None

* Output         : None

* Return         : None

*******************************************************************************/

void MC_SoftwareTachoCapture(void)

{

  /* Set the STC: Software Tacho Capture bit */

  MC->PCR1 |= MC_STC_Set;

}

/*******************************************************************************

* Function Name  : MC_GetCountingStatus

* Description    : Checks whether the PWM Counter is counting Up or Down.

* Input          : None

* Output         : None

* Return         : The new state of the PWM Counter(DOWN or UP).

*******************************************************************************/

CountingStatus MC_GetCountingStatus(void)

{

  if((MC->PCR0 & MC_UDCS_Mask) != DOWN)

  {

    return UP;

  }

  else

  {

    return DOWN;

  }

}

/*******************************************************************************

* Function Name  : MC_GetFlagStatus

* Description    : Checks whether the specified MC flag is set or not.

* Input          : MC_FLAG: specifies the flag to check.

*                  This parameter can be one of the following values:

*                         - MC_FLAG_CMPW: Compare W Flag.

*                         - MC_FLAG_CMPV: Compare V Flag.

*                         - MC_FLAG_CMPU: Compare U Flag.

*                         - MC_FLAG_ZPC: Zero of PWM counter Flag.

*                         - MC_FLAG_ADT: Automatic Data Transfer Flag.

*                         - MC_FLAG_OTC: Overflow of Tacho counter Flag.

*                         - MC_FLAG_CPT: Capture of Tacho counter Flag.

*                         - MC_FLAG_CM0: Compare 0 Flag.

*                         - MC_FLAG_EST: Emergency Stop Flag.

* Output         : None

* Return         : The new state of the MC_FLAG(SET or RESET).

*******************************************************************************/

FlagStatus MC_GetFlagStatus(u16 MC_FLAG)

{

  if((MC->IPR & MC_FLAG) != RESET)

  {

    return SET;

  }

  else

  {

    return RESET;

  }

}

/*******************************************************************************

* Function Name  : MC_ClearFlag

* Description    : Clears the MC’s pending flags.

* Input          : MC_FLAG: specifies the flag to clear.

*                  This parameter can be any combination of the following values:

*                         - MC_FLAG_CMPW: Compare W Flag.

*                         - MC_FLAG_CMPV: Compare V Flag.

*                         - MC_FLAG_CMPU: Compare U Flag.

*                         - MC_FLAG_ZPC: Zero of PWM counter Flag.

*                         - MC_FLAG_ADT: Automatic Data Transfer Flag.

*                         - MC_FLAG_OTC: Overflow of Tacho counter Flag.

*                         - MC_FLAG_CPT: Capture of Tacho counter Flag.

*                         - MC_FLAG_CM0: Compare 0 Flag.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ClearFlag(u16 MC_FLAG)

{

/* Clear the corresponding Flag */

  MC->IPR &= ~MC_FLAG;

}

/*******************************************************************************

* Function Name  : MC_GetITStatus

* Description    : Checks whether the MC interrupt has occurred or not.

* Input          : MC_IT: specifies the MC interrupt source to check.

*                  This parameter can be one of the following values:

*                         - MC_IT_CMPW: Compare W Interrupt.

*                         - MC_IT_CMPV: Compare V Interrupt.

*                         - MC_IT_CMPU: Compare U Interrupt.

*                         - MC_IT_ZPC: Zero of PWM counter Interrupt.

*                         - MC_IT_ADT: Automatic Data Transfer Interrupt.

*                         - MC_IT_OTC: Overflow of Tacho counter Interrupt.

*                         - MC_IT_CPT: Capture of Tacho counter Interrupt.

*                         - MC_IT_CM0: Compare 0 Interrupt.

* Output         : None

* Return         : The new state of the MC_IT(SET or RESET).

*******************************************************************************/

ITStatus MC_GetITStatus(u16 MC_IT)

{

  if((MC->IPR & MC_IT) && (MC->IMR & MC_IT))

  {

    return SET;

  }

  else

  {

    return RESET;

  }

}

/*******************************************************************************

* Function Name  : MC_ClearITPendingBit

* Description    : Clears the IMC's interrupt pending bits.

* Input          : MC_IT: specifies the pending bit to clear.

*                  This parameter can be any combination of the following values:

*                         - MC_IT_CMPW: Compare W Interrupt.

*                         - MC_IT_CMPV: Compare V Interrupt.

*                         - MC_IT_CMPU: Compare U Interrupt.

*                         - MC_IT_ZPC: Zero of PWM counter Interrupt.

*                         - MC_IT_ADT: Automatic Data Transfer Interrupt.

*                         - MC_IT_OTC: Overflow of Tacho counter Interrupt.

*                         - MC_IT_CPT: Capture of Tacho counter Interrupt.

*                         - MC_IT_CM0: Compare 0 Interrupt.

* Output         : None

* Return         : None

*******************************************************************************/

void MC_ClearITPendingBit(u16 MC_IT)

{

/* Clear the corresponding interrupt pending bit */

  MC->IPR &= ~MC_IT;

}

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/