コード例 #1
0
ファイル: PWM_PM.c プロジェクト: GSejas/Control
/*******************************************************************************
* Function Name: PWM_RestoreConfig
********************************************************************************
*
* Summary:
*  Restores the current user configuration of the component.
*
* Parameters:
*  None
*
* Return:
*  None
*
* Global variables:
*  PWM_backup:  Variables of this global structure are used to
*  restore the values of non retention registers on wakeup from sleep mode.
*
*******************************************************************************/
void PWM_RestoreConfig(void) 
{
        #if(!PWM_UsingFixedFunction)
            #if(!PWM_PWMModeIsCenterAligned)
                PWM_WritePeriod(PWM_backup.PWMPeriod);
            #endif /* (!PWM_PWMModeIsCenterAligned) */

            PWM_WriteCounter(PWM_backup.PWMUdb);

            #if (PWM_UseStatus)
                PWM_STATUS_MASK = PWM_backup.InterruptMaskValue;
            #endif /* (PWM_UseStatus) */

            #if(PWM_DeadBandMode == PWM__B_PWM__DBM_256_CLOCKS || \
                PWM_DeadBandMode == PWM__B_PWM__DBM_2_4_CLOCKS)
                PWM_WriteDeadTime(PWM_backup.PWMdeadBandValue);
            #endif /* deadband count is either 2-4 clocks or 256 clocks */

            #if(PWM_KillModeMinTime)
                PWM_WriteKillTime(PWM_backup.PWMKillCounterPeriod);
            #endif /* (PWM_KillModeMinTime) */

            #if(PWM_UseControl)
                PWM_WriteControlRegister(PWM_backup.PWMControlRegister);
            #endif /* (PWM_UseControl) */
        #endif  /* (!PWM_UsingFixedFunction) */
    }
コード例 #2
0
ファイル: PWM.c プロジェクト: thurstonzhu/ELE302-Carlab
/*******************************************************************************
* Function Name: PWM_Init
********************************************************************************
*
* Summary:
*  Initialize component's parameters to the parameters set by user in the 
*  customizer of the component placed onto schematic. Usually called in 
*  PWM_Start().
*
* Parameters:  
*  None
*
* Return: 
*  None
*
*******************************************************************************/
void PWM_Init(void) 
{
    #if (PWM_UsingFixedFunction || PWM_UseControl)
        uint8 ctrl;
    #endif /* (PWM_UsingFixedFunction || PWM_UseControl) */
    
    #if(!PWM_UsingFixedFunction) 
        #if(PWM_UseStatus)
            /* Interrupt State Backup for Critical Region*/
            uint8 PWM_interruptState;
        #endif /* (PWM_UseStatus) */
    #endif /* (!PWM_UsingFixedFunction) */
    
    #if (PWM_UsingFixedFunction)
        /* You are allowed to write the compare value (FF only) */
        PWM_CONTROL |= PWM_CFG0_MODE;
        #if (PWM_DeadBand2_4)
            PWM_CONTROL |= PWM_CFG0_DB;
        #endif /* (PWM_DeadBand2_4) */
                
        /* Set the default Compare Mode */
        #if(CY_PSOC5A)
                ctrl = PWM_CONTROL2 & ((uint8)(~PWM_CTRL_CMPMODE1_MASK));
                PWM_CONTROL2 = ctrl | PWM_DEFAULT_COMPARE1_MODE;
        #endif /* (CY_PSOC5A) */
        #if(CY_PSOC3 || CY_PSOC5LP)
                ctrl = PWM_CONTROL3 & ((uint8 )(~PWM_CTRL_CMPMODE1_MASK));
                PWM_CONTROL3 = ctrl | PWM_DEFAULT_COMPARE1_MODE;
        #endif /* (CY_PSOC3 || CY_PSOC5LP) */
        
         /* Clear and Set SYNCTC and SYNCCMP bits of RT1 register */
        PWM_RT1 &= ((uint8)(~PWM_RT1_MASK));
        PWM_RT1 |= PWM_SYNC;     
                
        /*Enable DSI Sync all all inputs of the PWM*/
        PWM_RT1 &= ((uint8)(~PWM_SYNCDSI_MASK));
        PWM_RT1 |= PWM_SYNCDSI_EN;
       
    #elif (PWM_UseControl)
        /* Set the default compare mode defined in the parameter */
        ctrl = PWM_CONTROL & ((uint8)(~PWM_CTRL_CMPMODE2_MASK)) & ((uint8)(~PWM_CTRL_CMPMODE1_MASK));
        PWM_CONTROL = ctrl | PWM_DEFAULT_COMPARE2_MODE | 
                                   PWM_DEFAULT_COMPARE1_MODE;
    #endif /* (PWM_UsingFixedFunction) */
        
    #if (!PWM_UsingFixedFunction)
        #if (PWM_Resolution == 8)
            /* Set FIFO 0 to 1 byte register for period*/
            PWM_AUX_CONTROLDP0 |= (PWM_AUX_CTRL_FIFO0_CLR);
        #else /* (PWM_Resolution == 16)*/
            /* Set FIFO 0 to 1 byte register for period */
            PWM_AUX_CONTROLDP0 |= (PWM_AUX_CTRL_FIFO0_CLR);
            PWM_AUX_CONTROLDP1 |= (PWM_AUX_CTRL_FIFO0_CLR);
        #endif /* (PWM_Resolution == 8) */

        PWM_WriteCounter(PWM_INIT_PERIOD_VALUE);
    #endif /* (!PWM_UsingFixedFunction) */
        
    PWM_WritePeriod(PWM_INIT_PERIOD_VALUE);

        #if (PWM_UseOneCompareMode)
            PWM_WriteCompare(PWM_INIT_COMPARE_VALUE1);
        #else
            PWM_WriteCompare1(PWM_INIT_COMPARE_VALUE1);
            PWM_WriteCompare2(PWM_INIT_COMPARE_VALUE2);
        #endif /* (PWM_UseOneCompareMode) */
        
        #if (PWM_KillModeMinTime)
            PWM_WriteKillTime(PWM_MinimumKillTime);
        #endif /* (PWM_KillModeMinTime) */
        
        #if (PWM_DeadBandUsed)
            PWM_WriteDeadTime(PWM_INIT_DEAD_TIME);
        #endif /* (PWM_DeadBandUsed) */

    #if (PWM_UseStatus || PWM_UsingFixedFunction)
        PWM_SetInterruptMode(PWM_INIT_INTERRUPTS_MODE);
    #endif /* (PWM_UseStatus || PWM_UsingFixedFunction) */
        
    #if (PWM_UsingFixedFunction)
        /* Globally Enable the Fixed Function Block chosen */
        PWM_GLOBAL_ENABLE |= PWM_BLOCK_EN_MASK;
        /* Set the Interrupt source to come from the status register */
        PWM_CONTROL2 |= PWM_CTRL2_IRQ_SEL;
    #else
        #if(PWM_UseStatus)
            
            /* CyEnterCriticalRegion and CyExitCriticalRegion are used to mark following region critical*/
            /* Enter Critical Region*/
            PWM_interruptState = CyEnterCriticalSection();
            /* Use the interrupt output of the status register for IRQ output */
            PWM_STATUS_AUX_CTRL |= PWM_STATUS_ACTL_INT_EN_MASK;
            
             /* Exit Critical Region*/
            CyExitCriticalSection(PWM_interruptState);
            
            /* Clear the FIFO to enable the PWM_STATUS_FIFOFULL
                   bit to be set on FIFO full. */
            PWM_ClearFIFO();
        #endif /* (PWM_UseStatus) */
    #endif /* (PWM_UsingFixedFunction) */
}
コード例 #3
0
/*******************************************************************************
* Function Name: PWM_RestoreConfig
********************************************************************************
*
* Summary:
*  Restores the current user configuration of the component.
*
* Parameters:
*  void
*
* Return:
*  void
*
* Global variables:
*  PWM_backup:  Variables of this global structure are used to
*  restore the values of non retention registers on wakeup from sleep mode.
*
*******************************************************************************/
void PWM_RestoreConfig(void)
{
#if(!PWM_UsingFixedFunction)
#if (CY_PSOC5A)
    /* Interrupt State Backup for Critical Region*/
    uint8 PWM_interruptState;
    /* Enter Critical Region*/
    PWM_interruptState = CyEnterCriticalSection();
#if (PWM_UseStatus)
    /* Use the interrupt output of the status register for IRQ output */
    PWM_STATUS_AUX_CTRL |= PWM_STATUS_ACTL_INT_EN_MASK;

    PWM_STATUS_MASK = PWM_backup.InterruptMaskValue;
#endif /* (PWM_UseStatus) */

#if (PWM_Resolution == 8)
    /* Set FIFO 0 to 1 byte register for period*/
    PWM_AUX_CONTROLDP0 |= (PWM_AUX_CTRL_FIFO0_CLR);
#else /* (PWM_Resolution == 16)*/
    /* Set FIFO 0 to 1 byte register for period */
    PWM_AUX_CONTROLDP0 |= (PWM_AUX_CTRL_FIFO0_CLR);
    PWM_AUX_CONTROLDP1 |= (PWM_AUX_CTRL_FIFO0_CLR);
#endif /* (PWM_Resolution == 8) */
    /* Exit Critical Region*/
    CyExitCriticalSection(PWM_interruptState);

    PWM_WriteCounter(PWM_backup.PWMUdb);
    PWM_WritePeriod(PWM_backup.PWMPeriod);

#if(PWM_UseOneCompareMode)
    PWM_WriteCompare(PWM_backup.PWMCompareValue);
#else
    PWM_WriteCompare1(PWM_backup.PWMCompareValue1);
    PWM_WriteCompare2(PWM_backup.PWMCompareValue2);
#endif /* (PWM_UseOneCompareMode) */

#if(PWM_DeadBandMode == PWM__B_PWM__DBM_256_CLOCKS || \
                   PWM_DeadBandMode == PWM__B_PWM__DBM_2_4_CLOCKS)
    PWM_WriteDeadTime(PWM_backup.PWMdeadBandValue);
#endif /* deadband count is either 2-4 clocks or 256 clocks */

#if ( PWM_KillModeMinTime)
    PWM_WriteKillTime(PWM_backup.PWMKillCounterPeriod);
#endif /* ( PWM_KillModeMinTime) */
#endif /* (CY_PSOC5A) */

#if (CY_PSOC3 || CY_PSOC5LP)
#if(!PWM_PWMModeIsCenterAligned)
    PWM_WritePeriod(PWM_backup.PWMPeriod);
#endif /* (!PWM_PWMModeIsCenterAligned) */
    PWM_WriteCounter(PWM_backup.PWMUdb);
#if (PWM_UseStatus)
    PWM_STATUS_MASK = PWM_backup.InterruptMaskValue;
#endif /* (PWM_UseStatus) */

#if(PWM_DeadBandMode == PWM__B_PWM__DBM_256_CLOCKS || \
                    PWM_DeadBandMode == PWM__B_PWM__DBM_2_4_CLOCKS)
    PWM_WriteDeadTime(PWM_backup.PWMdeadBandValue);
#endif /* deadband count is either 2-4 clocks or 256 clocks */

#if(PWM_KillModeMinTime)
    PWM_WriteKillTime(PWM_backup.PWMKillCounterPeriod);
#endif /* (PWM_KillModeMinTime) */
#endif /* (CY_PSOC3 || CY_PSOC5LP) */

#if(PWM_UseControl)
    PWM_WriteControlRegister(PWM_backup.PWMControlRegister);
#endif /* (PWM_UseControl) */
#endif  /* (!PWM_UsingFixedFunction) */
}