/**************************************************************************//**
 * @file     epwm.c
 * @version  V3.00
 * @brief    M2351 series EPWM driver source file
 *
 * @copyright SPDX-License-Identifier: Apache-2.0
 * @copyright Copyright (C) 2017-2020 Nuvoton Technology Corp. All rights reserved.
 *****************************************************************************/
#include "NuMicro.h"

/** @addtogroup Standard_Driver Standard Driver
  @{
*/

/** @addtogroup EPWM_Driver EPWM Driver
  @{
*/


/** @addtogroup EPWM_EXPORTED_FUNCTIONS EPWM Exported Functions
  @{
*/

/**
 * @brief Configure EPWM capture and get the nearest unit time.
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32UnitTimeNsec The unit time of counter
 * @param[in] u32CaptureEdge The condition to latch the counter. This parameter is not used
 * @return The nearest unit time in nano second.
 * @details This function is used to Configure EPWM capture and get the nearest unit time.
 */
uint32_t EPWM_ConfigCaptureChannel(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32UnitTimeNsec, uint32_t u32CaptureEdge)
{
    uint32_t u32PWMClockSrc;
    uint32_t u32NearestUnitTimeNsec = 0U;
    uint32_t u32Prescale = 1U, u32CNR = 0xFFFFU;
    uint8_t u8BreakLoop = 0U;

    (void)u32CaptureEdge;
    /* clock source is from PCLK */
    if((epwm == EPWM0) || (epwm == EPWM0_NS))
    {
        u32PWMClockSrc = CLK_GetPCLK0Freq();
    }
    else /* if((epwm == EPWM1)||(epwm == EPWM1_NS)) */
    {
        u32PWMClockSrc = CLK_GetPCLK1Freq();
    }

    u32PWMClockSrc /= 1000UL;
    for(u32Prescale = 1U; u32Prescale <= 0x1000U; u32Prescale++)
    {
        u32NearestUnitTimeNsec = (1000000UL * u32Prescale) / u32PWMClockSrc;
        if(u32NearestUnitTimeNsec < u32UnitTimeNsec)
        {
            if(u32Prescale == 0x1000U)  /* limit to the maximum unit time(nano second) */
            {
                u8BreakLoop = 1U;
            }
            if(!((1000000UL * (u32Prescale + 1UL) > (u32NearestUnitTimeNsec * u32PWMClockSrc))))
            {
                u8BreakLoop = 1U;
            }
        }
        else
        {
            u8BreakLoop = 1U;
        }
        if(u8BreakLoop)
        {
            break;
        }
    }

    /* convert to real register value */
    u32Prescale = u32Prescale - 1U;
    /* every two channels share a prescaler */
    EPWM_SET_PRESCALER(epwm, u32ChannelNum, u32Prescale);

    /* set EPWM to down count type(edge aligned) */
    (epwm)->CTL1 = ((epwm)->CTL1 & ~(EPWM_CTL1_CNTTYPE0_Msk << (u32ChannelNum << 1))) | (1UL << (u32ChannelNum << 1));
    /* set EPWM to auto-reload mode */
    (epwm)->CTL1 &= ~(EPWM_CTL1_CNTMODE0_Msk << u32ChannelNum);
    EPWM_SET_CNR(epwm, u32ChannelNum, u32CNR);

    return (u32NearestUnitTimeNsec);
}

/**
 * @brief This function Configure EPWM generator and get the nearest frequency in edge aligned(up counter type) auto-reload mode
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Frequency Target generator frequency
 * @param[in] u32DutyCycle Target generator duty cycle percentage. Valid range are between 0 ~ 100. 10 means 10%, 20 means 20%...
 * @return Nearest frequency clock in nano second
 Since every two channels, (0 & 1), (2 & 3), shares a prescaler. Call this API to configure EPWM frequency may affect
 *       existing frequency of other channel.
 This function is used for initial stage.
 *       To change duty cycle later, it should get the configured period value and calculate the new comparator value.
 */
uint32_t EPWM_ConfigOutputChannel(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Frequency, uint32_t u32DutyCycle)
{
    uint32_t u32PWMClockSrc;
    uint32_t i;
    uint32_t u32Prescale = 1U, u32CNR = 0xFFFFU;

    /* clock source is from PCLK */
    if((epwm == EPWM0) || (epwm == EPWM0_NS))
    {
        u32PWMClockSrc = CLK_GetPCLK0Freq();
    }
    else /* if((epwm == EPWM1)||(epwm == EPWM1_NS)) */
    {
        u32PWMClockSrc = CLK_GetPCLK1Freq();
    }

    for(u32Prescale = 1U; u32Prescale < 0xFFFU; u32Prescale++)/* prescale could be 0~0xFFF */
    {
        i = (u32PWMClockSrc / u32Frequency) / u32Prescale;
        /* If target value is larger than CNR, need to use a larger prescaler */
        if(i <= (0x10000U))
        {
            u32CNR = i;
            break;
        }
    }
    /* Store return value here 'cos we're gonna change u32Prescale & u32CNR to the real value to fill into register */
    i = u32PWMClockSrc / (u32Prescale * u32CNR);

    /* convert to real register value */
    u32Prescale = u32Prescale - 1U;
    /* every two channels share a prescaler */
    EPWM_SET_PRESCALER(epwm, u32ChannelNum, u32Prescale);
    /* set EPWM to up counter type(edge aligned) and auto-reload mode */
    (epwm)->CTL1 = ((epwm)->CTL1 & ~((EPWM_CTL1_CNTTYPE0_Msk << (u32ChannelNum << 1)) | (EPWM_CTL1_CNTMODE0_Msk << u32ChannelNum)));

    u32CNR = u32CNR - 1U;
    EPWM_SET_CNR(epwm, u32ChannelNum, u32CNR);
    EPWM_SET_CMR(epwm, u32ChannelNum, u32DutyCycle * (u32CNR + 1UL) / 100UL);

    (epwm)->WGCTL0 = ((epwm)->WGCTL0 & ~((EPWM_WGCTL0_PRDPCTL0_Msk | EPWM_WGCTL0_ZPCTL0_Msk) << (u32ChannelNum << 1))) | \
                     (EPWM_OUTPUT_HIGH << (u32ChannelNum << 1UL << EPWM_WGCTL0_ZPCTL0_Pos));
    (epwm)->WGCTL1 = ((epwm)->WGCTL1 & ~((EPWM_WGCTL1_CMPDCTL0_Msk | EPWM_WGCTL1_CMPUCTL0_Msk) << (u32ChannelNum << 1))) | \
                     (EPWM_OUTPUT_LOW << (u32ChannelNum << 1UL << EPWM_WGCTL1_CMPUCTL0_Pos));

    return(i);
}

/**
 * @brief Start EPWM module
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to start EPWM module.
 */
void EPWM_Start(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    (epwm)->CNTEN |= u32ChannelMask;
}

/**
 * @brief Stop EPWM module
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to stop EPWM module.
 */
void EPWM_Stop(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    uint32_t i;
    for(i = 0UL; i < EPWM_CHANNEL_NUM; i ++)
    {
        if(u32ChannelMask & (1UL << i))
        {
            (epwm)->PERIOD[i] = 0UL;
        }
    }
}

/**
 * @brief Stop EPWM generation immediately by clear channel enable bit
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to stop EPWM generation immediately by clear channel enable bit.
 */
void EPWM_ForceStop(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    (epwm)->CNTEN &= ~u32ChannelMask;
}

/**
 * @brief Enable selected channel to trigger ADC
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Condition The condition to trigger ADC. Combination of following conditions:
 *                  - \ref EPWM_TRG_ADC_EVEN_ZERO
 *                  - \ref EPWM_TRG_ADC_EVEN_PERIOD
 *                  - \ref EPWM_TRG_ADC_EVEN_ZERO_PERIOD
 *                  - \ref EPWM_TRG_ADC_EVEN_COMPARE_UP
 *                  - \ref EPWM_TRG_ADC_EVEN_COMPARE_DOWN
 *                  - \ref EPWM_TRG_ADC_ODD_ZERO
 *                  - \ref EPWM_TRG_ADC_ODD_PERIOD
 *                  - \ref EPWM_TRG_ADC_ODD_ZERO_PERIOD
 *                  - \ref EPWM_TRG_ADC_ODD_COMPARE_UP
 *                  - \ref EPWM_TRG_ADC_ODD_COMPARE_DOWN
 *                  - \ref EPWM_TRG_ADC_CH_0_FREE_CMP_UP
 *                  - \ref EPWM_TRG_ADC_CH_0_FREE_CMP_DOWN
 *                  - \ref EPWM_TRG_ADC_CH_2_FREE_CMP_UP
 *                  - \ref EPWM_TRG_ADC_CH_2_FREE_CMP_DOWN
 *                  - \ref EPWM_TRG_ADC_CH_4_FREE_CMP_UP
 *                  - \ref EPWM_TRG_ADC_CH_4_FREE_CMP_DOWN
 * @return None
 * @details This function is used to enable selected channel to trigger ADC.
 */
void EPWM_EnableADCTrigger(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Condition)
{
    if(u32ChannelNum < 4UL)
    {
        (epwm)->EADCTS0 &= ~((EPWM_EADCTS0_TRGSEL0_Msk) << (u32ChannelNum << 3));
        (epwm)->EADCTS0 |= ((EPWM_EADCTS0_TRGEN0_Msk | u32Condition) << (u32ChannelNum << 3));
    }
    else
    {
        (epwm)->EADCTS1 &= ~((EPWM_EADCTS1_TRGSEL4_Msk) << ((u32ChannelNum - 4UL) << 3));
        (epwm)->EADCTS1 |= ((EPWM_EADCTS1_TRGEN4_Msk | u32Condition) << ((u32ChannelNum - 4UL) << 3));
    }
}

/**
 * @brief Disable selected channel to trigger ADC
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable selected channel to trigger ADC.
 */
void EPWM_DisableADCTrigger(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    if(u32ChannelNum < 4UL)
    {
        (epwm)->EADCTS0 &= ~(EPWM_EADCTS0_TRGEN0_Msk << (u32ChannelNum << 3));
    }
    else
    {
        (epwm)->EADCTS1 &= ~(EPWM_EADCTS1_TRGEN4_Msk << ((u32ChannelNum - 4UL) << 3));
    }
}

/**
 * @brief Clear selected channel trigger ADC flag
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Condition This parameter is not used
 * @return None
 * @details This function is used to clear selected channel trigger ADC flag.
 */
void EPWM_ClearADCTriggerFlag(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Condition)
{
    (void)u32Condition;
    (epwm)->STATUS = (EPWM_STATUS_EADCTRGF0_Msk << u32ChannelNum);
}

/**
 * @brief Get selected channel trigger ADC flag
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @retval 0 The specified channel trigger ADC to start of conversion flag is not set
 * @retval 1 The specified channel trigger ADC to start of conversion flag is set
 * @details This function is used to get EPWM trigger ADC to start of conversion flag for specified channel.
 */
uint32_t EPWM_GetADCTriggerFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return (((epwm)->STATUS & (EPWM_STATUS_EADCTRGF0_Msk << u32ChannelNum)) ? 1UL : 0UL);
}

/**
 * @brief Enable selected channel to trigger DAC
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Condition The condition to trigger DAC. Combination of following conditions:
 *                  - \ref EPWM_TRIGGER_DAC_ZERO
 *                  - \ref EPWM_TRIGGER_DAC_PERIOD
 *                  - \ref EPWM_TRIGGER_DAC_COMPARE_UP
 *                  - \ref EPWM_TRIGGER_DAC_COMPARE_DOWN
 * @return None
 * @details This function is used to enable selected channel to trigger DAC.
 */
void EPWM_EnableDACTrigger(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Condition)
{
    (epwm)->DACTRGEN |= (u32Condition << u32ChannelNum);
}

/**
 * @brief Disable selected channel to trigger DAC
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable selected channel to trigger DAC.
 */
void EPWM_DisableDACTrigger(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->DACTRGEN &= ~((EPWM_TRIGGER_DAC_ZERO | EPWM_TRIGGER_DAC_PERIOD | EPWM_TRIGGER_DAC_COMPARE_UP | EPWM_TRIGGER_DAC_COMPARE_DOWN) << u32ChannelNum);
}

/**
 * @brief Clear selected channel trigger DAC flag
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. This parameter is not used
 * @param[in] u32Condition The condition to trigger DAC. This parameter is not used
 * @return None
 * @details This function is used to clear selected channel trigger DAC flag.
 */
void EPWM_ClearDACTriggerFlag(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Condition)
{
    (void)u32ChannelNum;
    (void)u32Condition;
    (epwm)->STATUS = EPWM_STATUS_DACTRGF_Msk;
}

/**
 * @brief Get selected channel trigger DAC flag
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. This parameter is not used
 * @retval 0 The specified channel trigger DAC to start of conversion flag is not set
 * @retval 1 The specified channel trigger DAC to start of conversion flag is set
 * @details This function is used to get selected channel trigger DAC flag.
 */
uint32_t EPWM_GetDACTriggerFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (void)u32ChannelNum;
    return (((epwm)->STATUS & EPWM_STATUS_DACTRGF_Msk) ? 1UL : 0UL);
}

/**
 * @brief This function enable fault brake of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 * @param[in] u32LevelMask Output high or low while fault brake occurs, each bit represent the level of a channel
 *                         while fault brake occurs. Bit 0 represents channel 0, bit 1 represents channel 1...
 * @param[in] u32BrakeSource Fault brake source, could be one of following source
 *                  - \ref EPWM_FB_EDGE_ADCRM
 *                  - \ref EPWM_FB_EDGE_ACMP0
 *                  - \ref EPWM_FB_EDGE_ACMP1
 *                  - \ref EPWM_FB_EDGE_BKP0
 *                  - \ref EPWM_FB_EDGE_BKP1
 *                  - \ref EPWM_FB_EDGE_SYS_CSS
 *                  - \ref EPWM_FB_EDGE_SYS_BOD
 *                  - \ref EPWM_FB_EDGE_SYS_RAM
 *                  - \ref EPWM_FB_EDGE_SYS_COR
 *                  - \ref EPWM_FB_LEVEL_ADCRM
 *                  - \ref EPWM_FB_LEVEL_ACMP0
 *                  - \ref EPWM_FB_LEVEL_ACMP1
 *                  - \ref EPWM_FB_LEVEL_BKP0
 *                  - \ref EPWM_FB_LEVEL_BKP1
 *                  - \ref EPWM_FB_LEVEL_SYS_CSS
 *                  - \ref EPWM_FB_LEVEL_SYS_BOD
 *                  - \ref EPWM_FB_LEVEL_SYS_RAM
 *                  - \ref EPWM_FB_LEVEL_SYS_COR
 * @return None
 * @details This function is used to enable fault brake of selected channel(s).
 *          The write-protection function should be disabled before using this function.
 */
void EPWM_EnableFaultBrake(EPWM_T *epwm, uint32_t u32ChannelMask, uint32_t u32LevelMask, uint32_t u32BrakeSource)
{
    uint32_t i;

    for(i = 0UL; i < EPWM_CHANNEL_NUM; i++)
    {
        if(u32ChannelMask & (1UL << i))
        {
            if((u32BrakeSource == EPWM_FB_EDGE_SYS_CSS) || (u32BrakeSource == EPWM_FB_EDGE_SYS_BOD) || \
                    (u32BrakeSource == EPWM_FB_EDGE_SYS_RAM) || (u32BrakeSource == EPWM_FB_EDGE_SYS_COR) || \
                    (u32BrakeSource == EPWM_FB_LEVEL_SYS_CSS) || (u32BrakeSource == EPWM_FB_LEVEL_SYS_BOD) || \
                    (u32BrakeSource == EPWM_FB_LEVEL_SYS_RAM) || (u32BrakeSource == EPWM_FB_LEVEL_SYS_COR))
            {
                (epwm)->BRKCTL[i >> 1] |= (u32BrakeSource & (EPWM_BRKCTL0_1_SYSEBEN_Msk | EPWM_BRKCTL0_1_SYSLBEN_Msk));
                (epwm)->FAILBRK |= (u32BrakeSource & 0xFUL);
            }
            else
            {
                (epwm)->BRKCTL[i >> 1] |= u32BrakeSource;
            }
        }

        if(u32LevelMask & (1UL << i))
        {
            if((i & 0x1UL) == 0UL)
            {
                /* set brake action as high level for even channel */
                (epwm)->BRKCTL[i >> 1] &= ~EPWM_BRKCTL0_1_BRKAEVEN_Msk;
                (epwm)->BRKCTL[i >> 1] |= ((3UL) << EPWM_BRKCTL0_1_BRKAEVEN_Pos);
            }
            else
            {
                /* set brake action as high level for odd channel */
                (epwm)->BRKCTL[i >> 1] &= ~EPWM_BRKCTL0_1_BRKAODD_Msk;
                (epwm)->BRKCTL[i >> 1] |= ((3UL) << EPWM_BRKCTL0_1_BRKAODD_Pos);
            }
        }
        else
        {
            if((i & 0x1UL) == 0UL)
            {
                /* set brake action as low level for even channel */
                (epwm)->BRKCTL[i >> 1] &= ~EPWM_BRKCTL0_1_BRKAEVEN_Msk;
                (epwm)->BRKCTL[i >> 1] |= ((2UL) << EPWM_BRKCTL0_1_BRKAEVEN_Pos);
            }
            else
            {
                /* set brake action as low level for odd channel */
                (epwm)->BRKCTL[i >> 1] &= ~EPWM_BRKCTL0_1_BRKAODD_Msk;
                (epwm)->BRKCTL[i >> 1] |= ((2UL) << EPWM_BRKCTL0_1_BRKAODD_Pos);
            }
        }
    }
}

/**
 * @brief Enable capture of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to enable capture of selected channel(s).
 */
void EPWM_EnableCapture(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    (epwm)->CAPINEN |= u32ChannelMask;
    (epwm)->CAPCTL |= u32ChannelMask;
}

/**
 * @brief Disable capture of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to disable capture of selected channel(s).
 */
void EPWM_DisableCapture(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    (epwm)->CAPINEN &= ~u32ChannelMask;
    (epwm)->CAPCTL &= ~u32ChannelMask;
}

/**
 * @brief Enables EPWM output generation of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Set bit 0 to 1 enables channel 0 output, set bit 1 to 1 enables channel 1 output...
 * @return None
 * @details This function is used to enable EPWM output generation of selected channel(s).
 */
void EPWM_EnableOutput(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    (epwm)->POEN |= u32ChannelMask;
}

/**
 * @brief Disables EPWM output generation of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel
 *                           Set bit 0 to 1 disables channel 0 output, set bit 1 to 1 disables channel 1 output...
 * @return None
 * @details This function is used to disable EPWM output generation of selected channel(s).
 */
void EPWM_DisableOutput(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    (epwm)->POEN &= ~u32ChannelMask;
}

/**
 * @brief Enables PDMA transfer of selected channel for EPWM capture
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number.
 * @param[in] u32RisingFirst The capture order is rising, falling first. Every two channels share the same setting. Valid values are TRUE and FALSE.
 * @param[in] u32Mode Captured data transferred by PDMA interrupt type. It could be either
 *              - \ref EPWM_CAPTURE_PDMA_RISING_LATCH
 *              - \ref EPWM_CAPTURE_PDMA_FALLING_LATCH
 *              - \ref EPWM_CAPTURE_PDMA_RISING_FALLING_LATCH
 * @return None
 * @details This function is used to enable PDMA transfer of selected channel(s) for EPWM capture.
 This function can only selects even or odd channel of pairs to do PDMA transfer.
 */
void EPWM_EnablePDMA(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32RisingFirst, uint32_t u32Mode)
{
    uint32_t u32IsOddCh;
    u32IsOddCh = u32ChannelNum & 0x1UL;
    (epwm)->PDMACTL = ((epwm)->PDMACTL & ~((EPWM_PDMACTL_CHSEL0_1_Msk | EPWM_PDMACTL_CAPORD0_1_Msk | EPWM_PDMACTL_CAPMOD0_1_Msk) << ((u32ChannelNum >> 1) << 3))) | \
                      (((u32IsOddCh << EPWM_PDMACTL_CHSEL0_1_Pos) | (u32RisingFirst << EPWM_PDMACTL_CAPORD0_1_Pos) | \
                        u32Mode | EPWM_PDMACTL_CHEN0_1_Msk) << ((u32ChannelNum >> 1) << 3));
}

/**
 * @brief Disables PDMA transfer of selected channel for EPWM capture
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number.
 * @return None
 * @details This function is used to enable PDMA transfer of selected channel(s) for EPWM capture.
 */
void EPWM_DisablePDMA(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->PDMACTL &= ~(EPWM_PDMACTL_CHEN0_1_Msk << ((u32ChannelNum >> 1) << 3));
}

/**
 * @brief Enable Dead zone of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Duration Dead zone length in EPWM clock count, valid values are between 0~0xFFF, but 0 means there is no Dead zone.
 * @return None
 * @details This function is used to enable Dead zone of selected channel.
 *          The write-protection function should be disabled before using this function.
 Every two channels share the same setting.
 */
void EPWM_EnableDeadZone(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Duration)
{
    /* every two channels share the same setting */
    (epwm)->DTCTL[(u32ChannelNum) >> 1] &= ~EPWM_DTCTL0_1_DTCNT_Msk;
    (epwm)->DTCTL[(u32ChannelNum) >> 1] |= EPWM_DTCTL0_1_DTEN_Msk | u32Duration;
}

/**
 * @brief Disable Dead zone of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable Dead zone of selected channel.
 *          The write-protection function should be disabled before using this function.
 */
void EPWM_DisableDeadZone(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    /* every two channels shares the same setting */
    (epwm)->DTCTL[(u32ChannelNum) >> 1] &= ~EPWM_DTCTL0_1_DTEN_Msk;
}

/**
 * @brief Enable capture interrupt of selected channel.
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Edge Rising or falling edge to latch counter.
 *              - \ref EPWM_CAPTURE_INT_RISING_LATCH
 *              - \ref EPWM_CAPTURE_INT_FALLING_LATCH
 * @return None
 * @details This function is used to enable capture interrupt of selected channel.
 */
void EPWM_EnableCaptureInt(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Edge)
{
    (epwm)->CAPIEN |= (u32Edge << u32ChannelNum);
}

/**
 * @brief Disable capture interrupt of selected channel.
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Edge Rising or falling edge to latch counter.
 *              - \ref EPWM_CAPTURE_INT_RISING_LATCH
 *              - \ref EPWM_CAPTURE_INT_FALLING_LATCH
 * @return None
 * @details This function is used to disable capture interrupt of selected channel.
 */
void EPWM_DisableCaptureInt(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Edge)
{
    (epwm)->CAPIEN &= ~(u32Edge << u32ChannelNum);
}

/**
 * @brief Clear capture interrupt of selected channel.
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32Edge Rising or falling edge to latch counter.
 *              - \ref EPWM_CAPTURE_INT_RISING_LATCH
 *              - \ref EPWM_CAPTURE_INT_FALLING_LATCH
 * @return None
 * @details This function is used to clear capture interrupt of selected channel.
 */
void EPWM_ClearCaptureIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32Edge)
{
    (epwm)->CAPIF = (u32Edge << u32ChannelNum);
}

/**
 * @brief Get capture interrupt of selected channel.
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @retval 0 No capture interrupt
 * @retval 1 Rising edge latch interrupt
 * @retval 2 Falling edge latch interrupt
 * @retval 3 Rising and falling latch interrupt
 * @details This function is used to get capture interrupt of selected channel.
 */
uint32_t EPWM_GetCaptureIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    uint32_t u32CapIf = 0UL;

    u32CapIf = ((((epwm)->CAPIF & (EPWM_CAPIF_CFLIF0_Msk << u32ChannelNum)) ? 1UL : 0UL) << 1);
    u32CapIf |= (((epwm)->CAPIF & (EPWM_CAPIF_CRLIF0_Msk << u32ChannelNum)) ? 1UL : 0UL);
    return u32CapIf;
}
/**
 * @brief Enable duty interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32IntDutyType Duty interrupt type, could be either
 *              - \ref EPWM_DUTY_INT_DOWN_COUNT_MATCH_CMP
 *              - \ref EPWM_DUTY_INT_UP_COUNT_MATCH_CMP
 * @return None
 * @details This function is used to enable duty interrupt of selected channel.
 */
void EPWM_EnableDutyInt(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32IntDutyType)
{
    (epwm)->INTEN0 |= (u32IntDutyType << u32ChannelNum);
}

/**
 * @brief Disable duty interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable duty interrupt of selected channel.
 */
void EPWM_DisableDutyInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTEN0 &= ~((EPWM_DUTY_INT_DOWN_COUNT_MATCH_CMP | EPWM_DUTY_INT_UP_COUNT_MATCH_CMP) << u32ChannelNum);
}

/**
 * @brief Clear duty interrupt flag of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to clear duty interrupt flag of selected channel.
 */
void EPWM_ClearDutyIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTSTS0 = (EPWM_INTSTS0_CMPUIF0_Msk | EPWM_INTSTS0_CMPDIF0_Msk) << u32ChannelNum;
}

/**
 * @brief Get duty interrupt flag of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return Duty interrupt flag of specified channel
 * @retval 0 Duty interrupt did not occur
 * @retval 1 Duty interrupt occurred
 * @details This function is used to get duty interrupt flag of selected channel.
 */
uint32_t EPWM_GetDutyIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return ((((epwm)->INTSTS0 & ((EPWM_INTSTS0_CMPDIF0_Msk | EPWM_INTSTS0_CMPUIF0_Msk) << u32ChannelNum))) ? 1UL : 0UL);
}

/**
 * @brief This function enable fault brake interrupt
 * @param[in] epwm The pointer of the specified EPWM module
 * @param[in] u32BrakeSource Fault brake source.
 *              - \ref EPWM_FB_EDGE
 *              - \ref EPWM_FB_LEVEL
 * @return None
 * @details This function is used to enable fault brake interrupt.
 *          The write-protection function should be disabled before using this function.
 Every two channels share the same setting.
 */
void EPWM_EnableFaultBrakeInt(EPWM_T *epwm, uint32_t u32BrakeSource)
{
    (epwm)->INTEN1 |= (0x7UL << u32BrakeSource);
}

/**
 * @brief This function disable fault brake interrupt
 * @param[in] epwm The pointer of the specified EPWM module
 * @param[in] u32BrakeSource Fault brake source.
 *              - \ref EPWM_FB_EDGE
 *              - \ref EPWM_FB_LEVEL
 * @return None
 * @details This function is used to disable fault brake interrupt.
 *          The write-protection function should be disabled before using this function.
 Every two channels share the same setting.
 */
void EPWM_DisableFaultBrakeInt(EPWM_T *epwm, uint32_t u32BrakeSource)
{
    (epwm)->INTEN1 &= ~(0x7UL << u32BrakeSource);
}

/**
 * @brief This function clear fault brake interrupt of selected source
 * @param[in] epwm The pointer of the specified EPWM module
 * @param[in] u32BrakeSource Fault brake source.
 *              - \ref EPWM_FB_EDGE
 *              - \ref EPWM_FB_LEVEL
 * @return None
 * @details This function is used to clear fault brake interrupt of selected source.
 *          The write-protection function should be disabled before using this function.
 */
void EPWM_ClearFaultBrakeIntFlag(EPWM_T *epwm, uint32_t u32BrakeSource)
{
    (epwm)->INTSTS1 = (0x3fUL << u32BrakeSource);
}

/**
 * @brief This function get fault brake interrupt flag of selected source
 * @param[in] epwm The pointer of the specified EPWM module
 * @param[in] u32BrakeSource Fault brake source, could be either
 *              - \ref EPWM_FB_EDGE
 *              - \ref EPWM_FB_LEVEL
 * @return Fault brake interrupt flag of specified source
 * @retval 0 Fault brake interrupt did not occurred
 * @retval 1 Fault brake interrupt occurred
 * @details This function is used to get fault brake interrupt flag of selected source.
 */
uint32_t EPWM_GetFaultBrakeIntFlag(EPWM_T *epwm, uint32_t u32BrakeSource)
{
    return (((epwm)->INTSTS1 & (0x3fUL << u32BrakeSource)) ? 1UL : 0UL);
}

/**
 * @brief Enable period interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32IntPeriodType Period interrupt type. This parameter is not used.
 * @return None
 * @details This function is used to enable period interrupt of selected channel.
 */
void EPWM_EnablePeriodInt(EPWM_T *epwm, uint32_t u32ChannelNum,  uint32_t u32IntPeriodType)
{
    (void)u32IntPeriodType;
    (epwm)->INTEN0 |= (EPWM_INTEN0_PIEN0_Msk << u32ChannelNum);
}

/**
 * @brief Disable period interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable period interrupt of selected channel.
 */
void EPWM_DisablePeriodInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTEN0 &= ~(EPWM_INTEN0_PIEN0_Msk << u32ChannelNum);
}

/**
 * @brief Clear period interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to clear period interrupt of selected channel.
 */
void EPWM_ClearPeriodIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTSTS0 = (EPWM_INTSTS0_PIF0_Msk << u32ChannelNum);
}

/**
 * @brief Get period interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return Period interrupt flag of specified channel
 * @retval 0 Period interrupt did not occur
 * @retval 1 Period interrupt occurred
 * @details This function is used to get period interrupt of selected channel.
 */
uint32_t EPWM_GetPeriodIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return ((((epwm)->INTSTS0 & (EPWM_INTSTS0_PIF0_Msk << u32ChannelNum))) ? 1UL : 0UL);
}

/**
 * @brief Enable zero interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to enable zero interrupt of selected channel.
 */
void EPWM_EnableZeroInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTEN0 |= (EPWM_INTEN0_ZIEN0_Msk << u32ChannelNum);
}

/**
 * @brief Disable zero interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable zero interrupt of selected channel.
 */
void EPWM_DisableZeroInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTEN0 &= ~(EPWM_INTEN0_ZIEN0_Msk << u32ChannelNum);
}

/**
 * @brief Clear zero interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to clear zero interrupt of selected channel.
 */
void EPWM_ClearZeroIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->INTSTS0 = (EPWM_INTSTS0_ZIF0_Msk << u32ChannelNum);
}

/**
 * @brief Get zero interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return Zero interrupt flag of specified channel
 * @retval 0 Zero interrupt did not occur
 * @retval 1 Zero interrupt occurred
 * @details This function is used to get zero interrupt of selected channel.
 */
uint32_t EPWM_GetZeroIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return ((((epwm)->INTSTS0 & (EPWM_INTSTS0_ZIF0_Msk << u32ChannelNum))) ? 1UL : 0UL);
}

/**
 * @brief Enable interrupt flag accumulator of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32IntFlagCnt Interrupt flag counter. Valid values are between 0~65535.
 * @param[in] u32IntAccSrc Interrupt flag accumulator source selection.
 *              - \ref EPWM_IFA_ZERO_POINT
 *              - \ref EPWM_IFA_PERIOD_POINT
 *              - \ref EPWM_IFA_COMPARE_UP_COUNT_POINT
 *              - \ref EPWM_IFA_COMPARE_DOWN_COUNT_POINT
 * @return None
 * @details This function is used to enable interrupt flag accumulator of selected channel.
 */
void EPWM_EnableAcc(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32IntFlagCnt, uint32_t u32IntAccSrc)
{
    (epwm)->IFA[u32ChannelNum] = (((epwm)->IFA[u32ChannelNum] & ~((EPWM_IFA0_IFACNT_Msk | EPWM_IFA0_IFASEL_Msk))) | \
                                  (EPWM_IFA0_IFAEN_Msk | (u32IntAccSrc << EPWM_IFA0_IFASEL_Pos) | u32IntFlagCnt));
}

/**
 * @brief Disable interrupt flag accumulator of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to Disable interrupt flag accumulator of selected channel.
 */
void EPWM_DisableAcc(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->IFA[u32ChannelNum] = ((epwm)->IFA[u32ChannelNum] & ~(EPWM_IFA0_IFAEN_Msk));
}

/**
 * @brief Enable interrupt flag accumulator interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to enable interrupt flag accumulator interrupt of selected channel.
 */
void EPWM_EnableAccInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->AINTEN |= (1UL << (u32ChannelNum));
}

/**
 * @brief Disable interrupt flag accumulator interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable interrupt flag accumulator interrupt of selected channel.
 */
void EPWM_DisableAccInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->AINTEN &= ~(1UL << (u32ChannelNum));
}

/**
 * @brief Clear interrupt flag accumulator interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to clear interrupt flag accumulator interrupt of selected channel.
 */
void EPWM_ClearAccInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->AINTSTS = (1UL << (u32ChannelNum));
}

/**
 * @brief Get interrupt flag accumulator interrupt of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @retval 0 Accumulator interrupt did not occur
 * @retval 1 Accumulator interrupt occurred
 * @details This function is used to Get interrupt flag accumulator interrupt of selected channel.
 */
uint32_t EPWM_GetAccInt(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return (((epwm)->AINTSTS & (1UL << (u32ChannelNum))) ? 1UL : 0UL);
}

/**
 * @brief Enable accumulator PDMA of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to enable accumulator interrupt trigger PDMA of selected channel.
 */
void EPWM_EnableAccPDMA(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->APDMACTL |= (1UL << (u32ChannelNum));
}

/**
 * @brief Disable accumulator PDMA of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to disable accumulator interrupt trigger PDMA of selected channel.
 */
void EPWM_DisableAccPDMA(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->APDMACTL &= ~(1UL << (u32ChannelNum));
}

/**
 * @brief Clear free trigger duty interrupt flag of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to clear free trigger duty interrupt flag of selected channel.
 */
void EPWM_ClearFTDutyIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->FTCI = ((EPWM_FTCI_FTCMU0_Msk | EPWM_FTCI_FTCMD0_Msk) << (u32ChannelNum >> 1));
}

/**
 * @brief Get free trigger duty interrupt flag of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return Duty interrupt flag of specified channel
 * @retval 0 Free trigger duty interrupt did not occur
 * @retval 1 Free trigger duty interrupt occurred
 * @details This function is used to get free trigger duty interrupt flag of selected channel.
 */
uint32_t EPWM_GetFTDutyIntFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return (((epwm)->FTCI & ((EPWM_FTCI_FTCMU0_Msk | EPWM_FTCI_FTCMD0_Msk) << (u32ChannelNum >> 1))) ? 1UL : 0UL);
}

/**
 * @brief Enable load mode of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32LoadMode EPWM counter loading mode.
 *              - \ref EPWM_LOAD_MODE_IMMEDIATE
 *              - \ref EPWM_LOAD_MODE_WINDOW
 *              - \ref EPWM_LOAD_MODE_CENTER
 * @return None
 * @details This function is used to enable load mode of selected channel.
 */
void EPWM_EnableLoadMode(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32LoadMode)
{
    (epwm)->CTL0 |= (u32LoadMode << u32ChannelNum);
}

/**
 * @brief Disable load mode of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32LoadMode EPWM counter loading mode.
 *              - \ref EPWM_LOAD_MODE_IMMEDIATE
 *              - \ref EPWM_LOAD_MODE_WINDOW
 *              - \ref EPWM_LOAD_MODE_CENTER
 * @return None
 * @details This function is used to disable load mode of selected channel.
 */
void EPWM_DisableLoadMode(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32LoadMode)
{
    (epwm)->CTL0 &= ~(u32LoadMode << u32ChannelNum);
}

/**
 * @brief Configure synchronization phase of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32SyncSrc EPWM synchronize source selection.
 *              - \ref EPWM_SYNC_OUT_FROM_SYNCIN_SWSYNC
 *              - \ref EPWM_SYNC_OUT_FROM_COUNT_TO_ZERO
 *              - \ref EPWM_SYNC_OUT_FROM_COUNT_TO_COMPARATOR
 *              - \ref EPWM_SYNC_OUT_DISABLE
 * @param[in] u32Direction Phase direction. Control EPWM counter count decrement or increment  after synchronizing.
 *              - \ref EPWM_PHS_DIR_DECREMENT
 *              - \ref EPWM_PHS_DIR_INCREMENT
 * @param[in] u32StartPhase Synchronous start phase value. Valid values are between 0~65535.
 * @return None
 * @details This function is used to configure synchronization phase of selected channel.
 Every two channels share the same setting.
 */
void EPWM_ConfigSyncPhase(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32SyncSrc, uint32_t u32Direction, uint32_t u32StartPhase)
{
    /* every two channels shares the same setting */
    u32ChannelNum >>= 1;
    (epwm)->SYNC = (((epwm)->SYNC & ~((EPWM_SYNC_SINSRC0_Msk << (u32ChannelNum << 1)) | (EPWM_SYNC_PHSDIR0_Msk << u32ChannelNum))) | \
                    (u32Direction << EPWM_SYNC_PHSDIR0_Pos << u32ChannelNum) | (u32SyncSrc << EPWM_SYNC_SINSRC0_Pos) << (u32ChannelNum << 1));
    (epwm)->PHS[(u32ChannelNum)] = u32StartPhase;
}


/**
 * @brief Enable SYNC phase of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to enable SYNC phase of selected channel(s).
 Every two channels share the same setting.
 */
void EPWM_EnableSyncPhase(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    uint32_t i;
    for(i = 0UL; i < EPWM_CHANNEL_NUM; i ++)
    {
        if(u32ChannelMask & (1UL << i))
        {
            (epwm)->SYNC |= (EPWM_SYNC_PHSEN0_Msk << (i >> 1));
        }
    }
}

/**
 * @brief Disable SYNC phase of selected channel(s)
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelMask Combination of enabled channels. Each bit corresponds to a channel.
 *                           Bit 0 is channel 0, bit 1 is channel 1...
 * @return None
 * @details This function is used to disable SYNC phase of selected channel(s).
 Every two channels share the same setting.
 */
void EPWM_DisableSyncPhase(EPWM_T *epwm, uint32_t u32ChannelMask)
{
    uint32_t i;
    for(i = 0UL; i < EPWM_CHANNEL_NUM; i ++)
    {
        if(u32ChannelMask & (1UL << i))
        {
            (epwm)->SYNC &= ~(EPWM_SYNC_PHSEN0_Msk << (i >> 1));
        }
    }
}

/**
 * @brief Enable EPWM SYNC_IN noise filter function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ClkCnt SYNC Edge Detector Filter Count. This controls the counter number of edge detector.
 *            The valid value is 0~7.
 * @param[in] u32ClkDivSel SYNC Edge Detector Filter Clock Selection.
 *              - \ref EPWM_NF_CLK_DIV_1
 *              - \ref EPWM_NF_CLK_DIV_2
 *              - \ref EPWM_NF_CLK_DIV_4
 *              - \ref EPWM_NF_CLK_DIV_8
 *              - \ref EPWM_NF_CLK_DIV_16
 *              - \ref EPWM_NF_CLK_DIV_32
 *              - \ref EPWM_NF_CLK_DIV_64
 *              - \ref EPWM_NF_CLK_DIV_128
 * @return None
 * @details This function is used to enable EPWM SYNC_IN noise filter function.
 */
void EPWM_EnableSyncNoiseFilter(EPWM_T *epwm, uint32_t u32ClkCnt, uint32_t u32ClkDivSel)
{
    (epwm)->SYNC = ((epwm)->SYNC & ~(EPWM_SYNC_SFLTCNT_Msk | EPWM_SYNC_SFLTCSEL_Msk)) | \
                   ((u32ClkCnt << EPWM_SYNC_SFLTCNT_Pos) | (u32ClkDivSel << EPWM_SYNC_SFLTCSEL_Pos) | EPWM_SYNC_SNFLTEN_Msk);
}

/**
 * @brief Disable EPWM SYNC_IN noise filter function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @return None
 * @details This function is used to Disable EPWM SYNC_IN noise filter function.
 */
void EPWM_DisableSyncNoiseFilter(EPWM_T *epwm)
{
    (epwm)->SYNC &= ~EPWM_SYNC_SNFLTEN_Msk;
}

/**
 * @brief Enable EPWM SYNC input pin inverse function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @return None
 * @details This function is used to enable EPWM SYNC input pin inverse function.
 */
void EPWM_EnableSyncPinInverse(EPWM_T *epwm)
{
    (epwm)->SYNC |= EPWM_SYNC_SINPINV_Msk;
}

/**
 * @brief Disable EPWM SYNC input pin inverse function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @return None
 * @details This function is used to Disable EPWM SYNC input pin inverse function.
 */
void EPWM_DisableSyncPinInverse(EPWM_T *epwm)
{
    (epwm)->SYNC &= (~EPWM_SYNC_SINPINV_Msk);
}

/**
 * @brief Set EPWM clock source
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @param[in] u32ClkSrcSel EPWM external clock source.
 *              - \ref EPWM_CLKSRC_EPWM_CLK
 *              - \ref EPWM_CLKSRC_TIMER0
 *              - \ref EPWM_CLKSRC_TIMER1
 *              - \ref EPWM_CLKSRC_TIMER2
 *              - \ref EPWM_CLKSRC_TIMER3
 * @return None
 * @details This function is used to set EPWM clock source.
 Every two channels share the same setting.
 If the clock source of EPWM counter is selected from TIMERn interrupt events, the TRGEPWM(TIMERn_TRGCTL[1], n=0,1..3) bit must be set as 1.
 */
void EPWM_SetClockSource(EPWM_T *epwm, uint32_t u32ChannelNum, uint32_t u32ClkSrcSel)
{
    (epwm)->CLKSRC = ((epwm)->CLKSRC & ~(EPWM_CLKSRC_ECLKSRC0_Msk << ((u32ChannelNum >> 1) << 3))) | \
                     (u32ClkSrcSel << ((u32ChannelNum >> 1) << 3));
}

/**
 * @brief Enable EPWM brake noise filter function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32BrakePinNum Brake pin selection. Valid values are 0 or 1.
 * @param[in] u32ClkCnt SYNC Edge Detector Filter Count. This controls the counter number of edge detector
 * @param[in] u32ClkDivSel SYNC Edge Detector Filter Clock Selection.
 *              - \ref EPWM_NF_CLK_DIV_1
 *              - \ref EPWM_NF_CLK_DIV_2
 *              - \ref EPWM_NF_CLK_DIV_4
 *              - \ref EPWM_NF_CLK_DIV_8
 *              - \ref EPWM_NF_CLK_DIV_16
 *              - \ref EPWM_NF_CLK_DIV_32
 *              - \ref EPWM_NF_CLK_DIV_64
 *              - \ref EPWM_NF_CLK_DIV_128
 * @return None
 * @details This function is used to enable EPWM brake noise filter function.
 */
void EPWM_EnableBrakeNoiseFilter(EPWM_T *epwm, uint32_t u32BrakePinNum, uint32_t u32ClkCnt, uint32_t u32ClkDivSel)
{
    (epwm)->BNF = ((epwm)->BNF & ~((EPWM_BNF_BRK0FCNT_Msk | EPWM_BNF_BRK0NFSEL_Msk) << (u32BrakePinNum << 3))) | \
                  (((u32ClkCnt << EPWM_BNF_BRK0FCNT_Pos) | (u32ClkDivSel << EPWM_BNF_BRK0NFSEL_Pos) | EPWM_BNF_BRK0NFEN_Msk) << (u32BrakePinNum << 3));
}

/**
 * @brief Disable EPWM brake noise filter function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32BrakePinNum Brake pin selection. Valid values are 0 or 1.
 * @return None
 * @details This function is used to disable EPWM brake noise filter function.
 */
void EPWM_DisableBrakeNoiseFilter(EPWM_T *epwm, uint32_t u32BrakePinNum)
{
    (epwm)->BNF &= ~(EPWM_BNF_BRK0NFEN_Msk << (u32BrakePinNum << 3));
}

/**
 * @brief Enable EPWM brake pin inverse function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32BrakePinNum Brake pin selection. Valid values are 0 or 1.
 * @return None
 * @details This function is used to enable EPWM brake pin inverse function.
 */
void EPWM_EnableBrakePinInverse(EPWM_T *epwm, uint32_t u32BrakePinNum)
{
    (epwm)->BNF |= (EPWM_BNF_BRK0PINV_Msk << (u32BrakePinNum << 3));
}

/**
 * @brief Disable EPWM brake pin inverse function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32BrakePinNum Brake pin selection. Valid values are 0 or 1.
 * @return None
 * @details This function is used to disable EPWM brake pin inverse function.
 */
void EPWM_DisableBrakePinInverse(EPWM_T *epwm, uint32_t u32BrakePinNum)
{
    (epwm)->BNF &= ~(EPWM_BNF_BRK0PINV_Msk << (u32BrakePinNum * (uint32_t)EPWM_BNF_BRK1NFEN_Pos));
}

/**
 * @brief Set EPWM brake pin source
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32BrakePinNum Brake pin selection. Valid values are 0 or 1.
 * @param[in] u32SelAnotherModule Select to another module. Valid values are TRUE or FALSE.
 * @return None
 * @details This function is used to set EPWM brake pin source.
 */
void EPWM_SetBrakePinSource(EPWM_T *epwm, uint32_t u32BrakePinNum, uint32_t u32SelAnotherModule)
{
    (epwm)->BNF = ((epwm)->BNF & ~(EPWM_BNF_BK0SRC_Msk << (u32BrakePinNum << 3))) | (u32SelAnotherModule << ((uint32_t)EPWM_BNF_BK0SRC_Pos + (u32BrakePinNum << 3)));
}

/**
 * @brief Set EPWM leading edge blanking function
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32TrigSrcSel Leading edge blanking source selection.
 *              - \ref EPWM_LEBCTL_SRCEN0
 *              - \ref EPWM_LEBCTL_SRCEN2
 *              - \ref EPWM_LEBCTL_SRCEN4
 *              - \ref EPWM_LEBCTL_SRCEN0_2
 *              - \ref EPWM_LEBCTL_SRCEN0_4
 *              - \ref EPWM_LEBCTL_SRCEN2_4
 *              - \ref EPWM_LEBCTL_SRCEN0_2_4
 * @param[in] u32TrigType  Leading edge blanking trigger type.
 *              - \ref EPWM_LEBCTL_TRGTYPE_RISING
 *              - \ref EPWM_LEBCTL_TRGTYPE_FALLING
 *              - \ref EPWM_LEBCTL_TRGTYPE_RISING_OR_FALLING
 * @param[in] u32BlankingCnt  Leading Edge Blanking Counter. Valid values are between 1~512.
                              This counter value decides leading edge blanking window size, and this counter clock base is ECLK.
 * @param[in] u32BlankingEnable Enable EPWM leading edge blanking function. Valid values are TRUE (ENABLE) or FALSE (DISABLE).
 *              - \ref FALSE
 *              - \ref TRUE
 * @return None
 * @details This function is used to configure EPWM leading edge blanking function that blank the false trigger from ACMP brake source which may cause by EPWM output transition.
 EPWM leading edge blanking function is only used for brake source from ACMP.
 */
void EPWM_SetLeadingEdgeBlanking(EPWM_T *epwm, uint32_t u32TrigSrcSel, uint32_t u32TrigType, uint32_t u32BlankingCnt, uint32_t u32BlankingEnable)
{
    (epwm)->LEBCTL = (u32TrigType) | (u32TrigSrcSel) | (u32BlankingEnable);
    /* Blanking window size = LEBCNT + 1, so LEBCNT = u32BlankingCnt - 1 */
    (epwm)->LEBCNT = (u32BlankingCnt) - 1UL;
}

/**
 * @brief Get the time-base counter reached its maximum value flag of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return Count to max interrupt flag of specified channel
 * @retval 0 Count to max interrupt did not occur
 * @retval 1 Count to max interrupt occurred
 * @details This function is used to get the time-base counter reached its maximum value flag of selected channel.
 */
uint32_t EPWM_GetWrapAroundFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    return (((epwm)->STATUS & (EPWM_STATUS_CNTMAXF0_Msk << u32ChannelNum)) ? 1UL : 0UL);
}

/**
 * @brief Clear the time-base counter reached its maximum value flag of selected channel
 * @param[in] epwm The pointer of the specified EPWM module
 *                - EPWM0 : EPWM Group 0
 *                - EPWM1 : EPWM Group 1
 * @param[in] u32ChannelNum EPWM channel number. Valid values are between 0~5
 * @return None
 * @details This function is used to clear the time-base counter reached its maximum value flag of selected channel.
 */
void EPWM_ClearWrapAroundFlag(EPWM_T *epwm, uint32_t u32ChannelNum)
{
    (epwm)->STATUS = (EPWM_STATUS_CNTMAXF0_Msk << u32ChannelNum);
}


/*@}*/ /* end of group EPWM_EXPORTED_FUNCTIONS */

/*@}*/ /* end of group EPWM_Driver */

/*@}*/ /* end of group Standard_Driver */