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/**************************************************************************//**
* @file ecap.c
* @version V3.00
* @brief Enhanced Input Capture Timer (ECAP) driver source file
*
* SPDX-License-Identifier: Apache-2.0
* @copyright (C) 2021 Nuvoton Technology Corp. All rights reserved.
*****************************************************************************/
#include "NuMicro.h"
/** @addtogroup Standard_Driver Standard Driver
@{
*/
/** @addtogroup ECAP_Driver ECAP Driver
@{
*/
/** @addtogroup ECAP_EXPORTED_FUNCTIONS ECAP Exported Functions
@{
*/
/**
* @brief Enable ECAP function
* @param[in] ecap The pointer of the specified ECAP module.
* @param[in] u32FuncMask Input capture function select
* - \ref ECAP_DISABLE_COMPARE
* - \ref ECAP_COMPARE_FUNCTION
* @return None
* @details This macro enable input capture function and select compare and reload function.
*/
void ECAP_Open(ECAP_T *ecap, uint32_t u32FuncMask)
{
/* Clear Input capture mode*/
ecap->CTL0 = ecap->CTL0 & ~(ECAP_CTL0_CMPEN_Msk);
/* Enable Input Capture and set mode */
ecap->CTL0 |= ECAP_CTL0_CAPEN_Msk | (u32FuncMask);
}
/**
* @brief Disable ECAP function
* @param[in] ecap The pointer of the specified ECAP module.
* @return None
* @details This macro disable input capture function.
*/
void ECAP_Close(ECAP_T *ecap)
{
/* Disable Input Capture*/
ecap->CTL0 &= ~ECAP_CTL0_CAPEN_Msk;
}
/**
* @brief This macro is used to enable input channel interrupt
* @param[in] ecap Specify ECAP port
* @param[in] u32Mask The input channel Mask
* - \ref ECAP_CTL0_CAPIEN0_Msk
* - \ref ECAP_CTL0_CAPIEN1_Msk
* - \ref ECAP_CTL0_CAPIEN2_Msk
* - \ref ECAP_CTL0_OVIEN_Msk
* - \ref ECAP_CTL0_CMPIEN_Msk
* @return None
* @details This macro will enable the input channel_n interrupt.
*/
void ECAP_EnableINT(ECAP_T *ecap, uint32_t u32Mask)
{
/* Enable input channel interrupt */
ecap->CTL0 |= (u32Mask);
/* Enable NVIC ECAP IRQ */
if (ecap == (ECAP_T *)ECAP0)
{
NVIC_EnableIRQ((IRQn_Type)ECAP0_IRQn);
}
else if (ecap == (ECAP_T *)ECAP1)
{
NVIC_EnableIRQ((IRQn_Type)ECAP1_IRQn);
}
else if (ecap == (ECAP_T *)ECAP2)
{
NVIC_EnableIRQ((IRQn_Type)ECAP2_IRQn);
}
else
{
NVIC_EnableIRQ((IRQn_Type)ECAP3_IRQn);
}
}
/**
* @brief This macro is used to disable input channel interrupt
* @param[in] ecap Specify ECAP port
* @param[in] u32Mask The input channel number
* - \ref ECAP_CTL0_CAPIEN0_Msk
* - \ref ECAP_CTL0_CAPIEN1_Msk
* - \ref ECAP_CTL0_CAPIEN2_Msk
* - \ref ECAP_CTL0_OVIEN_Msk
* - \ref ECAP_CTL0_CMPIEN_Msk
* @return None
* @details This macro will disable the input channel_n interrupt.
*/
void ECAP_DisableINT(ECAP_T *ecap, uint32_t u32Mask)
{
/* Disable input channel interrupt */
ecap->CTL0 &= ~(u32Mask);
/* Disable NVIC ECAP IRQ */
if (ecap == (ECAP_T *)ECAP0)
{
NVIC_DisableIRQ((IRQn_Type)ECAP0_IRQn);
}
if (ecap == (ECAP_T *)ECAP1)
{
NVIC_DisableIRQ((IRQn_Type)ECAP1_IRQn);
}
if (ecap == (ECAP_T *)ECAP2)
{
NVIC_DisableIRQ((IRQn_Type)ECAP2_IRQn);
}
else
{
NVIC_DisableIRQ((IRQn_Type)ECAP3_IRQn);
}
}
/*@}*/ /* end of group ECAP_EXPORTED_FUNCTIONS */
/*@}*/ /* end of group ECAP_Driver */
/*@}*/ /* end of group Standard_Driver */
/*** (C) COPYRIGHT 2021 Nuvoton Technology Corp. ***/
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