144 lines
4.7 KiB
C
144 lines
4.7 KiB
C
/**************************************************************************//**
|
|
* @file ecap.c
|
|
* @version V3.00
|
|
|
|
* @brief Enhanced Input Capture Timer (ECAP) driver source file
|
|
*
|
|
* @note
|
|
* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* 3. Neither the name of Nuvoton Technology Corp. nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*****************************************************************************/
|
|
#include "M261.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 == ECAP0)
|
|
{
|
|
NVIC_EnableIRQ(ECAP0_IRQn);
|
|
}
|
|
else
|
|
{
|
|
NVIC_EnableIRQ(ECAP1_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 == ECAP0)
|
|
{
|
|
NVIC_DisableIRQ(ECAP0_IRQn);
|
|
}
|
|
else
|
|
{
|
|
NVIC_DisableIRQ(ECAP1_IRQn);
|
|
}
|
|
}
|
|
|
|
/*@}*/ /* end of group ECAP_EXPORTED_FUNCTIONS */
|
|
|
|
/*@}*/ /* end of group ECAP_Driver */
|
|
|
|
/*@}*/ /* end of group Standard_Driver */
|
|
|
|
|
|
/*** (C) COPYRIGHT 2019 Nuvoton Technology Corp. ***/
|