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/*!
* @file apm32f0xx_eint.c
*
* @brief This file contains all the functions for the EINT peripheral
*
* @version V1.0.3
*
* @date 2022-09-20
*
* @attention
*
* Copyright (C) 2020-2022 Geehy Semiconductor
*
* You may not use this file except in compliance with the
* GEEHY COPYRIGHT NOTICE (GEEHY SOFTWARE PACKAGE LICENSE).
*
* The program is only for reference, which is distributed in the hope
* that it will be useful and instructional for customers to develop
* their software. Unless required by applicable law or agreed to in
* writing, the program is distributed on an "AS IS" BASIS, WITHOUT
* ANY WARRANTY OR CONDITIONS OF ANY KIND, either express or implied.
* See the GEEHY SOFTWARE PACKAGE LICENSE for the governing permissions
* and limitations under the License.
*/
/* Includes */
#include "apm32f0xx_eint.h"
/** @addtogroup APM32F0xx_StdPeriphDriver
@{
*/
/** @addtogroup EINT_Driver
@{
*/
/** @defgroup EINT_Macros Macros
@{
*/
/**@} end of group EINT_Macros */
/** @defgroup EINT_Enumerates Enumerates
@{
*/
/**@} end of group EINT_Enumerates */
/** @defgroup EINT_Structures Structures
@{
*/
/**@} end of group EINT_Structures */
/** @defgroup EINT_Variables Variables
@{
*/
/**@} end of group EINT_Variables */
/** @defgroup EINT_Functions Functions
@{
*/
/*!
* @brief Set the EINT peripheral registers to their default reset values
*
* @param None
*
* @retval None
*/
void EINT_Reset(void)
{
EINT->IMASK = EINT_INTMASK_RESET_VALUE;
EINT->EMASK = EINT_EVTMASK_RESET_VALUE;
EINT->RTEN = EINT_RTSEL_RESET_VALUE;
EINT->FTEN = EINT_FTSEL_RESET_VALUE;
EINT->IPEND = EINT_PEND_RESET_VALUE;
}
/*!
* @brief Configure the EINT
*
* @param eintConfig: Pointer to EINT_Config_T structure
*
* @retval None
*/
void EINT_Config(EINT_Config_T* eintConfig)
{
if (eintConfig->lineCmd == DISABLE)
{
if (eintConfig->mode == EINT_MODE_INTERRUPT)
{
EINT->IMASK &= ~eintConfig->line;
}
else if (eintConfig->mode == EINT_MODE_EVENT)
{
EINT->EMASK &= ~eintConfig->line;
}
}
else
{
if (eintConfig->mode == EINT_MODE_INTERRUPT)
{
EINT->IMASK |= eintConfig->line;
}
else if (eintConfig->mode == EINT_MODE_EVENT)
{
EINT->EMASK |= eintConfig->line;
}
if (eintConfig->trigger == EINT_TRIGGER_RISING)
{
EINT->RTEN |= eintConfig->line;
}
else if (eintConfig->trigger == EINT_TRIGGER_FALLING)
{
EINT->FTEN |= eintConfig->line;
}
else
{
EINT->RTEN |= eintConfig->line;
EINT->FTEN |= eintConfig->line;
}
}
}
/*!
* @brief Fills each EINT_Config_T member with its default value
*
* @param eintConfig: Pointer to a EINT_Config_T structure which will be initialized
*
* @retval None
*/
void EINT_ConfigStructInit(EINT_Config_T* eintConfig)
{
eintConfig->line = EINT_LINENONE;
eintConfig->mode = EINT_MODE_INTERRUPT;
eintConfig->trigger = EINT_TRIGGER_FALLING;
eintConfig->lineCmd = DISABLE;
}
/*!
* @brief Select software interrupt on EINT line
*
* @param line: specifies the EINT line on which the software interrupt
*
* @retval None
*/
void EINT_SelectSWInterrupt(uint32_t line)
{
EINT->SWINTE |= (uint32_t)line;
}
/*!
* @brief Read the specified EINT line flag
*
* @param line: Select the EINT line
*
* @retval status: The new state of flag (SET or RESET)
*/
uint8_t EINT_ReadStatusFlag(uint32_t line)
{
uint8_t status = RESET;
if ((EINT->IPEND & line) != (uint32_t)RESET)
{
status = SET;
}
else
{
status = RESET;
}
return status;
}
/*!
* @brief Clears the EINT line pending bits
*
* @param line: Select the EINT line
*
* @retval None
*/
void EINT_ClearStatusFlag(uint32_t line)
{
EINT->IPEND = line;
}
/*!
* @brief Read the specified EINT line interrupt flag
*
* @param line: Select the EINT line
*
* @retval None
*/
uint8_t EINT_ReadIntFlag(uint32_t line)
{
uint8_t status = RESET;
uint32_t enablestatus = 0;
enablestatus = EINT->IMASK & line;
if ((EINT->IPEND & line) != ((uint32_t)RESET) && (enablestatus != (uint32_t)RESET))
{
status = SET;
}
else
{
status = RESET;
}
return status;
}
/*!
* @brief Clears the EINT line pending bits
*
* @param line: Select the EINT line
*
* @retval None
*/
void EINT_ClearIntFlag(uint32_t line)
{
EINT->IPEND = line;
}
/**@} end of group EINT_Functions */
/**@} end of group EINT_Driver */
/**@} end of group APM32F0xx_StdPeriphDriver */
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