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/*!
* @file apm32e10x_eint.c
*
* @brief This file provides all the EINT firmware functions
*
* @version V1.0.2
*
* @date 2022-12-31
*
* @attention
*
* Copyright (C) 2021-2023 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.
*/
#include "apm32e10x_eint.h"
/** @addtogroup APM32E10x_StdPeriphDriver
@{
*/
/** @addtogroup EINT_Driver
* @brief EINT driver modules
@{
*/
/** @defgroup EINT_Functions
@{
*/
/*!
* @brief Reset the EINT peripheral registers to their default reset values.
*
* @param None
*
* @retval None
*/
void EINT_Reset(void)
{
EINT->IMASK = 0x00000000;
EINT->EMASK = 0x00000000;
EINT->RTEN = 0x00000000;
EINT->FTEN = 0x00000000;
EINT->IPEND = 0x000FFFFF;
}
/*!
* @brief Configure the EINT
*
* @param eintConfig: pointer to a EINT_Config_T structure.
*
* @retval None
*/
void EINT_Config(EINT_Config_T* eintConfig)
{
uint32_t temp = 0;
temp = (uint32_t)EINT_BASE;
if(eintConfig->lineCmd != DISABLE)
{
EINT->IMASK &= ~eintConfig->line;
EINT->EMASK &= ~eintConfig->line;
temp += eintConfig->mode;
*(__IOM uint32_t *) temp |= eintConfig->line;
EINT->RTEN &= ~eintConfig->line;
EINT->FTEN &= ~eintConfig->line;
if (eintConfig->trigger == EINT_TRIGGER_RISING_FALLING)
{
EINT->RTEN |= eintConfig->line;
EINT->FTEN |= eintConfig->line;
}
else
{
temp = (uint32_t)EINT_BASE;
temp += eintConfig->trigger;
*(__IOM uint32_t *) temp |= eintConfig->line;
}
}
else
{
temp += eintConfig->mode;
*(__IOM uint32_t *) temp &= ~eintConfig->line;
}
}
/*!
* @brief Fills each EINT_Config_T member with its reset value.
*
* @param eintConfig: pointer to a EINT_Config_T structure
*
* @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 lines.
* This parameter can be any combination of EINT_LINE_T(can be from 0 to 18)
*
* @retval None
*/
void EINT_SelectSWInterrupt(uint32_t line)
{
EINT->SWINTE |= line;
}
/*!
* @brief Read the specified EINT_Line flag
*
* @param line: Select the EINT_Line.
* This parameter can be one of EINT_LINE_T(can be from 0 to 18)
*
* @retval status: The new state of flag (SET or RESET)
*/
uint8_t EINT_ReadStatusFlag(EINT_LINE_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.
* This parameter can be any combination of EINT_LINE_T(can be from 0 to 18)
*
* @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.
* This parameter can be one of EINT_LINE_T(can be from 0 to 18)
*
* @retval None
*/
uint8_t EINT_ReadIntFlag(EINT_LINE_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
* This parameter can be any combination of EINT_LINE_T(can be from 0 to 18)
*
* @retval None
*/
void EINT_ClearIntFlag(uint32_t line)
{
EINT->IPEND = line;
}
/**@} end of group EINT_Functions */
/**@} end of group EINT_Driver */
/**@} end of group APM32E10x_StdPeriphDriver */
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