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/*!
* @file apm32f10x_eint.c
*
* @brief This file provides all the EINT firmware functions
*
* @version V1.0.1
*
* @date 2021-03-23
*
*/
#include "apm32f10x_eint.h"
/** @addtogroup Peripherals_Library Standard Peripheral Library
@{
*/
/** @addtogroup EINT_Driver EINT Driver
@{
*/
/** @addtogroup EINT_Fuctions Fuctions
@{
*/
/*!
* @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 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_Fuctions*/
/**@} end of group EINT_Driver */
/**@} end of group Peripherals_Library*/
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