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/*!
* @file apm32f10x_bakpr.c
*
* @brief This file provides all the BAKPR firmware functions.
*
* @version V1.0.4
*
* @date 2022-12-01
*
* @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.
*/
#include "apm32f10x_bakpr.h"
#include "apm32f10x_rcm.h"
/** @addtogroup APM32F10x_StdPeriphDriver
@{
*/
/** @addtogroup BAKPR_Driver BAKPR Driver
* @brief BAKPR driver modules
@{
*/
/** @defgroup BAKPR_Functions Functions
@{
*/
/*!
* @brief Reset the BAKPR peripheral registers to their default reset values.
*
* @param None
*
* @retval None
*/
void BAKPR_Reset(void)
{
RCM_EnableBackupReset();
RCM_DisableBackupReset();
}
/*!
* @brief Deinitializes the BAKPR peripheral registers to their default reset values.
*
* @param value: specifies the RTC output source.
* This parameter can be one of the following values:
* @arg BAKPR_TAMPER_PIN_LEVEL_HIGH: Tamper pin active on high level
* @arg BAKPR_TAMPER_PIN_LEVEL_LOW: Tamper pin active on low level
*
* @retval None
*/
void BAKPR_ConfigTamperPinLevel(BAKPR_TAMPER_PIN_LEVEL_T value)
{
BAKPR->CTRL_B.TPALCFG = value;
}
/*!
* @brief Enables the Tamper Pin activation.
*
* @param None
*
* @retval None
*/
void BAKPR_EnableTamperPin(void)
{
BAKPR->CTRL_B.TPFCFG = ENABLE ;
}
/*!
* @brief Disables the Tamper Pin activation.
*
* @param None
*
* @retval None
*/
void BAKPR_DisableTamperPin(void)
{
BAKPR->CTRL_B.TPFCFG = DISABLE ;
}
/*!
* @brief Enables the Tamper Pin Interrupt.
*
* @param None
*
* @retval None
*/
void BAKPR_EnableInterrupt(void)
{
BAKPR->CSTS_B.TPIEN = ENABLE ;
}
/*!
* @brief Disables the Tamper Pin Interrupt.
*
* @param None
*
* @retval None
*/
void BAKPR_DisableInterrupt(void)
{
BAKPR->CSTS_B.TPIEN = DISABLE ;
}
/*!
* @brief Select the RTC output source to output on the Tamper pin.
*
* @param soure: specifies the RTC output source.
* This parameter can be one of the following values:
* @arg BAKPR_RTC_OUTPUT_SOURCE_NONE : no RTC output on the Tamper pin.
* @arg BAKPR_RTC_OUTPUT_SOURCE_CALIBRATION_CLOCK: output the RTC clock with frequency divided by 64 on the Tamper pin.
* @arg BAKPR_RTC_OUTPUT_SOURCE_ALARM : output the RTC Alarm pulse signal on the Tamper pin.
* @arg BAKPR_RTC_OUTPUT_SOURCE_SECOND : output the RTC Second pulse signal on the Tamper pin.
*
* @retval None
*/
void BAKPR_ConfigRTCOutput(BAKPR_RTC_OUTPUT_SOURCE_T soure)
{
if (soure == BAKPR_RTC_OUTPUT_SOURCE_NONE)
{
BAKPR->CLKCAL = RESET;
}
else if (soure == BAKPR_RTC_OUTPUT_SOURCE_CALIBRATION_CLOCK)
{
BAKPR->CLKCAL_B.CALCOEN = BIT_SET;
}
else if (soure == BAKPR_RTC_OUTPUT_SOURCE_ALARM)
{
BAKPR->CLKCAL_B.ASPOEN = BIT_SET;
}
else if (soure == BAKPR_RTC_OUTPUT_SOURCE_SECOND)
{
BAKPR->CLKCAL_B.ASPOSEL = BIT_SET;
}
}
/*!
* @brief Sets RTC Clock Calibration value.
*
* @param calibrationValue: Specifies the calibration value.
* This parameter must be a number between 0 and 0x7F.
*
* @retval None
*/
void BAKPR_ConfigRTCCalibrationValue(uint8_t calibrationValue)
{
BAKPR->CLKCAL_B.CALVALUE = calibrationValue;
}
/*!
* @brief Set user data to the specified Data Backup Register.
*
* @param bakrData : specifies the Data Backup Register.
* This parameter can be BAKPR_DATAx where x is between 1 and 42.
*
* @param data : data to set
* This parameter can be a 16bit value.
*
* @retval None
*/
void BAKPR_ConfigBackupRegister(BAKPR_DATA_T bakrData, uint16_t data)
{
__IOM uint32_t tmp = 0;
tmp = (uint32_t)BAKPR_BASE;
tmp += bakrData;
*(__IOM uint32_t*) tmp = data;
}
/*!
* @brief Reads user data from the specified Data Backup Register.
*
* @param bakrData : specifies the Data Backup Register.
* This parameter can be BAKPR_DATAx where x is between 1 and 42.
*
* @retval The content of the specified Data Backup Register
*/
uint16_t BAKPR_ReadBackupRegister(BAKPR_DATA_T bakrData)
{
__IOM uint32_t tmp = 0;
tmp = (uint32_t)BAKPR_BASE;
tmp += bakrData;
return (*(__IOM uint32_t*) tmp);
}
/*!
* @brief Read whether the Tamper Pin Event flag is set or not.
*
* @param None
*
* @retval Tamper Pin Event flag state
*/
uint8_t BAKPR_ReadStatusFlag(void)
{
return BAKPR->CSTS_B.TEFLG;
}
/*!
* @brief Clears Tamper Pin Event pending flag.
*
* @param None
*
* @retval None
*/
void BAKPR_ClearStatusFlag(void)
{
BAKPR->CSTS_B.TECLR = BIT_SET;
}
/*!
* @brief Get whether the Tamper Pin Interrupt has occurred or not.
*
* @param None
*
* @retval Tamper Pin Interrupt State
*/
uint8_t BAKPR_ReadIntFlag(void)
{
return BAKPR->CSTS_B.TIFLG;
}
/*!
* @brief Clears Tamper Pin Interrupt pending bit.
*
* @param None
*
* @retval None
*/
void BAKPR_ClearIntFlag(void)
{
BAKPR->CSTS_B.TICLR = BIT_SET;
}
/**@} end of group BAKPR_Functions*/
/**@} end of group BAKPR_Driver*/
/**@} end of group APM32F10x_StdPeriphDriver */
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