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/**
**************************************************************************
* @file at32f413_bpr.c
* @version v2.0.5
* @date 2022-05-20
* @brief contains all the functions for the bpr firmware library
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "at32f413_conf.h"
/** @addtogroup AT32F413_periph_driver
* @{
*/
/** @defgroup BPR
* @brief BPR driver modules
* @{
*/
#ifdef BPR_MODULE_ENABLED
/** @defgroup BPR_private_functions
* @{
*/
/**
* @brief bpr reset by crm reset register
* @param none
* @retval none
*/
void bpr_reset(void)
{
crm_battery_powered_domain_reset(TRUE);
crm_battery_powered_domain_reset(FALSE);
}
/**
* @brief bpr event flag get, for tamper event flag
* @param flag: specifies the flag to check.
* this parameter can be one of the following values:
* - BPR_TAMPER_INTERRUPT_FLAG: tamper interrupt flag
* - BPR_TAMPER_EVENT_FLAG: tamper event flag
* @retval state of tamper event flag
*/
flag_status bpr_flag_get(uint32_t flag)
{
if(flag == BPR_TAMPER_INTERRUPT_FLAG)
{
return (flag_status)(BPR->ctrlsts_bit.tpif);
}
else
{
return (flag_status)(BPR->ctrlsts_bit.tpef);
}
}
/**
* @brief clear bpr tamper flag
* @param flag: specifies the flag to clear.
* this parameter can be one of the following values:
* - BPR_TAMPER_INTERRUPT_FLAG: tamper interrupt flag
* - BPR_TAMPER_EVENT_FLAG: tamper event flag
* @retval none
*/
void bpr_flag_clear(uint32_t flag)
{
if(flag == BPR_TAMPER_INTERRUPT_FLAG)
{
BPR->ctrlsts_bit.tpifclr = TRUE;
}
else
{
BPR->ctrlsts_bit.tpefclr = TRUE;
}
}
/**
* @brief enable or disable bpr tamper interrupt
* @param new_state (TRUE or FALSE)
* @retval none
*/
void bpr_interrupt_enable(confirm_state new_state)
{
BPR->ctrlsts_bit.tpien = new_state;
}
/**
* @brief read bpr bpr data
* @param bpr_data
* this parameter can be one of the following values:
* - BPR_DATA1
* - BPR_DATA2
* ...
* - BPR_DATA41
* - BPR_DATA42
* @retval none
*/
uint16_t bpr_data_read(bpr_data_type bpr_data)
{
return (*(__IO uint16_t *)(BPR_BASE + bpr_data));
}
/**
* @brief write bpr data
* @param bpr_data
* this parameter can be one of the following values:
* - BPR_DATA1
* - BPR_DATA2
* ...
* - BPR_DATA41
* - BPR_DATA42
* @param data_value (0x0000~0xFFFF)
* @retval none
*/
void bpr_data_write(bpr_data_type bpr_data, uint16_t data_value)
{
(*(__IO uint32_t *)(BPR_BASE + bpr_data)) = data_value;
}
/**
* @brief select bpr rtc output
* @param output_source
* this parameter can be one of the following values:
* - BPR_RTC_OUTPUT_NONE: output disable.
* - BPR_RTC_OUTPUT_CLOCK_CAL_BEFORE: output clock before calibration.
* - BPR_RTC_OUTPUT_ALARM: output alarm event with pluse mode.
* - BPR_RTC_OUTPUT_SECOND: output second event with pluse mode.
* - BPR_RTC_OUTPUT_CLOCK_CAL_AFTER: output clock after calibration.
* - BPR_RTC_OUTPUT_ALARM_TOGGLE: output alarm event with toggle mode.
* - BPR_RTC_OUTPUT_SECOND_TOGGLE: output second event with toggle mode.
* @retval none
*/
void bpr_rtc_output_select(bpr_rtc_output_type output_source)
{
/* clear cco,asoe,asos,ccos,togen bits */
BPR->rtccal &= (uint32_t)~0x0F80;
/* set output_source value */
BPR->rtccal |= output_source;
}
/**
* @brief set rtc clock calibration value
* @param calibration_value (0x00~0x7f)
* @retval none
*/
void bpr_rtc_clock_calibration_value_set(uint8_t calibration_value)
{
/* set rtc clock calibration value */
BPR->rtccal_bit.calval= calibration_value;
}
/**
* @brief enable or disable bpr tamper pin
* @param new_state (TRUE or FALSE)
* @retval none
*/
void bpr_tamper_pin_enable(confirm_state new_state)
{
BPR->ctrl_bit.tpen = new_state;
}
/**
* @brief set bpr tamper pin active level
* @param active_level
* this parameter can be one of the following values:
* - BPR_TAMPER_PIN_ACTIVE_HIGH: tamper pin input active level is high.
* - BPR_TAMPER_PIN_ACTIVE_LOW: tamper pin input active level is low.
* @retval none
*/
void bpr_tamper_pin_active_level_set(bpr_tamper_pin_active_level_type active_level)
{
BPR->ctrl_bit.tpp = active_level;
}
/**
* @}
*/
#endif
/**
* @}
*/
/**
* @}
*/
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