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/**
*********************************************************************************
*
* @file ald_bkpc.h
* @brief Header file of BKPC module driver.
*
* @version V1.0
* @date 15 Dec 2019
* @author AE Team
* @note
* Change Logs:
* Date Author Notes
* 15 Dec 2019 AE Team The first version
*
* Copyright (C) Shanghai Eastsoft Microelectronics Co. Ltd. All rights reserved.
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**********************************************************************************
*/
#ifndef __ALD_BKPC_H__
#define __ALD_BKPC_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "utils.h"
/** @addtogroup ES32FXXX_ALD
* @{
*/
/** @addtogroup BKPC
* @{
*/
/** @defgroup BKPC_Public_Macros BKPC Public Macros
* @{
*/
#define BKPC_LOCK() (WRITE_REG(BKPC->PROT, 0U))
#define BKPC_UNLOCK() (WRITE_REG(BKPC->PROT, 0x9669AA55U))
#define BKPC_LRC_ENABLE() \
do { \
BKPC_UNLOCK(); \
SET_BIT(BKPC->CR, BKPC_CR_LRCEN_MSK); \
BKPC_LOCK(); \
} while (0)
#define BKPC_LRC_DISABLE() \
do { \
BKPC_UNLOCK(); \
CLEAR_BIT(BKPC->CR, BKPC_CR_LRCEN_MSK); \
BKPC_LOCK(); \
} while (0)
#define BKPC_LOSM_ENABLE() \
do { \
BKPC_UNLOCK(); \
SET_BIT(BKPC->CR, BKPC_CR_LOSMEN_MSK); \
BKPC_LOCK(); \
} while (0)
#define BKPC_LOSM_DISABLE() \
do { \
BKPC_UNLOCK(); \
CLEAR_BIT(BKPC->CR, BKPC_CR_LOSMEN_MSK);\
BKPC_LOCK(); \
} while (0)
#define BKPC_LOSC_ENABLE() \
do { \
BKPC_UNLOCK(); \
SET_BIT(BKPC->CR, BKPC_CR_LOSCEN_MSK); \
BKPC_LOCK(); \
} while (0)
#define BKPC_LOSC_DISABLE() \
do { \
BKPC_UNLOCK(); \
CLEAR_BIT(BKPC->CR, BKPC_CR_LOSCEN_MSK);\
BKPC_LOCK(); \
} while (0)
#define BKPC_MRST_WAKEUP_ENABLE() \
do { \
BKPC_UNLOCK(); \
SET_BIT(BKPC->CR, BKPC_CR_MRST_WKPEN_MSK); \
BKPC_LOCK(); \
} while (0)
#define BKPC_MRST_WAKEUP_DISABLE() \
do { \
BKPC_UNLOCK(); \
CLEAR_BIT(BKPC->CR, BKPC_CR_MRST_WKPEN_MSK); \
BKPC_LOCK(); \
} while (0)
/**
* @}
*/
/** @defgroup BKPC_Public_Types BKPC Public Types
* @{
*/
/**
* @brief BKPC preipheral clock select.
*/
typedef enum {
BKPC_PREH_CLK_LOSM = 0x0U, /**< LOSM */
BKPC_PREH_CLK_LRC = 0x1U, /**< LRC */
BKPC_PREH_CLK_HRC_1M = 0x2U, /**< HRC down to 1MHz */
BKPC_PREH_CLK_HOSC_1M = 0x3U, /**< HOSC down to 1MHz */
} bkpc_preh_clk_t;
/**
* @brief Standby wakeup port select
*/
typedef enum {
PMU_STANDBY_PORT_SEL_PA0 = 0x0U, /**< Wakeup by PA0 */
PMU_STANDBY_PORT_SEL_PA1 = 0x1U, /**< Wakeup by PA1 */
PMU_STANDBY_PORT_SEL_PA2 = 0x2U, /**< Wakeup by PA2 */
PMU_STANDBY_PORT_SEL_PA3 = 0x3U, /**< Wakeup by PA3 */
PMU_STANDBY_PORT_SEL_PA4 = 0x4U, /**< Wakeup by PA4 */
PMU_STANDBY_PORT_SEL_PA5 = 0x5U, /**< Wakeup by PA5 */
PMU_STANDBY_PORT_SEL_PA6 = 0x6U, /**< Wakeup by PA6 */
PMU_STANDBY_PORT_SEL_PA7 = 0x7U, /**< Wakeup by PA7 */
PMU_STANDBY_PORT_SEL_NONE = 0xFU, /**< Wakeup by other source */
} bkpc_wakeup_port_t;
/**
* @brief Standby wakeup level
*/
typedef enum {
PMU_STANDBY_LEVEL_HIGH = 0x0U, /**< High level */
PMU_STANDBY_LEVEL_LOW = 0x1U, /**< Low level */
} bkpc_wakeup_level_t;
/**
* @}
*/
/**
* @defgroup BKPC_Private_Macros BKPC Private Macros
* @{
*/
#define IS_BKPC_WAKEUP_PORT(x) (((x) == PMU_STANDBY_PORT_SEL_PA0) || \
((x) == PMU_STANDBY_PORT_SEL_PA1) || \
((x) == PMU_STANDBY_PORT_SEL_PA2) || \
((x) == PMU_STANDBY_PORT_SEL_PA3) || \
((x) == PMU_STANDBY_PORT_SEL_PA4) || \
((x) == PMU_STANDBY_PORT_SEL_PA5) || \
((x) == PMU_STANDBY_PORT_SEL_PA6) || \
((x) == PMU_STANDBY_PORT_SEL_PA7) || \
((x) == PMU_STANDBY_PORT_SEL_NONE))
#define IS_BKPC_WAKEUP_LEVEL(x) (((x) == PMU_STANDBY_LEVEL_HIGH) || \
((x) == PMU_STANDBY_LEVEL_LOW))
#define IS_BKPC_PREH_CLOCK(x) (((x) == BKPC_PREH_CLK_LOSM) || \
((x) == BKPC_PREH_CLK_LRC) || \
((x) == BKPC_PREH_CLK_HRC_1M) || \
((x) == BKPC_PREH_CLK_HOSC_1M))
#define IS_BKPC_RAM_IDX(x) ((x) < 32)
/**
* @}
*/
/** @addtogroup BKPC_Public_Functions
* @{
*/
/** @addtogroup BKPC_Public_Functions_Group1
* @{
*/
/* control functions */
extern void ald_bkpc_standby_wakeup_config(bkpc_wakeup_port_t port, bkpc_wakeup_level_t level);
extern void ald_bkpc_rtc_clock_config(bkpc_preh_clk_t clock);
extern void ald_bkpc_tsense_clock_config(bkpc_preh_clk_t clock);
/**
* @}
*/
/** @addtogroup BKPC_Public_Functions_Group2
* @{
*/
/* IO operation functions */
extern void ald_bkpc_write_ram(uint8_t idx, uint32_t value);
extern uint32_t ald_bkpc_read_ram(uint8_t idx);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __ALD_BKPC_H__ */
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