97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
|
/********************************** (C) COPYRIGHT *******************************
|
||
|
|
* File Name : ch32v20x_rtc.h
|
||
|
|
* Author : WCH
|
||
|
|
* Version : V1.0.0
|
||
|
|
* Date : 2021/06/06
|
||
|
|
* Description : This file contains all the functions prototypes for the RTC
|
||
|
|
* firmware library.
|
||
|
|
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*******************************************************************************/
|
||
|
|
#ifndef __CH32V20x_RTC_H
|
||
|
|
#define __CH32V20x_RTC_H
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include "ch32v20x.h"
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
Level_32 = 2,
|
||
|
|
Level_64,
|
||
|
|
Level_128,
|
||
|
|
|
||
|
|
} Cali_LevelTypeDef;
|
||
|
|
|
||
|
|
/* RTC_interrupts_define */
|
||
|
|
#define RTC_IT_OW ((uint16_t)0x0004) /* Overflow interrupt */
|
||
|
|
#define RTC_IT_ALR ((uint16_t)0x0002) /* Alarm interrupt */
|
||
|
|
#define RTC_IT_SEC ((uint16_t)0x0001) /* Second interrupt */
|
||
|
|
|
||
|
|
/* RTC_interrupts_flags */
|
||
|
|
#define RTC_FLAG_RTOFF ((uint16_t)0x0020) /* RTC Operation OFF flag */
|
||
|
|
#define RTC_FLAG_RSF ((uint16_t)0x0008) /* Registers Synchronized flag */
|
||
|
|
#define RTC_FLAG_OW ((uint16_t)0x0004) /* Overflow flag */
|
||
|
|
#define RTC_FLAG_ALR ((uint16_t)0x0002) /* Alarm flag */
|
||
|
|
#define RTC_FLAG_SEC ((uint16_t)0x0001) /* Second flag */
|
||
|
|
|
||
|
|
#if defined(CH32V20x_D8) || defined(CH32V20x_D8W)
|
||
|
|
#define RB_OSC32K_HTUNE (0x1FE0)
|
||
|
|
#define RB_OSC32K_LTUNE (0x1F)
|
||
|
|
|
||
|
|
#define RB_OSC_CAL_HALT (0x80)
|
||
|
|
#define RB_OSC_CAL_EN (0x02)
|
||
|
|
#define RB_OSC_CAL_INT_EN (0x01)
|
||
|
|
|
||
|
|
#define RB_OSC_CAL_OV_CNT (0xFF)
|
||
|
|
|
||
|
|
#define RB_OSC_CAL_IF_END (1 << 15)
|
||
|
|
#define RB_OSC_CAL_CNT_OV (1 << 14)
|
||
|
|
#define RB_OSC_CAL_CNT (0x3FFF)
|
||
|
|
|
||
|
|
#define RB_CAL_LP_EN (1 << 6)
|
||
|
|
#define RB_CAL_WKUP_EN (1 << 5)
|
||
|
|
#define RB_OSC_HALT_MD (1 << 4)
|
||
|
|
#define RB_OSC_CNT_VLU (0x0F)
|
||
|
|
|
||
|
|
|
||
|
|
#ifdef CLK_OSC32K
|
||
|
|
#if ( CLK_OSC32K == 1 )
|
||
|
|
#define CAB_LSIFQ 32000
|
||
|
|
#else
|
||
|
|
#define CAB_LSIFQ 32768
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
#define CAB_LSIFQ 32000
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
void RTC_ITConfig(uint16_t RTC_IT, FunctionalState NewState);
|
||
|
|
void RTC_EnterConfigMode(void);
|
||
|
|
void RTC_ExitConfigMode(void);
|
||
|
|
uint32_t RTC_GetCounter(void);
|
||
|
|
void RTC_SetCounter(uint32_t CounterValue);
|
||
|
|
void RTC_SetPrescaler(uint32_t PrescalerValue);
|
||
|
|
void RTC_SetAlarm(uint32_t AlarmValue);
|
||
|
|
uint32_t RTC_GetDivider(void);
|
||
|
|
void RTC_WaitForLastTask(void);
|
||
|
|
void RTC_WaitForSynchro(void);
|
||
|
|
FlagStatus RTC_GetFlagStatus(uint16_t RTC_FLAG);
|
||
|
|
void RTC_ClearFlag(uint16_t RTC_FLAG);
|
||
|
|
ITStatus RTC_GetITStatus(uint16_t RTC_IT);
|
||
|
|
void RTC_ClearITPendingBit(uint16_t RTC_IT);
|
||
|
|
|
||
|
|
#if defined(CH32V20x_D8) || defined(CH32V20x_D8W)
|
||
|
|
void Calibration_LSI(Cali_LevelTypeDef cali_Lv);
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|