206 lines
5.0 KiB
C
206 lines
5.0 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : CH59x_SYS.h
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* Author : WCH
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* Version : V1.2
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* Date : 2021/11/17
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* Description
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH59x_SYS_H__
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#define __CH59x_SYS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief rtc interrupt event define
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*/
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typedef enum
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{
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RST_STATUS_SW = 0, // 软件复位
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RST_STATUS_RPOR, // 上电复位
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RST_STATUS_WTR, // 看门狗超时复位
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RST_STATUS_MR, // 外部手动复位
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RST_STATUS_LRM0, // 唤醒复位-软复位引起
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RST_STATUS_GPWSM, // 下电模式唤醒复位
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RST_STATUS_LRM1, // 唤醒复位-看门狗引起
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RST_STATUS_LRM2, // 唤醒复位-手动复位引起
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} SYS_ResetStaTypeDef;
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/**
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* @brief rtc interrupt event define
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*/
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typedef enum
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{
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INFO_ROM_READ = 0, // FlashROM 代码和数据区 是否可读
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INFO_RESET_EN = 2, // RST#外部手动复位输入功能是否开启
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INFO_BOOT_EN, // 系统引导程序 BootLoader 是否开启
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INFO_DEBUG_EN, // 系统仿真调试接口是否开启
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INFO_LOADER, // 当前系统是否处于Bootloader 区
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STA_SAFEACC_ACT, // 当前系统是否处于安全访问状态，否则RWA属性区域不可访问
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} SYS_InfoStaTypeDef;
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/**
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* @brief 获取芯片ID类，一般为固定值
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*/
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#define SYS_GetChipID() R8_CHIP_ID
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/**
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* @brief 获取安全访问ID，一般为固定值
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*/
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#define SYS_GetAccessID() R8_SAFE_ACCESS_ID
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/**
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* @brief 配置系统运行时钟
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*
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* @param sc - 系统时钟源选择 refer to SYS_CLKTypeDef
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*/
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void SetSysClock(SYS_CLKTypeDef sc);
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/**
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* @brief 获取当前系统时钟
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*
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* @return Hz
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*/
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uint32_t GetSysClock(void);
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/**
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* @brief 获取当前系统信息状态
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*
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* @param i - refer to SYS_InfoStaTypeDef
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*
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* @return 是否开启
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*/
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uint8_t SYS_GetInfoSta(SYS_InfoStaTypeDef i);
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/**
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* @brief 获取系统上次复位状态
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*
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* @return refer to SYS_ResetStaTypeDef
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*/
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#define SYS_GetLastResetSta() (R8_RESET_STATUS & RB_RESET_FLAG)
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/**
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* @brief 执行系统软件复位
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*/
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void SYS_ResetExecute(void);
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/**
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* @brief 设置复位保存寄存器的值，不受手动复位、 软件复位、 看门狗复位或者普通唤醒复位的影响
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*
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* @param i - refer to SYS_InfoStaTypeDef
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*/
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#define SYS_ResetKeepBuf(d) (R8_GLOB_RESET_KEEP = d)
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/**
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* @brief 关闭所有中断，并保留当前中断值
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*
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* @param pirqv - 当前保留中断值
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*/
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void SYS_DisableAllIrq(uint32_t *pirqv);
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/**
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* @brief 恢复之前关闭的中断值
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*
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* @param irq_status - 当前保留中断值
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*/
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void SYS_RecoverIrq(uint32_t irq_status);
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/**
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* @brief 获取当前系统(SYSTICK)计数值
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*
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* @return 当前计数值
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*/
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uint32_t SYS_GetSysTickCnt(void);
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/**
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* @brief 加载看门狗计数初值，递增型
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*
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* @param c - 看门狗计数初值
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*/
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#define WWDG_SetCounter(c) (R8_WDOG_COUNT = c)
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/**
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* @brief 看门狗定时器溢出中断使能
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*
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* @param s - 溢出是否中断
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*/
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void WWDG_ITCfg(FunctionalState s);
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/**
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* @brief 看门狗定时器复位功能
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*
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* @param s - 溢出是否复位
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*/
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void WWDG_ResetCfg(FunctionalState s);
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/**
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* @brief 获取当前看门狗定时器溢出标志
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*
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* @return 看门狗定时器溢出标志
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*/
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#define WWDG_GetFlowFlag() (R8_RST_WDOG_CTRL & RB_WDOG_INT_FLAG)
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/**
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* @brief 清除看门狗中断标志，重新加载计数值也可清除
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*/
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void WWDG_ClearFlag(void);
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/**
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* @brief uS 延时
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*
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* @param t - 时间参数
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*/
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void mDelayuS(uint16_t t);
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/**
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* @brief mS 延时
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*
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* @param t - 时间参数
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*/
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void mDelaymS(uint16_t t);
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extern volatile uint32_t IRQ_STA;
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/**
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* @brief Enter safe access mode.
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*
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* @NOTE: After enter safe access mode, about 16 system frequency cycles
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* are in safe mode, and one or more secure registers can be rewritten
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* within the valid period. The safe mode will be automatically
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* terminated after the above validity period is exceeded.
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*/
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__attribute__((always_inline)) static inline void sys_safe_access_enable(void)
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{
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if(read_csr(0x800)&0x08)
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{
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IRQ_STA = read_csr(0x800);
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write_csr(0x800, (IRQ_STA&(~0x08)));
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}
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SAFEOPERATE;
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
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SAFEOPERATE;
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}
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__attribute__((always_inline)) static inline void sys_safe_access_disable(void)
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{
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R8_SAFE_ACCESS_SIG = 0;
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write_csr(0x800, read_csr(0x800)|(IRQ_STA&0x08));
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IRQ_STA = 0;
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SAFEOPERATE;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif // __CH59x_SYS_H__
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