BLE_DCF_TYQ_CH592F/StdPeriphDriver/CH59x_sys.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : CH59x_SYS.c
 * Author             : WCH
 * Version            : V1.2
 * Date               : 2021/11/17
 * Description
 *********************************************************************************
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * Attention: This software (modified or not) and binary are used for
 * microcontroller manufactured by Nanjing Qinheng Microelectronics.
 *******************************************************************************/

#include "CH59x_common.h"

/*********************************************************************
 * @fn      SetSysClock
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
 *
 * @param   sc      - ϵͳʱ<EFBFBD><EFBFBD>Դѡ<EFBFBD><EFBFBD> refer to SYS_CLKTypeDef
 *
 * @return  none
 */
__HIGH_CODE
void SetSysClock(SYS_CLKTypeDef sc)
{
    sys_safe_access_enable();
    R8_PLL_CONFIG &= ~(1 << 5); //
    sys_safe_access_disable();
    if (sc & 0x20) // HSE div
    {
        sys_safe_access_enable();
        R32_CLK_SYS_CFG = (0 << 6) | (sc & 0x1f) | RB_TX_32M_PWR_EN | RB_PLL_PWR_EN;
        __nop();
        __nop();
        __nop();
        __nop();
        sys_safe_access_disable();
        sys_safe_access_enable();
        SAFEOPERATE;
        R8_FLASH_CFG = 0X51;
        sys_safe_access_disable();
    }

    else if (sc & 0x40) // PLL div
    {
        sys_safe_access_enable();
        R32_CLK_SYS_CFG = (1 << 6) | (sc & 0x1f) | RB_TX_32M_PWR_EN | RB_PLL_PWR_EN;
        __nop();
        __nop();
        __nop();
        __nop();
        sys_safe_access_disable();
        sys_safe_access_enable();
        R8_FLASH_CFG = 0X52;
        sys_safe_access_disable();
    }
    else
    {
        sys_safe_access_enable();
        R32_CLK_SYS_CFG |= RB_CLK_SYS_MOD;
        sys_safe_access_disable();
    }
    // <20><><EFBFBD><EFBFBD>FLASH clk<6C><6B><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    sys_safe_access_enable();
    R8_PLL_CONFIG |= 1 << 7;
    sys_safe_access_disable();
}

/*********************************************************************
 * @fn      GetSysClock
 *
 * @brief   <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰϵͳʱ<EFBFBD><EFBFBD>
 *
 * @param   none
 *
 * @return  Hz
 */
uint32_t GetSysClock(void)
{
    uint16_t rev;

    rev = R32_CLK_SYS_CFG & 0xff;
    if ((rev & 0x40) == (0 << 6))
    { // 32M<32><4D><EFBFBD>з<EFBFBD>Ƶ
        return (32000000 / (rev & 0x1f));
    }
    else if ((rev & RB_CLK_SYS_MOD) == (1 << 6))
    { // PLL<4C><4C><EFBFBD>з<EFBFBD>Ƶ
        return (480000000 / (rev & 0x1f));
    }
    else
    { // 32K<32><4B><EFBFBD><EFBFBD>Ƶ
        return (32000);
    }
}

/*********************************************************************
 * @fn      SYS_GetInfoSta
 *
 * @brief   <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰϵͳ<EFBFBD><EFBFBD>Ϣ״̬
 *
 * @param   i       - refer to SYS_InfoStaTypeDef
 *
 * @return  <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
uint8_t SYS_GetInfoSta(SYS_InfoStaTypeDef i)
{
    if (i == STA_SAFEACC_ACT)
    {
        return (R8_SAFE_ACCESS_SIG & RB_SAFE_ACC_ACT);
    }
    else
    {
        return (R8_GLOB_CFG_INFO & (1 << i));
    }
}

/*********************************************************************
 * @fn      SYS_ResetExecute
 *
 * @brief   ִ<EFBFBD><EFBFBD>ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
 *
 * @param   none
 *
 * @return  none
 */
__HIGH_CODE
void SYS_ResetExecute(void)
{
    FLASH_ROM_SW_RESET();
    sys_safe_access_enable();
    R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
    sys_safe_access_disable();
}

/*********************************************************************
 * @fn      SYS_DisableAllIrq
 *
 * @brief   <EFBFBD>ر<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD>ж<EFBFBD>ֵ
 *
 * @param   pirqv   - <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ֵ
 *
 * @return  none
 */
void SYS_DisableAllIrq(uint32_t *pirqv)
{
    *pirqv        = (PFIC->ISR[0] >> 8) | (PFIC->ISR[1] << 24);
    PFIC->IRER[0] = 0xffffffff;
    PFIC->IRER[1] = 0xffffffff;
}

/*********************************************************************
 * @fn      SYS_RecoverIrq
 *
 * @brief   <EFBFBD>ָ<EFBFBD>֮ǰ<EFBFBD>رյ<EFBFBD><EFBFBD>ж<EFBFBD>ֵ
 *
 * @param   irq_status  - <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ֵ
 *
 * @return  none
 */
void SYS_RecoverIrq(uint32_t irq_status)
{
    PFIC->IENR[0] = (irq_status << 8);
    PFIC->IENR[1] = (irq_status >> 24);
}

/*********************************************************************
 * @fn      SYS_GetSysTickCnt
 *
 * @brief   <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ǰϵͳ(SYSTICK)<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 *
 * @param   none
 *
 * @return  <EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 */
uint32_t SYS_GetSysTickCnt(void)
{
    uint32_t val;

    val = SysTick->CNT;
    return (val);
}

/*********************************************************************
 * @fn      WWDG_ITCfg
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ʹ<EFBFBD><EFBFBD>
 *
 * @param   s       - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD>ж<EFBFBD>
 *
 * @return  none
 */
void WWDG_ITCfg(FunctionalState s)
{
    uint8_t ctrl = R8_RST_WDOG_CTRL;

    if (s == DISABLE)
    {
        ctrl &= ~RB_WDOG_INT_EN;
    }
    else
    {
        ctrl |= RB_WDOG_INT_EN;
    }

    sys_safe_access_enable();
    R8_RST_WDOG_CTRL = ctrl;
    sys_safe_access_disable();
}

/*********************************************************************
 * @fn      WWDG_ResetCfg
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   s       - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD>λ
 *
 * @return  none
 */
void WWDG_ResetCfg(FunctionalState s)
{
    uint8_t ctrl = R8_RST_WDOG_CTRL;

    if (s == DISABLE)
    {
        ctrl &= ~RB_WDOG_RST_EN;
    }
    else
    {
        ctrl |= RB_WDOG_RST_EN;
    }

    sys_safe_access_enable();
    R8_RST_WDOG_CTRL = ctrl;
    sys_safe_access_disable();
}

/*********************************************************************
 * @fn      WWDG_ClearFlag
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ź<EFBFBD><EFBFBD>жϱ<EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><EFBFBD>ؼ<EFBFBD><EFBFBD><EFBFBD>ֵҲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   none
 *
 * @return  none
 */
void WWDG_ClearFlag(void)
{
    sys_safe_access_enable();
    R8_RST_WDOG_CTRL |= RB_WDOG_INT_FLAG;
    sys_safe_access_disable();
}

/*********************************************************************
 * @fn      HardFault_Handler
 *
 * @brief   Ӳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD>и<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ϵ縴λ
 *
 * @param   none
 *
 * @return  none
 */
__INTERRUPT
__HIGH_CODE
__attribute__((weak)) void HardFault_Handler(void)
{
    // https://www.cnblogs.com/gscw/p/18159920
    // <20><><EFBFBD>غ<EFBFBD><D8BA><EFBFBD><EFBFBD><EFBFBD> PC ָ<><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱʹ<CAB1>á<EFBFBD><C3A1><EFBFBD><EFBFBD>غ<EFBFBD><D8BA><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>壬<EFBFBD><E5A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӡֵΪ<D6B5>գ<EFBFBD><D5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    struct __MEMORY_CTL
    {
        struct __MEMORY_CTL *pNext;
        uint16_t len;
        uint16_t used;
    };
    typedef struct __MEMORY_CTL MemoryCtl;

    extern MemoryCtl *MemCtlStart;
    extern MemoryCtl *MemCtlEnd;
    MemoryCtl *MemHead;
    MemHead = MemCtlStart;
    while (MemHead != MemCtlEnd)
    {
        printf("|%8x,%8x,%8d.....\n", MemHead->used, (uint32_t)MemHead,
               (uint32_t)(MemHead->pNext) - (uint32_t)MemHead - sizeof(struct __MEMORY_CTL));
        MemHead = MemHead->pNext;
    }
    printf("\n");

    uint32_t v_mepc, v_mcause, v_mtval;
    printf("hardfault\n");

    v_mepc   = __get_MEPC();
    v_mcause = __get_MCAUSE();
    v_mtval  = __get_MTVAL();

    printf("mepc:%08x\n", v_mepc);
    printf("mcause:%08x\n", v_mcause);
    printf("mtval:%08x\n", v_mtval);
#if 0
    FLASH_ROM_SW_RESET();
    sys_safe_access_enable();
    R16_INT32K_TUNE = 0xFFFF;
    sys_safe_access_disable();
    sys_safe_access_enable();
    R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
    sys_safe_access_disable();
#endif
    while (1);
}

/*********************************************************************
 * @fn      mDelayuS
 *
 * @brief   uS <EFBFBD><EFBFBD>ʱ
 *
 * @param   t       - ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @return  none
 */
__HIGH_CODE
void mDelayuS(uint16_t t)
{
    uint32_t i;
#if (FREQ_SYS == 80000000)
    i = t * 20;
#elif (FREQ_SYS == 60000000)
    i = t * 15;
#elif (FREQ_SYS == 48000000)
    i = t * 12;
#elif (FREQ_SYS == 40000000)
    i = t * 10;
#elif (FREQ_SYS == 32000000)
    i = t << 3;
#elif (FREQ_SYS == 24000000)
    i = t * 6;
#elif (FREQ_SYS == 16000000)
    i = t << 2;
#elif (FREQ_SYS == 8000000)
    i = t << 1;
#elif (FREQ_SYS == 4000000)
    i = t;
#elif (FREQ_SYS == 2000000)
    i = t >> 1;
#elif (FREQ_SYS == 1000000)
    i = t >> 2;
#else
    i = t << 1;
#endif
    do
    {
        __nop();
    } while (--i);
}

/*********************************************************************
 * @fn      mDelaymS
 *
 * @brief   mS <EFBFBD><EFBFBD>ʱ
 *
 * @param   t       - ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @return  none
 */
__HIGH_CODE
void mDelaymS(uint16_t t)
{
    uint16_t i;

    for (i = 0; i < t; i++)
    {
        mDelayuS(1000);
    }
}

#ifdef DEBUG
int _write(int fd, char *buf, int size)
{
    int i;
    for (i = 0; i < size; i++)
    {
#if DEBUG == Debug_UART0
        while (R8_UART0_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
        R8_UART0_THR = *buf++;                  /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#elif DEBUG == Debug_UART1
        while (R8_UART1_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
        R8_UART1_THR = *buf++;                  /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#elif DEBUG == Debug_UART2
        while (R8_UART2_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
        R8_UART2_THR = *buf++;                  /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#elif DEBUG == Debug_UART3
        while (R8_UART3_TFC == UART_FIFO_SIZE); /* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD>ݷ<EFBFBD><DDB7><EFBFBD> */
        R8_UART3_THR = *buf++;                  /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
#endif
    }
    return size;
}

#endif

// // https://www.cnblogs.com/debugdabiaoge/p/18543792
// __HIGH_CODE
// void *__wrap_memcpy(void *dst ,void *src, size_t size)
// {
//     __MCPY(dst, src, (void *)((uint32_t)src+size));
//     return dst;
// }

/*********************************************************************
 * @fn      _sbrk
 *
 * @brief   Change the spatial position of data segment.
 *
 * @return  size: Data length
 */
__attribute__((used)) void *_sbrk(ptrdiff_t incr)
{
    extern char _end[];
    extern char _heap_end[];
    static char *curbrk = _end;

    if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
        return NULL - 1;

    curbrk += incr;
    return curbrk - incr;
}