pikapython/bsp/ch582/StdPeriphDriver/CH58x_pwr.c

/********************************** (C) COPYRIGHT *******************************
 * File Name          : CH58x_pwr.c
 * Author             : WCH
 * Version            : V1.2
 * Date               : 2021/11/17
 * Description
 * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
 * SPDX-License-Identifier: Apache-2.0
 *******************************************************************************/

#include "CH58x_common.h"

/*********************************************************************
 * @fn      PWR_DCDCCfg
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>DC/DC<EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڽ<EFBFBD>Լϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   s       - <EFBFBD>Ƿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DCDC<EFBFBD><EFBFBD>Դ
 *
 * @return  none
 */
void PWR_DCDCCfg(FunctionalState s)
{
    if(s == DISABLE)
    {
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R16_AUX_POWER_ADJ &= ~RB_DCDC_CHARGE;
        R16_POWER_PLAN &= ~(RB_PWR_DCDC_EN | RB_PWR_DCDC_PRE); // <20><>· DC/DC
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG0;
    }
    else
    {
        __nop();
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R16_AUX_POWER_ADJ |= RB_DCDC_CHARGE;
        R16_POWER_PLAN |= RB_PWR_DCDC_PRE;
        DelayUs(10);
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R16_POWER_PLAN |= RB_PWR_DCDC_EN;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG0;
    }
}

/*********************************************************************
 * @fn      PWR_UnitModCfg
 *
 * @brief   <EFBFBD>ɿص<EFBFBD>Ԫģ<EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   s       - <EFBFBD>Ƿ<EFBFBD><EFBFBD>򿪵<EFBFBD>Դ
 * @param   unit    - please refer to unit of controllable power supply
 *
 * @return  none
 */
void PWR_UnitModCfg(FunctionalState s, uint8_t unit)
{
    if(s == DISABLE) //<2F>ر<EFBFBD>
    {
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_HFCK_PWR_CTRL &= ~(unit & 0x1c);
        R8_CK32K_CONFIG &= ~(unit & 0x03);
    }
    else //<2F><><EFBFBD><EFBFBD>
    {
        __nop();
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_HFCK_PWR_CTRL |= (unit & 0x1c);
        R8_CK32K_CONFIG |= (unit & 0x03);
    }
    R8_SAFE_ACCESS_SIG = 0;
}

/*********************************************************************
 * @fn      PWR_PeriphClkCfg
 *
 * @brief   <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD>λ
 *
 * @param   s       - <EFBFBD>Ƿ<EFBFBD><EFBFBD>򿪶<EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>
 * @param   perph   - please refer to Peripher CLK control bit define
 *
 * @return  none
 */
void PWR_PeriphClkCfg(FunctionalState s, uint16_t perph)
{
    if(s == DISABLE)
    {
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R32_SLEEP_CONTROL |= perph;
    }
    else
    {
        __nop();
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R32_SLEEP_CONTROL &= ~perph;
    }
    R8_SAFE_ACCESS_SIG = 0;
}

/*********************************************************************
 * @fn      PWR_PeriphWakeUpCfg
 *
 * @brief   ˯<EFBFBD>߻<EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   s       - <EFBFBD>Ƿ<EFBFBD><EFBFBD>򿪴<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>߻<EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD>
 * @param   perph   - <EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD>õĻ<EFBFBD><EFBFBD><EFBFBD>Դ
 *                    RB_SLP_USB_WAKE   -  USB Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
 *                    RB_SLP_RTC_WAKE   -  RTC Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
 *                    RB_SLP_GPIO_WAKE  -  GPIO Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
 *                    RB_SLP_BAT_WAKE   -  BAT Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
 * @param   mode    - refer to WakeUP_ModeypeDef
 *
 * @return  none
 */
void PWR_PeriphWakeUpCfg(FunctionalState s, uint8_t perph, WakeUP_ModeypeDef mode)
{
    uint8_t m;

    if(s == DISABLE)
    {
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_SLP_WAKE_CTRL &= ~perph;
    }
    else
    {
        switch(mode)
        {
            case Short_Delay:
                m = 0x01;
                break;

            case Long_Delay:
                m = 0x00;
                break;

            default:
                m = 0x01;
                break;
        }
        __nop();
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_SLP_WAKE_CTRL |= RB_WAKE_EV_MODE | perph;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_SLP_POWER_CTRL &= ~(RB_WAKE_DLY_MOD);
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_SLP_POWER_CTRL |= m;
    }
    R8_SAFE_ACCESS_SIG = 0;
}

/*********************************************************************
 * @fn      PowerMonitor
 *
 * @brief   <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   s       - <EFBFBD>Ƿ<EFBFBD><EFBFBD>򿪴˹<EFBFBD><EFBFBD><EFBFBD>
 * @param   vl      - refer to VolM_LevelypeDef
 *
 * @return  none
 */
void PowerMonitor(FunctionalState s, VolM_LevelypeDef vl)
{
    if(s == DISABLE)
    {
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_BAT_DET_CTRL = 0;
        R8_SAFE_ACCESS_SIG = 0;
    }
    else
    {
        if(vl & 0x80)
        {
            R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
            R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
            SAFEOPERATE;
            R8_BAT_DET_CFG = vl & 0x03;
            R8_BAT_DET_CTRL = RB_BAT_MON_EN | ((vl >> 2) & 1);
        }
        else
        {
            __nop();
            R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
            R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
            SAFEOPERATE;
            R8_BAT_DET_CFG = vl & 0x03;
            R8_BAT_DET_CTRL = RB_BAT_DET_EN;
        }
        R8_SAFE_ACCESS_SIG = 0;
        mDelayuS(1);
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
        R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
        SAFEOPERATE;
        R8_BAT_DET_CTRL |= RB_BAT_LOW_IE | RB_BAT_LOWER_IE;
        R8_SAFE_ACCESS_SIG = 0;
    }
}

/*********************************************************************
 * @fn      LowPower_Idle
 *
 * @brief   <EFBFBD>͹<EFBFBD><EFBFBD><EFBFBD>-Idleģʽ
 *
 * @param   none
 *
 * @return  none
 */
__HIGH_CODE
void LowPower_Idle(void)
{
    FLASH_ROM_SW_RESET();
    R8_FLASH_CTRL = 0x04; //flash<73>ر<EFBFBD>

    PFIC->SCTLR &= ~(1 << 2); // sleep
    __WFI();
    __nop();
    __nop();
}

/*********************************************************************
 * @fn      LowPower_Halt
 *
 * @brief   <EFBFBD>͹<EFBFBD><EFBFBD><EFBFBD>-Haltģʽ<EFBFBD><EFBFBD><EFBFBD>˵͹<EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>HSI/5ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѻ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>û<EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>ϵͳʱ<EFBFBD><EFBFBD>Դ
 *
 * @param   none
 *
 * @return  none
 */
__HIGH_CODE
void LowPower_Halt(void)
{
    uint8_t x32Kpw, x32Mpw;

    FLASH_ROM_SW_RESET();
    R8_FLASH_CTRL = 0x04; //flash<73>ر<EFBFBD>
    x32Kpw = R8_XT32K_TUNE;
    x32Mpw = R8_XT32M_TUNE;
    x32Mpw = (x32Mpw & 0xfc) | 0x03; // 150%<25><EFBFBD><EEB6A8><EFBFBD><EFBFBD>
    if(R16_RTC_CNT_32K > 0x3fff)
    {                                    // <20><><EFBFBD><EFBFBD>500ms
        x32Kpw = (x32Kpw & 0xfc) | 0x01; // LSE<53><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EEB6A8><EFBFBD><EFBFBD>
    }

    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_BAT_DET_CTRL = 0; // <20>رյ<D8B1>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD>
    R8_XT32K_TUNE = x32Kpw;
    R8_XT32M_TUNE = x32Mpw;
    R8_PLL_CONFIG |= (1 << 5);
    R8_SAFE_ACCESS_SIG = 0;

    PFIC->SCTLR |= (1 << 2); //deep sleep
    __WFI();
    __nop();
    __nop();
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_PLL_CONFIG &= ~(1 << 5);
    R8_SAFE_ACCESS_SIG = 0;
}

/*******************************************************************************
* Function Name  : LowPower_Sleep
* Description    : <EFBFBD>͹<EFBFBD><EFBFBD><EFBFBD>-Sleepģʽ<EFBFBD><EFBFBD>
                   ע<EFBFBD>⵱<EFBFBD><EFBFBD>ƵΪ80Mʱ<EFBFBD><EFBFBD>˯<EFBFBD>߻<EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϲ<EFBFBD><EFBFBD>ɵ<EFBFBD><EFBFBD><EFBFBD>flash<EFBFBD>ڴ<EFBFBD><EFBFBD>룬<EFBFBD><EFBFBD><EFBFBD>˳<EFBFBD><EFBFBD>˺<EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><EFBFBD>Ҫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>30us<EFBFBD>ӳ١<EFBFBD>
* Input          : rm:
                    RB_PWR_RAM2K	-	2K retention SRAM <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                    RB_PWR_RAM30K	-	30K main SRAM <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                    RB_PWR_EXTEND	-	USB <EFBFBD><EFBFBD> BLE <EFBFBD><EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򹩵<EFBFBD>
                    RB_PWR_XROM   - FlashROM <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                   NULL	-	<EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>
* Return         : None
*******************************************************************************/
__HIGH_CODE
void LowPower_Sleep(uint8_t rm)
{
    uint8_t  x32Kpw, x32Mpw;
    uint16_t DCDCState;
    x32Kpw = R8_XT32K_TUNE;
    x32Mpw = R8_XT32M_TUNE;
    x32Mpw = (x32Mpw & 0xfc) | 0x03; // 150%<25><EFBFBD><EEB6A8><EFBFBD><EFBFBD>
    if(R16_RTC_CNT_32K > 0x3fff)
    {                                    // <20><><EFBFBD><EFBFBD>500ms
        x32Kpw = (x32Kpw & 0xfc) | 0x01; // LSE<53><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EEB6A8><EFBFBD><EFBFBD>
    }

    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_BAT_DET_CTRL = 0; // <20>رյ<D8B1>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD>
    R8_XT32K_TUNE = x32Kpw;
    R8_XT32M_TUNE = x32Mpw;
    R8_SAFE_ACCESS_SIG = 0;

    PFIC->SCTLR |= (1 << 2); //deep sleep

    DCDCState = R16_POWER_PLAN & (RB_PWR_DCDC_EN | RB_PWR_DCDC_PRE);
    DCDCState |= RB_PWR_PLAN_EN | RB_PWR_MUST_0010 | RB_PWR_CORE | rm;
    __nop();
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_SLP_POWER_CTRL |= RB_RAM_RET_LV;
    R8_PLL_CONFIG |= (1 << 5);
    R16_POWER_PLAN = DCDCState;
    __WFI();
    __nop();
    __nop();
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_PLL_CONFIG &= ~(1 << 5);
    R8_SAFE_ACCESS_SIG = 0;
}

/*********************************************************************
 * @fn      LowPower_Shutdown
 *
 * @brief   <EFBFBD>͹<EFBFBD><EFBFBD><EFBFBD>-Shutdownģʽ<EFBFBD><EFBFBD><EFBFBD>˵͹<EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD>HSI/5ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѻ<EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD>û<EFBFBD><EFBFBD>Լ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>ϵͳʱ<EFBFBD><EFBFBD>Դ
 *          @note ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DCDC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD>ƹرգ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֶ<EFBFBD><EFBFBD>ٴδ<EFBFBD><EFBFBD><EFBFBD>
 *
 * @param   rm      - <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>
 *                    RB_PWR_RAM2K  -   2K retention SRAM <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *                    RB_PWR_RAM16K -   16K main SRAM <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 *                    NULL          -   <EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>Ԫ<EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD>
 *
 * @return  none
 */
__HIGH_CODE
void LowPower_Shutdown(uint8_t rm)
{
    uint8_t x32Kpw, x32Mpw;

    FLASH_ROM_SW_RESET();
    x32Kpw = R8_XT32K_TUNE;
    x32Mpw = R8_XT32M_TUNE;
    x32Mpw = (x32Mpw & 0xfc) | 0x03; // 150%<25><EFBFBD><EEB6A8><EFBFBD><EFBFBD>
    if(R16_RTC_CNT_32K > 0x3fff)
    {                                    // <20><><EFBFBD><EFBFBD>500ms
        x32Kpw = (x32Kpw & 0xfc) | 0x01; // LSE<53><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EEB6A8><EFBFBD><EFBFBD>
    }

    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_BAT_DET_CTRL = 0; // <20>رյ<D8B1>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD>
    R8_XT32K_TUNE = x32Kpw;
    R8_XT32M_TUNE = x32Mpw;
    R8_SAFE_ACCESS_SIG = 0;
    SetSysClock(CLK_SOURCE_HSE_6_4MHz);

    PFIC->SCTLR |= (1 << 2); //deep sleep

    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_SLP_POWER_CTRL |= RB_RAM_RET_LV;
    R16_POWER_PLAN = RB_PWR_PLAN_EN | RB_PWR_MUST_0010 | rm;
    __WFI();
    __nop();
    __nop();
    FLASH_ROM_SW_RESET();
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
    R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
    SAFEOPERATE;
    R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
    R8_SAFE_ACCESS_SIG = 0;
}