stc32g128k/App/system.c

#include "system.h"
#include "rgb.h"
#include "ui.h"
#include "clock.h"
#include "../Drivers/lcd.h"
#include "../Drivers/rf.h"
#include "intrins.h"

// <20><><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD> main.c <20>еĵ<D0B5><C4B5><EFBFBD><EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>״̬<D7B4>ݴ<EFBFBD><DDB4><EFBFBD>־
extern volatile u8 p0_wakeup_flag; // P0 <20>˿ڰ<CBBF><DAB0><EFBFBD><EFBFBD>жϻ<D0B6><CFBB>ѱ<EFBFBD>־
extern volatile u8 p2_wakeup_flag; // P2 <20>˿ڰ<CBBF><DAB0><EFBFBD><EFBFBD>жϻ<D0B6><CFBB>ѱ<EFBFBD>־
extern volatile u8 p3_wakeup_flag; // P3 <20>˿<EFBFBD><CBBF><EFBFBD>Ƶ<EFBFBD>жϻ<D0B6><CFBB>ѱ<EFBFBD>־
extern volatile u8 rf_wakeup_flag;   // <20><>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD>жϻ<D0B6><CFBB>ѱ<EFBFBD>־

/**
 * @brief ϵͳ GPIO <EFBFBD>˿ڹ<EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void GPIO_Init(void)
{
    // EAXFR = 1 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><D5B9><EFBFBD>⹦<EFBFBD>ܼĴ<DCBC><C4B4><EFBFBD> (XSFR)
    EAXFR = 1;

    // 1. <20><><EFBFBD><EFBFBD> P0.1 (KEY_UP), P0.2 (KEY_CONFIRM), P0.3 (KEY_DOWN) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ׼˫<D7BC><CBAB><EFBFBD><EFBFBD>ģʽ (M1=0, M0=0)
    P0M1 &= ~0x0E;
    P0M0 &= ~0x0E;
    KEY_UP = 1;
    KEY_CONFIRM = 1;
    KEY_DOWN = 1;

    // 2. <20><><EFBFBD><EFBFBD> P1.3 (BAT_ADC) <20><><EFBFBD>ص<EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ (M1=1, M0=0)
    P1M1 |=  (1 << 3);
    P1M0 &= ~(1 << 3);

    // 3. <20><><EFBFBD><EFBFBD> P5.4 (DET) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ (M1=1, M0=0)
    P5M1 |=  (1 << 4);
    P5M0 &= ~(1 << 4);

    // 4. <20><><EFBFBD><EFBFBD> P2.5 (MOTOR) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ (M1=0, M0=1)
    P2M1 &= ~(1 << 5);
    P2M0 |=  (1 << 5);
    MOTOR = 0;        // Ĭ<>Ͼ<EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

    // 5. <20><><EFBFBD><EFBFBD> P2.6 (KEY_SOS) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȱ<EFBFBD><C8B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ׼˫<D7BC><CBAB><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD> 1 (M1=0, M0=0)
    P2M1 &= ~(1 << 6);
    P2M0 &= ~(1 << 6);
    KEY_SOS = 1;

    // 6. <20><><EFBFBD><EFBFBD> P3.5 (SHUT) <20><>ƵоƬʹ<C6AC><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ (M1=0, M0=1)
    P3M1 &= ~(1 << 5);
    P3M0 |=  (1 << 5);
    SHUT = 1;         // Ĭ<><C4AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD>ܿ<EFBFBD><DCBF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>оƬ<D0BE><C6AC><EFBFBD><EFBFBD>

    // 7. <20><><EFBFBD><EFBFBD> P1.7 (SGM_CTRL / LEDA) Ϊ<><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ (M1=0, M0=1)
    // PMOS <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><C6A3>͵<EFBFBD>ƽ (0) <20><>ͨ<EFBFBD><CDA8><EFBFBD>⣬<EFBFBD>ߵ<EFBFBD>ƽ (1) <20><>ֹϨ<D6B9><CFA8>
    P1M1 &= ~(1 << 7);
    P1M0 |=  (1 << 7);
    SGM_CTRL = 1;     // <20><>ʼ<EFBFBD><CABC>Ϊ<EFBFBD>ߵ<EFBFBD>ƽ (<28>رձ<D8B1><D5B1><EFBFBD>)<29><><EFBFBD><EFBFBD> LCD_Init <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>ɺ<EFBFBD><C9BA><EFBFBD><EFBFBD><EFBFBD>

    // 8. <20><><EFBFBD><EFBFBD> P0.1, P0.2, P0.3 <20><> P2.6 <20><><EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>裬<EFBFBD><E8A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ÿ<EFBFBD><C5B8>ն<EFBFBD><D5B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    P0PU |= 0x0E;     // <20><><EFBFBD><EFBFBD> P0.1/P0.2/P0.3 <20><><EFBFBD><EFBFBD>
    P2PU |= 0x40;     // <20><><EFBFBD><EFBFBD> P2.6 <20><><EFBFBD><EFBFBD>

    // 9. <20><><EFBFBD><EFBFBD> P3.0 (UART1_RXD - <20><><EFBFBD><EFBFBD>) <20><> P3.1 (UART1_TXD - <20><><EFBFBD><EFBFBD>) Ϊ<><CEAA>Ӧģʽ
    P3M1 &= ~((1 << 0) | (1 << 1)); 
    P3M0 &= ~(1 << 0);              // RXD <20><>Ϊ׼˫<D7BC><CBAB>
    P3M0 |=  (1 << 1);              // TXD <20><>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD>뼶<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<EFBFBD><EFBFBD><EFBFBD><EFBFBD> CPU Ƶ<EFBFBD>ʹ<EFBFBD><EFBFBD>㻷·<EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
 * @param ms <EFBFBD>ӳٺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Delay_ms(u16 ms)
{
    u16 i, j;
    for (i = 0; i < ms; i++)
        // 24MHz <20><><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>˫<EFBFBD><CBAB>ѭ<EFBFBD><D1AD>ʵ<EFBFBD><CAB5>Լ 1ms <20>ӳ<EFBFBD>
        for (j = 12000; j > 0; j--);
}

/**
 * @brief <EFBFBD><EFBFBD>ȷ<EFBFBD><EFBFBD> 10 ΢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 8051 ָ<EFBFBD><EFBFBD>ѭ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>)
 */
void Delay10us(void)
{
    unsigned char data i;
    _nop_();
    i = 30; // ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    while (--i);
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ΢<EFBFBD>뼶<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 * @param us <EFBFBD>ӳ<EFBFBD>΢<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Delay_us(u16 us)
{
    u16 i;
    for(i = 0; i < us; i++)
    {
        _nop_(); _nop_(); _nop_(); _nop_();
    }
}

/**
 * @brief <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD> Timer0 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
 */
u16 GetTimer0_Safe(void)
{
    u8 th, tl;
    do {
        th = TH0;
        tl = TL0;
    } while (th != TH0); // <20><><EFBFBD><EFBFBD><EFBFBD>ߵ<EFBFBD><DFB5>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    return ((u16)th << 8) | tl;
}

/**
 * @brief <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD> UART1 (<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1) <EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Uart1_Init(void)
{
    SCON = 0x50;  // 8λ<38><CEBB><EFBFBD><EFBFBD>, <20>ɱ䲨<C9B1><E4B2A8><EFBFBD><EFBFBD>
    T2L = 0xCC;   // 1Tģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 115200 <20><>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>λ (24MHz)
    T2H = 0xFF;   // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>λ
    AUXR |= 0x14; // <20><>ʱ<EFBFBD><CAB1> 2 <20><>Ϊ 1T ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> 2
    AUXR |= 0x01; // <20><><EFBFBD><EFBFBD> 1 ѡ<><D1A1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1> 2 <20><>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>ʷ<EFBFBD><CAB7><EFBFBD><EFBFBD><EFBFBD>
    ES = 1;       // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <20>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Uart_SendByte(u8 dat)
{
    SBUF = dat;
    while (!TI); // <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־<EFBFBD><D6BE>λ
    TI = 0;      // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD>־
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> '' <EFBFBD><EFBFBD>β<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
 */
void Uart_SendString(char *s)
{
    while (*s)
    {
        Uart_SendByte(*s++);
    }
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>
 * @return char <EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>򷵻<EFBFBD> ''
 */
char Uart_RxChar(void)
{
    if (RI)
    {
        char c = SBUF;
        RI = 0;
        return c;
    }
    return '\0';
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 4 λʮ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Uart_SendHex4(u8 val)
{
    val &= 0x0F;
    if (val < 10)
        Uart_SendByte('0' + val);
    else
        Uart_SendByte('A' + (val - 10));
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 8 λʮ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Uart_SendHex8(u8 val)
{
    Uart_SendHex4(val >> 4);
    Uart_SendHex4(val);
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 16 λʮ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Uart_SendHex16(u16 val)
{
    Uart_SendHex8((u8)(val >> 8));
    Uart_SendHex8((u8)val);
}

/**
 * @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1 <EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 32 λʮ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Uart_SendHex32(u32 val)
{
    Uart_SendHex16((u16)(val >> 16));
    Uart_SendHex16((u16)val);
}

/**
 * @brief <EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 20 λ<EFBFBD><EFBFBD>Ƶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַΪ "ADDR: 0xXXXXX" <EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD>
 */
void Format_Hex_Address(u32 val, char *buf)
{
    u8 i;
    buf[0] = 'A'; buf[1] = 'D'; buf[2] = 'D'; buf[3] = 'R'; buf[4] = ':';
    buf[5] = ' '; buf[6] = '0'; buf[7] = 'x';
    for (i = 0; i < 5; i++) {
        u8 nibble = (val >> (4 * (4 - i))) & 0x0F;
        if (nibble < 10)
            buf[8 + i] = '0' + nibble;
        else
            buf[8 + i] = 'A' + (nibble - 10);
    }
    buf[13] = '\0';
}

/**
 * @brief ϵͳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>͹<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (Power-Down) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 */
void Enter_Low_Power_Sleep(void)
{
    Uart_SendString("[SYS] Entering low power sleep...\r\n");

    // 1. <20>ر<EFBFBD>/Ϩ<><CFA8> FCOB <20><><EFBFBD><EFBFBD>
    RGB_Send(0, 0, 0, 0, 0, 0);

    // 2. <20><> LCD <20><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>оƬд<C6AC><D0B4> Display OFF ָ<><D6B8> (0x28)<29><><EFBFBD>رշ<D8B1><D5B7><EFBFBD>
    WriteComm(0x28);
    Delay_ms(20);

    // 3. <20><>ĻоƬд<C6AC><D0B4> Sleep In ָ<><D6B8> (0x10)<29><>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߼<EFBFBD><DFBC><EFBFBD>Ԫͣ<D4AA><CDA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
    WriteComm(0x10);
    Delay_ms(20);

    // 4. PMOS <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD> P1.7 (SGM_CTRL) <20><><EFBFBD>ߵ<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>ֹϨ<D6B9>𱳹⣬<F0B1B3B9>ž<EFBFBD>©<EFBFBD><C2A9>
    SGM_CTRL = 1;

    // 5. <20><><EFBFBD><EFBFBD>Ļ<EFBFBD>ӿڷ<D3BF>©<EFBFBD><C2A9><EFBFBD><EFBFBD><EFBFBD>á<EFBFBD><C3A1><EFBFBD>
    // SCL, SDA <20><><EFBFBD>ͣ<EFBFBD>CS, RST <20><><EFBFBD>ߣ<EFBFBD><DFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>ͨ·<CDA8><C2B7><EFBFBD><EFBFBD>
    LCD_CS = 1;
    LCD_RST = 1;
    LCD_DCX = 0;
    LCD_SCL = 0;
    LCD_SDI = 0;

    // 6. <20><><EFBFBD><EFBFBD>ģʽ<C4A3>¹ر<C2B9><D8B1><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>䣬<EFBFBD><E4A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߽<EFBFBD><DFBD><EFBFBD>״̬ (SHUT=0, RF_RX=1)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>м<EFBFBD><D0BC><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>
    RF_SetMode(0);

    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ SFR <20><><EFBFBD><EFBFBD>Ȩ<EFBFBD><C8A8> (EAXFR = 1)
    P_SW2 |= 0x80;

    // 7. <20><><EFBFBD><EFBFBD> P0.1, P0.2, P0.3 (KEY_UP/CONFIRM/DOWN) <20>˿<EFBFBD><CBBF>½<EFBFBD><C2BD>ص͵<D8B5>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
    P0IM1 |=  0x0E;
    P0IM0 &= ~0x0E;
    P0INTE |= 0x0E; // <20><><EFBFBD><EFBFBD> P0 <20>˿ڵ<CBBF><DAB5>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>

    // 8. <20><><EFBFBD><EFBFBD> P2.6 (KEY_SOS) Ϊ<>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD><EFBFBD>Դ
    P2IM1 |=  0x40;
    P2IM0 &= ~0x40;
    P2INTE |= 0x40; // <20><><EFBFBD><EFBFBD> P2 <20>˿<EFBFBD><CBBF>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>

    // 9. <20><><EFBFBD><EFBFBD> P3.6 (RF_RX_DATA <20>¹ܽ<C2B9>) Ϊ˫<CEAA><CBAB><EFBFBD><EFBFBD><EFBFBD>䴥<EFBFBD><E4B4A5><EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˲<EFBFBD>份<EFBFBD><E4BBBD> MCU
    P3IM1 |=  0x40;
    P3IM0 |=  0x40;
    P3INTE |= 0x40; // <20><><EFBFBD><EFBFBD> P3 <20>˿<EFBFBD><CBBF>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>

    // 10. <20><><EFBFBD><EFBFBD><EFBFBD>绽<EFBFBD>Ѻ<EFBFBD><D1BA><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD><D5B9><EFBFBD>á<EFBFBD><C3A1><EFBFBD>
    P0WKUE |= 0x0E;   // ʹ<><CAB9> P0.1/P0.2/P0.3 <20>ĵ<EFBFBD><C4B5>绽<EFBFBD><E7BBBD>
    P2WKUE |= 0x40;   // ʹ<><CAB9> P2.6 <20>ĵ<EFBFBD><C4B5>绽<EFBFBD><E7BBBD>
    P3WKUE |= 0x40;   // ʹ<><CAB9> P3.6 <20>ĵ<EFBFBD><C4B5>绽<EFBFBD><E7BBBD>
    
    // <20><>©<EFBFBD><C2A9><EFBFBD><EFBFBD><EFBFBD>ơ<EFBFBD><C6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> P2.6 (SOS) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD> P3.6 (RF_RX_DATA) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD>ǿ<EFBFBD><C7BF><EFBFBD><EFBFBD>
    P2PU   |= 0x40;   
    P2IE   |= 0x40;   // ʹ<><CAB9> P2.6 <20>ڲ<EFBFBD>ͨ<EFBFBD><CDA8>
    P3PU   &= ~0x40;  // <20><><EFBFBD><EFBFBD> P3.6 <20><><EFBFBD><EFBFBD>
    P3IE   |= 0x40;   // ǿ<><C7BF>ʹ<EFBFBD><CAB9> P3.6 <20>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD>ȷ<EFBFBD><C8B7><EFBFBD><EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD><EFBFBD>ܱ<EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD>׽

    // 11. <20><><EFBFBD><EFBFBD> P0, P2, P3 <20><>ȫ<EFBFBD><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־<EFBFBD><D6BE><EFBFBD><EFBFBD>ֹ˲<D6B9><CBB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    P0INTF = 0x00;
    P2INTF = 0x00;
    P3INTF = 0x00;

    // <20><><EFBFBD><EFBFBD><EFBFBD>ڴ<EFBFBD><DAB4>ݴ<EFBFBD><DDB4>Ļ<EFBFBD><C4BB><EFBFBD>Դ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD>־
    p0_wakeup_flag = 0;
    p2_wakeup_flag = 0;
    p3_wakeup_flag = 0;
    rf_wakeup_flag = 0;

    // 12. <20>ر<EFBFBD> Timer1 (ϵͳ<CFB5>δ<EFBFBD>) <20>жϡ<D0B6>ȫ<EFBFBD><C8AB><EFBFBD>жϱ<D0B6><CFB1>ֿ<EFBFBD><D6BF><EFBFBD> (EA=1) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>绽<EFBFBD><E7BBBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    ET1 = 0;
    EA = 1;

    // 13. <20><><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ƼĴ<C6BC><C4B4><EFBFBD> PCON д<><D0B4> 0x02<30><32>ʹ MCU <20><><EFBFBD><EFBFBD> Power-Down ģʽ<C4A3><CABD>CPU ֹͣ<CDA3><D6B9>ת
    Uart_SendString("[SYS] Entering Power-Down mode...\r\n");
    PCON |= 0x02;  // <20>趨 PD λ<><CEBB>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߹<EFBFBD><DFB9><EFBFBD>
    
    // <20><><EFBFBD>Ѻ<EFBFBD>ˢ<EFBFBD><CBA2>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ˮ<EFBFBD><CBAE>
    _nop_();
    _nop_();
    _nop_();
    _nop_();

    // 14. <20><><EFBFBD>Ѻ<EFBFBD><D1BA><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD>Ŵӱ<C5B4><D3B1><EFBFBD>ִ<EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD> Wakeup_Restore() <20><><EFBFBD>ѻָ<D1BB><D6B8><EFBFBD><EFBFBD><EFBFBD>
    Wakeup_Restore();
}

/**
 * @brief ϵͳ<EFBFBD><EFBFBD><EFBFBD>жϻ<EFBFBD><EFBFBD>Ѻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>߼<EFBFBD>
 */
void Wakeup_Restore(void)
{
    EAXFR = 1; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>չ<EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>

    // 1. <20><><EFBFBD><EFBFBD><EFBFBD>رջ<D8B1><D5BB><EFBFBD>Դ<EFBFBD>Ͷ˿<CDB6><CBBF>жϣ<D0B6><CFA3><EFBFBD>ֹ<EFBFBD><D6B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>󴥷<EFBFBD>
    P0INTE = 0x00;
    P2INTE = 0x00;
    P3INTE = 0x00;
    P0WKUE = 0x00;   // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>绽<EFBFBD><E7BBBD>Դʹ<D4B4><CAB9>
    P2WKUE = 0x00;   
    P3WKUE = 0x00;   
    P0INTF = 0x00;   // <20><><EFBFBD>ձ<EFBFBD>־λ
    P2INTF = 0x00;
    P3INTF = 0x00;

    // 2. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ר<EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
    WKTCH = 0x00;
    WKTCL = 0x00;

    // 3. <20>ָ<EFBFBD> Timer1 <20><>ʱ<EFBFBD><CAB1><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¿<EFBFBD><C2BF><EFBFBD>ϵͳ<CFB5><CDB3>׼ʱ<D7BC><CAB1><EFBFBD><EFBFBD>ѯ
    EA = 1;
    ET1 = 1;

    // 4. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    RF_SetMode(1);

    // <20><>ӡ<EFBFBD><D3A1>־<EFBFBD><D6BE><EFBFBD><EFBFBD>֪<EFBFBD><D6AA><EFBFBD>Դ<EFBFBD><D4B4>ھ<EFBFBD><DABE><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>Դ
    if ((p0_wakeup_flag & 0x0E) || (p2_wakeup_flag & 0x40))
    {
        Uart_SendString("[WR] Woken by KEY (P0=");
        Uart_SendHex8(p0_wakeup_flag);
        Uart_SendString(", P2=");
        Uart_SendHex8(p2_wakeup_flag);
        Uart_SendString(")\r\n");
    }
    else if ((p3_wakeup_flag & 0x40) || rf_wakeup_flag)
    {
        rf_wakeup_flag = 1; // ȷ<>ϱ<EFBFBD><CFB1><EFBFBD>Ϊ<EFBFBD><CEAA>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
        Uart_SendString("[WR] Woken by RF (P3.6)!\r\n");
    }
    else
    {
        Uart_SendString("[WR] Woken by TIMER/Other\r\n");
    }

    // 5. <20><><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB><EFBFBD>⿪<EFBFBD><E2BFAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>PMOS <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD><C6A3><EFBFBD><EFBFBD><EFBFBD> P1.7 (SGM_CTRL) <20><><EFBFBD>͵<EFBFBD>ƽ<EFBFBD>Ե<EFBFBD><D4B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    SGM_CTRL = 0;

    // 6. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ 200ms <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뱳<EFBFBD><EBB1B3><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܿ<EFBFBD><DCBF><EFBFBD>ӿ
    Delay_ms(200);

    // 7. <20><><EFBFBD>µ<EFBFBD><C2B5><EFBFBD> LCD_Init() <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD>á<EFBFBD>٤<EFBFBD><D9A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EEA3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    LCD_Init();

    // 8. <20><><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD>޲<EFBFBD><DEB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ü<EFBFBD>ʱ<EFBFBD><CAB1>Ϊ<EFBFBD><CEAA>
    inactivity_timer = 0;

    // 9. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬Ϊ<CCAC><CEAA>ͨʱ<CDA8>ӣ<EFBFBD><D3A3><EFBFBD>ǿ<EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD>ʱ<EFBFBD>ӽ<EFBFBD><D3BD>溯<EFBFBD><E6BAAF>ˢ<EFBFBD><CBA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ع<EFBFBD><D8B9><EFBFBD>״̬
    current_state = STATE_NORMAL;
    UI_ShowClockPage(current_state, current_hour, current_min);
    Uart_SendString("[SYS] Wakeup restored!\r\n");
}