CHJ/user/Device/key_power.c

#include "../main/SystemInclude.h"

// ȫ<>ֱ<EFBFBD><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̬<EFBFBD><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>ʣ<EFBFBD>
Device_StateTypeDef g_device_state = DEVICE_STATE_OFF;  // <20><>ʼ״̬<D7B4><CCAC><EFBFBD>ػ<EFBFBD>
uint32_t g_key_press_time = 0;                          // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ۼ<EFBFBD>ʱ<EFBFBD>䣨<EFBFBD><E4A3A8>λ<EFBFBD><CEBB>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD>
uint8_t g_key_last_state = 0;                           // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>״̬<D7B4><CCAC>0=δ<><CEB4><EFBFBD>£<EFBFBD>1=<3D><><EFBFBD>£<EFBFBD>

extern bool g_SystemStartupComplete;

// <20><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>±<EFBFBD>־λ
volatile uint8_t key_press_flag = 0;

// 1 = <20><>ʱ<EFBFBD><CAB1>ʱ<EFBFBD>䵽<EFBFBD><E4B5BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ػ<EFBFBD><D8BB><EFBFBD>0 = <20>޹ػ<DEB9><D8BB><EFBFBD><EFBFBD><EFBFBD>
volatile uint8_t g_auto_shutdown_flag = 0; 

// <20><><EFBFBD>ų<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>PA0<41><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룩<EFBFBD><EBA3A9>PA1<41><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void Key_Power_Init(void) 
{
    GPIO_InitTypeDef GPIO_InitStruct;

    // PA0<41><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>루<EFBFBD><EBA3A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣩
	GPIO_InitStruct.Pin = KEY1_PIN;               
	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
	GPIO_InitStruct.Current = GPIO_CURRENT_2mA;
	GPIO_InitStruct.Pull = GPIO_PULLDOWN;
	GPIO_InitStruct.SchmittTrigger = ENABLE;
	GPIO_InitStruct.Alternate = GPIOx_AF_GPIO;         // // AFΪ<46><CEAA>ͨIO
	LHL_GPIO_Init(KEY1_PORT, &GPIO_InitStruct);  
    
    // PA1<41><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ƣ<EFBFBD>
	GPIO_InitStruct.Pin = POWER_CTRL_PIN;               
	GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
	GPIO_InitStruct.Current = GPIO_CURRENT_2mA;
	GPIO_InitStruct.Pull = GPIO_NOPULL;
	GPIO_InitStruct.SchmittTrigger = ENABLE;
	GPIO_InitStruct.Alternate = GPIOx_AF_GPIO;         // // AFΪ<46><CEAA>ͨIO
	LHL_GPIO_Init(POWER_CTRL_PORT, &GPIO_InitStruct); 
        
    // <20><>ʼ״̬<D7B4><CCAC><EFBFBD>ػ<EFBFBD><D8BB><EFBFBD>PA1<41><31><EFBFBD>ͣ<EFBFBD><CDA3>ر<EFBFBD><D8B1>ⲿ<EFBFBD><E2B2BF>Դ<EFBFBD><D4B4>
    LHL_GPIO_WritePin(POWER_CTRL_PORT, POWER_CTRL_PIN, GPIO_PIN_RESET);
    g_device_state = DEVICE_STATE_OFF;
	
	// <20><>λ<EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ţ<EFBFBD><C5A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	GPIO_InitStruct.Pin = UnitKEY_PIN;               
	GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
	GPIO_InitStruct.Current = GPIO_CURRENT_2mA;
	GPIO_InitStruct.Pull = GPIO_PULLUP;
	GPIO_InitStruct.SchmittTrigger = ENABLE;
	GPIO_InitStruct.Alternate = GPIOx_AF_GPIO;         // // AFΪ<46><CEAA>ͨIO
	LHL_GPIO_Init(UnitKEY_PORT, &GPIO_InitStruct); 
	
	
}

// <20>豸<EFBFBD><E8B1B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
static void Device_Start(void) {
    LHL_GPIO_WritePin(POWER_CTRL_PORT, POWER_CTRL_PIN,GPIO_PIN_SET);  // PA1<41><31><EFBFBD>ߡ<EFBFBD><DFA1>ⲿ<EFBFBD><E2B2BF>Դ<EFBFBD><D4B4><EFBFBD><EFBFBD>
    delay_ms(100);  // <20>ȴ<EFBFBD><C8B4><EFBFBD>Դ<EFBFBD>ȶ<EFBFBD>
    g_device_state = DEVICE_STATE_ON;
    g_key_press_time = 0;  // <20><><EFBFBD>ð<EFBFBD><C3B0><EFBFBD><EFBFBD><EFBFBD>ʱ
	
	g_auto_shutdown_flag = 0; 
}

// <20>豸<EFBFBD>ػ<EFBFBD><D8BB><EFBFBD><EFBFBD><EFBFBD>
static void Device_Shutdown(void) {
    LHL_GPIO_WritePin(POWER_CTRL_PORT, POWER_CTRL_PIN,GPIO_PIN_RESET);  // PA1<41><31><EFBFBD>͡<EFBFBD><CDA1>ⲿ<EFBFBD><E2B2BF>Դ<EFBFBD>ر<EFBFBD>
    delay_ms(100);  // <20>ȴ<EFBFBD><C8B4><EFBFBD>Դ<EFBFBD><D4B4>ȫ<EFBFBD>ر<EFBFBD>
    g_device_state = DEVICE_STATE_OFF;
    g_key_press_time = 0;
}

// <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD>־λ<D6BE><CEBB><EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD>Ƿ<EFBFBD><C7B7>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD>
static bool g_key_long_pressed_flag = false;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
static uint16_t g_key_debounce_count = 0;

void Key_Scan_Task(void) {
    // 1. <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD>״̬
    uint8_t key_current_state = LHL_GPIO_ReadPin(KEY1_PORT, KEY1_PIN);

    // 2. <20>򵥵<EFBFBD><F2B5A5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>״̬<D7B4><CCAC><EFBFBD>ϴ<EFBFBD>һ<EFBFBD><D2BB>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><D3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    if (key_current_state == g_key_last_state) {
        if (g_key_debounce_count < 65535) g_key_debounce_count++;
    } else {
        g_key_debounce_count = 0;
        g_key_last_state = key_current_state; // <20><><EFBFBD><EFBFBD>״̬<D7B4>Ա<EFBFBD><D4B1><EFBFBD>һ<EFBFBD>αȽ<CEB1>
    }

    // 3. ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ﵽ<EFBFBD><EFB5BD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>5<EFBFBD>Σ<EFBFBD><CEA3><EFBFBD>50ms<6D><73><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ״̬<D7B4><CCAC>Ч
    if (g_key_debounce_count < 2) {
        return;
    }
	
	    // <20><><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD><E8B1B8><EFBFBD>ڿ<EFBFBD><DABF><EFBFBD>״̬<D7B4><CCAC><EFBFBD>Ҽ<EFBFBD><D2BC>⵽<EFBFBD>Զ<EFBFBD><D4B6>ػ<EFBFBD><D8BB><EFBFBD>־<EFBFBD><D6BE><EFBFBD><EFBFBD> 1
    if (g_device_state == DEVICE_STATE_ON) {
        if (g_auto_shutdown_flag == 1) {
            Device_Shutdown();       // ִ<>йػ<D0B9>
            g_auto_shutdown_flag = 0; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ<D6BE><CEBB><EFBFBD><EFBFBD>ֹ<EFBFBD><D6B9>ѭ<EFBFBD><D1AD><EFBFBD>ػ<EFBFBD>
            // ע<>⣺<EFBFBD><E2A3BA><EFBFBD>ﲻ<EFBFBD><EFB2BB>Ҫ break<61><6B><EFBFBD><EFBFBD>Ϊ<EFBFBD>ػ<EFBFBD><D8BB><EFBFBD>״̬<D7B4><CCAC>Ϊ OFF<46><46><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> switch <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4> ON <20>ķ<EFBFBD>֧
        }
    }
    // 4. ״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    switch (g_device_state) {
        case DEVICE_STATE_OFF:
            if (key_current_state == 1) {
                // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                if (!g_key_long_pressed_flag) {
                    g_key_press_time++;
                    // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD> (40 * 10ms = 400ms)
                    if (g_key_press_time >= (KEY_PRESS_TIME_LONG / KEY_SCAN_INTERVAL)) {
                        Device_Start(); // ִ<>п<EFBFBD><D0BF><EFBFBD>
                        g_key_long_pressed_flag = true; // <20><><EFBFBD>dz<EFBFBD><C7B3><EFBFBD><EFBFBD>Ѵ<EFBFBD><D1B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֹ<EFBFBD>ظ<EFBFBD>ִ<EFBFBD><D6B4>
                    }
                }
            } else {
                // <20><><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD>
                g_key_press_time = 0;
                g_key_long_pressed_flag = false; // <20><><EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD>־
            }
            break;

        case DEVICE_STATE_ON:
            if (key_current_state == 1) {
                // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
                if (!g_key_long_pressed_flag) {
                    g_key_press_time++;
                    if (g_key_press_time >= (KEY_PRESS_TIME_LONG / KEY_SCAN_INTERVAL)) {
                        Device_Shutdown(); // ִ<>йػ<D0B9>
                        g_key_long_pressed_flag = true; // <20><><EFBFBD>dz<EFBFBD><C7B3><EFBFBD><EFBFBD>Ѵ<EFBFBD><D1B4><EFBFBD>
                    }
                }
            } else {
                // <20><><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD>
                g_key_press_time = 0;
                g_key_long_pressed_flag = false; // <20><><EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD>־
            }
            break;
    }

}


// <20><>ȡ<EFBFBD><C8A1>ǰ<EFBFBD>豸״̬
Device_StateTypeDef Get_Device_State(void) {
    return g_device_state;
}

void Unit_key(void)
{
	static uint8_t key_state = 0; // 0: <20>ͷ<EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>, 1: <20><>ȷ<EFBFBD>ϰ<EFBFBD><CFB0><EFBFBD>
	static uint16_t key_count = 0;
	uint8_t key_level = LHL_GPIO_ReadPin(UnitKEY_PORT,UnitKEY_PIN);
	switch (key_state)
        {
            case 0:
                if (key_level == 0) {
                    key_count++;
                    if (key_count >= 3) {
                        key_state = 1;
                        key_press_flag = 1;// <20><><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD>а<EFBFBD><D0B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
						key_count=0;
                    }
                } else {
                    key_count = 0; // ֻҪû<D2AA><C3BB><EFBFBD>£<EFBFBD><C2A3><EFBFBD>һֱ<D2BB><D6B1><EFBFBD><EFBFBD>
                }
                break;

            case 1:
                if (key_level == 1) {// <20><><EFBFBD>⵽<EFBFBD>ɿ<EFBFBD>
                    key_state = 0;
                    key_count = 0;// <20><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>׼<EFBFBD><D7BC><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>
                }
                break;
        }
}