MS-DTU/Anjiehui7_TTS_ST_V2.4_LOCAL/User/gpio_key.c

#include "includes.h"

volatile uint8_t Key_Wakeup = 0;		   // <20>Ƿ񰴼<C7B7><F1B0B4BC><EFBFBD><EFBFBD><EFBFBD>

// 485<38><35><EFBFBD>ڽ<EFBFBD><DABD>յ<EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
#define KEY_TASKM_DATA_COUNT 4
loopbuff_t Key_TaskM;
uint8_t Key_TaskM_Data[sizeof(uint8_t) * (KEY_TASKM_DATA_COUNT + 1)] = {0};
// 485<38><35><EFBFBD>ڽ<EFBFBD><DABD>յ<EFBFBD><D5B5>ź<EFBFBD><C5BA><EFBFBD>
SemaphoreHandle_t Key_Semaphore = NULL;    // <20><>ֵ<EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

void Key_Init(void) 
{
  LL_EXTI_InitTypeDef EXTI_InitStruct = {0};

  /* GPIO Ports Clock Enable */
  LL_AHB2_GRP1_EnableClock(LL_AHB2_GRP1_PERIPH_GPIOE);

  /**/
  LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTE, LL_SYSCFG_EXTI_LINE3);

  /**/
  LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTE, LL_SYSCFG_EXTI_LINE4);

  /**/
  LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTE, LL_SYSCFG_EXTI_LINE5);

  /**/
  LL_SYSCFG_SetEXTISource(LL_SYSCFG_EXTI_PORTE, LL_SYSCFG_EXTI_LINE6);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_3;
  EXTI_InitStruct.Line_32_63 = LL_EXTI_LINE_NONE;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_4;
  EXTI_InitStruct.Line_32_63 = LL_EXTI_LINE_NONE;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_5;
  EXTI_InitStruct.Line_32_63 = LL_EXTI_LINE_NONE;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  EXTI_InitStruct.Line_0_31 = LL_EXTI_LINE_6;
  EXTI_InitStruct.Line_32_63 = LL_EXTI_LINE_NONE;
  EXTI_InitStruct.LineCommand = ENABLE;
  EXTI_InitStruct.Mode = LL_EXTI_MODE_IT;
  EXTI_InitStruct.Trigger = LL_EXTI_TRIGGER_FALLING;
  LL_EXTI_Init(&EXTI_InitStruct);

  /**/
  LL_GPIO_SetPinPull(GPIOE, LL_GPIO_PIN_3, LL_GPIO_PULL_NO);

  /**/
  LL_GPIO_SetPinPull(GPIOE, LL_GPIO_PIN_4, LL_GPIO_PULL_NO);

  /**/
  LL_GPIO_SetPinPull(GPIOE, LL_GPIO_PIN_5, LL_GPIO_PULL_NO);

  /**/
  LL_GPIO_SetPinPull(GPIOE, LL_GPIO_PIN_6, LL_GPIO_PULL_NO);

  /**/
  LL_GPIO_SetPinMode(GPIOE, LL_GPIO_PIN_3, LL_GPIO_MODE_INPUT);

  /**/
  LL_GPIO_SetPinMode(GPIOE, LL_GPIO_PIN_4, LL_GPIO_MODE_INPUT);

  /**/
  LL_GPIO_SetPinMode(GPIOE, LL_GPIO_PIN_5, LL_GPIO_MODE_INPUT);

  /**/
  LL_GPIO_SetPinMode(GPIOE, LL_GPIO_PIN_6, LL_GPIO_MODE_INPUT);
}

void Key_Open()
{
	// <20><><EFBFBD><EFBFBD>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	LoopBuff_Create(&Key_TaskM, sizeof(uint8_t), KEY_TASKM_DATA_COUNT, 0, (uint32_t) Key_TaskM_Data);
	// <20><><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD>
	Key_Semaphore = xSemaphoreCreateBinary();
	
  /* EXTI interrupt init*/
  NVIC_SetPriority(EXTI3_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
  NVIC_EnableIRQ(EXTI3_IRQn);
  NVIC_SetPriority(EXTI4_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
  NVIC_EnableIRQ(EXTI4_IRQn);
  NVIC_SetPriority(EXTI9_5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0));
  NVIC_EnableIRQ(EXTI9_5_IRQn);
}

// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void Key_Handler(void) 
{
	static uint32_t key_tick = 0;
	uint32_t tick = GetTickCount();
	uint8_t g_KeyVal = KEY_INVALID;
	BaseType_t xHigherPriorityTaskWoken;
	
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ
	uint8_t pe3 = LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_3), 
			pe4 = LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_4), 
			pe5 = LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_5), 
			pe6 = LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_6);

	if(Wakeup_SleepMode)			// ˯<><CBAF>ģʽ
	{
		Watchdog_Feed();			// ι<><CEB9>
		if(pe3 == 0 && pe6 == 0)	// ͬʱ<CDAC><CAB1><EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><DCBC>ͳ<EFBFBD>װ<EFBFBD><D7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
			 NVIC_SystemReset();
		return;
	}
	
	// <20><>¼<EFBFBD>Ƿ񰴼<C7B7><F1B0B4BC><EFBFBD><EFBFBD><EFBFBD>
	Key_Wakeup = Wakeup_Sleeping;
	
	if(Wakeup_Sleeping)
	{
		SysTick->CTRL |= (SysTick_CTRL_ENABLE_Msk | SysTick_CTRL_TICKINT_Msk);	
		delay_ms(10);

		Vcc_Enable();
		delay_ms(40);
		Wakeup_Sleeping = 0;
		
		// <20>ж<EFBFBD><D0B6>Ƿ<EFBFBD>Ϊ<EFBFBD>͵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD>ų<EFBFBD><C5B3><EFBFBD><EFBFBD><EFBFBD>
		if(LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_3) && LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_4) 
			&& LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_5) && LL_GPIO_IsInputPinSet(GPIOE, GPIO_PIN_6))
		{
			printf("\nWakeup by DISTURB ...\n");

			// <20>ɸ<EFBFBD><C9B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ<EFBFBD><C4B0><EFBFBD><EFBFBD>жϣ<D0B6><CFA3><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD><EFBFBD><EFBFBD>
			return;
		}

		printf("\n\nWake up by KEY.\n\n");
		
		// <20>ɼ<EFBFBD><C9BC><EFBFBD><EFBFBD><EFBFBD>
		Sample_NotifyFromISR();
	}

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>300ms<6D><73><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	if((tick >= key_tick && tick - key_tick < 300) || (tick < key_tick && 0xFFFFFFFFul - key_tick + 1 + tick < 300))
		return;

	// ͬʱ<CDAC><CAB1><EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><DCBC>ͳ<EFBFBD>װ<EFBFBD><D7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
	if(pe3 == 0 && pe6 == 0)
	{
		// <20><>λ
		 VCC_GSM_OFF();
		 delay_ms(200);
		 NVIC_SystemReset();	
	}
	
	g_KeyVal = KEY_INVALID;	
	if(pe3 == 0)
	{
		//printf("\n----------- Key pe3 pressed -----------\n");
		g_KeyVal = KEY_FUNC;
	}
	else if(pe4 == 0)
	{
		//printf("\n----------- Key pe4 pressed -----------\n");
		g_KeyVal = KEY_UP;
	}
	else if(pe5 == 0)
	{
		//printf("\n----------- Key pe5 pressed -----------\n");
		g_KeyVal = KEY_DOWN;
	}
	else if(pe6 == 0)
	{
		//printf("\n----------- Key pe6 pressed -----------\n");
		g_KeyVal = KEY_SET;
	}
	
	if(g_KeyVal != KEY_INVALID)
	{
		key_tick = GetTickCount();

		// <20><><EFBFBD>¼<EFBFBD><C2BC><EFBFBD>ʱ<EFBFBD><CAB1>
		Form_ResetTimer();

		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		LCD_Disabled = 0;

		// <20><><EFBFBD>뻺<EFBFBD><EBBBBA>
		LoopBuff_PutItem(&Key_TaskM, &g_KeyVal);
		// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ<EFBFBD><CFA2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
		xSemaphoreGiveFromISR(Key_Semaphore, &xHigherPriorityTaskWoken);
	}	
}