#include "Key.h"
#include "SysTick.h"

#define KEY_NAME_MAX 	5


#define KEY_A_RCU   	RCU_GPIOA
#define KEY_A_IO			GPIOA
#define KEY_B_RCU			RCU_GPIOB
#define KEY_B_IO 			GPIOB
#define KEY_F_RCU			RCU_GPIOF
#define KEY_F_IO 			GPIOF

#define KEY_ON 0
#define KEY_OFF 1

#define KEY1 GPIO_PIN_7
#define KEY2 GPIO_PIN_6
#define KEY3 GPIO_PIN_12
#define KEY4 GPIO_PIN_8

#if ((RelaySlaveChaNum <=4) && (!SUPPORT_TWIN_FIRE))
	#define KEY5 	GPIO_PIN_15
#else
	#define KEY5 	GPIO_PIN_10
#endif


#if (RelaySlaveChaNum == 6)
		#define DERECTION_GPIO   GPIOB
		#define DERECTION_IO_1 GPIO_PIN_8
		#define DERECTION_IO_2 GPIO_PIN_9
#elif((RelaySlaveChaNum <= 4) && (!SUPPORT_TWIN_FIRE))
		#define DERECTION_GPIO   		GPIOB
		#define DERECTION_IO_1 			GPIO_PIN_10
#elif ((RelaySlaveChaNum == 8) && (SUPPORT_2_DETECTION))
		#define DERECTION_GPIO   		GPIOB
		#define DERECTION_IO_1 			GPIO_PIN_1
		#define DERECTION_IO_2 			GPIO_PIN_2
#else
		#define DERECTION_GPIO   		GPIOA
		#define DERECTION_IO_1 			GPIO_PIN_1
#endif


static  unsigned char  s_arrKeyDownLevel[KEY_NAME_MAX];      //使用前要在InitKey函数中进行初始化 


static  void  ConfigKeyGPIO(void); //配置按键的GPIO 

static  void  ConfigKeyGPIO(void)
{
  //使能RCU相关时钟
  rcu_periph_clock_enable(RCU_GPIOA); //使能GPIOA的时钟
  rcu_periph_clock_enable(RCU_GPIOF); //使能GPIOF的时钟
	rcu_periph_clock_enable(RCU_GPIOB);

  
  gpio_mode_set(KEY_F_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY1);   //配置PF7为上拉输入K1
  gpio_mode_set(KEY_F_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY2);   //配置PF6为上拉输入K2
  gpio_mode_set(KEY_A_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY3);   //配置PA12为上拉输入K3
	gpio_mode_set(KEY_A_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY4);   //配置PA12为上拉输入K3
	gpio_mode_set(KEY_B_IO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, KEY5); 
#if SUPPORT_DETECTION
	#if (RelaySlaveChaNum == 6 || ((RelaySlaveChaNum == 8) && SUPPORT_2_DETECTION))
		gpio_mode_set(DERECTION_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DERECTION_IO_1);
		gpio_mode_set(DERECTION_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DERECTION_IO_2);
	#else
		gpio_mode_set(DERECTION_GPIO, GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, DERECTION_IO_1);
	#endif
#endif
	
}

void InitKey(void)
{
  ConfigKeyGPIO(); //配置按键的GPIO                                                           
}


unsigned char ScanKey(unsigned int gpio_periph,unsigned int pin)
{
	if(gpio_input_bit_get(gpio_periph,pin)==0)
		return KEY_ON;
	else 
		return KEY_OFF;
}

unsigned char ReadKeyValue(void)
{
	static  unsigned char  SlaveAddress;
	s_arrKeyDownLevel[0]=ScanKey(KEY_F_IO,KEY1);
	s_arrKeyDownLevel[1]=ScanKey(KEY_F_IO,KEY2);
	s_arrKeyDownLevel[2]=ScanKey(KEY_A_IO,KEY3);
	s_arrKeyDownLevel[3]=ScanKey(KEY_A_IO,KEY4);
	s_arrKeyDownLevel[4]=ScanKey(KEY_B_IO,KEY5);
	SlaveAddress=(~((s_arrKeyDownLevel[4]<<4)|(s_arrKeyDownLevel[3]<<3)|(s_arrKeyDownLevel[2]<<2)|(s_arrKeyDownLevel[1]<<1)|s_arrKeyDownLevel[0]))&0x1f;
	return SlaveAddress;
}
#if SUPPORT_DETECTION

unsigned char get_detection()
{
	uint8_t value = 0;
	int count = 50;
	#if ((RelaySlaveChaNum == 6) || ((RelaySlaveChaNum == 8) && SUPPORT_2_DETECTION))			//six  relay board
		if(gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_1)==0)
			value |=(1<<0);
		if(gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_2)==0)
			value |=(1<<1);
	#else
		if(gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_1)==0){
			while(count --);
			if(gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_1)==0)
			{
				value |=(1<<0);
			}
		}else
		{
			DelayNms(3);
			if(gpio_input_bit_get(DERECTION_GPIO,DERECTION_IO_1)==0)
			{
				value |=(1<<0);
			}
		}
	#endif
	return value;
}

#endif