#include "tq_sdt_led.h"
#include "ALL_Includes.h"
#include <stdbool.h>
#include "stm32f0xx_exti.h"
#include "stm32f0xx_syscfg.h"
#include "tq.h"

uint8_t data_[20];
uint16_t data1_[20];
uint8_t buf [40];
uint8_t i,pos,posi,sendpos,temp,startTQ=0;
uint16_t timer;
extern uint8_t sendbuf[10];
extern uint8_t MyType;
extern void sendstr(void);
/////////////////////////////////////////////////////////////////////////////////////////////////////////
void NVIC_init(uint8_t NVIC_IRQChannel,uint8_t Priority)
{
     NVIC_InitTypeDef NVIC_InitStruct;
	   NVIC_InitStruct.NVIC_IRQChannel = NVIC_IRQChannel;
     NVIC_InitStruct.NVIC_IRQChannelPriority = Priority;
     NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
     NVIC_Init(&NVIC_InitStruct);	
}

void TQ_SDT_Init(void)
{
     EXTI_InitTypeDef EXTI_InitStruct;

	   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
     config_io_PuPd_DOWN(GPIOA, GPIO_Pin_5);
     config_io_PuPd_DOWN(GPIOA, GPIO_Pin_7);
	   RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);	

	   NVIC_init(EXTI4_15_IRQn,0x02);
	
	   SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource5);
              
     EXTI_ClearITPendingBit(EXTI_Line5);
              
     EXTI_InitStruct.EXTI_Line = EXTI_Line5;
     EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
	   if (MyType == 6) EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Falling;
	   else EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising; 
     EXTI_InitStruct.EXTI_LineCmd = ENABLE;
     EXTI_Init(&EXTI_InitStruct); 	

     if (MyType==2 || MyType==5 || MyType==6|| MyType==7) //EZ4300  or 1040XL or 2500
		 {
			   RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
				 config_io_PuPd_DOWN(GPIOB, GPIO_Pin_1);

			   NVIC_init(EXTI0_1_IRQn,0x01);
			
				 SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource1);
									
				 EXTI_ClearITPendingBit(EXTI_Line1);
									
				 EXTI_InitStruct.EXTI_Line = EXTI_Line1;
				 EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
				 if (MyType == 6 || MyType == 7) EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Falling;
	       else EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising; 
				 EXTI_InitStruct.EXTI_LineCmd = ENABLE;
				 EXTI_Init(&EXTI_InitStruct); 			   
		 }
}

void I2C_InitConfig(void)
{
	GPIO_InitTypeDef  GPIO_InitStructure;
	I2C_InitTypeDef I2C_InitStructure;
  NVIC_InitTypeDef NVIC_InitStruct;
	
	//GPIO配置，I2C1：PA9->SCL, PA10->SDA	
	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);  
	
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10;                 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; 
	GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; 
	GPIO_Init(GPIOA, &GPIO_InitStructure); 
	
	GPIO_PinAFConfig(GPIOA,GPIO_PinSource9,GPIO_AF_4);
	GPIO_PinAFConfig(GPIOA,GPIO_PinSource10,GPIO_AF_4); 
	
	//I2C初始化
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE);

	RCC_I2CCLKConfig(RCC_I2C1CLK_SYSCLK);	//I2C1时钟源设置为SYSCLK

	I2C_DeInit(I2C1);
  I2C_Cmd(I2C1, DISABLE);
	I2C_InitStructure.I2C_Mode = I2C_Mode_I2C;								//I2C模式
	I2C_InitStructure.I2C_AcknowledgedAddress = I2C_AcknowledgedAddress_7bit;//7位地址模式
	I2C_InitStructure.I2C_AnalogFilter = I2C_AnalogFilter_Enable;			//模拟滤波启用
	I2C_InitStructure.I2C_DigitalFilter = 0x00;								//数字滤波禁用
	I2C_InitStructure.I2C_OwnAddress1 = 0x38<<1;						//本机I2C地址
	I2C_InitStructure.I2C_Ack = I2C_Ack_Enable;								//ACK启用
	I2C_InitStructure.I2C_Timing = 0x20E30000;
	I2C_Init(I2C1, &I2C_InitStructure);
	I2C1->CR1|=0x7F<<1;		//开启中断

  NVIC_init(I2C1_IRQn,0x01);
  NVIC_Init(&NVIC_InitStruct);	
	I2C_Cmd(I2C1, ENABLE);	//开启I2C
}

void printnum_1040(int iii)
{
  switch (iii)
  {
    case 0x1100:  sendbuf[sendpos] = 0x2D; break; 
    case 0x00FC:  sendbuf[sendpos] = 0x30; break;   
    case 0x0018:  sendbuf[sendpos] = 0x31; break; 
    case 0x116C:  sendbuf[sendpos] = 0x32; break;   
    case 0x113C:  sendbuf[sendpos] = 0x33; break;   
    case 0x1198:  sendbuf[sendpos] = 0x34; break;   
    case 0x11B4:  sendbuf[sendpos] = 0x35; break;   
    case 0x11F4:  sendbuf[sendpos] = 0x36; break;   
    case 0x001C:  sendbuf[sendpos] = 0x37; break;   
    case 0x11FC:  sendbuf[sendpos] = 0x38; break;    
    case 0x119C:  sendbuf[sendpos] = 0x39; break;   
    case 0x02:  sendbuf[sendpos] = 0x02; break;   
    //case 0x20:  sendbuf[sendpos] = 0x20; break;   
    case 0x0D:  sendbuf[sendpos] = 0x0D; break; 
    case 0x00:  sendbuf[sendpos] = 0x20; break; 
    default:  sendbuf[sendpos] = 0xFF; break;
  } 
  sendpos++;
}

void printnum_2500(int iii)
{
  switch (iii)
  {
		case 0x2529:  sendbuf[sendpos] = 0x30; break; 
    case 0x0500:  sendbuf[sendpos] = 0x31; break;   
    case 0x2325:  sendbuf[sendpos] = 0x32; break;   
    case 0x2724:  sendbuf[sendpos] = 0x33; break;   
    case 0x070C:  sendbuf[sendpos] = 0x34; break;   
    case 0x262C:  sendbuf[sendpos] = 0x35; break;   
    case 0x262D:  sendbuf[sendpos] = 0x36; break;  
    case 0x2625:  sendbuf[sendpos] = 0x36; break;		
    case 0x0520:  sendbuf[sendpos] = 0x37; break;   
    case 0x272D:  sendbuf[sendpos] = 0x38; break;   
    case 0x272C:  sendbuf[sendpos] = 0x39; break;  
    case 0x0204:  sendbuf[sendpos] = 0x2D; break; 
    case 0x02:  sendbuf[sendpos] = 0x02; break;   
    case 0x20:  sendbuf[sendpos] = 0x20; break;   
    case 0x0D:  sendbuf[sendpos] = 0x0D; break; 
    default:  sendbuf[sendpos] = 0x20; break;		
  } 
  sendpos++;
}

void EXTI0_1_IRQHandler(void)
{
	u8 i;
	if ( EXTI_GetITStatus(EXTI_Line1)!= RESET ) 
	{
		EXTI_ClearITPendingBit(EXTI_Line1);	 
		if (MyType==5 && pos>=113)
				{ 
					sendpos=0;
					for (i=0;i<6;i++) sendbuf[i]=0;					
					printnum_1040(data1_[4]);    
					printnum_1040(data1_[3]);    
					printnum_1040(data1_[2]);    
					printnum_1040(data1_[1]);    
					printnum_1040(data1_[0]);
					printnum_1040(0x0D);    
          for(i=0;i<20;i++)  data1_[i]=0;
					sendstr();
				};
		pos=0; 
    posi=0;		
		startTQ=1;		
	}
}	

void printnum_sitrex(int iii)
{
  switch (iii)
  {
    case 0x7E:  sendbuf[sendpos] = 0x30; break; 
    case 0x0C:  sendbuf[sendpos] = 0x31; break;   
    case 0xB6:  sendbuf[sendpos] = 0x32; break;   
    case 0x9E:  sendbuf[sendpos] = 0x33; break;   
    case 0xCC:  sendbuf[sendpos] = 0x34; break;   
    case 0xDA:  sendbuf[sendpos] = 0x35; break;   
    case 0xFA:  sendbuf[sendpos] = 0x36; break;   
    case 0x0E:  sendbuf[sendpos] = 0x37; break;   
    case 0xFE:  sendbuf[sendpos] = 0x38; break;    
    case 0xDE:  sendbuf[sendpos] = 0x39; break;   
    case 0x80:  sendbuf[sendpos] = 0x2D; break; 
    case 0x02:  sendbuf[sendpos] = 0x02; break;   
    case 0x20:  sendbuf[sendpos] = 0x20; break;   
    case 0x0D:  sendbuf[sendpos] = 0x0D; break; 
    default:  sendbuf[sendpos] = 0x20; break;
  } 
  sendpos++;
}

void EXTI4_15_IRQHandler(void)
{
	u8 i;
	if ( EXTI_GetITStatus(EXTI_Line5)!= RESET ) 
	{
		EXTI_ClearITPendingBit(EXTI_Line5);
	  temp = ((GPIOA->IDR&GPIO_Pin_7)>0)&1;
		if (MyType==1)
		{
			if (pos>0 && pos<9 )  data_[0]=(data_[0]<<1)|temp;  
			else if (pos<17)      data_[1]=(data_[1]<<1)|temp;    
			else if (pos<25)      data_[2]=(data_[2]<<1)|temp;    
			else if (pos<33)      data_[3]=(data_[3]<<1)|temp; 
			else if (pos<=35)     data_[4]=(data_[4]<<1)|temp;			
			pos++; 	
		}
    else	if (MyType==2)
		{
			if (startTQ)
			{
				posi=pos>>3;
				data_[posi]=(data_[posi]<<1)|temp;
				pos++; 
				if (pos>=143)	 
				{
					EZ_TQ();//结束	
					pos=0;
					startTQ=0;
				}	
			}
		}	
    else	if (MyType==4)
		{
			posi=pos>>3;
			data_[posi]=(data_[posi]<<1)|temp;
			pos++; 
			if (posi==12)
			{
				sendpos = 0;
				for (i=7;i<12;i++)  printnum_sitrex(data_[i]);
				printnum_sitrex(0x0D); 
				sendstr(); 
			} 	
			else if (pos%8==0) 
			{
			  if ((data_[posi] ==0x04) || (data_[posi] ==0x08))   
				{
					pos = 8; 
					data_[0] = data_[posi];
//					startTQ=1;
				}
			}  
		}		
    else	if (MyType==5)
		{
			temp = ~temp;
			if (startTQ)
			{
				if (pos>96 && pos<113)
				{
					data1_[0]=data1_[0]<<1;
					data1_[0]=data1_[0]|(temp&0x01);
				}
				else if (pos>80)
				{
					data1_[1]=data1_[1]<<1;
					data1_[1]=data1_[1]|(temp&0x01);
				}
				else if (pos>64)
				{
					data1_[2]=data1_[2]<<1;
					data1_[2]=data1_[2]|(temp&0x01);
				}
				else if (pos>48)
				{
					data1_[3]=data1_[3]<<1;
					data1_[3]=data1_[3]|(temp&0x01);
				}
				else if (pos>32)
				{
					data1_[4]=data1_[4]<<1;
					data1_[4]=data1_[4]|(temp&0x01);
				}
				else if (pos>16)
				{
					data1_[5]=data1_[5]<<1;
					data1_[5]=data1_[5]|(temp&0x011);
				}
				pos++;
			}
		}
    else	if (MyType == 6||MyType == 7)
		{			
			if (startTQ)
			{
				posi=pos>>3;
				data_[posi]=(data_[posi]<<1)|temp;
				pos++; 
				if (pos>=160)	 
				{
					EZ_2500();//结束	
					for(i=0;i<20;i++)  data_[i]=0;
					pos=0;
					startTQ=0;
				}	
			}
		}			
	}
}	

void printnum_(uint8_t iii)
{
  iii = (iii&0xFE)>>1;
  switch (iii)
  {
    case 0x01:  sendbuf[sendpos] = 0x2D; break; 
    case 0x7E:  sendbuf[sendpos] = 0x30; break;  
    case 0x30:  sendbuf[sendpos] = 0x31; break; 
    case 0x6D:  sendbuf[sendpos] = 0x32; break;   
    case 0x79:  sendbuf[sendpos] = 0x33; break;   ///////////////////
    case 0x33:  sendbuf[sendpos] = 0x34; break;   
    case 0x5B:  sendbuf[sendpos] = 0x35; break;   ////////////
    case 0x5F:  sendbuf[sendpos] = 0x36; break;   //////////////
    case 0x70:  sendbuf[sendpos] = 0x37; break;   
    case 0x7F:  sendbuf[sendpos] = 0x38; break;   //////////////////// 
    case 0x7B:  sendbuf[sendpos] = 0x39; break;   
    case 0x02:  sendbuf[sendpos] = 0x02; break;   
    case 0x20:  sendbuf[sendpos] = 0x20; break;   
    case 0x0D:  sendbuf[sendpos] = 0x0D; break; 
    case 0x00:  sendbuf[sendpos] = 0x20; break;    
    case 0x40:  sendbuf[sendpos] = 0x20; break; 
    default:  sendbuf[sendpos] = 0xFF; break;
  } 
  sendpos++;
}

void printnum_ez(int iii)
{
  switch (iii)
  {
    case 0x2625:  sendbuf[sendpos] = 0x30; break; 
    case 0x2200:  sendbuf[sendpos] = 0x31; break;   
    case 0x07A4:  sendbuf[sendpos] = 0x32; break;   
    case 0x2784:  sendbuf[sendpos] = 0x33; break;   
    case 0x2381:  sendbuf[sendpos] = 0x34; break;   
    case 0x2585:  sendbuf[sendpos] = 0x35; break;   
    case 0x25A5:  sendbuf[sendpos] = 0x36; break;   
    case 0x2204:  sendbuf[sendpos] = 0x37; break;   
    case 0x27A5:  sendbuf[sendpos] = 0x38; break;    
    case 0x2785:  sendbuf[sendpos] = 0x39; break;   
    case 0x0300:  sendbuf[sendpos] = 0x2D; break; 
    case 0x02:  sendbuf[sendpos] = 0x02; break;   
    case 0x20:  sendbuf[sendpos] = 0x20; break;   
    case 0x0D:  sendbuf[sendpos] = 0x0D; break; 
    default:  sendbuf[sendpos] = 0x20; break;
  } 
  sendpos++;
}

void EZ_TQ(void)
{
	int x,y,z, xx;
	x = data_[6] & 0x40;
	if (x==0x40)
	{
		sendpos = 0;
		printnum_ez(0x02);
		x = (data_[9] & 0x0F)<<10;
		y = (data_[13] & 0x1F)<<5;
		z = (data_[17] & 0x1F);   
		xx = x|y|z;  
		printnum_ez(xx); 
		
		if ((data_[8] & 0x07)==0x02 && (data_[12] & 0x07)==0x04)
			printnum_ez(0x2200);
		else
		   printnum_ez(0x20);
		x = (data_[8] & 0x78)<<7;
		y = (data_[12] & 0xF8)<<2;
		z = (data_[16] & 0xF8)>>3;   
		xx = x|y|z;     
		printnum_ez(xx); 
	 
		x = (data_[7] & 0x0F)<<10;
		y = (data_[11] & 0x1F)<<5;
		z = data_[15] & 0x1F;      
		xx = x|y|z;        
		printnum_ez(xx); 
		
		x = (((data_[6] & 0x01)<<3)|((data_[7] & 0xE0)>>5))<<10;
		y = (((data_[10] & 0x03)<<3)|((data_[11] & 0xE0)>>5))<<5;
		z = (((data_[14] & 0x03)<<3)|((data_[15] & 0xE0)>>5));      
		xx = x|y|z;      
		printnum_ez(xx); 
	 
		x = (data_[6] & 0x3C)<<8;
		y = (data_[10] & 0x7C)<<3;
		z = (data_[14] & 0x7C)>>2;      
		xx = x|y|z;        
		printnum_ez(xx); 
		printnum_ez(0x0D); 
		
		sendstr(); 
	}
}
void EZ_2500(void)
{
  u16 i;
	sendpos=0;
	for (i=0;i<6;i++) sendbuf[i]=0;			
  i = data_[16]<< 8 | data_[17];	
	if (i==0x0204){
	  printnum_2500(i);
	}
  else{	
    i = data_[14]<< 8 | data_[15];	
	  printnum_2500(i);
	}  	
  i = data_[12]<< 8 | data_[13];	  
	printnum_2500(i);  	
  i = data_[10]<< 8 | data_[11];	  
	printnum_2500(i);  	
  i = data_[8]<< 8 | data_[9];	  
	printnum_2500(i); 	
  i = data_[6]<< 8 | data_[7];	  
	printnum_2500(i);
	printnum_2500(0x0D);    
	for(i=0;i<20;i++)  data1_[i]=0;
	sendstr();
}

void SDT_TQ(void)
{
	uint8_t i;
	if (timer>10)
	{
		if (pos>0x23)
		{	
			sendpos=0; 
			for (i=0;i<8;i++) sendbuf[i]=0;   
			printnum_(0x0D<<1);    
			printnum_(data_[0]);    
			printnum_(data_[1]);    
			printnum_(data_[2]);    
			printnum_(data_[3]);
      if(data_[4]==0x01) printnum_(0x30<<1);			
			else printnum_(0x20<<1);    
			sendstr();
			pos=0; 
		}
		else LED_Off();			
		timer=0;
	}
}


u8 LED_Coding(u8 temp,u8 tempp)
{
	u8 out;
	u8 in1,in2;

	in1 = temp;
	in2 = tempp;
	     if((in1 == 0x00) && (in2 == 0x00)) out = 0x20;
	else if((in1 == 0xe0) && (in2 == 0x07)) out = 0x30;
	else if((in1 == 0x60) && (in2 == 0x00)) out = 0x31;
	else if((in1 == 0xc4) && (in2 == 0x23)) out = 0x32;
	else if((in1 == 0xe0) && (in2 == 0x21)) out = 0x33;
	else if((in1 == 0x64) && (in2 == 0x24)) out = 0x34;
	else if((in1 == 0xA4) && (in2 == 0x25)) out = 0x35;
	else if((in1 == 0xa4) && (in2 == 0x27)) out = 0x36;
	else if((in1 == 0xe0) && (in2 == 0x00)) out = 0x37;
	else if((in1 == 0xe4) && (in2 == 0x27)) out = 0x38;
	else if((in1 == 0xe4) && (in2 == 0x25)) out = 0x39;
  else if((in1 == 0x00) && (in2 == 0x20)) out = 0x2D;
  else if((in1 == 0xff) && (in2 == 0xff)) out = 0x0D;
	else out = 0xff;
	sendbuf[sendpos++] = out;
	return out;
}


u8 LED_Coding_640(u8 temp,u8 tempp)
{
	u8 out;
	u8 in1,in2;

	in1 = temp;
	in2 = tempp;
	     if((in1 == 0x00) && (in2 == 0x00)) out = 0x20;
	else if((in1 == 0x00) && (in2 == 0xFC)) out = 0x30;
	else if((in1 == 0x00) && (in2 == 0x18)) out = 0x31;
	else if((in1 == 0x11) && (in2 == 0x6C)) out = 0x32;
	else if((in1 == 0x11) && (in2 == 0x3C)) out = 0x33;
	else if((in1 == 0x11) && (in2 == 0x98)) out = 0x34;
	else if((in1 == 0x11) && (in2 == 0xB4)) out = 0x35;
	else if((in1 == 0x11) && (in2 == 0xF4)) out = 0x36;
	else if((in1 == 0x00) && (in2 == 0x1C)) out = 0x37;
	else if((in1 == 0x11) && (in2 == 0xFC)) out = 0x38;
	else if((in1 == 0x11) && (in2 == 0x9C)) out = 0x39;
  else if((in1 == 0x11) && (in2 == 0x00)) out = 0x2D;
  else if((in1 == 0xff) && (in2 == 0xff)) out = 0x0D;
	else out = 0xff;
	sendbuf[sendpos++] = out;
	return out;
}

u16 RecIndex=0;		//接收索引，用于处理接收数据流程
void I2C1_IRQHandler(void)
{
	 u8 i;
   __IO uint32_t I2CFlagStatus = 0x00000000;
   I2CFlagStatus = (uint32_t)(I2C1->ISR & (uint16_t)0x0000100FE);
   if ((I2CFlagStatus & I2C_ISR_ADDR) != 0)
  	{	    
		if((I2C1->ISR&I2C_ISR_DIR)==0) //rx mode
        {
           RecIndex= 0;					
		       for(i=0;i<20;i++)  data_[i]=0;
           I2C1->ICR |= I2C_ICR_ADDRCF; 
        }
    }
   else if ((I2CFlagStatus & I2C_ISR_RXNE) != 0)
   	{
        data_[RecIndex++] = I2C_ReceiveData(I2C1);
        if(RecIndex>=30)   RecIndex=0;
			  else if  (data_[0]==0xCD && RecIndex==19)
			{
			  RecIndex = 0;
				sendpos=0; 
			  for (i=0;i<8;i++) sendbuf[i]=0;  
        LED_Coding_640(0xFF,0xFF);				
		    LED_Coding_640(data_[17],data_[18]);   
				LED_Coding_640(data_[15],data_[16]);	
				LED_Coding_640(data_[13],data_[14]);	
				LED_Coding_640(data_[11],data_[12]);	
				LED_Coding_640(data_[9],data_[10]); 
	
			  sendstr();
			}		
			else if  (data_[0]==0xE0 && RecIndex==12)
			{
			  RecIndex = 0;
				sendpos=0; 
			  for (i=0;i<8;i++) sendbuf[i]=0;  
        LED_Coding(0xFF,0xFF);
				LED_Coding(data_[2],data_[3]);
				LED_Coding(data_[4],data_[5]);	 
				LED_Coding(data_[6],data_[7]);		 
				LED_Coding(data_[8],data_[9]);					
		    LED_Coding(data_[10],data_[11]); 			
 
				
			  sendstr();
			}		
     }
	 else if ((I2CFlagStatus & I2C_ISR_STOPF) != 0)
    {
		  I2C1->ICR |= I2C_ICR_STOPCF;
			if  (data_[0]==0xE0)
			{
			  RecIndex = 0;
				sendpos=0; 
			  for (i=0;i<8;i++) sendbuf[i]=0;  
        LED_Coding(0xFF,0xFF);
				LED_Coding(data_[2],data_[3]);
				LED_Coding(data_[4],data_[5]);	 
				LED_Coding(data_[6],data_[7]);		 
				LED_Coding(data_[8],data_[9]);					
		    LED_Coding(data_[10],data_[11]);   
  
			  sendstr();
			}	else if  (data_[0]==0xCD)
			{
			  RecIndex = 0;
				sendpos=0; 
			  for (i=0;i<8;i++) sendbuf[i]=0;  
        LED_Coding_640(0xFF,0xFF);	
		    LED_Coding_640(data_[17],data_[18]);   
				LED_Coding_640(data_[15],data_[16]);	
				LED_Coding_640(data_[13],data_[14]);	
				LED_Coding_640(data_[11],data_[12]);	
				LED_Coding_640(data_[9],data_[10]);    
  	
			  sendstr();
			}					
	}

}
///////////////////////////////////////////////////////////////////////////////////////////////////////