#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
int a=0;
int b=0;
const unsigned char number16x16_triangle[]= 
				{0x00,0x04,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x84,0x04,0x00,0x00,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,
          0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x00,/*"三",0*/
          0x20,0x10,0xE8,0x24,0x27,0x24,0x24,0xE4,0x24,0x34,0x2C,0x20,0xE0,0x00,0x00,0x00,0x80,0x60,0x1F,0x09,0x09,0x09,0x09,0x7F,
          0x09,0x09,0x49,0x89,0x7F,0x00,0x00,0x00,/*"角",1*/
          0x80,0x82,0x82,0xFE,0x82,0x82,0xFE,0x82,0x82,0x80,0x20,0x10,0x08,0x86,0x60,0x00,0x80,0x40,0x30,0x0F,0x00,0x00,0xFF,0x00,
          0x00,0x80,0x84,0x42,0x21,0x10,0x0C,0x00};/*"形",2*/
void DisNumber0Snumberunittriangle(u8 pag ,u8 col)//三角形
{
	/*u8 i,j;
	for (i=0;i<2;i++)
	{
      SPI_lcd_WR_Byte(0xb0+pag+i,lcd_CMD);
	    SPI_lcd_WR_Byte((((col)&0xf0)>>4)|0x10,lcd_CMD);
	    SPI_lcd_WR_Byte(((col)&0x0f),lcd_CMD);
		for(j=0;j<16;j++)
		{
			SPI_lcd_WR_Byte(number16x16_triangle[16*i+j],lcd_DATA);
		}
		j=0;
		
	}*/
}




void setup() {
  lcd.begin(16,2);
  lcd.print("Hello World!");
  pinMode(2,INPUT);
  pinMode(3,INPUT);
  pinMode(4,INPUT);
  pinMode(5,INPUT);
  pinMode(6,INPUT);
}

void loop() {

  if (digitalRead(2) == 1)
  {lcd.clear();
    a++;
    switch(a)
    {
      case 1:
      lcd.print("scheme1");delay(500);
      while(!digitalRead(2) == 1){
        if (digitalRead(3) == 1)
            {
              lcd.clear(); lcd.print("Run: scheme1" );
            }
        }
      
      case 2:
      lcd.clear();
      lcd.print("scheme2");delay(500);
      while(!digitalRead(2) == 1){
         if (digitalRead(3) == 1)
            {
              lcd.clear(); lcd.print("Run: scheme2");
            }
      }
      case 3:
      lcd.clear();
      lcd.print("scheme3");delay(500);
      while(!digitalRead(2) == 1){
        if (digitalRead(3) == 1)
            {
              lcd.clear(); lcd.print("Run: scheme3");
            }
      }
      case 4:
      lcd.clear();
      lcd.print("scheme4");delay(500);
      while(!digitalRead(2) == 1){
        if (digitalRead(3) == 1)
            {
              lcd.clear(); lcd.print("Run: scheme4");
            }
      }
      case 5:
      lcd.clear();
      lcd.print("scheme5");delay(500);
      while(!digitalRead(2) == 1){
        if (digitalRead(3) == 1)
            {
              lcd.clear(); lcd.print("Run: scheme5");
            }
      }
      case 6:
      lcd.clear();
      lcd.print("scheme6");delay(500);
      while(!digitalRead(2) == 1){
        if (digitalRead(3) == 1)
            {
              lcd.clear(); lcd.print("Run: scheme6");
            }
      }
      case 7:
      lcd.clear();
      a=0;
      lcd.print("");delay(500);
      while(!digitalRead(2) == 1){;}
    }
    


  }





    if (digitalRead(6) == 1)
  {lcd.clear();
    b++;
    switch(b)
    {
      case 1:
      lcd.print("mode1");delay(500);
      while(!digitalRead(6) == 1){
        if (digitalRead(4) == 1)
            {
              lcd.clear(); lcd.print("mode1--" );
            }
        if (digitalRead(5) == 1)
            {
              lcd.clear(); lcd.print("mode1++" );
            }    
        }
      
      case 2:
      lcd.clear();
      lcd.print("mode2");delay(500);
      while(!digitalRead(6) == 1){
         if (digitalRead(4) == 1)
            {
              lcd.clear(); lcd.print("mode2--" );
            }
        if (digitalRead(5) == 1)
            {
              lcd.clear(); lcd.print("mode2++" );
            }    
      }
      case 3:
      lcd.clear();
      lcd.print("mode3");delay(500);
      while(!digitalRead(6) == 1){
        if (digitalRead(4) == 1)
            {
              lcd.clear(); lcd.print("mode3--" );
            }
        if (digitalRead(5) == 1)
            {
              lcd.clear(); lcd.print("mode3++" );
            }    
      }
      case 4:
      lcd.clear();
      lcd.print("mode4");delay(500);
      while(!digitalRead(6) == 1){
       if (digitalRead(4) == 1)
            {
              lcd.clear(); lcd.print("mode4--" );
            }
        if (digitalRead(5) == 1)
            {
              lcd.clear(); lcd.print("mode4++" );
            }    
      }
      case 5:
      lcd.clear();
      lcd.print("mode5");delay(500);
      while(!digitalRead(6) == 1){
        if (digitalRead(4) == 1)
            {
              lcd.clear(); lcd.print("mode5--" );
            }
        if (digitalRead(5) == 1)
            {
              lcd.clear(); lcd.print("mode5++" );
            }    
      }
      case 6:
      lcd.clear();
      lcd.print("mode6");delay(500);
      while(!digitalRead(6) == 1){
        if (digitalRead(4) == 1)
            {
              lcd.clear(); lcd.print("mode6--" );
            }
        if (digitalRead(5) == 1)
            {
              lcd.clear(); lcd.print("mode6++" );
            }    
      }
      case 7:
      lcd.clear();
      b=0;
      lcd.print("");delay(500);
      while(!digitalRead(2) == 1){;}
    }
    


  }




  /*

  if (digitalRead(4) == 1)
      {lcd.clear();
    lcd.print("4");delay(500);
    while(!digitalRead(4) == 0){;}}
  if (digitalRead(5) == 1)
     {lcd.clear();
    lcd.print("5");delay(500);
    while(!digitalRead(5) == 0){;}}
  if (digitalRead(6) == 1)
    {lcd.clear();
    lcd.print("6");delay(500);
    while(!digitalRead(6) == 0){;}}*/

}