#include <avr/io.h>
#include <util/delay.h>

void LED_SPEED(void);
void LED_TIMER(void);
void LEDBUTTONRACE(void);
void initialize_adc(void);
void ProcessPressedButton(int ButtonPressed);
void ProcessReleasedButton(int ButtonReleased);
void ModeChange(int modeChange);

int Pressed_Confidence_Level[2];
int Released_Confidence_Level[2];
int Pressed[2];
int read_adc_value(int ch);
int LEDNumber[2];
int adc_result0;

int main(void)
{
    DDRB = 0b01111111;
	DDRA = 0b00000000;
	DDRD = 0b11111111;
	
	PORTD = 0b00000000;
	PORTA = 0b00000111;
	PORTB = 0b10000000;
	
		
	
	while(1)
	{ 
				LED_TIMER();
			
	}

	

}

void ModeChange(int modeChange)
{
	if(modeChange == 1)
	{
		LEDBUTTONRACE();
	}
	else if(modeChange == 2)
	{
		LED_SPEED();
	}
	else if(modeChange == 3)
	{
		LED_TIMER();
	}
}

void initialize_adc()
{
    ADMUX = (1<<REFS0);

    ADCSRA = (1<<ADEN)|(1<<ADPS2)|(1<<ADPS1)|(1<<ADPS0);
}


int read_adc_value(int channel)
{
    channel &= 0b00000111;  
    ADMUX = (ADMUX & 0xF8) | channel;     


    ADCSRA |= (1<<ADSC);

    while(ADCSRA & (1<<ADSC));

    return (ADC);
}

void LED_TIMER()
{

	TCCR1B |= 1<<CS10 | 1<<CS11;
	
	LEDNumber[1] = 1;
	LEDNumber[0] = 0;
	
	while(1)
	{
		if(TCNT1 > 2232)
		{						
			TCNT1 = 0;
			PORTB = 1<<LEDNumber[0];
			LEDNumber[0] ++;
			
			if(LEDNumber[0] > 6)
			{
				LEDNumber[0] = 0;
				PORTD = 1<<LEDNumber[1];
				LEDNumber[1] ++;
				
				if(LEDNumber[1] > 7) LEDNumber[1] = 0;
			}
			
		}
		

				
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(1);
				}
		
	}
}


void LEDBUTTONRACE()
{
	PORTB = 0b10000000;
	PORTD = 0b00000000;
	PORTA = 0b00000111;
	
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(2);
				}
	while(1)
	{
	
				
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(2);
				}
			
		if (bit_is_clear(PINB, 7))
		{
			ProcessPressedButton(0);
			
		}
		else
		{
			ProcessReleasedButton(0);
		}
		if (bit_is_clear(PINA, 1))
		{
			ProcessPressedButton(1);
			
			
		}
		else
		{
			ProcessReleasedButton(1);
		}	

		
	}
}


void ProcessPressedButton(int ButtonPressed)
{
	Pressed_Confidence_Level[ButtonPressed] ++;
			if (Pressed_Confidence_Level[ButtonPressed] > 500)
			{
				if (Pressed[ButtonPressed] == 0)
				{
					Pressed[ButtonPressed] = 1;
					if (ButtonPressed == 0)
					{
						PORTB |= 1 << LEDNumber[ButtonPressed];
					}
					if (ButtonPressed == 1)
					{ 
						PORTD |= 1 << ((LEDNumber[ButtonPressed] + 1));
					}
	 
					LEDNumber[ButtonPressed] ++;
					if (LEDNumber[ButtonPressed] > 6)
					{
						for(int i=0;i < 5;i++)
						{
							if (ButtonPressed == 0)
							{
								PORTB = 1 << PINB0;
								_delay_ms(5);
								PORTB = 1 << PINB5;
								_delay_ms(5);
								PORTB = 1 << PINB3;
								_delay_ms(5);
								PORTB = 1 << PINB2;
								_delay_ms(5);
								PORTB = 1 << PINB1;
								_delay_ms(5);
								PORTB = 1 << PINB6;
								_delay_ms(5);
								PORTB = 1 << PINB4;
								_delay_ms(5);
								PORTB = 1 << PINB6;
								_delay_ms(2);
								PORTB = 1 << PINB4;
								_delay_ms(2);
								PORTB = 1 << PINB5;
								_delay_ms(2);
								PORTB = 1 << PINB2;
								_delay_ms(2);
								PORTB = 1 << PINB1;
								_delay_ms(2);
								PORTB = 1 << PINB0;
								_delay_ms(2);
								PORTB = 1 << PINB1;
								_delay_ms(2);
								PORTB = 1 << PINB7;
								_delay_ms(2);
								
							}
							if (ButtonPressed == 1) 
							{
								PORTD = 1 << PIND0;
								_delay_ms(5);
								PORTD = 1 << PIND1;
								_delay_ms(5);
								PORTD = 1 << PIND2;
								_delay_ms(5);
								PORTD = 1 << PIND3;
								_delay_ms(5);
								PORTD = 1 << PIND4;
								_delay_ms(5);
								PORTD = 1 << PIND5;
								_delay_ms(5);
								PORTD = 1 << PIND6;
								_delay_ms(5);
								PORTD = 1 << PIND7;
								_delay_ms(5);
								PORTD = 1 << PIND7;
								_delay_ms(5);
								PORTD = 1 << PIND6;
								_delay_ms(2);
								PORTD = 1 << PIND5;
								_delay_ms(2);
								PORTD = 1 << PIND4;
								_delay_ms(2);
								PORTD = 1 << PIND3;
								_delay_ms(2);
								PORTD = 1 << PIND2;
								_delay_ms(2);
								PORTD = 1 << PIND1;
								_delay_ms(2);
								PORTD = 1 << PIND0;
								_delay_ms(2);	
							}
							
							
						}
						
						LEDNumber[0] = 0;
						LEDNumber[1] = 0;
						PORTB = 0b10000000;
						PORTA = 0b00000111;
						PORTD = 0b00000000;
					}
					}
					Pressed_Confidence_Level[ButtonPressed] = 0;
			}

}


void ProcessReleasedButton(int ButtonReleased)
{
	Released_Confidence_Level[ButtonReleased] ++;
	if (Released_Confidence_Level[ButtonReleased] > 500)
	{
		Pressed[ButtonReleased] = 0;
		Released_Confidence_Level[ButtonReleased] = 0;
	}
}


void LED_SPEED()
{

	PORTB = 0b10000000;
	PORTD = 0b00000000;
	int delay = 100;
	
    
    initialize_adc();
	LEDNumber[1] = 0;
	
	
				
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(3);
				}
			

    while(1)
    {
	

				
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(3);
				}
        adc_result0 = read_adc_value(0);      
		
		delay = adc_result0 / 8;
		
        if(adc_result0 <= 100)
		{
			delay = adc_result0 / 1.5;
		}

		
		LEDNumber[0]++;
		PORTB = 1 << LEDNumber[0];
		_delay_ms(delay);
		
		if(LEDNumber[0] > 6)
		{ 
			LEDNumber[1] = 7;
			PORTD = 0x00;
			LEDNumber[0] = 0;
			
	
		
				
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(3);
				}
			
			
			for(int i = 0; LEDNumber[1] > i; LEDNumber[1] --)
			{
	

				
				if(bit_is_clear(PINA, 2))
				{
					PORTA = 0b00000111;
					ModeChange(3);
				}
			
				
				PORTD = 1 << LEDNumber[1];
				_delay_ms(delay);
				}
				
					PORTD = 0x00;
					PORTB = 0b10000000;
					LEDNumber[1] = 7;
					LEDNumber[0] = -1;
					
					PORTB = 1 << LEDNumber[0];
				
			
		}
	
    }
}