AA

**************************************************************************
//
//               Demo program for labs
//
// Subject:      Computer Architectures and Parallel systems
// Author:       Petr Olivka, petr.olivka@vsb.cz, 09/2019
// Organization: Department of Computer Science, FEECS,
//               VSB-Technical University of Ostrava, CZ
//
// File:         Demo program
//
// **************************************************************************

#include "mbed.h"

//void demo_leds();
//void demo_lcd();
//void demo_i2c();

// DO NOT REMOVE OR RENAME FOLLOWING GLOBAL VARIABLES!!

// Serial line for printf output
Serial g_pc(USBTX, USBRX);

// LEDs on K64F-KIT - instances of class DigitalOut
/*DigitalOut g_led1(PTA1);
DigitalOut g_led2(PTA2);

// Buttons on K64F-KIT - instances of class DigitalIn
DigitalIn g_but9(PTC9);
DigitalIn g_but10(PTC10);
DigitalIn g_but11(PTC11);
DigitalIn g_but12(PTC12);*/

//Inicialization of leds
DigitalOut l_b(PTB2);
DigitalOut l_g(PTB3);
DigitalOut l_r(PTB9);
DigitalOut r_b(PTB11);
DigitalOut r_g(PTB18);
DigitalOut r_r(PTB19);

//Inicialization of buttons
DigitalIn g_swi1(PTC9);
DigitalIn g_swi2(PTC10);
DigitalIn g_swi3(PTC11);
DigitalIn g_swi4(PTC12);
unsigned int c = 0;
//unsigned int changed[8] ={0, 0, 0, 0, 0, 0, 0, 0};
//unsigned int choosen_led = 0;
unsigned int switch_pressed = 0;
unsigned int b[3] = { 100, 100,100 };
unsigned int choosen_colour = 0;





void count()
{
	c++;
}

void bright(DigitalOut led_l, DigitalOut led_r, unsigned int i)
{
	if ((c % 100)<b[i])
		led_l = 1;
	else
		led_l = 0;
	if ((c % 100)<(100 - b[i]))
		led_r = 1;
	else
		led_r = 0;
}



void swi()
{
	if (g_swi1 == 0 && g_swi2 == 1)
	{
		choosen_colour = 0; //blue
		switch_pressed = c;
	}
	else if (g_swi2 == 0 && g_swi1 == 1)
	{
		choosen_colour = 1; //green
		switch_pressed = c;

	}
	else if (g_swi2 == 0 && g_swi1 == 0)
	{
		choosen_colour = 2; //red
		switch_pressed = c;

	}
	else if (g_swi3 == 0 && b[choosen_colour]>0)
	{
		b[choosen_colour] = b[choosen_colour] - 10; // lower brightness on left led
		switch_pressed = c;

	}
	else if (g_swi4 == 0 && b[choosen_colour]<100)
	{
		b[choosen_colour] = b[choosen_colour] + 10; // raise brightness on left led
		switch_pressed = c;

	}



}
void bright2(unsigned int perc, DigitalOut led)
{
	if ((c % 100)<perc)
		led = 1;
	else
		led = 0;

}

void Orange(DigitalOut R, DigitalOut G, DigitalOut B)
{

	R = bright2(100, R);
	G = bright2(27, G);
	B = bright2(0, B);


}

int main()
{


	Ticker t1;


	DigitalOut l[3] = { l_b, l_g, l_r };
	DigitalOut r[3] = { r_b, r_g, r_r };


	t1.attach_us(callback(count), 100);


	while (1)
	{



		//for (int i = 0; i <3; i++)
		//{
		Orange(l[2], l[1], l[0]);
		Orange(r[2], r[1], r[0]);


		//}


		if ((switch_pressed + 1000) < c)
			swi();


	}


}