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/*
 * "Hello World" example.
 *
 * This example prints 'Hello from Nios II' to the STDOUT stream. It runs on
 * the Nios II 'standard', 'full_featured', 'fast', and 'low_cost' example
 * designs. It runs with or without the MicroC/OS-II RTOS and requires a STDOUT
 * device in your system's hardware.
 * The memory footprint of this hosted application is ~69 kbytes by default
 * using the standard reference design.
 *
 * For a reduced footprint version of this template, and an explanation of how
 * to reduce the memory footprint for a given application, see the
 * "small_hello_world" template.
 *
 */
#include <stdio.h>
#include <io.h>
#include <system.h>
//#include "alt_types.h"
#include "sys/alt_irq.h"
#include <unistd.h>
#include "sys/alt_alarm.h"

struct interrupt_data {
	volatile int* leds_addr;
	volatile int* sliders_addr;
	volatile int* hex_addr;
};
/* Przełączniki */
#define  SW0 0x00000001
#define  SW1 0x00000002
#define  SW2 0x00000004
#define  SW3 0x00000008
#define  SW4 0x00000010
#define  SW5 0x00000020
#define  SW6 0x00000040
#define  SW7 0x00000080
#define  SW8 0x00000100
#define  SW9 0x00000200
#define  SW10 0x00000400
#define  SW11 0x00000800
#define  SW12 0x00001000
#define  SW13 0x00002000
#define  SW14 0x00004000
#define  SW15 0x00008000
#define  SW16 0x00010000
#define  SW17 0x00020000

/* PushButtony */
#define  KEY1 0x00000002
#define  KEY2 0x00000004
#define  KEY3 0x00000008

/* Ledy */
#define  LED0 0x00000001
#define  LED1 0x00000002
#define  LED2 0x00000004
#define  LED3 0x00000008
#define  LED4 0x00000010
#define  LED5 0x00000020
#define  LED6 0x00000040
#define  LED7 0x00000080
#define  LED8 0x00000100
#define  LED9 0x00000200
#define  LED10 0x00000400
#define  LED11 0x00000800
#define  LED12 0x00001000
#define  LED13 0x00002000
#define  LED14 0x00004000
#define  LED15 0x00008000
#define  LED16 0x00010000
#define  LED17 0x00020000

/* Segmenty HEX */
#define  SEGA 1
#define  SEGB 2
#define  SEGC 4
#define  SEGD 8
#define  SEGE 16
#define  SEGF 32
#define  SEGG 64

/* Litery i cyfry z hex 7 segmentowych */
#define HEX0 (SEGA|SEGB|SEGC|SEGD|SEGE|SEGF)
#define HEX1 (SEGB|SEGC)
#define HEX2 (SEGA|SEGB|SEGG|SEGE|SEGD)
#define HEX3 (SEGA|SEGB|SEGC|SEGD|SEGG)
#define HEX4 (SEGF|SEGG|SEGB|SEGC)
#define HEX5 (SEGA|SEGF|SEGG|SEGC|SEGD)
#define HEX6 (SEGA|SEGF|SEGG|SEGC|SEGD|SEGE)
#define HEX7 (SEGA|SEGB|SEGC)
#define HEX8 (SEGA|SEGB|SEGC|SEGD|SEGE|SEGF|SEGG)
#define HEX9 (SEGA|SEGB|SEGC|SEGD|SEGF|SEGG)
#define HEXE (SEGA|SEGF|SEGG|SEGE|SEGD)
#define HEXr (SEGE|SEGG)
#define HEXA (SEGA|SEGB|SEGC|SEGE|SEGF|SEGG)
#define HEXF (SEGA|SEGE|SEGF|SEGG)
#define HEXC (SEGA|SEGE|SEGF|SEGD)
#define HEXD (SEGB|SEGC|SEGD|SEGE|SEGG)


int main() {
	volatile int *leds = (int *) LEDS_RED_BASE;
	volatile int *sliders = (int *) SW_SLIDERS_BASE;;

	IOWR(LEDS_RED_BASE, 0, 0x00);

	struct interrupt_data data;

	data.leds_addr = leds;
	data.sliders_addr = sliders;

	int SW1on, SW1off, SW2on, SW2off, SW3on, SW3off, SW4on, SW4off, SW5on,
			SW5off = 0;
	int SWon, lastCase;

	while (1) {

		volatile int sw_state = IORD(data.sliders_addr, 0);

		switch (sw_state) {
		case (0):
			if ((alt_nticks() - SWon >= 2 * alt_ticks_per_second())
					&& lastCase != 6) {
				IOWR(LEDS_RED_BASE, 0, 0x00);
			} else if ((alt_nticks() - SWon >= 3 * alt_ticks_per_second())
					&& lastCase == 6) {
				IOWR(LEDS_RED_BASE, 0, 0x00);

			}
			SW1off = alt_nticks();
			SW5off = alt_nticks();
			SW2off = alt_nticks();
			SW3off = alt_nticks();
			SW4off = alt_nticks();
			lastCase = 0;
			break;
		case (1):
			if (alt_nticks() - SW1off >= 1 * alt_ticks_per_second()) {
				IOWR(data.leds_addr, 0, LED0);
			}
			SWon = alt_nticks();
			lastCase = 1;
			break;
		case (2):
			if (alt_nticks() - SW2off >= 1 * alt_ticks_per_second()) {
				IOWR(data.leds_addr, 0, LED1);
			}
			SWon = alt_nticks();
			lastCase = 2;
			break;
		case (4):
			if (alt_nticks() - SW3off >= 1 * alt_ticks_per_second()) {
				IOWR(data.leds_addr, 0, LED2);
			}
			SWon = alt_nticks();
			lastCase = 3;
			break;
		case (8):
			if (alt_nticks() - SW4off >= 1 * alt_ticks_per_second()) {
				IOWR(data.leds_addr, 0, LED3);
			}
			SWon = alt_nticks();
			lastCase = 4;
			break;
		case (16):
			if (alt_nticks() - SW5off >= 1 * alt_ticks_per_second()) {
				IOWR(data.leds_addr, 0, LED4);
			}
			SWon = alt_nticks();

			lastCase = 5;
			break;
		case (32):
			IOWR(data.leds_addr, 0, LED17);
			break;
		default:
			if (alt_nticks() - SWon >= 1 * alt_ticks_per_second()) {
				IOWR(data.leds_addr, 0, LED17);
			}
			if (alt_nticks() - SWon >= 3 * alt_ticks_per_second()) {
				lastCase = 6;
			}
			break;
		}
	}

	return 0;
}