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begin
   remote = *
   button = KEY_VOLUMEUP
   prog   = irexec
   config = amixer set PCM 300+ unmute
   repeat = 1
end
begin
   remote = *
   button = KEY_VOLUMEDOWN
   prog   = irexec
   config = amixer set PCM 300- unmute
   repeat = 1
end
begin
   remote = *
   button = KEY_MUTE
   prog   = irexec
   config = amixer set PCM mute
   repeat = 0
end

begin
  remote = *
  button = KEY_PLAY
  prog = irexec 
  config = echo "ok" > /tmp/radio.txt
end

begin
  remote = *
  button = KEY_LEFT
  prog = irexec
  config = echo "vlevo" > /tmp/radio.txt
end

begin
  remote = *
  button = KEY_RIGHT
  prog = irexec
  config = echo "vpravo" > /tmp/radio.txt
end

begin
  remote = *
  button = KEY_POWER
  prog = irexec
  config = echo "vypnout" > /tmp/radio.txt
end

#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <time.h>
#include "pifacecad.h"

#define VERZE		"0"
#define PODVERZE	"4"
#define MAX_RETEZEC	255
#define MAX_RETEZEC_S   " %255s"
#define CEKANI		5
#define KONFIGURACE	"/etc/radio/config.txt"
#define STANICE		"/etc/radio/stanice.txt"
#define TLACITKO_1	0
#define TLACITKO_2	1
#define TLACITKO_3	2
#define TLACITKO_4	3
#define TLACITKO_MENU	4
#define JOISTICK_LEFT	6
#define JOISTICK_RIGHT	7
#define JOISTICK_OK	5
#define PREHRAVAC_PRIKAZY ovladani_prehravace
#define PREHRAVAC	"mplayer -slave --really-quiet "

#define ZAKMIT_MS	50
#define SLEEP_TLACITKA	300

// nazvy uzivatelskych znaků lcd
# define ZNAK_PLAY 0
# define ZNAK_PAUSE 1
# define ZNAK_INFO 2
# define ZNAK_MUSIC 3


char stanice_stream[MAX_RETEZEC];
char stanice_popis[MAX_RETEZEC];
int p_play=1;
FILE *PREHRAVAC_PRIKAZY;

void sleep_ms(int milliseconds) 
{
    struct timespec ts;
    ts.tv_sec = milliseconds / 1000;
    ts.tv_nsec = (milliseconds % 1000) * 1000000;
    nanosleep(&ts, NULL);
}

void play(char *adresa, char *text)
{
fprintf(PREHRAVAC_PRIKAZY, "loadfile %s\n", adresa);
fflush(PREHRAVAC_PRIKAZY);
pifacecad_lcd_clear();
if(p_play==1) 
{
  pifacecad_lcd_write_custom_bitmap(ZNAK_PLAY);
  pifacecad_lcd_write(" Play ");
  pifacecad_lcd_write_custom_bitmap(ZNAK_MUSIC);
  pifacecad_lcd_write("\n");
}
else 
{
 pifacecad_lcd_write_custom_bitmap(ZNAK_PAUSE);
 pifacecad_lcd_write(" Pause \n");
}
pifacecad_lcd_write_custom_bitmap(ZNAK_INFO);
pifacecad_lcd_write(" ");
pifacecad_lcd_write(text);
}


void pauza(void)
{
if (p_play==1)
 {
  fprintf(PREHRAVAC_PRIKAZY, "pause\n");
  fflush(PREHRAVAC_PRIKAZY);
  pifacecad_lcd_home();
  pifacecad_lcd_write_custom_bitmap(ZNAK_PAUSE);
  pifacecad_lcd_write(" Pause \n");
  p_play=0;
 }
else 
 {
  fprintf(PREHRAVAC_PRIKAZY, "pause\n");
  fflush(PREHRAVAC_PRIKAZY);
  pifacecad_lcd_home();
  pifacecad_lcd_write_custom_bitmap(ZNAK_PLAY);
  pifacecad_lcd_write(" Play ");
  pifacecad_lcd_write_custom_bitmap(ZNAK_MUSIC);
  pifacecad_lcd_write("\n");
  p_play=1;
 }

}


void error_lcd(char *error_text)
{
pifacecad_lcd_clear();
pifacecad_lcd_write("ERROR: ");
pifacecad_lcd_write(error_text);
sleep(CEKANI);
pifacecad_lcd_clear();
}


void nacti_stanici(int stanice)
{
FILE *stanice_soubor;
int i;

if ((stanice_soubor = fopen(STANICE,"rt")) == NULL) {
    error_lcd("Nelze otevrit soubor se stanicemi!");
    pifacecad_close();
    exit(1);
}

for (i=0; i<=stanice; i++)
{
stanice_popis[MAX_RETEZEC - 1]='\0';
stanice_stream[MAX_RETEZEC - 1]='\0';

fgets(stanice_popis, MAX_RETEZEC - 1, stanice_soubor);
fgets(stanice_stream, MAX_RETEZEC - 1, stanice_soubor);
}

if (feof(stanice_soubor))
 {
   stanice_popis[0]='\n';
   stanice_stream[0]='\n';
 }

fclose(stanice_soubor);
}

int main ()
{

int stanice;
int i;
int c;
int tlacitko;
FILE *soubor;
char buffer[MAX_RETEZEC];

// uživatelské znaky do LCD
uint8_t play_symbol[] = {0x10, 0x18, 0x1c, 0x1e, 0x1c, 0x18, 0x10, 0x0};
uint8_t pause_symbol[] = {0x0, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x0, 0x0};
uint8_t info_symbol[] = {0x6, 0x6, 0x0, 0x1e, 0xe, 0xe, 0xe, 0x1f};
uint8_t music_symbol[] = {0x2, 0x3, 0x2, 0x2, 0xe, 0x1e, 0xc, 0x0};


// inicializace LCD
	pifacecad_open();
	pifacecad_lcd_clear();
	pifacecad_lcd_blink_off();
	pifacecad_lcd_cursor_off();
	pifacecad_lcd_left_to_right();
	pifacecad_lcd_backlight_on();


// nahrání uživatelských symbolů....
        pifacecad_lcd_store_custom_bitmap(ZNAK_PLAY, play_symbol);
        pifacecad_lcd_store_custom_bitmap(ZNAK_PAUSE, pause_symbol);
        pifacecad_lcd_store_custom_bitmap(ZNAK_INFO, info_symbol);
        pifacecad_lcd_store_custom_bitmap(ZNAK_MUSIC, music_symbol);

// test znaků....
/*
        pifacecad_lcd_write_custom_bitmap(ZNAK_PLAY);
        pifacecad_lcd_write_custom_bitmap(ZNAK_PAUSE);
        pifacecad_lcd_write_custom_bitmap(ZNAK_INFO);
        pifacecad_lcd_write_custom_bitmap(ZNAK_MUSIC);
        sleep(10);
*/


// zobrazení programu
//        pifacecad_lcd_write_custom_bitmap(ZNAK_MUSIC);
	pifacecad_lcd_write(" Program radio");
//        pifacecad_lcd_write_custom_bitmap(ZNAK_MUSIC);
	pifacecad_lcd_write("\n v ");
	pifacecad_lcd_write(VERZE);
	pifacecad_lcd_write(".");
	pifacecad_lcd_write(PODVERZE);
	sleep(CEKANI);

// vlastní menu - play

nacti_stanici(0);
strncpy(buffer, PREHRAVAC, MAX_RETEZEC - 1 );
buffer[MAX_RETEZEC - 1]='\0';
strncat(buffer, stanice_stream, MAX_RETEZEC - strlen(buffer) -1);

if ((PREHRAVAC_PRIKAZY=popen(buffer, "w")) == NULL)
 {
  perror("popen");
  exit(1);
 }

play(stanice_stream, stanice_popis);

while (1) 
   {
     sleep_ms(SLEEP_TLACITKA);
     tlacitko=0;
     if ((soubor = fopen("/tmp/radio.txt","rt")) != NULL)
       { 
         fscanf(soubor, MAX_RETEZEC_S, buffer);
         fclose(soubor);
         unlink("/tmp/radio.txt");
         if(strcmp(buffer, "vlevo")==0) tlacitko=JOISTICK_LEFT;
	 if(strcmp(buffer, "vpravo")==0) tlacitko=JOISTICK_RIGHT;
         if(strcmp(buffer, "ok")==0) tlacitko=JOISTICK_OK;
         if(strcmp(buffer, "vypnout")==0) tlacitko=TLACITKO_MENU;

//printf("tlacitko je %i \n", tlacitko);
       
}

// zatím se to zde vypne (ukončí nekonečná smyčka) - později bude přidáno menu.....
     if (pifacecad_read_switch(TLACITKO_MENU)==0 || tlacitko==TLACITKO_MENU) break;

// hlavní ovládání přehrávání
     if (pifacecad_read_switch(JOISTICK_OK)==0 || tlacitko==JOISTICK_OK)
	 {
          pauza();
          while (pifacecad_read_switch(JOISTICK_OK)==0) sleep_ms(ZAKMIT_MS);
	 }

     if (pifacecad_read_switch(JOISTICK_LEFT)==0 || tlacitko==JOISTICK_LEFT)
         {
	 stanice--;
         if (stanice < 0) stanice=0;
         nacti_stanici(stanice);
         play(stanice_stream, stanice_popis);
         while (pifacecad_read_switch(JOISTICK_LEFT)==0) sleep_ms(ZAKMIT_MS);
         }

     if (pifacecad_read_switch(JOISTICK_RIGHT)==0 || tlacitko==JOISTICK_RIGHT)
         {
         stanice++;
         nacti_stanici(stanice);
         if (stanice_stream[0]=='\n')
           {
             stanice--;
             nacti_stanici(stanice);
           }
         play(stanice_stream, stanice_popis);
         while (pifacecad_read_switch(JOISTICK_RIGHT)==0) sleep_ms(ZAKMIT_MS);
         }
      }

// konec programu uklid
	pifacecad_lcd_clear();
	pifacecad_lcd_write("Ukoncuji program");
// ukončení prehrávače
        fprintf(PREHRAVAC_PRIKAZY, "stop\n");
        fflush(PREHRAVAC_PRIKAZY);
        pclose(PREHRAVAC_PRIKAZY);

	sleep(CEKANI);
	pifacecad_lcd_backlight_off();
        pifacecad_lcd_clear();
	pifacecad_close();
return 0;
}