rpi0-oled-mp3.h

/*
 * header file for lcd-mp3.c
 *
 * John Wiggins
 */

// for thread
#include <pthread.h>
// for mp3 playing
#include <ao/ao.h>
#include <mpg123.h>
// for id3
#include <sys/types.h>

// # defines:
#ifndef	TRUE
#  define	TRUE	(1==1)
#  define	FALSE	(1==2)
#endif

#define MAXDATALEN 256

// Mount enum
typedef enum {
	UNMOUNTED,
	FILES_OK,
	MOUNT_ERROR,
	NO_FILES
} filestatus_enum;

typedef enum {
	TITLE,
	ARTIST,
	GENRE,
	ALBUM,
    YEAR,
	BASE_FILENAME,
	FILENAME
} song_enum; 

typedef enum {
	PLAY,
	PREV,
	NEXT,
	PAUSE,
	INFO,
	STOP,
	SHUFFLE,
	QUIT
} status_enum;

// playlist
typedef struct playlist_node {
  int index;
  void *songptr;
  struct playlist_node *nextptr;
} playlist_node_t;

typedef playlist_node_t *playlist_t;

struct song_info {
	char base_filename[MAXDATALEN];
	char filename[MAXDATALEN];
	char title[MAXDATALEN];
	char artist[MAXDATALEN];
	char genre[MAXDATALEN];
	char album[MAXDATALEN];
	char year[MAXDATALEN];
	char prevTitle[MAXDATALEN];
	char prevArtist[MAXDATALEN];
	char FirstRow_text[MAXDATALEN];
	char SecondRow_text[MAXDATALEN];
	char scroll_FirstRow[32];
	char scroll_SecondRow[32];
	int song_number;
	int song_over;
	int play_status;
	pthread_mutex_t pauseMutex;
	pthread_mutex_t writeMutex;
	pthread_cond_t m_resumeCond;
}; struct song_info cur_song;

// TODO use this somewhere... because right now it's not being used.
struct play_status {
	int is_playing;
	int is_paused;
	int is_stopped;
	int song_over;
}; struct play_status cur_status;

// Musical note char for LCD
static unsigned char musicNote[8] = {
	0b01111,
	0b01001,
	0b01001,
	0b11001,
	0b11011,
	0b00011,
	0b00000,
	0b00000,
};

// Spaces is used by the LCD display for scrolling
                           //12345678901234567890
static const char *spaces = "                    ";

// Global lcd handle:
//static int lcdHandle;

// Global vars
int num_songs; // current number of songs.