//-------------------------------------------------------------------------
void LCD_Display(char* Text1, int play_speed) {
char parsed_text[12];
char Text2[16] = { 0 };
int i;
for (i = 0; i < 11; i++) {
parsed_text[i] = Text1[i];
}
parsed_text[11] = '\0';
switch (play_speed) {
case DOUBLE:
strcpy(Text2, "Double Speed");
break;
case HALF:
strcpy(Text2, "Half Speed");
break;
case DELAY:
strcpy(Text2, "Delay");
break;
case REVERSE:
strcpy(Text2, "Reverse");
break;
case NORMAL:
strcpy(Text2, "Normal Speed");
break;
}
LCD_Init();
LCD_Show_Text(parsed_text);
LCD_Line2();
LCD_Show_Text(Text2);
}
//-------------------------------------------------------------------------
void LCD_Test() {
char Text1[16] = "1234567890 ABCD!";
char Text2[16] = "dcba 0987654321!";
// Initial LCD
LCD_Init();
// Show Text to LCD
LCD_Show_Text(Text1);
// Change Line2
LCD_Line2();
// Show Text to LCD
LCD_Show_Text(Text2);
}
//-------------------------------------------------------------------------
void LCD_File_Buffering(char* Text) {
char parsed_text[12];
char Text2[16] = { "Buffering" };
int i;
for (i = 0; i < 11; i++) {
parsed_text[i] = Text[i];
}
parsed_text[11] = '\0';
LCD_Init();
LCD_Show_Text(parsed_text);
LCD_Line2();
LCD_Show_Text(Text2);
}
void printLCD(char *first, char * second){
LCD_Init();
LCD_Show_Text(first);
LCD_Line2();
LCD_Show_Text(second);
}
int main(void)
{
//LCD_begin();
UINT16 i=0,temporary1,temporary2,song_num=0,song_position=0,k,key,key2,key3,key4,sw[17],sw0,sw1,clupsec_num,data_sector;
UINT16 back[2]={0},num_lyric,num_music,num_lyrics,time_base,j_base,base,fat_addr,cluster_num;
UINT32 j;
unsigned int cl[3000];
BYTE Buffer[512]={0};
while(SD_card_init()) // wait for the card to be inserted
usleep(500000);
LCD_begin();
struct music0 music[30];
struct lyric0 lyric[30];
struct lyrics0 lyrics;
char title[2][18]={" Press KEY1 to ",
" select a song "};
char text[2][16]={"songs",
"lyrics"};
char wait[16]="loading";
file_list(music,lyric,&num_music,&num_lyric,&clupsec_num, &data_sector,&fat_addr); // search and update the database from the SD card
sw1=IORD(SW_BASE,0);
back[0]=sw1&0x20000;
while(1)
{
IOWR(SEG7_BASE,0,0);
sw0=IORD(SW_BASE,0);
sw0=sw0&0x07;
sw[0]=sw0&0x01;
sw[1]=sw0&0x02;
sw[2]=sw0&0x04;
if(!sw0)
{
LCD_Init();
LCD_Show_Text(title[0]);
lcd_write_command(LCD_BASE,0xC0);
LCD_Show_Text(title[1]);
while(1)
{
key=IORD(KEY_BASE,0); // wait till key2 is pressed
key2=~key&0x02;
if(key2)
break;
}
LCD_Init();
lcd_write_command(LCD_BASE,0x80);
usleep(100);
lcd_write_data(LCD_BASE,(char)(num_music/10+0x30)); // display the number of wav files
usleep(100);
lcd_write_data(LCD_BASE,(char)(num_music%10+0x30));
usleep(100);
for(i=0;i<5;i++)
{
lcd_write_data(LCD_BASE,text[0][i]);
usleep(100);
}
lcd_write_command(LCD_BASE,0xc0);
usleep(100);
lcd_write_data(LCD_BASE,(char)(num_lyric/10+0x30)); // display the number of lysic files
usleep(100);
lcd_write_data(LCD_BASE,(char)(num_lyric%10+0x30));
usleep(100);
for(i=0;i<6;i++)
{
lcd_write_data(LCD_BASE,text[1][i]);
usleep(100);
}
usleep(1000000);
while(1)
{
show_name(music[song_num].m_name);
key=IORD(KEY_BASE,0);
key=~key&0x0e;
if(key)
{
key2=key&0x02;
key3=key&0x04;
key4=key&0x08;
if(key2)
break;
else if(key3)
{
song_num=(song_num+1)%num_music; // next song
}
else if(key4)
{
song_num=(song_num+num_music-1)%num_music; // previous song
}
else
;
}
time(0,song_num+1,num_music);
}
}
else if(sw[0]) {
song_num=(song_num+1)%num_music; // continuous
time(0,song_num+1,num_music);
}
else if(sw[1]) {
song_num+=0;
time(0,song_num+1,num_music); // repeat the song
}
else if(sw[2])
{
song_num=(num_lyrics+temporary1+temporary2+music[song_num].m_name[0])%num_music; // random play
time(0,song_num+1,num_music);
}
LCD_Init();
LCD_Show_Text(wait);
num_lyrics=read_lyrics(music[song_num].m_name,lyric,&lyrics,num_lyric,&clupsec_num, &data_sector); //lyrics
cl[0]=music[song_num].cluster;
find_cluster(song_num,fat_addr,cl);
for(i=0;cl[i]>1;i++);
cluster_num=i;
show_name(music[song_num].m_name); // show the name of the song
for(song_position=0;song_position<cluster_num;song_position++)
{
base=(cl[song_position]-2)*clupsec_num+data_sector;
j_base=song_position*clupsec_num-base;
sw1=IORD(SW_BASE,0);
sw[4]=sw1&0x10;
sw[5]=sw1&0x20;
sw[6]=sw1&0x40;
back[1]=sw1&0x20000;
if(back[1]!=back[0])
{
back[0]=back[1];
break;
}
if(sw[4])
{
song_position=(song_position+4)%cluster_num;
time(song_position*clupsec_num,song_num+1,num_music); // fast forward
usleep(20000);
continue;
}
else if(sw[6])
{
song_position=(song_position+cluster_num-4)%cluster_num;
time(song_position*clupsec_num,song_num+1,num_music); // pause
usleep(20000);
continue;
}
else if(sw[5])
{
song_position=(song_position+cluster_num-1)%cluster_num; // reverse
usleep(20000);
continue;
}
for(j=base;j<base+clupsec_num;j++) //j is the section in the cluster
{
SD_read_lba(Buffer,j,1); // read function from SD card controller.c
i=0;
while(i<512)
{
if(!IORD(AUDIO_BASE,0))
{
temporary1=((Buffer[i+1]<<8)|Buffer[i]); // read from SD card
IOWR(AUDIO_BASE,0,temporary1);
i+=2;
}
}
if(j%32==0)
{
unsigned int x=0;
unsigned int y=0xffff;
unsigned int z = temporary1;
do
{
x++;
z=z<<1;
}while((z & 0x8000)==0);
y=y>>x;
IOWR(LEDR_BASE,0,y);
IOWR(LEDG_BASE,0,z);
}
/********************************************************************/
time(j+j_base,song_num+1,num_music); //display time
for(k=0;k<num_lyrics;k++) //display lyric
{
time_base=j_base-lyrics.time[k]-2;
if(j+j_base==lyrics.time[k])
{
lcd_write_command(LCD_BASE,0x80);
break;
}
else if(j+j_base==lyrics.time[k]+36)
{
lcd_write_command(LCD_BASE,0xc0);
break;
}
else if(j%2==0&&(j+j_base>=lyrics.time[k]+2)&&(j+j_base<=lyrics.time[k]+34))
{
lcd_write_data(LCD_BASE,lyrics.text[k][(j+time_base)/2]);
break;
}
else if(j%2==0&&(j+j_base>=lyrics.time[k]+38)&&(j+j_base<lyrics.time[k]+70))
{
lcd_write_data(LCD_BASE,lyrics.text[k][(j+time_base)/2-2]);
break;
}
}
}
}
}
