//Setups up required aspects for the program to run.
void Setup(){
SD_card_init();
init_mbr();
init_bs();
init_audio_codec();
IOWR(BUTTON_PIO_BASE, 2, 0xf);
IOWR(BUTTON_PIO_BASE, 3, 0x0);
alt_irq_register(BUTTON_PIO_IRQ, (void*)0, button_ISR);
}
void Test_SDI(void)
{
ULONG save_rGPEUP, save_rGPECON;
RCA=0;
MMC=0;
block=3072; //3072Blocks=1.5MByte, ((2Block=1024Byte)*1024Block=1MByte)
save_rGPEUP=rGPEUP;
save_rGPECON=rGPECON;
rGPEUP = 0xf83f; // SDCMD, SDDAT[3:0] => PU En.
rGPECON = 0xaaaaaaaa; //SDCMD, SDDAT[3:0]
Uart_Printf("\nSDI Card Write and Read Test\n");
if(!SD_card_init())
return;
TR_Buf_new();
Wt_Block();
Rd_Block();
View_Rx_buf();
if(MMC)
TR_Buf_new();
if(MMC)
{
rSDICON |=(1<<5); // YH 0519, MMC Type SDCLK
Wt_Stream();
Rd_Stream();
View_Rx_buf();
}
Card_sel_desel(0); // Card deselect
if(!CMD9())
Uart_Printf("Get CSD fail!!!\n");
rSDIDCON=0;//tark???
rSDICSTA=0xffff;
rGPEUP=save_rGPEUP;
rGPECON=save_rGPECON;
}
int init_system(void){
if (SD_card_init() != 0) {
perror("SD card initialization failed.");
return(-1);
}
if (init_mbr() != 0) {
perror("MBR initialization failed.");
return(-1);
}
if (init_bs() != 0) {
perror("Boot sector initialization failed.");
return(-1);
}
init_audio_codec();
LCD_Init();
return(0);
}
void Test_SDI(void)
{
U32 save_rGPEUP, save_rGPECON;
RCA=0;
MMC=0;
block=3072; //3072Blocks=1.5MByte, ((2Block=1024Byte)*1024Block=1MByte)
save_rGPEUP=GPEUP;
save_rGPECON=GPECON;
GPEUP = 0xf83f; // SDCMD, SDDAT[3:0] => PU En.
GPECON = 0xaaaaaaaa; //SDCMD, SDDAT[3:0]
//Uart_Printf("\nSDI Card Write and Read Test\n");
if(!SD_card_init())
return;
TR_Buf_new();
Wt_Block();
Rd_Block();
View_Rx_buf();
Card_sel_desel(0); // Card deselect
if(!CMD9())
//Uart_Printf("Get CSD fail!!!\n");
SDIDCON=0;//tark???
SDICSTA=0xffff;
GPEUP=save_rGPEUP;
GPECON=save_rGPECON;
}
int main()
{
//Initialize Functions
SD_card_init();
init_mbr();
init_bs();
init_audio_codec();
//Setup Push Buttons
init_button_pio();
// Initialize Variables
bytePerCluster = BPB_BytsPerSec * BPB_SecPerClus;
//play_music(0 , 1);
//play_music(0 , 2);
//play_music(0 , 3);
//play_music(5 , 4);
stop_flag = 1;
file_number = 0;
init_music();
delay_cnt = 0;
delay_flag = 0;
while(1){
if(stop_flag == 0){
if(edge_capture == 0x01){
//stop music
stop_flag = 1;
}
else if(edge_capture == 0x02){
// play music
delay_cnt = 0;
delay_flag = 0;
play_type = IORD(SWITCH_PIO_BASE, 0) & 0x07;
LCD_Display(returnData.Name, play_type);
play_music(play_type);
}
else if(edge_capture == 0x04){
printf("File Number is %d\n",file_number);
init_music();
usleep(250000);
}
else if(edge_capture == 0x08){
if(file_number < 2 )
file_number = 0;
else
file_number -= 2;
init_music();
}
}
}
return 0;
}
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;
}
}
}
}
}
main()
{
uint32 idata Current_directory, Entry_clus;
uint16 idata i, num_entries, entry_num;
uint8 idata error_flag;
uint8 idata name_buf[8];
/////////////////////
// INIT
/////////////////////
AMBERLED=OFF;
YELLOWLED=OFF;
GREENLED=OFF;
REDLED = ON;
STA013_RESET=0;
i=0;
while(i<=60000) i++;
REDLED = OFF;
AUXR=0x0c; // make all of XRAM available
if(OSC_PER_INST==6)
{
CKCON0=0x01; // set X2 clock mode
}
else if(OSC_PER_INST==12)
{
CKCON0=0x00; // set standard clock mode
}
// Init LCD
LCD_Init();
LCD_Print(10, "Sys. Init.");
// UART Init
uart_init();
// I2C Test
printf("I2C Test Program\n\r\n\n");
error_flag=SPI_Master_Init(400000UL);
if(error_flag!=no_errors)
{
REDLED=ON;
while(1);
}
// SD Card Init
printf("SD Card Initialization ... \n\r");
error_flag=SD_card_init();
if(error_flag!=no_errors)
{
REDLED=ON;
while(1);
}
error_flag=SPI_Master_Init(20000000UL);
if(error_flag!=no_errors)
{
REDLED=ON;
while(1);
}
for(i=0;i<512;i++)
{
buf1[i]=0xff; // erase valout for debug
buf2[i]=0xff;
}
error_flag=Mount_Drive(buf1);
if(error_flag!=no_errors)
{
REDLED=ON;
while(1);
}
Current_directory=FirstRootDirSec_g;
// Init MP3 Decoder
STA013_init();
//////////////////
// Main Loop
//////////////////
while(1)
{
LCD_Write(COMMAND,clear_display);
DELAY_MS_T0(5);
LCD_Print(11, "Select Song");
printf("Directory Sector = %lu\n\r",Current_directory);
num_entries=Print_Directory(Current_directory, buf1);
printf("Enter Selection = ");
entry_num=(uint16)long_serial_input();
if(entry_num<=num_entries)
{
Entry_clus=Read_Dir_Entry(Current_directory, entry_num, buf1, name_buf);
if(Entry_clus&directory_bit)
{
Entry_clus&=0x0FFFFFFF;
Current_directory=First_Sector( Entry_clus );
}
else // File Selected
{
// Start OS to play song
seos_run( Entry_clus, name_buf );
}
}
else
{
printf("Invalid Selection\n\r");
}
}
}
