int main (void)
{
FRESULT res;
char *dir;
BYTE org_osc = OSCCAL;
MCUSR = 0;
WDTCR = _BV(WDE) | 0b110; /* Enable WDT reset in timeout of 1s */
PORTB = 0b101001; /* Initialize port: - - H L H L L P */
DDRB = 0b111110;
sei();
for (;;) {
if (pf_mount(&Fs) == FR_OK) { /* Initialize FS */
wdt_reset();
sendDiag(MOUNT_OK);
Buff[0] = 0;
if (!pf_open("osccal")) pf_read(Buff, 1, &rb); /* Adjust frequency */
OSCCAL = org_osc + Buff[0];
res = pf_opendir(&Dir, dir = "wav"); /* Open sound file directory */
if (res == FR_NO_PATH){
res = pf_opendir(&Dir, dir = ""); /* Open root directory */
sendDiag(OPEN_ROOT_DIR);
}
else{
sendDiag(OPEN_WAV_DIR);
}
while (res == FR_OK) { /* Repeat in the dir */
res = pf_readdir(&Dir, 0); /* Rewind dir */
while (res == FR_OK) { /* Play all wav files in the dir */
wdt_reset();
res = pf_readdir(&Dir, &Fno); /* Get a dir entry */
if (res || !Fno.fname[0]){
if(res) sendDiag(DIR_ERROR);
else sendDiag(END_OF_DIR);
break;
} /* Break on error or end of dir */
if (!(Fno.fattrib & (AM_DIR|AM_HID)) && strstr(Fno.fname, ".WAV")){
sendFilename(Fno.fname);
wdt_reset();
sendDiag(PLAY_SONG);
res = play(dir, Fno.fname); /* Play file */
}
sendDiag(FINISH);
}
}
}
else{
sendDiag(MOUNT_FAIL);
}
delay500();
}
}
int main (void)
{
FRESULT res;
char *dir;
BYTE org_osc = OSCCAL;
BYTE ndir = 0;
BYTE nskip = 0;
BYTE nplay = 0;
// MCUSR = 0;
WDTCR = _BV(WDE) | 0b110; /* Enable WDT reset in timeout of 1s */
PORTB = 0b101001; /* Initialize port: - - H L H L L P */
DDRB = 0b111110;
sei();
/*-----------------------------------------------------------------------*/
/* POWER ON and RESET */
ndir = eeprom_read_byte((uint8_t*)DIR_EEADR);
if(bit_is_set(MCUSR, PORF)) { // Power on - resume playback!
MCUSR = 0; // clear MCUSR
}
if(bit_is_set(MCUSR, WDRF)) { // WatchDog reset - on error!
MCUSR = 0; // clear MCUSR
if (ndir !=0) {
ndir = 0; // resetdirectory
nskip = 0; // resetdirectory
eeprom_write_byte ((uint8_t*)SKIP_EEADR, (uint8_t*) nskip);
eeprom_write_byte ((uint8_t*)DIR_EEADR, (uint8_t*) ndir);
// for (;;) {
// PORTB ^= _BV(PB1);
// delay_ms(200);
// wdt_reset();
// }
}
}
if(bit_is_set(MCUSR, EXTRF)) { // Reset button.
MCUSR = 0; // clear MCUSR
ndir++; // advance mode
// for (;;) {wdt_reset();}
wdt_reset();
if(ndir > MAX_DIR) {
ndir = 0; // resetdirectory
}
nskip = 0; // resetdirectory
eeprom_write_byte ((uint8_t*)SKIP_EEADR, (uint8_t*) nskip);
eeprom_write_byte ((uint8_t*)DIR_EEADR, (uint8_t*) ndir);
}
/*-----------------------------------------------------------------------*/
/* How many songs need to skip */
str[0] =48+ndir/10;
str[1] = 48+ndir%10;
str[2] = 0;
PLAYMOD=0;
if (pf_mount(&Fs) == FR_OK) { /* Initialize FS */
res = pf_opendir(&Dir, dir = str); /* Open sound file directory */
res = play(dir, "i"); /* Play intro file */
res = play(dir, "n"); /* Play name file */
/* PLAY mode 0 normal, 1 repeat loop, 2 only one file */
if (play(dir, "r") == FR_OK) {
PLAYMOD=1; //repeat loop
}
if (play(dir, "o") == FR_OK) {
PLAYMOD=2; //only one file
}
}
nskip = eeprom_read_byte((uint8_t*)SKIP_EEADR);
// FR_OK = 0
for (;;) {
if (pf_mount(&Fs) == FR_OK) { /* Initialize FS */
wdt_reset();
// Buff[0] = 0;
// if (!pf_open("osccal")) pf_read(Buff, 1, &rb); /* Adjust frequency */
// OSCCAL = org_osc + Buff[0];
res = pf_opendir(&Dir, dir = str); /* Open sound file directory */
if (res == FR_NO_PATH)
res = pf_opendir(&Dir, dir = ""); /* Open root directory */
while (res == FR_OK) { /* Repeat in the dir */
res = pf_readdir(&Dir, 0); /* Rewind dir */
nplay=0;
while (res == FR_OK) { /* Play all wav files in the dir */
wdt_reset();
res = pf_readdir(&Dir, &Fno); /* Get a dir entry */
if (res || !Fno.fname[0]) break; /* Break on error or end of dir */
if (!(Fno.fattrib & (AM_DIR|AM_HID)) && strstr(Fno.fname, ".WAV"))
if (nplay >= nskip) {
do {
res = play(dir, Fno.fname); /* Play file */
wdt_reset();
}
while (((PINB & 1) == 1) && (PLAYMOD == 1));
delay500(); /* Delay 500ms in low power sleep mode */
if (res == FR_OK) {
eeprom_write_byte ((uint8_t*)SKIP_EEADR, (uint8_t*) nplay+1);
nskip=0;
/* PLAY mode 0 normal, 1 repeat loop, 2 only one file */
// PORTB ^= _BV(PB1);
if (PLAYMOD == 2) {
do {
delay_ms(30);
wdt_reset(); }
while ((PINB & 1) == 1);
do {
delay_ms(50);
wdt_reset(); }
while ((PINB & 1) == 0);
delay_ms(500);
}
}
}
nplay++; // playing song nr
}
}
}
}
}
