// first file is at index 1
char* file_at_index(int index) {
static char name[13];
card.reset_dir();
while (index) {
if (!card.get_next_name_in_dir(name)) {
card.reset_dir();
return NULL;
}
index--;
}
return name;
}
void ls() {
char name[13];
int ret;
card.reset_dir();
putstring_nl("Files found:");
while (1) {
ret = card.get_next_name_in_dir(name);
if (!ret) {
card.reset_dir();
return;
}
Serial.println(name);
}
}
void loop() {
uint8_t i, r;
char c, name[15];
card.reset_dir();
// scroll through the files in the directory
for (i=0; i<tracknum+1; i++) {
r = card.get_next_name_in_dir(name);
if (!r) {
// ran out of tracks! start over
tracknum = 0;
return;
}
}
putstring("\n\rPlaying "); Serial.print(name);
// reset the directory so we can find the file
card.reset_dir();
playcomplete(name);
tracknum++;
}
void loop() {
if (!wave.isplaying) {
// dump to the serial port just for grins
ls();
delay (1000);
char * filename = file_at_index(last_played);
if (filename == NULL) {
last_played = 1;
} else {
Serial.print("Playing file");
Serial.println(filename);
card.reset_dir();
playfile(filename);
last_played++;
}
}
}