int ascending (void) {
static int i;
scrBegin;
for (i=0; i<10; i++) {
scrReturn(i);
}
scrFinish(-1);
}
static State StatePlayTrack(StateAction action) {
scrDeclare;
static u8 trackNumber;
if (action == Enter) {
if (TrackNumber == 0) {
// Random track
trackNumber = GetRandomTrackNumber(NumTracks);
// trackNumber = 0;
} else {
// Predefined track
trackNumber = TrackNumber - 1;
}
scrReset;
return Continue;
}
if (action == Update) {
if (BtnSelect->stateChanged && BtnSelect->state == Pressed) {
RotateTrack();
Set7SegmentDisplay(TrackNumber);
}
if (Time < StateWaitUntil) {
return Continue;
}
scrBegin;
mp3_play_num(trackNumber);
// Wait for player to start
static u32 enterStandbyTime;
enterStandbyTime = Time + 1000;
while (1) {
if (PlayerPlaying()) {
break;
}
if (Time > enterStandbyTime) {
scrReturn(StandBy);
}
scrReturn(Continue);
}
// Wait for the player to stop
while (1) {
if (BtnPlay->stateChanged && BtnPlay->state == Pressed) {
scrReturn(Restart);
}
if (!PlayerPlaying()) {
scrReturn(StandBy);
}
scrReturn(Continue);
}
// Shouldn't come here
scrFinish(None);
}
return Continue;
}
static State StateInitPlayer(StateAction action) {
scrDeclare;
if (action == Enter) {
PowerToPeripherals(1);
NumTracks = 0;
scrReset;
return Continue;
}
if (action == Update) {
if (BtnPlay->stateChanged && BtnPlay->state == Pressed) {
GoToPlayTrack = 1;
}
if (BtnSelect->stateChanged && BtnSelect->state == Pressed) {
RotateTrack();
Set7SegmentDisplay(TrackNumber);
}
if (Time < StateWaitUntil) {
return Continue;
}
scrBegin;
scrSleep(1300);
static u32 numFilesTimeout;
numFilesTimeout = Time + 1000;
mp3_set_volume(15);
scrSleep(20);
mp3_get_num_files_async();
while (1) {
scrReturn(Continue);
if (Time > numFilesTimeout) {
scrReturn(Sleep);
}
if (!mp3_check_for_result()) {
continue;
}
NumTracks = mp3_get_result();
if (TrackNumber > NumTracks) {
TrackNumber = NumTracks;
Set7SegmentDisplay(TrackNumber);
}
if (NumTracks == 0) {
scrReturn(Sleep);
}
if (GoToPlayTrack) {
scrReturn(PlayTrack);
}
scrReturn(StandBy);
}
// Shouldn't come here
scrFinish(None);
}
return Continue;
}