// Stops a waveform on a pin
int stopWaveform(uint8_t pin) {
// Can't possibly need to stop anything if there is no timer active
if (!timerRunning) {
return false;
}
for (size_t i = 0; i < countof(waveform); i++) {
if (!waveform[i].enabled) {
continue; // Skip fast to next one, can't need to stop this one since it's not running
}
if (((pin == 16) && waveform[i].gpio16Mask) || ((pin != 16) && (waveform[i].gpioMask == 1<<pin))) {
// Note that there is no interrupt unsafety here. The IRQ can only ever change .enabled from 1->0
// We're also doing that, so even if an IRQ occurred it would still stay as 0.
waveform[i].enabled = 0;
int cnt = timer1CB ? 1 : 0;
for (size_t i = 0; (cnt == 0) && (i < countof(waveform)); i++) {
cnt += waveform[i].enabled ? 1 : 0;
}
if (!cnt) {
deinitTimer();
}
return true;
}
}
return false;
}
void VideoConverter::finished(int /*exitCode*/, QProcess::ExitStatus /*exitStatus*/)
{
deinitTimer();
if (QFile::exists(videoItem->getVideoFileSavedTo()))
{
QFile output(videoItem->getVideoFileSavedTo());
// has been converted?!
if (output.size() == 0) // no
{
QFile::remove(videoItem->getVideoFileSavedTo());
videoItem->setVideoFileSavedTo(videoItem->getVideoFile(), this);
}
else // yes
if (deleteOriginalVideo)
QFile::remove(videoItem->getVideoFile());
}
else
videoItem->setVideoFileSavedTo(videoItem->getVideoFile(), this);
videoItem->setAsConverted(this);
videoItem->unlock(this);
emit conversionFinished(videoItem);
}
// Set a callback. Pass in NULL to stop it
void setTimer1Callback(uint32_t (*fn)()) {
timer1CB = fn;
if (!timerRunning && fn) {
initTimer();
} else if (timerRunning && !fn) {
int cnt = 0;
for (size_t i = 0; i < countof(waveform); i++) {
cnt += waveform[i].enabled ? 1 : 0;
}
if (!cnt) {
deinitTimer();
}
}
ReloadTimer(MicrosecondsToCycles(1)); // Cause an interrupt post-haste
}