void SpikeDisplayNode::writeSpike(const SpikeObject& s, int i)
{
packSpike(&s, spikeBuffer, MAX_SPIKE_BUFFER_LEN);
int totalBytes = s.nSamples * s.nChannels * 2 + // account for samples
s.nChannels * 4 + // acount for threshold and gain
15; // 15 bytes in every SpikeObject
// format:
// 1 byte of event type (always = 4 for spikes)
// 8 bytes for 64-bit timestamp
// 2 bytes for 16-bit electrode ID
// 2 bytes for 16-bit number of channels (n)
// 2 bytes for 16-bit number of samples (m)
// 2*n*m bytes for 16-bit samples
// 2*n bytes for 16-bit gains
// 2*n bytes for 16-bit thresholds
// const MessageManagerLock mmLock;
diskWriteLock->enter();
fwrite(spikeBuffer, 1, totalBytes, electrodes[i].file);
fwrite(&recordingNumber, // ptr
2, // size of each element
1, // count
electrodes[i].file); // ptr to FILE object
diskWriteLock->exit();
}
void OriginalRecording::writeSpike(const SpikeObject& spike, int electrodeIndex)
{
uint8_t spikeBuffer[MAX_SPIKE_BUFFER_LEN];
if (spikeFileArray[electrodeIndex] == nullptr)
return;
packSpike(&spike, spikeBuffer, MAX_SPIKE_BUFFER_LEN);
int totalBytes = spike.nSamples * spike.nChannels * 2 + // account for samples
spike.nChannels * 4 + // acount for gain
spike.nChannels * 2 + // account for thresholds
SPIKE_METADATA_SIZE; // 42, from SpikeObject.h
// format:
// 1 byte of event type (always = 4 for spikes)
// 8 bytes for 64-bit timestamp
// 2 bytes for 16-bit electrode ID
// 2 bytes for 16-bit number of channels (n)
// 2 bytes for 16-bit number of samples (m)
// 2*n*m bytes for 16-bit samples
// 2*n bytes for 16-bit gains
// 2*n bytes for 16-bit thresholds
// const MessageManagerLock mmLock;
diskWriteLock.enter();
fwrite(spikeBuffer, 1, totalBytes, spikeFileArray[electrodeIndex]);
fwrite(&recordingNumber, // ptr
2, // size of each element
1, // count
spikeFileArray[electrodeIndex]); // ptr to FILE object
diskWriteLock.exit();
}
