private static void RunEKG()
{
SPO2Reader reader = new SPO2Reader("/dev/tty.SLAB_USBtoUART", 500);
SPO2Processor processor = new SPO2Processor(reader);
processor.Start();
int previousBPM = 0;
while (true)
{
processor.Update();
int bpm = processor.GetBPM();
if (previousBPM != bpm)
{
previousBPM = bpm;
Console.WriteLine(bpm);
}
}
}
private void WriteLoop()
{
SPO2Reader reader = new SPO2Reader(port, 100000);
SPO2Processor processor = new SPO2Processor(reader);
processor.Start();
List <SPO2Packet> allPackets = new List <SPO2Packet>();
List <BPMEvent> bpmEvents = new List <BPMEvent>();
bool startWriting = false;
while (!done)
{
processor.Update();
List <SPO2Packet> packets = processor.ProcessedPackets;
BPMEvent bpmEvent;
bpmEvent.bpm = processor.GetBPM();
bpmEvent.timestamp = DateTime.Now.Ticks;
if (bpmEvent.bpm != 0)
{
startWriting = true;
}
if (startWriting)
{
allPackets.AddRange(packets);
bpmEvents.Add(bpmEvent);
}
Thread.Sleep(10);
}
processor.StopAndJoin();
Console.WriteLine("Done. Packets read: " + allPackets.Count);
Console.WriteLine("Filename base: " + filenameBase);
Console.WriteLine("Writing files...");
StringBuilder rawBpms = new StringBuilder();
StringBuilder procBpms = new StringBuilder();
StringBuilder peaks = new StringBuilder();
foreach (SPO2Packet packet in allPackets)
{
int rawHr = packet.HeartRate;
string line = rawHr.ToString() + "," + packet.timeStamp;
rawBpms.AppendLine(line);
line = (packet.Peak ? "1" : "0") + "," + packet.timeStamp;
peaks.AppendLine(line);
}
foreach (BPMEvent ev in bpmEvents)
{
string line = ev.bpm.ToString() + "," + ev.timestamp;
procBpms.AppendLine(line);
}
File.WriteAllText(filenameBase + "-RawBpm.csv", rawBpms.ToString());
File.WriteAllText(filenameBase + "-ProcBpm.csv", procBpms.ToString());
File.WriteAllText(filenameBase + "-Peaks.csv", peaks.ToString());
}
public SPO2Processor(SPO2Reader reader)
{
this.reader = reader;
}