//public static void Main() public static void Main() { SerialPort port = new SerialPort("COM7", 115200, Parity.None, 8, StopBits.One); SerialPortInterface portInterface = new SerialPortInterface(port); portInterface.Open(); port.DiscardInBuffer(); while (true) { while (portInterface.ReadByte() != 'S') { } float sintime = portInterface.ReadShort(); float sinval = portInterface.ReadFloat(); float fsintime = portInterface.ReadShort(); float fsinval = portInterface.ReadFloat(); Console.WriteLine(String.Format("{0},{1},{2},{3}", sintime, sinval, fsintime, fsinval)); /* float accx = portInterface.ReadFloat(); float accy = portInterface.ReadFloat() * (float)(180.0f / Math.PI); float accz = portInterface.ReadFloat() * (float)(180.0f / Math.PI); float magx = portInterface.ReadFloat(); float magy = portInterface.ReadFloat(); float magz = portInterface.ReadFloat(); Console.WriteLine(String.Format("{0},{1},{2},{3},{4},{5}", accx, accy, accz, magx, magy, magz)); */ } }
//public static void Main() public static void Main2() { SerialPort port = new SerialPort("COM7", 115200, Parity.None, 8, StopBits.One); SerialPortInterface portInterface = new SerialPortInterface(port); portInterface.Open(); GraphForm yawG = new GraphForm("yaw"); GraphForm pitchG = new GraphForm("pitch"); GraphForm rollG = new GraphForm("roll"); GraphForm lax = new GraphForm("lax"); GraphForm lay = new GraphForm("lay"); GraphForm laz = new GraphForm("laz"); GraphForm velX = new GraphForm("velX"); yawG.Visible = true; pitchG.Visible = true; rollG.Visible = true; lax.Visible = true; lay.Visible = true; laz.Visible = true; velX.Visible = true; /* GraphForm accxg = new GraphForm("accx"); GraphForm accyg = new GraphForm("accy"); GraphForm acczg = new GraphForm("accz"); GraphForm gyroxg = new GraphForm("gyrox"); GraphForm gyroyg = new GraphForm("gyroy"); GraphForm gyrozg = new GraphForm("gyroz"); GraphForm magxg = new GraphForm("magx"); GraphForm magyg = new GraphForm("magy"); GraphForm magzg = new GraphForm("magz"); accxg.Visible = true; accyg.Visible = true; acczg.Visible = true; gyroxg.Visible = true; gyroyg.Visible = true; gyrozg.Visible = true; magxg.Visible = true; magyg.Visible = true; magzg.Visible = true; */ port.DiscardInBuffer(); while (true) { while (portInterface.ReadByte() != 'S') { } float yaw = portInterface.ReadFloat() * (float)(180.0f / Math.PI); float pitch = portInterface.ReadFloat() * (float)(180.0f / Math.PI); float roll = portInterface.ReadFloat() * (float)(180.0f / Math.PI); float lineX = portInterface.ReadFloat(); float lineY = portInterface.ReadFloat(); float lineZ = portInterface.ReadFloat(); float velocityX = portInterface.ReadFloat(); yawG.AddValueToGraph(yaw); pitchG.AddValueToGraph(pitch); rollG.AddValueToGraph(roll); lax.AddValueToGraph(lineX); lay.AddValueToGraph(lineY); laz.AddValueToGraph(lineZ); velX.AddValueToGraph(velocityX); /* float accx = portInterface.ReadFloat(); float accy = portInterface.ReadFloat(); float accz = portInterface.ReadFloat(); float gyrox = portInterface.ReadFloat(); float gyroy = portInterface.ReadFloat(); float gyroz = portInterface.ReadFloat(); float magx = portInterface.ReadFloat(); float magy = portInterface.ReadFloat(); float magz = portInterface.ReadFloat(); accxg.AddValueToGraph(accx); accyg.AddValueToGraph(accy); acczg.AddValueToGraph(accz); gyroxg.AddValueToGraph(gyrox); gyroyg.AddValueToGraph(gyroy); gyrozg.AddValueToGraph(gyroz); magxg.AddValueToGraph(magx); magyg.AddValueToGraph(magy); magzg.AddValueToGraph(magz); */ Application.DoEvents(); } }
//Test reading barometer. public static void Main44() { double baseAltitudeFeet = 0.0; int counter2 = 0; double alpha = .15; double previousAltitudeFeet = 0.0; bool isReady = false; SerialPort port = new SerialPort("COM7", 9600, Parity.None, 8, StopBits.One); SerialPortInterface portInterface = new SerialPortInterface(port); portInterface.Open(); GraphForm rawTemp = new GraphForm("RawTemp"); GraphForm rawPress = new GraphForm("RawPress"); GraphForm temp = new GraphForm("Temp"); GraphForm press = new GraphForm("Pressure"); GraphForm alt = new GraphForm("altitude"); rawTemp.Visible = true; rawPress.Visible = true; temp.Visible = true; press.Visible = true; alt.Visible = true; while (true) { int var = 0; while (var != 'S') { var = portInterface.ReadByte(); } uint rwTemp = portInterface.ReadUInt(); rawTemp.AddValueToGraph(rwTemp); uint rwPress = portInterface.ReadUInt(); rawPress.AddValueToGraph(rwPress); int temperature = portInterface.ReadInt(); temp.AddValueToGraph(temperature); int pressure = portInterface.ReadInt(); //press.AddValueToGraph(pressure); float pressure2 = portInterface.ReadFloat(); //press.AddValueToGraph(pressure2); float zned = portInterface.ReadFloat(); press.AddValueToGraph(zned); Application.DoEvents(); //altitude equation from: http://www.barnardmicrosystems.com/L4E_FMU_sensors.htm#Pressure double altitudemeters = (288.15 / (6.5 / 1000.0)) * (1 - (Math.Pow((pressure / 101325.0), (6.5 / 1000.0) * (287.052 / 9.78)))); double altitudefeet = altitudemeters * 3.28084; //*******note the barometer appears to need more time to settle if (counter2 == 40) { baseAltitudeFeet = altitudefeet; counter2 = 80; } else if (counter2 == 80) { //do nothing } else { counter2++; } if (isReady) { //Danger *** This algorithm drifts. Sometimes it takes like 10 seconds //or more to stabalize. So you have to wait a long time before you should //read the altitude and set it as the base altitude because of how long it takes. //Also, as the barometer heats up, the altitude changes. This isn't good as the barometer's //temperature will probably change throughout the flight double altitudefeettemp = (double)(altitudefeet - baseAltitudeFeet); altitudefeet = alpha * (altitudefeettemp) + (1 - alpha) * previousAltitudeFeet; previousAltitudeFeet = altitudefeet; alt.AddValueToGraph(altitudefeet); } else { altitudefeet = (double)(altitudefeet - baseAltitudeFeet); } if (altitudefeet < 20 && altitudefeet != 0) { isReady = true; } } }