func main() {
// Connecting
log.Println("Trying to connect to localhost:1972 ...")
conn, err := gobci.Connect("localhost:1972")
if err != nil {
log.Fatal(err)
}
defer conn.Close()
// Getting header information
log.Println("Requesting header data ...")
header, err := conn.GetHeader()
if err != nil {
log.Fatal(err)
}
for {
// Getting samples
log.Println("Requesting sample data ...")
var amountOfSamples uint32 = 100
if header.NSamples < amountOfSamples {
log.Fatal("Not enough samples avialable")
}
samples, err := conn.GetData(0, 0)
if err != nil {
log.Fatal(err)
}
// Visualizing the channels
channels := make([]channelXYer, header.NChannels)
for _, sample := range samples {
for i := uint32(0); i < header.NChannels; i++ {
channels[i].Values = append(channels[i].Values, sample[i])
}
}
for chIndex := range channels {
channels[chIndex].freq = header.SamplingFrequency
}
log.Println("Plotting samples ...")
plt, err := plot.New()
plotutil.AddLinePoints(plt,
"CH0", plotter.XYer(channels[0]))
//"CH1", plotter.XYer(channels[1]),
//"CH2", plotter.XYer(channels[2]))
log.Println("Saving plot to output.jpg ...")
plt.Save(10*vg.Inch, 5*vg.Inch, "output.jpg")
}
log.Println("Done")
}
func (c *Calibrate) New(w *ecs.World) {
ActiveCalibrateSystem = c
c.System = ecs.NewSystem()
c.World = w
var err error
c.Connection, err = gobci.Connect("")
if err != nil {
log.Fatal(err)
}
err = c.Connection.FlushData()
if err != nil {
log.Fatal("FlushData error: ", err)
}
// Get latest header info
c.Header, err = c.Connection.GetHeader()
if err != nil {
log.Fatal("GetHeader error: ", err)
}
for i := uint32(0); i < c.Header.NChannels; i++ {
e := ecs.NewEntity([]string{c.Type(), "RenderSystem"})
espace := &engi.SpaceComponent{engi.Point{0, float32(i * (3*dpi + 10))}, 0, 0}
e.AddComponent(espace)
if c.Visualize {
e.AddComponent(&CalibrateComponent{i})
}
c.AddEntity(e)
c.World.AddEntity(e)
}
}
