start implementing live serial display

logdata_visualization/logdata_visualization.pde

@@ -1,6 +1,12 @@
+import processing.serial.*;
 
 int vis_textsize=12; //copy from Visualization class
 
+boolean useSerial=false; //false=read from csv log, true=read from serial port
+Serial serial;
+String serialString=""; //last read string
+int serial_endchar=10; //10=ASCII Linefeed
+
 Visualization vis_cmd_FrontL;
 Visualization vis_cmd_FrontR;
 Visualization vis_cmd_RearL;
@@ -62,9 +68,20 @@ void setup() {
   size(1920, 1080);
   frameRate(100);
   
+  if (useSerial) {
+    printArray(Serial.list());
+    // Open the port you are using at the rate you want:
+    serial = new Serial(this, Serial.list()[0], 9600);
+    serial.clear();
+    // Throw out the first reading, in case we started reading 
+    // in the middle of a string from the sender.
+    serialString = serial.readStringUntil(serial_endchar);
+    serialString = null;
+  }else{
     logdata = loadTable("LOG00008_rumfahren_neu.TXT", "header, csv");
   
     println("loaded "+logdata.getRowCount()+" lines. Times: "+logdata.getRow(0).getFloat("time")+"s to "+logdata.getRow(logdata.getRowCount()-1).getFloat("time")+"s");
+  }
   
   PVector pos_vis_cmd = new PVector(100,150);
   PVector size_vis_cmd = new PVector(10,100);
@@ -166,7 +183,41 @@ void setup() {
 
 void draw() {
   long loopmillis=millis()+25000;
-  if (loopmillis>=nextTime){
+  
+  if (useSerial) {
+    while (serial.available() > 0) {
+      serialString = serial.readStringUntil(serial_endchar);
+      if (serialString != null) {
+        println(serialString);
+        lastTimeData=nextTime;
+        nextTime=loopmillis;
+        
+        
+        String[] list = split(serialString, ',');
+        cmd_FrontL=parseInt(list[0]);
+        cmd_FrontR=parseInt(list[1]);
+        cmd_RearL=parseInt(list[2]);
+        cmd_RearR=parseInt(list[3]);
+        current_FrontL=parseFloat(list[4]);
+        current_FrontR=parseFloat(list[5]);
+        current_RearL=parseFloat(list[6]);
+        current_RearR=parseFloat(list[7]);
+        speed_FrontL=parseInt(list[8]);
+        speed_FrontR=parseInt(list[9]);
+        speed_RearL=parseInt(list[10]);
+        speed_RearR=parseInt(list[11]);
+        temp_Front=parseFloat(list[12]);
+        temp_Rear=parseFloat(list[13]);
+        vbat_Front=parseFloat(list[14]);
+        vbat_Rear=parseFloat(list[15]);
+        currentAll=parseFloat(list[16]);    
+        throttle=parseInt(list[17]);
+        brake=parseInt(list[18]);
+        
+      }
+    }
+  }else{
+    if (loopmillis>=nextTime){ //New Data
       TableRow row = logdata.getRow(nextID);
       lastTimeData=nextTime;
       nextTime=(long)(row.getFloat("time")*1000); //get time and convert from seconds to ms
@@ -198,6 +249,7 @@ void draw() {
       nextID++;
       nextID=nextID%logdata.getRowCount();
     }
+  }
   
   
   
@@ -253,7 +305,7 @@ void draw() {
   textAlign(LEFT);
   textSize(12);
   text("d="+(nextTime-lastTimeData)+"ms", 5+70,12);
-  if (loopmillis-lastTimeData>(nextTime-lastTimeData)*10) { //deviation too high
+  if (!useSerial && loopmillis-lastTimeData>(nextTime-lastTimeData)*10) { //deviation too high when reading from file
     text("ff="+(loopmillis-lastTimeData)+"ms", 5+70+70,12); //show warning
   }
   

logdata_visualization/testsender/testsender.pde

@@ -0,0 +1,20 @@
+// Example by Tom Igoe
+
+import processing.serial.*;
+
+// The serial port:
+Serial serial;
+
+
+void setup() {
+  // List all the available serial ports:
+  printArray(Serial.list());
+  
+  // Open the port you are using at the rate you want:
+  serial = new Serial(this, Serial.list()[0], 115200);
+}
+
+void loop() {
+  serial.write("asdf");
+  
+}