From e11defbd88c12bcff44997ae8773cce956287f46 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Mon, 24 May 2021 18:40:23 +0200
Subject: [PATCH] add pause button

---
 .../logdata_visualization.pde                 | 49 ++++++++++++++-----
 1 file changed, 37 insertions(+), 12 deletions(-)

diff --git a/logdata_visualization/logdata_visualization.pde b/logdata_visualization/logdata_visualization.pde
index d167cef..0e6be05 100644
--- a/logdata_visualization/logdata_visualization.pde
+++ b/logdata_visualization/logdata_visualization.pde
@@ -59,14 +59,17 @@ int timeoffset=0; //for moving timeslider
 Table logdata;
 int nextID=0; //next row number to be displayed
 long lastTimeData=0; //last time data received
-long nextTimeData=0; //time of nextID row
-long lastTimeMillis=0; //local time
-long nextTimeMillis=0; //local time
+int nextTimeData=0; //time of nextID row
+int lastTimeMillis=0; //local time
+int nextTimeMillis=0; //local time
 
 boolean newdataforced=true;
 
 int dataErrorCount=0;
 
+boolean running=true;
+int timePaused=0;
+
 //Data from log
 int cmd_FrontL;
 int cmd_FrontR;
@@ -260,7 +263,12 @@ void setup() {
 }
 
 void draw() {
-  long loopmillis=millis()-timeoffset;
+  int loopmillis=0;
+  if (running) {
+    loopmillis=millis()-timeoffset;
+  }else{ //paused
+    loopmillis=timePaused-timeoffset;
+  }
   
   if (useSerial) {
     if (serial.available() > 0) {
@@ -308,7 +316,7 @@ void draw() {
         TableRow row = logdata.getRow(nextID);
         
         lastTimeData=nextTimeData;
-        nextTimeData=(long)(logdata.getRow(nextID+1).getFloat("time")*1000); //get time and convert from seconds to ms
+        nextTimeData=(int)(logdata.getRow(nextID+1).getFloat("time")*1000); //get time and convert from seconds to ms
         
         lastTimeMillis=nextTimeMillis;
         nextTimeMillis=loopmillis;
@@ -405,8 +413,14 @@ void draw() {
   if (!useSerial && loopmillis-lastTimeData>(nextTimeData-lastTimeData)*10) { //deviation too high when reading from file
     text("ff="+(loopmillis-lastTimeData)+"ms", 5+75*2,12); //show warning
   }
-  
+  if (!running) {
+    fill(color(255,100,100));
+  }
   text("t="+(loopmillis/1000.0)+"s", 5,12);
+  text("nextID="+nextID, 5,12+12);
+  fill(color(200,200,200));
+  
+  
   
   text(""+(dataErrorCount)+" errors", 5+70*3,12);
   
@@ -421,12 +435,15 @@ void draw() {
 
 void keyPressed() {
   if (key == CODED) {
-    /*if (keyCode == UP) {
-      fillVal = 255;
-    } else if (keyCode == DOWN) {
-      fillVal = 0;
-    } 
-    */
+    if (!running) { //paused
+      if (keyCode == LEFT) {
+        
+      } else if (keyCode == RIGHT) {
+        timeoffset=timePaused-nextTimeData;
+      } 
+    }
+    
+    
   } else {
     //println("key="+keyCode);
     if (keyCode==82) { //82=r
@@ -435,6 +452,14 @@ void keyPressed() {
       nextID=0;
       newdataforced=true;
     }
+    if (keyCode == 32) {
+      if (running) { //switching from running to pause
+        timePaused=millis();
+      }else{ //unpause
+        timeoffset=+millis()-timePaused+timeoffset;
+      }
+      running=!running;
+    }
   }
 }