Kiilo at 21:21, 7 May 2013

2013-05-07T21:21:44Z

@@ Line 1: / Line 1: @@
 processing code
 /*
   SerialGraph.pde
@@ Line 152: / Line 164: @@
+   }
+}

Kiilo: Created page with "processing code /* SerialGraph.pde Language: Processing (C)2012 noro24.de, http://www.noro24.de This program is free software: you can redistribute it and/or modify it ..."

2013-05-07T21:16:26Z

New page

processing code

/*
SerialGraph.pde
Language: Processing

(C)2012 noro24.de, http://www.noro24.de

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version. http://www.gnu.org/licenses/

Based on a sketch of Tom Igoe

http://wiki.processing.org/w/Tom_Igoe_Interview

*/

import processing.serial.*;

// how many graph to display
int MAX_INPUTS = 6;
boolean fontInitialized = false;
Serial serial;

// array of value ranges for each graph
float[] MAX_VAL = new float[MAX_INPUTS];
float[] MIN_VAL = new float[MAX_INPUTS];
// Names of each graph
String[] NAMES = new String[MAX_INPUTS];
// colors of each graph
color[] COLS = new color[MAX_INPUTS];

float[] previousValue = new float[MAX_INPUTS]; // array of previous values
int xpos = 0; // x position of the graph
PFont font; // font for writing text to the window

void setup () {
// size of window
size(800, 800);
// Serial portname
// under Linux we must a make a symbolic link
// from the usb device to /dev/ttyS80 or whatever you want
// e.g. sudo ln -s /dev/ttyACM0 /dev/ttyS80
String portName = "COM3";
serial = new Serial(this, portName, 38400);
serial.clear();
// don't generate a serialEvent() until you get a newline (\n) byte:
serial.bufferUntil('\n');
// create a font with the fourth font available to the system:
font = createFont(PFont.list()[3], 14);
textFont(font);
fontInitialized = true;
// set inital background:
background(0);
// turn on antialiasing:
smooth();

MIN_VAL[0] = -20000;
MIN_VAL[1] = -40000;
MIN_VAL[2] = -40000;
MIN_VAL[3] = -40000;
MIN_VAL[4] = -40000;
MIN_VAL[5] = -40000;

MAX_VAL[0] = 20000;
MAX_VAL[1] = 40000;
MAX_VAL[2] = 40000;
MAX_VAL[3] = 40000;
MAX_VAL[4] = 40000;
MAX_VAL[5] = 40000;

NAMES[0] = "Araw";
NAMES[1] = "Vraw";
NAMES[2] = "PitchRaw";
NAMES[3] = "PitchKalman";
NAMES[4] = "five";
NAMES[5] = "sixn";

COLS[0] = color(255, 0, 0); // red
COLS[1] = color(0, 255, 0); // green
COLS[2] = color(0, 0, 255); // blue
COLS[3] = color(255, 255, 0); // violett
COLS[4] = color(0, 0, 255); // blue
COLS[5] = color(255, 255, 0); // violett
}

void draw () {
// nothing happens in the draw loop,
// but it's needed to keep the program running
}

void serialEvent (Serial serial) {
// get the ASCII string:
String inString = serial.readStringUntil('\n');

// if it's not empty:
if (inString != null) {
// trim off any whitespace:
inString = trim(inString);

// convert to an array of ints:
int incomingValues[] = int(split(inString, ","));

if (incomingValues.length <= MAX_INPUTS && incomingValues.length > 0) {
for (int i = 0; i < incomingValues.length; i++) {
// graphing range (0 to window height/number of values):
float ypos = map(incomingValues[i], MIN_VAL[i], MAX_VAL[i], 0, height/incomingValues.length);

// figure out the y position for this particular graph:
float graphBottom = i * height/incomingValues.length;
ypos = ypos + graphBottom;

// make a black block to erase the previous text:
noStroke();
fill(0);
rect(10, graphBottom+1, 110, 20);

fill(255);
int textPos = int(graphBottom) + 14;
if (fontInitialized) {
text(NAMES[i] + ":" + incomingValues[i], 10, textPos);
}

// draw a line at the bottom of each graph:
stroke(127);
line(0, graphBottom, width, graphBottom);
// x -axis
//line(0, graphBottom/2, width, graphBottom/2);

// change colors to draw the graph line:
stroke(COLS[i]);
line(xpos, previousValue[i], xpos+1, ypos);

// save the current value to be the next time's previous value:
previousValue[i] = ypos;
}
}
// if you've drawn to the edge of the window, start at the beginning again:
if (xpos >= width) {
xpos = 0;
background(0);
}
else {
xpos++;
}
}
}

ProcessingDataDDisplay - Revision history

Kiilo at 21:21, 7 May 2013

Kiilo: Created page with "processing code /* SerialGraph.pde Language: Processing (C)2012 noro24.de, http://www.noro24.de This program is free software: you can redistribute it and/or modify it ..."