you could start with
Issue with using array after splitTokens() this
or mod version
// v01 get CSV line // like: 1023,927,843,761,693,0,0 A0,1,2,3,4 D2,3
// v02 save to table
Table table;
String outfile = "data/arduino.csv";
/*
A0,A1,A2,A3,A4,D2,D3
1023,927,839,751,672,0,0
*/
import processing.serial.*;
Serial port;
String ports, inString;
String[] elements;
boolean diagp = true;//false;//true;
int baud = 115200; // 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200, 230400, 250000, 500000, 1000000, 2000000
boolean getrecord= false;
int many = 0, expect = 7, recs=0;
int[] values = new int[expect];
float zoom;
void setup() {
size(300, 300);
if ( diagp ) printArray(Serial.list());
ports = Serial.list()[1];
port = new Serial(this, ports, baud);
port.bufferUntil('\n');
stroke(0);
zoom = (height-60)/1023.0;
background(200, 200, 0);
println("use \nkey [p] for diagnostic print\nkey [c] clear\nkey [s] save table");
setup_table();
}
void draw() {
if ( getrecord ) {
getdata();
stroke(200, 200, 0);
line(recs, 0, recs, height); // the actual line is init with the background color first ( overwriting old graph )
for (int i=0; i<expect; i++ ) {
float ypos = height-50 - values[i]*zoom;
if ( i > 4 ) ypos = height-10*(i-4) - 5*values[i]; // for the digital vals
if ( diagp ) println(" values ["+i+"] "+values[i]+" xpos "+recs+" ypos "+ypos);
stroke(0, i*40, 200-i*40);
point( recs, ypos ); // graph
}
recs++; // next pix xdir
if ( recs > width ) recs = 0;
stroke(255);
line(recs, 0, recs, height); // and draw a white line ahead to show "cursor"
stroke(200, 0, 0); // grid on cursor! analog
for (int k=0; k<6; k++ ) line(recs, 10 + k*( height-60)/5, recs+3, 10 + k*( height-60)/5);
stroke(0, 0, 200); // grid on cursor! digital
for (int k=0; k<=3; k++ ) line(recs, height -10 - k*5, recs+5, height -10 - k*5);
getrecord = false;
}
}
void getdata() {
if ( diagp ) println(inString);
elements = splitTokens(inString, ","); // split and set some globals...
int many = elements.length;
if ( many >= expect ) {
for (int i=0; i<expect; i++ ) { // convert the string to int only for the expected value list
if ( diagp ) print(elements[i]+" , ");
values[i] = int(elements[i]);
}
if ( diagp ) println();
store_record();
} else {
println("com error, found short line:"+inString);
}
}
void serialEvent(Serial thisport) { // read the serial buffer:
inString = thisport.readString();
if ( inString != null ) {
inString = trim(inString); // clean
getrecord = true;
}
}
void keyPressed() {
if ( key == 'p' ) println("diagp: "+(diagp = ! diagp));
if ( key == 'c' ) background(200, 200, 0);
if ( key == 's' ) {
saveTable(table, outfile);
println("save to: "+outfile);
}
}
void setup_table() {
table = new Table();
table.addColumn("A0");
table.addColumn("A1");
table.addColumn("A2");
table.addColumn("A3");
table.addColumn("A4");
table.addColumn("D2");
table.addColumn("D3");
}
void store_record() {
TableRow newRow = table.addRow();
for ( int c =0; c<7; c++) newRow.setInt(c, values[c]);
}
/*
// arduino code tested Arduino Leonardo Arduino IDE 1.8.9 hourly
String aline; // readable char line
void make_aline() {
aline = "";
aline += analogRead(0);
aline += ',';
aline += analogRead(1);
aline += ',';
aline += analogRead(2);
aline += ',';
aline += analogRead(3);
aline += ',';
aline += analogRead(4);
aline += ',';
aline += digitalRead(2);
aline += ',';
aline += digitalRead(3);
// ++ CR LF
}
int wait = 500;
long baud = 115200; // 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 115200, 230400, 250000, 500000, 1000000, 2000000
void setup() {
Serial.begin(baud);
while (!Serial) {
; // wait for serial port to connect. Needed for native USB port only ( arduino leonardo )
}
}
void loop() {
make_aline();
Serial.println(aline);
delay(wait);
}
*/
and make it more nice?
