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| Riadok 1: |
Riadok 1: |
| == Software for Color Sensors ==
| | = Software for Color Sensors = |
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| | == Basic demonstration == |
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| | * TCS230 sensor: [http://ap.urpi.fei.stuba.sk/sscim/TCS230Demo01.bs2 BASIC Stamp II code] |
| | * ColorPAL sensor [http://ap.urpi.fei.stuba.sk/sscim/ColorPalDemo01.ino Arduino code] |
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| Riadok 6: |
Riadok 11: |
| Following Arduino code works with an original Parallax (or PhiPi) ColorDemo.exe program available at | | Following Arduino code works with an original Parallax (or PhiPi) ColorDemo.exe program available at |
| the following address: http://www.parallax.com/Portals/0/Downloads/docs/prod/sens/ColorPAL_programs.zip | | the following address: http://www.parallax.com/Portals/0/Downloads/docs/prod/sens/ColorPAL_programs.zip |
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| | * TCS230 sensor: [http://ap.urpi.fei.stuba.sk/sscim/TCS230Demo02.bs2 BASIC Stamp II code] |
| | * ColorPAL sensor [http://ap.urpi.fei.stuba.sk/sscim/ColorPalDemo02.ino Arduino code] |
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| [[Obrázok:ColorMatchDemoExe.png|center]] | | [[Obrázok:ColorMatchDemoExe.png|center]] |
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| <source lang="c">
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| /*====================================================
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| / Connect ColorPAL SIG signal to Arduino pin 2 and 3
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| / Baud Rate = 9600 kbps
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| / Works with Arduino 0.20, not with 1.00 and above?
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| /====================================================*/
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| #include <SoftwareSerial.h>
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| SoftwareSerial ColorPAL(2, 3); // rx = 2, tx = 3
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| int red, grn, blu;
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| int gotcolor = 0;
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| int letter;
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| char colorByte[9];
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| void setup(){
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| // for colordemo 9600,
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| Serial.begin(9600); // Start communication with serial port read value
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| ColorPAL.begin(4800); // Send signal to led to read value
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| pinMode(2,INPUT); // serial pin out from color pal
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| pinMode(3,INPUT); // from same serial pin, signal pulls up, sends, pulls down, reads
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| digitalWrite(2,HIGH); // Enable the pull-up resistor
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| digitalWrite(3,HIGH); // Enable the pull-up resistor
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| pinMode(2,OUTPUT); // send signal out
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| pinMode(3,OUTPUT);
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| digitalWrite(2,LOW); // turn pin off so pin 3 can go high
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| digitalWrite(3,LOW);
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| pinMode(2,INPUT); // Input signal to print
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| pinMode(3,INPUT);
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| delay(20);
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| while( digitalRead(2) != HIGH || digitalRead(3) != HIGH ) {
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| delay(50);
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| }
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| pinMode(2,OUTPUT);
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| pinMode(3,OUTPUT);
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| digitalWrite(2,LOW);
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| digitalWrite(3,LOW);
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| delay(100); // spec is 80, but not all ColorPAL units work with 80
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| pinMode(2,INPUT);
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| pinMode(3,OUTPUT);
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| delay(100);
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| delay(20);
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| ColorPAL.begin(4800);
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| ColorPAL.print("= (00 $ m) !"); // set up loop to continuously send color data
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| pinMode(3,INPUT);
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| }
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| // This oscillates back and forth on one wire to turn off led, send signal,
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| // turn on led, read signal. very fast strobe read - arduino is not capable of
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| // one wire signal communication over digital ports, so this is a way around
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| // that over 2 wires communicating with 1 pin on the sensor.
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| //---------------------------------
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| void loop()
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| {
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| readColor();
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| gotcolor = 0;
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| delay(100);
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| } /* End of loop() */
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| /* ***************************************** */
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| /* Function readColor() */
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| /* Reads ColorPAL, putting results in the */
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| /* red, grn, blu variables */
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| /* ***************************************** */
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| void readColor()
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| {
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| char rByte[9];
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| char dummy[4];
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| // delay(20);
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| // ColorPAL.begin(4800);
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| // ColorPAL.print("= (00 $ m) !"); // set up loop to continuously send color data
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| pinMode(3,INPUT);
| | == Processing software == |
| gotcolor = 0;
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| while (gotcolor == 0)
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| {
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| rByte[0] = ColorPAL.read();
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| if( rByte[0] == '$' )
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| {
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| gotcolor = 1;
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| for (int i=0; i<9; i++)
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| {
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| rByte[i] = ColorPAL.read();
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| }
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| Serial.print("R0");
| | * TCS230 sensor: [http://ap.urpi.fei.stuba.sk/sscim/TCS230Demo03.bs2 BASIC Stamp II code] |
| Serial.print(rByte[0]);
| | * ColorPAL sensor [http://ap.urpi.fei.stuba.sk/sscim/ColorPalDemo03.ino Arduino code] |
| Serial.print(rByte[1]);
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| Serial.print(rByte[2]);
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| Serial.print(" G0");
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| Serial.print(rByte[3]);
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| Serial.print(rByte[4]);
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| Serial.print(rByte[5]);
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| Serial.print(" B0");
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| Serial.print(rByte[6]);
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| Serial.print(rByte[7]);
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| Serial.print(rByte[8]);
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| Serial.println();
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| }
| | [[Obrázok:ColorProcessingDemo.png|center]] |
| }
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| } /* End of function readColor() */
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| </source>
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