我有8个简单的模拟土壤传感器连接到一个16通道模拟多路复用器，用于花园项目。传感器通过Arduino Uno读取。 Arduino还附有温度和光线传感器，每个传感器使用1个模拟引脚。我也在Arduino上运行Firmata，如果这有任何区别的话。
过去只有4个传感器连接到Arduino，但我必须扩展并加倍数字（因此多路复用器）。 mouseClicked功能适用于4个传感器，但不再增加4个传感器。添加了4个额外的传感器是否会影响Arduino的内存（即过载），或者是什么？我不确定问题是什么;任何帮助将不胜感激。
import processing.serial.*;
import java.awt.event.KeyEvent;
import javax.swing.JOptionPane;
import processing.video.*;
import cc.arduino.*;
Capture cam;
Arduino arduino;
Serial tinyg;
PImage bg;
PImage img; //green plant
PImage img2; //yellow sun
PImage img3; //brown plant
PImage img4; //gray sun
PImage img5; //plant petals
PFont font;
Serial port = null;
String portname = null;
boolean streaming = false;
float speed = 0.001;
String[] gcode;
int i = 0;
int lightReading=0;
int tempReading=0;
int toggle=0;
float voltage=0.0;
float tempc=0.0;
color off = color(4, 79, 111);
color on = color(84, 145, 158);
color brown = color(100, 59, 15);
color green = color(153, 204, 0, 0); //last number is alpha value for transparency
color black = color(000, 000, 000);
color transparentblack = color(000, 000, 000, 0);
float moisture_ref = 910.0; //change based on wet resistance value
int oldTime = 0;
int interval = 250;
int enable = 2;
int chan[][] = {
{
0, 0, 0, 0
}
,
{
1, 0, 0, 0
}
,
{
0, 1, 0, 0
}
,
{
1, 1, 0, 0
}
,
{
0, 0, 1, 0
}
,
{
1, 0, 1, 0
}
,
{
0, 1, 1, 0
}
,
{
1, 1, 1, 0
}
, /*
{
0, 0, 0, 1
}
,
{
1, 0, 0, 1
}
,
{
0, 1, 0, 1
}
,
{
1, 1, 0, 1
}
,
{
0, 0, 1, 1
}
,
{
1, 0, 1, 1
}
,
{
0, 1, 1, 1
}
,
{
1, 1, 1, 1
} */
};
int sel[]= {
3, 4, 5, 6
};
//array to hold soil values
int[] soilReading = new int[8];
void selectArduinoPort()
{
if (port != null) port.stop();
String result = (String) JOptionPane.showInputDialog(this,
"Select the serial port that corresponds to your Arduino board.",
"Select serial port",
JOptionPane.PLAIN_MESSAGE,
null,
Serial.list(),
0);
if (result != null) {
portname = result;
arduino = new Arduino(this, portname, 57600);
}
}
void selectTinygPort()
{
if (port != null) port.stop();
String result = (String) JOptionPane.showInputDialog(this,
"Select the serial port that corresponds to your TinyG board.",
"Select serial port",
JOptionPane.PLAIN_MESSAGE,
null,
Serial.list(),
0);
if (result != null) {
portname = result;
tinyg = new Serial(this, portname, 115200);
}
}
void setup() {
size(800, 650);
img = loadImage("plant5.png");
img2 = loadImage("sun2.png");
img3 = loadImage("plant8.png");
img4 = loadImage("sun4.png");
img5 = loadImage("plant9negative.png");
String[] cameras = Capture.list();
if (cameras == null) {
println("Failed to retrieve the list of available cameras, will try the default...");
cam = new Capture(this, 320, 240);
}
if (cameras.length == 0) {
println("There are no cameras available for capture.");
exit();
}
else {
println("Available cameras:");
for (int i = 0; i < cameras.length; i++) {
println(cameras[i]);
}
cam = new Capture(this, cameras[8]);
cam.start();
}
println(Arduino.list());
font=loadFont("Helvetica-24.vlw");
textFont(font);
selectArduinoPort();
selectTinygPort();
//openSerialPort();
}
void draw() {
tint(255, 235);
background(0);
stroke(255);
fill(0);
rect(20, 50, 50, 50, 3, 3, 3, 3);
rect(20, 120, 50, 50, 3, 3, 3, 3);
rect(20, 190, 50, 50, 3, 3, 3, 3);
rect(20, 260, 50, 50, 3, 3, 3, 3);
stroke(255);
fill(0);
rect(265, 55, 330, 250, 6, 6, 6, 6); //frame around the video feed
font = loadFont("Helvetica-24.vlw");
textFont(font, 32);
fill(255); //font color
text("Collaborators", width/5-50, 35); //text and location
text("Aaron", width/5-20, 85);
text("Angelika", width/5-20, 155);
text("Alex", width/5-20, 225);
text("Brett", width/5-20, 295);
for (int i = 1; i <= 4; i++) {
image(img, width/5*i-75, height/2+5);
} //this is the top row of plant icons
for (int i = 1; i <= 4; i++) {
image(img, width/5*i-75, height/2+165);
} //this is the bottom row of plant icons
if (cam.available() == true) {
cam.read();
}
image(cam, width/2-130, height/2-265);
stroke(off);
ellipseMode(CENTER);
//////
for (int i=0; i<8; i++)
{
arduino.digitalWrite(enable, 1);
for (int j=0; j<4; j++)
{
arduino.digitalWrite(sel[j], chan[i][j]);
}
arduino.digitalWrite(enable, 0);
delay(25);
soilReading[i]=arduino.analogRead(0);
}
if ((millis()-oldTime)>interval)
{
//top row
for (int i = 1; i <= 4; i++) {
//print("sensor"+1+": "+arduino.analogRead(1)+" ");
//println("");
color col=lerpColor(brown, green, soilReading[i-1]/moisture_ref);//reads analog A0, interpolates color
fill(col);
stroke(col);
ellipse(width/5*i-15, height/2+65, 120, 120); //width/5*i, height/2+300, 175, 175
font = loadFont("Helvetica-24.vlw");
textFont(font, 32);
textAlign(CENTER);
fill(255); //previously 0
text(ceil(soilReading[i-1]/1024.0*100)+"%", width/5*i-10, height/2+154); //values below top row of plant icons
//delay(50);
}
//bottom row
for (int i = 1; i <= 4; i++) {
//print("sensor"+1+": "+arduino.analogRead(1)+" ");
//println("");
color col=lerpColor(brown, green, soilReading[i*2-1]/moisture_ref);//reads analog A0, interpolates color
fill(col);
stroke(col);
ellipse(width/5*i-15, height/2+225, 120, 120); //width/5*i, height/2+300, 175, 175
font = loadFont("Helvetica-24.vlw");
textFont(font, 32);
textAlign(CENTER);
fill(255); //previously 0
text(ceil(soilReading[i*2-1]/1024.0*100)+"%", width/5*i-10, height/2+315); //values below bottom row of plant icons
//delay(50);
}
oldTime = millis();
}
delay(50);
//////
for (int i = 1; i <= 4; i++) {
image(img5, width/5*i-75, height/2+5);
} //this is the overlay for the top row of plant icons
for (int i = 1; i <= 4; i++) {
image(img5, width/5*i-75, height/2+165);
} //this is the overlay for the bottom row of plant icons
//read the light sensor on pin A5
lightReading=arduino.analogRead(5);
delay(10);
lightReading=arduino.analogRead(5);
print("light: "+lightReading);
delay(10);
//read the temp sensor on pin A1
tempReading=arduino.analogRead(1);
delay(10);
tempReading=arduino.analogRead(1);
delay(10);
//convert temp reading to degrees centigrade
voltage=tempReading*(5000/1024.0);
tempc=ceil((voltage-500)/10.0);
println(" temp: "+tempc);
text(tempc+"\u00B0C", width/2+295, 270);
image(img2, width/2+220, 80, 150, 150);
// sun
color col2=lerpColor(black, transparentblack, lightReading/900.0);//reads analog A05, interpolates color
fill(col2);
stroke(col2);
ellipse(width/2+295, 155, 150, 150); //width/5*i, height/2+300, 175, 175
fill(255); //previously 0
}
//manual motion
//this set is for the top row
void mouseClicked() {
if (mouseY>80 && mouseY<200 && mouseX>325 && mouseX<445 && toggle==0) {
tinyg.write("G91G1X250F5000\n");
tinyg.write("G91G1Y70F5000\n");
toggle=1;
return;
}
if (mouseY>80 && mouseY<200 && mouseX>325 && mouseX<445 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
if (mouseY>240 && mouseY<390 && mouseX>325 && mouseX<445 && toggle==0) {
tinyg.write("G91G1X250F5000\n");
tinyg.write("G91G1Y275F5000\n");
toggle=1;
return;
}
if (mouseY>240 && mouseY<390 && mouseX>325 && mouseX<445 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
if (mouseY>405 && mouseY<555 && mouseX>325 && mouseX<445 && toggle==0) {
tinyg.write("G91G1X250F5000\n");
tinyg.write("G91G1Y500F5000\n");
toggle=1;
return;
}
if (mouseY>405 && mouseY<555 && mouseX>325 && mouseX<445 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
if (mouseY>570 && mouseY<720 && mouseX>325 && mouseX<445 && toggle==0) {
tinyg.write("G91G1X250F5000\n");
tinyg.write("G91G1Y725F5000\n");
toggle=1;
return;
}
if (mouseY>570 && mouseY<720 && mouseX>325 && mouseX<445 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
//this set is for the bottom row
if (mouseY>80 && mouseY<200 && mouseX>485 && mouseX<605 && toggle==0) {
tinyg.write("G91G1X350F5000\n");
tinyg.write("G91G1Y70F5000\n");
toggle=1;
return;
}
if (mouseY>80 && mouseY<200 && mouseX>485 && mouseX<605 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
if (mouseY>240 && mouseY<390 && mouseX>485 && mouseX<605 && toggle==0) {
tinyg.write("G91G1X350F5000\n");
tinyg.write("G91G1Y275F5000\n");
toggle=1;
return;
}
if (mouseY>240 && mouseY<390 && mouseX>485 && mouseX<605 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
if (mouseY>405 && mouseY<555 && mouseX>485 && mouseX<605 && toggle==0) {
tinyg.write("G91G1X350F5000\n");
tinyg.write("G91G1Y500F5000\n");
toggle=1;
return;
}
if (mouseY>405 && mouseY<555 && mouseX>485 && mouseX<605 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
if (mouseY>570 && mouseY<720 && mouseX>485 && mouseX<605 && toggle==0) {
tinyg.write("G91G1X350F5000\n");
tinyg.write("G91G1Y725F5000\n");
toggle=1;
return;
}
if (mouseY>570 && mouseY<720 && mouseX>485 && mouseX<605 && toggle==1) {
tinyg.write("G91G1X0F5000\n");
tinyg.write("G91G1Y0F5000\n");
toggle=0;
return;
}
}
//turn water pump on/off
void keyPressed() {
arduino.digitalWrite(2, Arduino.HIGH);
}
void keyReleased() {
arduino.digitalWrite(2, Arduino.LOW);
}