Temperature Plot Using Processing and Arduino

1// Arduino Code
2
3#include<LiquidCrystal.h>
4#define sensor A0
5float
6  analog_value;
7LiquidCrystal lcd(2,3,4,5,6,7);
8
9byte degree[8] =
10              {
11
12                0b00011,
13                0b00011,
14                0b00000,
15
16                0b00000,
17                0b00000,
18                0b00000,
19
20                0b00000,
21                0b00000
22              };
23
24void
25  setup()
26{
27   lcd.createChar(1, degree);
28  lcd.begin(16,2);
29  Serial.begin(9600);
30
31  pinMode(sensor, INPUT);
32 
33  lcd.setCursor(0,0);
34  lcd.print("Temperature
35  Plot");
36  lcd.setCursor(0,1);
37  lcd.print("Using Proccesing");
38  delay(2000);
39
40  lcd.clear();
41  lcd.setCursor(0,0);
42  lcd.print(" By Saddam Khan ");
43
44  lcd.setCursor(0,1);
45  lcd.print("ENGINEERS GARAGE");
46  delay(2000);
47
48  lcd.clear();
49}
50
51void loop()
52{
53  float reading=analogRead(sensor);
54
55  analog_value=reading*(5.0/1023.0)*100;
56 
57  lcd.setCursor(0,0);
58  lcd.print("
59  Temperature  ");
60  lcd.setCursor(4,1);
61  lcd.print(analog_value);
62  lcd.write(1);
63
64  lcd.print("C");
65  Serial.println(analog_value);
66  delay(700);
67}
68
69
70
71//
72  ------------------------------------------------------------------------------------
73//
74  Processing Code
75
76 import processing.serial.*;
77 PFont f;
78 PFont F;
79
80  Serial myPort;        // The serial port
81 int xPos = 40;         // horizontal
82  position of the graph
83 
84 void setup () {
85 // set the window size:  and
86  Font size
87 f = createFont("Arial",12,true);
88 F = createFont("Arial",24,true);
89
90  size(700, 600);        
91 
92 // List all the available serial ports
93 println(Serial.list());
94
95  myPort = new Serial(this, Serial.list()[0], 9600);
96  myPort.bufferUntil('\
97');
98
99  // set inital background:
100 background(70);
101 }
102 void draw () 
103 {
104
105   // everything happens in the serialEvent()
106 }
107 
108 void serialEvent (Serial
109  myPort) {
110 // get the ASCII string:
111 String inString = myPort.readStringUntil('\
112');
113
114  
115 if (inString != null) {
116 // trim off any whitespace:
117 
118 print("Temperature:
119  ");
120 print(inString);
121 println("Degree Celcius");
122 inString = trim(inString);
123
124  
125 // convert to an int and map to the screen height:
126 float inByte = float(inString+(char)9);
127  
128 inByte = map(inByte, 0,117, 0, height);
129 
130 println(inByte);
131 
132
133  stroke(175);                       // temperature line
134  line(40,height-40,40,0);
135
136  
137  stroke(175);                          // Time line
138  line(40,height-40,width,height-40);
139
140  
141  stroke(100,100,255);                          // 30 degree line
142  line(40,height-194,width,height-194);
143
144  
145 stroke(100,100,255);                          // 60 degree line
146  line(40,height-344,width,height-344);
147
148  
149  textFont(F);       
150  fill(255);
151 
152 textAlign(RIGHT);
153  text("Temperature
154  Plot Using Proccessing",680,40); 
155  
156  textAlign(RIGHT);
157  text("And
158  Arduino By Saddam Khan",653,70); 
159  
160  textAlign(RIGHT);
161  text("Engineers
162  Garage",580,100); 
163 
164   textAlign(RIGHT);
165  text("TEMP",70,40);                         
166
167  
168  textAlign(RIGHT);
169  text("TIME --->",650,580);    
170  
171  
172
173  
174   textAlign(RIGHT);
175  text(inString,500,200);
176 
177   textAlign(RIGHT);
178
179  text(" Degree Celsuis",560,230);
180  
181  
182  fill(0);
183 // int j;
184
185  stroke(255);   
186  for(int j=500;j>430;j--)
187  {
188  line(j,height-398,j,height-425);
189
190  }
191  stroke(0,0,0);
192  textAlign(RIGHT);
193  text(inString,495,200); 
194
195  
196  
197 fill(240);
198 textFont(f); 
199 
200  textAlign(RIGHT);
201  text("(In
202  Degree)",140,40); 
203  
204  textAlign(RIGHT);                 // 100 degree
205
206  text("100 -",40,60);
207  
208   textAlign(RIGHT);                // 90 degree
209
210  text("90 -",40,110);
211  
212   textAlign(RIGHT);                // 80 degree
213
214  text("80 -",40,160);
215  
216   textAlign(RIGHT);                 // 70 degree
217
218  text("70 -",40,210);
219  
220   textAlign(RIGHT);                // 60 degree
221
222  text("60 -",40,260);
223  
224   textAlign(RIGHT);               // 50 degree
225
226  text("50 -",40,310);
227  
228   textAlign(RIGHT);                 // 40 degree
229
230  text("40 -",40,360);
231  
232   textAlign(RIGHT);
233  text("30 -",40,410);
234
235  
236   textAlign(RIGHT);
237  text("20 -",40,460);
238  
239   textAlign(RIGHT);
240
241  text("10 -",40,510);
242  
243  textAlign(RIGHT);
244  text("0 -",40,560);
245
246  
247 /*---- scale between 30 degree to 40 degree------*/
248  
249  textAlign(RIGHT);
250
251  text("   -",40,370);
252  
253  textAlign(RIGHT);
254  text("   -",40,380);
255
256  
257  textAlign(RIGHT);
258  text("   -",40,390);
259  
260  textAlign(RIGHT);
261
262  text("   -",40,400);
263  
264 // textAlign(RIGHT);
265 // text("0 -",40,360);
266
267  
268 // draw the line:
269 int shift=40;            // set trace origin
270 stroke(255,0,0);
271              // trace colour
272 for(int i=0;i<2;i++)
273 {
274// line(xPos, height-inByte-1,
275  xPos, height - inByte);
276   line(xPos, height-inByte-(shift+2), xPos, height-inByte-shift);
277
278   xPos++;
279 }
280 if (xPos >= width)         //  go back to begining
281 {
282
283  xPos = 40;
284 background(100); 
285 } 
286 }
287 }