TANK_CONTROL with Arduino

1// This routine let you to CONTROL level in a tank:
2// Standard protocol
3  to select instruments:
4 void SendString (byte InstrNr, int MW) { 
5Serial.print
6  ('#');
7Serial.print (InstrNr);
8Serial.print ('M'); 
9Serial.print (MW);
10  
11Serial.print ('<');    }
12 void SendString (byte InstrNr, int f, int d, int
13  m) { 
14Serial.print ('#');
15Serial.print (InstrNr);
16Serial.print ('M'); 
17Serial.print
18  (f);
19Serial.print (d);
20Serial.print (m); 
21Serial.print ('<') ;}
22void
23  setup ()
24 {    // initialize serial communication at 9600 bits per second:
25Serial.begin
26  (9600);   }
27void loop () {
28int RL = A0;    // select the input pin for the
29  LEVEL potentiometer
30int RSP = A1;    // select the input pin for the SET POINT
31  potentiometer
32int X = 8;      // select the pin for the pump control (ON - OFF)
33int
34  LEVEL = 0.0; // variable to store the value coming from RL
35int SETPOINT = 0.0;
36  // variable to store the value coming from RSP
37 // declare X as an OUTPUT:
38
39  pinMode(X, OUTPUT); 
40  // read the values from RL and RSP:
41  LEVEL = analogRead
42  (RL);
43  SETPOINT = analogRead (RSP);
44   // compare sensor values:
45int F;
46int
47  D;
48int M;
49  if (LEVEL < SETPOINT - 21){digitalWrite(X, HIGH);  } 
50  if
51  (LEVEL < SETPOINT) {F = 2;    } 
52 if (LEVEL < SETPOINT) {M = 0;    }   
53   if
54  (LEVEL > SETPOINT + 21) {digitalWrite(X, LOW);  } 
55 if (LEVEL > SETPOINT) {F
56  = 3 ;}   
57  if (LEVEL > SETPOINT) {M = 1 ;} 
58float TRUE_LEVEL = LEVEL * (100.00
59  / 1023.00);
60float TRUE_SETPOINT = SETPOINT * (100.00 / 1023.00);
61  // print
62  out the value you read:
63 SendString (2, TRUE_LEVEL); // Instrument #02 – Vert_Meter
64SendString
65  (3, TRUE_LEVEL); // Instrument #03 – Tank_Meter
66SendString (4, F, D, M); // Instrument
67  #04 - LED
68SendString (5, TRUE_LEVEL); // Instrument #05 – Num_Display
69SendString
70  (6, TRUE_SETPOINT); // Instrument #06 - Num_Display
71SendString (12, TRUE_LEVEL);
72  // Instrument #12 - Trend
73SendString (13, TRUE_SETPOINT); // Instrument #13 -
74  Trend
75delay (500);   }
76

1// This routine let you to CONTROL level in a tank:
2// Standard protocol  to select instruments:
3 void SendString (byte InstrNr, int MW) { 
4Serial.print  ('#');
5Serial.print (InstrNr);
6Serial.print ('M'); 
7Serial.print (MW);  
8Serial.print ('<');    }
9 void SendString (byte InstrNr, int f, int d, int  m) { 
10Serial.print ('#');
11Serial.print (InstrNr);
12Serial.print ('M'); 
13Serial.print  (f);
14Serial.print (d);
15Serial.print (m); 
16Serial.print ('<') ;}
17void  setup ()
18 {    // initialize serial communication at 9600 bits per second:
19Serial.begin  (9600);   }
20void loop () {
21int RL = A0;    // select the input pin for the  LEVEL potentiometer
22int RSP = A1;    // select the input pin for the SET POINT  potentiometer
23int X = 8;      // select the pin for the pump control (ON - OFF)
24int  LEVEL = 0.0; // variable to store the value coming from RL
25int SETPOINT = 0.0;  // variable to store the value coming from RSP
26 // declare X as an OUTPUT:
27  pinMode(X, OUTPUT); 
28  // read the values from RL and RSP:
29  LEVEL = analogRead  (RL);
30  SETPOINT = analogRead (RSP);
31   // compare sensor values:
32int F;
33int  D;
34int M;
35  if (LEVEL < SETPOINT - 21){digitalWrite(X, HIGH);  } 
36  if  (LEVEL < SETPOINT) {F = 2;    } 
37 if (LEVEL < SETPOINT) {M = 0;    }   
38   if  (LEVEL > SETPOINT + 21) {digitalWrite(X, LOW);  } 
39 if (LEVEL > SETPOINT) {F  = 3 ;}   
40  if (LEVEL > SETPOINT) {M = 1 ;} 
41float TRUE_LEVEL = LEVEL * (100.00  / 1023.00);
42float TRUE_SETPOINT = SETPOINT * (100.00 / 1023.00);
43  // print  out the value you read:
44 SendString (2, TRUE_LEVEL); // Instrument #02 – Vert_Meter
45SendString  (3, TRUE_LEVEL); // Instrument #03 – Tank_Meter
46SendString (4, F, D, M); // Instrument  #04 - LED
47SendString (5, TRUE_LEVEL); // Instrument #05 – Num_Display
48SendString  (6, TRUE_SETPOINT); // Instrument #06 - Num_Display
49SendString (12, TRUE_LEVEL);  // Instrument #12 - Trend
50SendString (13, TRUE_SETPOINT); // Instrument #13 -  Trend
51delay (500);   }
52