MNLh2pkB

1
2
3#include <SoftwareSerial.h>
4
5#define RX 2
6#define TX 3
7String AP = "invalid";       // AP NAME
8String PASS = "029144653Ss@$#"; // AP PASSWORD
9String API = "BVCIS8QBD2XSWGGQ";   // Write API KEY
10String HOST = "api.thingspeak.com";
11String PORT = "80";
12String field = "field3";
13int countTrueCommand;
14int countTimeCommand;
15boolean found = false;
16float valSensor = 1;
17int measurePin = A0;
18int ledPower = 12;
19
20int samplingTime = 280;
21int deltaTime = 40;
22int sleepTime = 9680;
23
24float voMeasured = 0;
25float calcVoltage = 0;
26float dustDensity = 0;
27SoftwareSerial esp8266(RX, TX);
28
29
30void setup() {
31  Serial.begin(9600);
32  pinMode(ledPower, OUTPUT);
33  esp8266.begin(115200);
34  sendCommand("AT", 5, "OK");
35  sendCommand("AT+CWMODE=1", 5, "OK");
36  sendCommand("AT+CWJAP=\"" + AP + "\",\"" + PASS + "\"", 20, "OK");
37}
38
39void loop() {
40  valSensor = getSensorData();
41
42  
43  String getData = "GET /update?api_key=" + API + "&" + field + "=" + String(valSensor);
44  sendCommand("AT+CIPMUX=1", 5, "OK");
45  sendCommand("AT+CIPSTART=0,\"TCP\",\"" + HOST + "\"," + PORT, 15, "OK");
46  sendCommand("AT+CIPSEND=0," + String(getData.length() + 4), 4, ">");
47  esp8266.println(getData); delay(1500); countTrueCommand++;
48  sendCommand("AT+CIPCLOSE=0", 5, "OK");
49  delay(60000);
50}
51
52
53
54float getSensorData() {
55  
56  digitalWrite(ledPower, LOW); // power on the LED
57  delayMicroseconds(samplingTime);
58
59  voMeasured = analogRead(measurePin); // read the dust value
60
61  delayMicroseconds(deltaTime);
62  
63  digitalWrite(ledPower, HIGH); // turn the LED off
64  delayMicroseconds(sleepTime);
65  
66
67  calcVoltage = voMeasured * (5.0 / 1024);
68
69  dustDensity = 0.17 * calcVoltage - 0.1;
70  dustDensity *= 1000;
71  Serial.print("Raw Signal Value (0-1023): ");
72  Serial.print(voMeasured);
73
74  Serial.print(" - Voltage: ");
75  Serial.print(calcVoltage);
76
77  Serial.print(" - Dust Density: ");
78  Serial.println(dustDensity);
79  return dustDensity;
80}
81
82
83
84
85void sendCommand(String command, int maxTime, char readReplay[]) {
86  Serial.print(countTrueCommand);
87  Serial.print(". at command => ");
88  Serial.print(command);
89  Serial.print(" ");
90  while (countTimeCommand < (maxTime * 1))
91  {
92    esp8266.println(command);//at+cipsend
93    if (esp8266.find(readReplay)) //ok
94    {
95      found = true;
96      break;
97    }
98
99    countTimeCommand++;
100  }
101
102  if (found == true)
103  {
104    Serial.println("OYI");
105    countTrueCommand++;
106    countTimeCommand = 0;
107  }
108
109  if (found == false)
110  {
111    Serial.println("Fail");
112    countTrueCommand = 0;
113    countTimeCommand = 0;
114  }
115
116  found = false;
117}