/*this is 100% working program just change your AP name pass and things speak password*/
#include <SoftwareSerial.h>
#define DEBUG true
#define RX 8
#define TX 7
String HOST = "api.thingspeak.com";
String PORT = "80";
String AP = "XXXX";//your AP name
String PASS = "XXXX"; //your AP password
String API = "XxxXPF**V6**OEIL";//your API
String field = "field1";
int countTrueCommand;
int countTimeCommand;
boolean found = false;
int valSensor = 1;
SoftwareSerial esp8266(RX, TX);
void setup() {
Serial.begin(9600);
esp8266.begin(115200);
Serial.println("AT+CWJAP=\"" + AP + "\",\"" + PASS + "\"");
sendCommand("AT", 5, "OK");
sendCommand("AT+CWMODE=1", 5, "OK");
sendCommand("AT+CWJAP=\"" + AP + "\",\"" + PASS + "\"", 15, "OK");
countTrueCommand = 0;
}
void loop() {
String getData = "GET / update ? api_key = " + API + "&" + field + " = " + String(valSensor);
switch (countTrueCommand) {
case 0: sendCommand("AT", 5, "OK"); break;
case 1: sendCommand("AT + RST", 10, "OK"); break;
case 2: sendCommand("AT + CIPMUX = 1", 5, "OK"); break;
case 3: sendCommand("AT + CIPSTART = 0, \"TCP\",\"" + HOST + "\"," + PORT, 15, "OK"); break;
case 4: sendCommand("AT+CIPSEND=0," + String(getData.length() + 4), 4, ">"); break;
case 5: esp8266.println(getData); delay(1500); countTrueCommand++; break;
case 6: sendCommand("AT+CIPCLOSE=0", 5, "OK"); break;
case 7:
Serial.println(valSensor);
Serial.print(getData);
Serial.print(",");
Serial.println(getData.length());
valSensor = random(100000); // random value, change with sensor value if using sensor
countTrueCommand = 0;
delay(10000);
break;
}
}
void sendCommand(String command, int maxTime, char readReplay[]) {
Serial.print(countTrueCommand);
Serial.print(". at command => ");
Serial.print(command);
Serial.print(" ");
while (countTimeCommand < (maxTime * 1))
{
esp8266.println(command);//at+cipsend
if (esp8266.find(readReplay)) //ok
{
found = true;
break;
}
countTimeCommand++;
}
if (found == true)
{
Serial.println("OYI");
countTrueCommand++;
countTimeCommand = 0;
}
if (found == false)
{
Serial.println("Fail");
countTrueCommand = 0;
countTimeCommand = 0;
}
found = false;
}
