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WiFi-Node-Robot-WebServer.ino
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WiFi-Node-Robot-WebServer.ino
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#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <Servo.h>
Servo myservo; // create servo object to control a servo
// twelve servo objects can be created on most boards
const char* ssid = "admin";
const char* password = "12345678";
ESP8266WebServer server(80);
const byte AIN1 = D0; //GPI04
const byte AIN2 = D1; //GPI0
const byte AIN3 = D2; // GPI02
const byte AIN4 = D3; // GPIO14
const byte BIN1 = D4; // GPI05
const byte BIN2 = D5; //GPI12
const byte BIN3 = D6; //GPIO13
const byte BIN4 = D7; //GPIO15
const byte servoPin = D8; //GPIO3 //
void handleRoot() {
server.send(200, "text/plain", "hello from esp8266!");
}
void carForward() {
digitalWrite(AIN1, HIGH);
digitalWrite(AIN2, LOW);
digitalWrite(AIN3, HIGH);
digitalWrite(AIN4, LOW);
delay(10);
Serial.println("carForward");
}
void carBackward() {
digitalWrite(AIN1, LOW);
digitalWrite(AIN2, HIGH);
digitalWrite(AIN3, LOW);
digitalWrite(AIN4, HIGH);
delay(10);
Serial.println("carBackward");
}
void carLeft() {
digitalWrite(AIN1, LOW);
digitalWrite(AIN2, HIGH);
digitalWrite(AIN3, HIGH);
digitalWrite(AIN4, LOW);
delay(10);
Serial.println("carLeft");
}
void carRight() {
digitalWrite(AIN1, HIGH);
digitalWrite(AIN2, LOW);
digitalWrite(AIN3, LOW);
digitalWrite(AIN4, HIGH);
delay(10);
Serial.println("carRight");
}
void carStop() {
digitalWrite(AIN1, LOW);
digitalWrite(AIN2, LOW);
digitalWrite(AIN3, LOW);
digitalWrite(AIN4, LOW);
delay(10);
Serial.println("carStop");
}
void servoTrigger() {
myservo.write(150);
Serial.println("servoTriggered");
delay(1000);
myservo.write(30);
delay(1000);
}
void pumpON() {
Serial.println("Pump ON");
digitalWrite(BIN1, HIGH);
digitalWrite(BIN2, LOW);
}
void pumpOFF() {
Serial.println("Pump OFF");
digitalWrite(BIN1, LOW);
digitalWrite(BIN2, LOW);
}
void drillForward() {
Serial.println("Drill ON");
digitalWrite(BIN3, HIGH);
digitalWrite(BIN4, LOW);
delay(3000);
digitalWrite(BIN3, LOW);
digitalWrite(BIN4, LOW);
}
void drillBackward() {
Serial.println("Drill ON");
digitalWrite(BIN3, LOW);
digitalWrite(BIN4, HIGH);
delay(3000);
digitalWrite(BIN3, LOW);
digitalWrite(BIN4, LOW);
}
void drillOFF() {
Serial.println("Drill OFF");
digitalWrite(BIN3, LOW);
digitalWrite(BIN4, LOW);
}
void handleCar() {
String message = "";
int BtnValue = 0;
for (uint8_t i = 0; i < server.args(); i++) {
if (server.argName(i) == "a")
{
String s = server.arg(i);
BtnValue = s.toInt();
}
Serial.println(server.argName(i) + ": " + server.arg(i) + "\n");
}
switch (BtnValue) {
case 1: //ON1
pumpON();
break;
case 2: //carForward
carForward();
break;
case 3://OFF1
pumpOFF();
break;
case 4://carLeft
carLeft();
break;
case 5: //carStop
carStop();
break;
case 6://carRight
carRight();
break;
case 7://s_ON
servoTrigger();
break;
case 8://
carBackward();
break;
case 9://fDrill
drillForward();
break;
case 10://bDrill
drillBackward();
break;
default:
break;
}
message += "<html> <head> <title>Robot Car</title><head>";
message += "<body><h3>Agriculture Robot</h1>";
message += "<table> ";
message += "<tr>";
message += "<td><p><a href=\"/car?a=1\"><button style=\"width:100;height:100;font-size:25px;\" class=\"button\">ON1</button></a></p> ";
message += "<td><p><a href=\"/car?a=2\"><button style=\"width:100;height:100;font-size:100px;\" class=\"button\">^</button></a></p> ";
message += "<td><p><a href=\"/car?a=3\"><button style=\"width:100;height:100;font-size:25px;\" class=\"button\">OFF1</button></a></p> ";
message += "<tr>";
message += "<td><p><a href=\"/car?a=4\"><button style=\"width:100;height:100;font-size:100px;\" class=\"button\"> < </button></a></p> ";
message += "<td><p><a href=\"/car?a=5\"><button style=\"width:100;height:100;font-size:40px;\" class=\"button\">Stop</button></a></p> ";
message += "<td><p><a href=\"/car?a=6\"><button style=\"width:100;height:100;font-size:100px;\" class=\"button\"> > </button></a></p> ";
message += "<tr>";
message += "<td><p><a href=\"/car?a=7\"><button style=\"width:100;height:100;font-size:25px;\" class=\"button\">s_ON</button></a></p> ";
message += "<td><p><a href=\"/car?a=8\"><button style=\"width:100;height:100;font-size:100px;\" class=\"button\">v</button></a></p> ";
message += "<td><p><a href=\"/car?a=9\"><button style=\"width:100;height:100;font-size:25px;\" class=\"button\">fDrill</button></a></p> ";
message += "<td><p><a href=\"/car?a=10\"><button style=\"width:100;height:100;font-size:25px;\" class=\"button\">bDrill</button></a></p> ";
message += "</table> ";
message += "</body></html>";
server.send(200, "text/html", message);
}
void handleNotFound() {
String message = "File Not Found\n\n";
message += "URI: ";
message += server.uri();
message += "\nMethod: ";
message += (server.method() == HTTP_GET) ? "GET" : "POST";
message += "\nArguments: ";
message += server.args();
message += "\n";
for (uint8_t i = 0; i < server.args(); i++) {
message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
}
server.send(404, "text/plain", message);
}
void setup() {
pinMode(AIN1, OUTPUT);
pinMode(AIN2, OUTPUT);
pinMode(AIN3, OUTPUT);
pinMode(AIN4, OUTPUT);
digitalWrite(AIN1, LOW);
digitalWrite(AIN2, LOW);
digitalWrite(AIN3, LOW);
digitalWrite(AIN4, LOW);
pinMode(BIN1, OUTPUT);
pinMode(BIN2, OUTPUT);
pinMode(BIN3, OUTPUT);
pinMode(BIN4, OUTPUT);
digitalWrite(BIN1, LOW);
digitalWrite(BIN2, LOW);
digitalWrite(BIN3, LOW);
digitalWrite(BIN4, LOW);
Serial.begin(115200);
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
Serial.println("");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
pinMode(servoPin, OUTPUT);
myservo.attach(servoPin);
myservo.write(30);
server.on("/", handleRoot);
server.on("/car", handleCar);
server.on("/inline", []() {
server.send(200, "text/plain", "this works as well");
});
server.onNotFound(handleNotFound);
server.begin();
Serial.println("HTTP server started");
}
void loop() {
server.handleClient();
}