//ESP8266_wrover_wifi-simplecar
//Thanks to mukujii.sakura.ne.jp/esp1.html
//DRV8833 VCC-3.3V GND-GND OUT1,OUT2-M1 OUT3,OUT4-M2
//DRV8833 IN1-D2(GPIO4) IN2-D1(GPIO5) IN3-D6(GPIO12) IN4-D7(GPIO12)
#include <ESP8266WiFi.h>
const char* ssid = "";
const char* password = "";
const char html[] =
"<!DOCTYPE html><html lang='ja'><head><meta charset='UTF-8'>\
<style>input {font-size:16pt;margin:16px;width:160px;}\
div {font-size:32pt;color:blue;text-align:center;width:600px;border:medium solid black;}</style>\
<title>ESP8266 WiFiCar</title></head>\
<body><div><p>WiFi_Controller</p>\
<form method='get'>\
<input type='submit' name='le' value='Left' />\
<input type='submit' name='fo' value='Forward' />\
<input type='submit' name='ri' value='Right' /><br>\
<input type='submit' name='nu' value='Not use' />\
<input type='submit' name='st' value='Stop' />\
<input type='submit' name='nu' value='Not use' /><br> \
<input type='submit' name='nu' value='Not use' />\
<input type='submit' name='ba' value='Back' />\
<input type='submit' name='nu' value='Not use' /><br><br>\
</form></div></body></html>";
void Forward()
{
digitalWrite(4,HIGH);
digitalWrite(5,LOW);
digitalWrite(12,HIGH);
digitalWrite(13,LOW);
}
void Back()
{
digitalWrite(4,LOW);
digitalWrite(5,HIGH);
digitalWrite(12,LOW);
digitalWrite(13,HIGH);
}
void MotorStop()
{
digitalWrite(4,LOW);
digitalWrite(5,LOW);
digitalWrite(12,LOW);
digitalWrite(13,LOW);
}
void Right()
{
digitalWrite(4,LOW);
digitalWrite(5,LOW);
digitalWrite(12,HIGH);
digitalWrite(13,LOW);
delay(300);
}
void Left()
{
digitalWrite(4,HIGH);
digitalWrite(5,LOW);
digitalWrite(12,LOW);
digitalWrite(13,LOW);
delay(300);
}
WiFiServer server(80);
void setup()
{
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(12,OUTPUT);
pinMode(13,OUTPUT);
Serial.begin(115200);
delay(10);
Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}
void loop(){
WiFiClient client = server.available();
if (client) {
Serial.println("New Client.");
String currentLine = "";
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
if (c == '\n') {
if (currentLine.length() == 0) {
client.println("HTTP/1.1 200 OK");
client.println("Content-type:text/html");
client.println();
client.print(html);
client.println();
break;
} else {
currentLine = "";
}
} else if (c != '\r') {
currentLine += c;
}
if (currentLine.endsWith("GET /?fo")) {
Forward();
}
if (currentLine.endsWith("GET /?le")) {
Left();
}
if (currentLine.endsWith("GET /?ri")) {
Right();
}
if (currentLine.endsWith("GET /?ba")) {
Back();
}
if (currentLine.endsWith("GET /?nu")) {
}
if (currentLine.endsWith("GET /?nu")) {
}
if (currentLine.endsWith("GET /?st")) {
MotorStop();
}
if (currentLine.endsWith("GET /?nu")) {
}
if (currentLine.endsWith("GET /?nu")) {
}
}
}
client.stop();
Serial.println("Client Disconnected.");
}
}
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