https://mukujii.sakura.ne.jp/esp2.html でgpio0が怪しげだったので17に変更
左右へふるには当該側だけがうごく
/* https://mukujii.sakura.ne.jp/esp2.html WiFi-Control-Car(softAP) */
#include <WiFi.h>
const char ssid[] = "ESP32AP-WiFi";
const char pass[] = "esp32apwifi";
const IPAddress ip(192,168,30,3);
const IPAddress subnet(255,255,255,0);
const char html[] =
"<!DOCTYPE html><html lang='ja'><head><meta charset='UTF-8'>\
<style>input {margin:8px;width:80px;}\
div {font-size:16pt;color:red;text-align:center;width:400px;border:groove 40px orange;}</style>\
<title>WiFi_Car Controller</title></head>\
<body><div><p>Tank Controller</p>\
<form method='get'>\
<input type='submit' name='le' value='左' />\
<input type='submit' name='fo' value='前' />\
<input type='submit' name='ri' value='右' /><br>\
<input type='submit' name='st' value='停止' /><br>\
<input type='submit' name='bl' value='後左' />\
<input type='submit' name='ba' value='後ろ' />\
<input type='submit' name='br' value='後右' /><br><br>\
</form></div></body></html>";
void stop(){
digitalWrite(17, LOW);
digitalWrite(2, LOW);
digitalWrite(4, LOW);
digitalWrite(5, LOW);
}
WiFiServer server(80);
void setup()
{
Serial.begin(115200);
WiFi.softAP(ssid,pass);
delay(100);
WiFi.softAPConfig(ip,ip,subnet);
IPAddress myIP = WiFi.softAPIP();
pinMode(17, OUTPUT);
pinMode(2, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
delay(10);
server.begin();
Serial.print("SSID: ");
Serial.println(ssid);
Serial.print("AP IP address: ");
Serial.println(myIP);
Serial.println("Server start!");
}
void loop(){
WiFiClient client = server.available();
if (client) {
String currentLine = "";
Serial.println("New Client.");
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")) {
stop();
digitalWrite(17, HIGH);
digitalWrite(4, HIGH);
}
if (currentLine.endsWith("GET /?le")) {
stop();
digitalWrite(17, HIGH);
}
if (currentLine.endsWith("GET /?ri")) {
stop();
digitalWrite(4, HIGH);
}
if (currentLine.endsWith("GET /?ba")) {
stop();
digitalWrite(2, HIGH);
digitalWrite(5, HIGH);
}
if (currentLine.endsWith("GET /?bl")) {
stop();
digitalWrite(2, HIGH);
}
if (currentLine.endsWith("GET /?br")) {
stop();
digitalWrite(5, HIGH);
}
if (currentLine.endsWith("GET /?st")) {
stop();
}
}
}
client.stop();
Serial.println("Client Disconnected.");
}
}
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