184 lines
5.0 KiB
Python
184 lines
5.0 KiB
Python
import network
|
|
import socket
|
|
from machine import Pin
|
|
import time
|
|
import errno # untuk kode error
|
|
|
|
SSID = "SANGATLUCU"
|
|
PASSWORD = "SANGATLUXU"
|
|
|
|
# LED onboard ESP8266 (D4 / GPIO2) = active LOW
|
|
led = Pin(15, Pin.OUT)
|
|
led3 = Pin(13, Pin.OUT) # GPIO15 (D8)
|
|
led4 = Pin(12, Pin.OUT) # GPIO13 (D7)
|
|
led.value(0) # awal MATI (active LOW)
|
|
led3.value(0) # awal MATI
|
|
led4.value(0) # awal MATI
|
|
|
|
|
|
def connect_wifi():
|
|
wlan = network.WLAN(network.STA_IF)
|
|
wlan.active(True)
|
|
if not wlan.isconnected():
|
|
print("Connecting to WiFi...")
|
|
wlan.connect(SSID, PASSWORD)
|
|
while not wlan.isconnected():
|
|
time.sleep(0.5)
|
|
print(".", end="")
|
|
print("\nWiFi connected!")
|
|
ip = wlan.ifconfig()[0]
|
|
print("IP address:", ip)
|
|
return ip
|
|
|
|
|
|
def web_page():
|
|
state = "ON" if led.value() == 1 else "OFF"
|
|
state1 = "ON" if led3.value() == 1 else "OFF"
|
|
state2 = "ON" if led4.value() == 1 else "OFF"
|
|
|
|
html = f"""<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
<title>ESP8266 LED WEB</title>
|
|
<style>
|
|
body {{ font-family: Arial; text-align:center; margin-top:50px; }}
|
|
button {{
|
|
font-size:20px; padding:15px 30px; margin:10px;
|
|
border:none; border-radius:10px; cursor:pointer;
|
|
}}
|
|
.on {{ background:#2ecc71; color:white; }}
|
|
.off {{ background:#e74c3c; color:white; }}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<h2>Kontrol LED ESP8266 via Web</h2>
|
|
<p>Status LED_biru: <b>{state}</b></p>
|
|
<p>Status LED_hijau: <b>{state1}</b></p>
|
|
<p>Status LED_kuning: <b>{state2}</b></p>
|
|
|
|
<p>
|
|
<a href="/on"><button class="on">LED IJO ON</button></a>
|
|
<a href="/off"><button class="off">LED IJO OFF</button></a>
|
|
<br>
|
|
<a href="/pin1_on"><button class="on">LED KUNING ON</button></a>
|
|
<a href="/pin1_off"><button class="off">LED KUNING OFF</button></a>
|
|
<br>
|
|
<a href="/pin2_on"><button class="on">LED MERAH ON</button></a>
|
|
<a href="/pin2_off"><button class="off">LED MERAH OFF</button></a>
|
|
</p>
|
|
</body>
|
|
</html>"""
|
|
return html
|
|
|
|
|
|
def start_server(preferred_port=80):
|
|
global s
|
|
try:
|
|
s.close()
|
|
except:
|
|
pass
|
|
|
|
for port in (preferred_port, 8080):
|
|
try:
|
|
addr = socket.getaddrinfo("0.0.0.0", port)[0][-1]
|
|
s = socket.socket()
|
|
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
s.bind(addr)
|
|
s.listen(1)
|
|
|
|
# OPTIONAL: timeout supaya loop bisa jalan walau ga ada client
|
|
s.settimeout(2)
|
|
|
|
print("Server listening on port:", port)
|
|
return port
|
|
except OSError as e:
|
|
if e.args and e.args[0] == errno.EADDRINUSE:
|
|
print("Port", port, "in use, trying another port...")
|
|
try:
|
|
s.close()
|
|
except:
|
|
pass
|
|
continue
|
|
else:
|
|
raise e
|
|
|
|
raise OSError("Cannot bind to port 80 or 8080")
|
|
|
|
|
|
ip = connect_wifi()
|
|
PORT = start_server(80)
|
|
|
|
print("Web server ready. Open browser to:")
|
|
print("http://{}:{}/".format(ip, PORT) if PORT != 80 else "http://{}/".format(ip))
|
|
|
|
|
|
while True:
|
|
conn = None
|
|
try:
|
|
try:
|
|
conn, addr = s.accept()
|
|
except OSError as e:
|
|
# kalau timeout (karena settimeout), lanjut loop aja
|
|
time.sleep(0.02) # biar ga overload
|
|
continue
|
|
|
|
try:
|
|
request = conn.recv(1024)
|
|
if not request:
|
|
conn.close()
|
|
time.sleep(0.02)
|
|
continue
|
|
request = request.decode()
|
|
except OSError as e:
|
|
if e.args and e.args[0] == errno.ECONNRESET:
|
|
time.sleep(0.02)
|
|
continue
|
|
else:
|
|
raise e
|
|
|
|
first_line = request.split("\r\n")[0]
|
|
path = first_line.split(" ")[1]
|
|
|
|
if path == "/on":
|
|
led.value(1)
|
|
elif path == "/off":
|
|
led.value(0)
|
|
elif path == "/pin1_on":
|
|
led3.value(1)
|
|
elif path == "/pin1_off":
|
|
led3.value(0)
|
|
elif path == "/pin2_on":
|
|
led4.value(1)
|
|
elif path == "/pin2_off":
|
|
led4.value(0)
|
|
|
|
response = web_page()
|
|
|
|
try:
|
|
conn.send("HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: close\r\n\r\n")
|
|
conn.sendall(response)
|
|
except OSError as e:
|
|
if e.args and e.args[0] == errno.ECONNRESET:
|
|
time.sleep(0.02)
|
|
continue
|
|
else:
|
|
raise e
|
|
|
|
# delay setelah melayani 1 request
|
|
time.sleep(0.1)
|
|
|
|
except Exception as e:
|
|
print("Error:", e)
|
|
|
|
finally:
|
|
if conn:
|
|
try:
|
|
conn.close()
|
|
except:
|
|
pass
|
|
|
|
# delay kecil tiap loop (jaga stabilitas)
|
|
time.sleep(0.02)
|
|
|