Created
June 24, 2016 00:20
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Simple arduino sketch for YISON ESP-01/ESP-202 (ESP-8266)
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#include <ESP8266WiFi.h> | |
const int LED_RED = 12; // multi color red | |
const int LED_BLUE = 13; // multi color blue | |
const int LED_GREEN = 15; // multi color green | |
const int LED_WLAN = 14; // on board 2 | |
const int LED_SERVER = 16; // on board 1 | |
const char* ssid = ""; | |
const char* password = ""; | |
// Create an instance of the server | |
// specify the port to listen on as an argument | |
WiFiServer server(80); | |
void color(int r, int g, int b) { | |
digitalWrite(LED_RED, r); | |
digitalWrite(LED_GREEN, g); | |
digitalWrite(LED_BLUE, b); | |
} | |
void wlanStatusBlink() { | |
digitalWrite(LED_WLAN, 0); | |
delay(10); | |
digitalWrite(LED_WLAN, 1); | |
} | |
void wlanStatusOk() { | |
digitalWrite(LED_WLAN, 0); | |
} | |
void serverStatusBlink() { | |
digitalWrite(LED_SERVER, 1); | |
delay(10); | |
digitalWrite(LED_SERVER, 0); | |
} | |
void setup() { | |
pinMode(LED_RED, OUTPUT); | |
pinMode(LED_BLUE, OUTPUT); | |
pinMode(LED_GREEN, OUTPUT); | |
pinMode(LED_WLAN, OUTPUT); | |
pinMode(LED_SERVER, OUTPUT); | |
Serial.begin(115200); | |
wlanStatusBlink(); | |
Serial.print("Connecting"); | |
WiFi.begin(ssid, password); | |
while (WiFi.status() != WL_CONNECTED) { | |
wlanStatusBlink(); | |
delay(500); | |
Serial.print("."); | |
} | |
Serial.println("Connected"); | |
Serial.println(WiFi.localIP()); | |
server.begin(); | |
Serial.println("Server started"); | |
digitalWrite(LED_WLAN, 0); | |
} | |
int green = 0; | |
int blue = 0; | |
int red = 0; | |
void loop() { | |
serverStatusBlink(); | |
// Check if a client has connected | |
WiFiClient client = server.available(); | |
if (!client) { | |
return; | |
} | |
// Wait until the client sends some data | |
Serial.println("new client"); | |
while (!client.available()) { | |
delay(1); | |
} | |
// Read the first line of the request | |
String req = client.readStringUntil('\r'); | |
Serial.println(req); | |
client.flush(); | |
String s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n<!DOCTYPE HTML>\r\n<html>\r\nLED is now "; | |
if (req.indexOf("/red") != -1) { | |
s += "red"; | |
color(1, 0, 0); | |
} else if (req.indexOf("/green") != -1) { | |
s += "green"; | |
color(0, 1, 0); | |
} else if (req.indexOf("/blue") != -1) { | |
s += "blue"; | |
color(0, 0, 1); | |
} else { | |
s += "off"; | |
color(0, 0, 0); | |
} | |
s += "</html>\n"; | |
// Send the response to the client | |
client.print(s); | |
client.flush(); | |
delay(1); | |
Serial.println("Client disonnected"); | |
// The client will actually be disconnected | |
// when the function returns and 'client' object is detroyed | |
} |
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