diff --git a/libraries/ESP8266WiFi/examples/WiFiClient/WiFiClient.ino b/libraries/ESP8266WiFi/examples/WiFiClient/WiFiClient.ino new file mode 100644 index 000000000..7ffc78acd --- /dev/null +++ b/libraries/ESP8266WiFi/examples/WiFiClient/WiFiClient.ino @@ -0,0 +1,85 @@ +/* + * This sketch sends data via HTTP GET requests to data.sparkfun.com service. + * + * You need to get streamId and privateKey at data.sparkfun.com and paste them + * below. Or just customize this script to talk to other HTTP servers. + * + */ + +#include + +const char* ssid = "your-ssid"; +const char* password = "your-password"; + +const char* host = "data.sparkfun.com"; +const char* streamId = "...................."; +const char* privateKey = "...................."; + +void setup() { + Serial.begin(115200); + delay(10); + + // We start by connecting to a WiFi network + + 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()); +} + +int value = 0; + +void loop() { + delay(5000); + ++value; + + Serial.print("connecting to "); + Serial.println(host); + + // Use WiFiClient class to create TCP connections + WiFiClient client; + const int httpPort = 80; + if (!client.connect(host, httpPort)) { + Serial.println("connection failed"); + return; + } + + // We now create a URI for the request + String url = "/input/"; + url += streamId; + url += "?private_key="; + url += privateKey; + url += "&value="; + url += value; + + Serial.print("Requesting URL: "); + Serial.println(url); + + // This will send the request to the server + client.print(String("GET ") + url + " HTTP/1.1\r\n" + + "Host: " + host + "\r\n" + + "Connection: close\r\n\r\n"); + delay(10); + + // Read all the lines of the reply from server and print them to Serial + while(client.available()){ + String line = client.readStringUntil('\r'); + Serial.print(line); + } + + Serial.println(); + Serial.println("closing connection"); +} + diff --git a/libraries/ESP8266WiFi/examples/WiFiScan/WiFiScan.ino b/libraries/ESP8266WiFi/examples/WiFiScan/WiFiScan.ino new file mode 100644 index 000000000..3e6ff7363 --- /dev/null +++ b/libraries/ESP8266WiFi/examples/WiFiScan/WiFiScan.ino @@ -0,0 +1,48 @@ +/* + * This sketch demonstrates how to scan WiFi networks. + * The API is almost the same as with the WiFi Shield library, + * the most obvious difference being the different file you need to include: + */ +#include "ESP8266WiFi.h" + +void setup() { + Serial.begin(115200); + + // Set WiFi to station mode and disconnect from an AP if it was previously connected + WiFi.mode(WIFI_STA); + WiFi.disconnect(); + delay(100); + + Serial.println("Setup done"); +} + +void loop() { + Serial.println("scan start"); + + // WiFi.scanNetworks will return the number of networks found + int n = WiFi.scanNetworks(); + Serial.println("scan done"); + if (n == 0) + Serial.println("no networks found"); + else + { + Serial.print(n); + Serial.println(" networks found"); + for (int i = 0; i < n; ++i) + { + // Print SSID and RSSI for each network found + Serial.print(i + 1); + Serial.print(": "); + Serial.print(WiFi.SSID(i)); + Serial.print(" ("); + Serial.print(WiFi.RSSI(i)); + Serial.print(")"); + Serial.println((WiFi.encryptionType(i) == ENC_TYPE_NONE)?" ":"*"); + delay(10); + } + } + Serial.println(""); + + // Wait a bit before scanning again + delay(5000); +} diff --git a/libraries/ESP8266WiFi/examples/WiFiWebServer/WiFiWebServer.ino b/libraries/ESP8266WiFi/examples/WiFiWebServer/WiFiWebServer.ino new file mode 100644 index 000000000..ed1b64fc9 --- /dev/null +++ b/libraries/ESP8266WiFi/examples/WiFiWebServer/WiFiWebServer.ino @@ -0,0 +1,99 @@ +/* + * This sketch demonstrates how to set up a simple HTTP-like server. + * The server will set a GPIO pin depending on the request + * http://server_ip/gpio/0 will set the GPIO2 low, + * http://server_ip/gpio/1 will set the GPIO2 high + * server_ip is the IP address of the ESP8266 module, will be + * printed to Serial when the module is connected. + */ + +#include + +const char* ssid = "your-ssid"; +const char* password = "your-password"; + +// Create an instance of the server +// specify the port to listen on (first argument) +// and the receive buffer size (second argument) +WiFiServer server(80, 2048); + +void setup() { + Serial.begin(115200); + delay(10); + + // prepare GPIO2 + pinMode(2, OUTPUT); + digitalWrite(2, 0); + + // Connect to WiFi network + 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"); + + // Start the server + server.begin(); + Serial.println("Server started"); + + // Print the IP address + Serial.println(WiFi.localIP()); +} + +void loop() { + // 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(); + + // Match the request + int val; + if (req.indexOf("/gpio/0") != -1) + val = 0; + else if (req.indexOf("/gpio/1") != -1) + val = 1; + else { + Serial.println("invalid request"); + client.stop(); + return; + } + + // Set GPIO2 according to the request + digitalWrite(2, val); + + client.flush(); + + // Prepare the response + String s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n\r\n\r\nGPIO is now "; + s += (val)?"high":"low"; + s += "\n"; + + // Send the response to the client + client.print(s); + delay(1); + Serial.println("Client disonnected"); + + // The client will actually be disconnected + // when the function returns and 'client' object is detroyed +} +