Example program for the ESP8266Interface running Espressif Firmware

Dependencies:   ESP8266Interface NetworkSocketAPI mbed

Note

This example code assumes your ESP8266 is running the Espressif Firmware. For instructions on how to update your ESP8266 to use the correct firmware see the Firmware Update Wiki Page.

This program demonstrates how to open, close, send and recv from the ESP8266 using the Network Socket API.

main.cpp

Committer:
Christopher Haster
Date:
2016-02-23
Branch:
api-changes
Revision:
32:28a909a3748e
Parent:
30:f80540b6e2db
Child:
33:b80621db4a68

File content as of revision 32:28a909a3748e:

/* NetworkSocketAPI Example Program
 * Copyright (c) 2015 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "mbed.h"
#include "ESP8266Interface.h"
#include "TCPSocket.h"

DigitalOut myled(LED_GREEN);
void flash(){ myled = !myled; }

ESP8266Interface wifi(D1, D0);
TCPSocket socket(&wifi);

int main()
{
    Ticker t;
    t.attach(flash, 0.4f);
    printf("NetworkSocketAPI Example\r\n");

    wifi.connect("Sniffer", "Sandcastle");
    
    const char *ip = wifi.getIPAddress();
    const char *mac = wifi.getMACAddress();
    printf("IP Address is: %s\r\n", (ip) ? ip : "No IP");
    printf("MAC Address is: %s\r\n", (mac) ? mac : "No MAC");

    socket.open("time-a.nist.gov", 37);
    printf("time-a.nist.gov resolved to: %s\r\n", socket.getIPAddress());

    char recieved[100] = {0};
    int32_t size = 0;
    size = socket.recv(recieved, sizeof(recieved));

    socket.close();
    wifi.disconnect();

    printf("Recieved: %ld bytes, %02x%02x%02x%02x\r\n", size,
            recieved[0], recieved[1], recieved[2], recieved[3]);
    printf("NetworkSocketAPI Example Finished\r\n");
}