Delta / Mbed OS NNN50_SSL_SocketClient

This example test the SSL socket connection ability with google.com@443

Dependencies:   NNN50_WIFI_API

main.cpp@0:3e902eda4f71, 2017-09-12 (annotated)

Committer:
tsungta
Date:
Tue Sep 12 02:06:32 2017 +0000
Revision:
0:3e902eda4f71
Child:
1:4d09372e86ed
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tsungta 0:3e902eda4f71 1 /******************** (C) COPYRIGHT 2016 Delta Electronics, Inc. ***************
tsungta 0:3e902eda4f71 2 *
tsungta 0:3e902eda4f71 3 * File Name : main.cpp
tsungta 0:3e902eda4f71 4 * Authors : Tsungta Wu - CPBG (tsungta.wu@deltaww.com)
tsungta 0:3e902eda4f71 5 * Version : V.1.0.0
tsungta 0:3e902eda4f71 6 * Date : 2016/Nov/24
tsungta 0:3e902eda4f71 7 *
tsungta 0:3e902eda4f71 8 * This example only show the most basic WiFi operation include AP scan and connect
tsungta 0:3e902eda4f71 9 * The usage of TCP/UDP socket please refer to the mbed Handbook from the link below
tsungta 0:3e902eda4f71 10 * https://developer.mbed.org/handbook/Socket
tsungta 0:3e902eda4f71 11 *
tsungta 0:3e902eda4f71 12 *******************************************************************************/
tsungta 0:3e902eda4f71 13
tsungta 0:3e902eda4f71 14 #include "mbed.h"
tsungta 0:3e902eda4f71 15 #include "EthernetInterface.h"
tsungta 0:3e902eda4f71 16 #include "WIFIDevice.h"
tsungta 0:3e902eda4f71 17
tsungta 0:3e902eda4f71 18 const char* ECHO_SERVER_ADDRESS = "192.168.2.13";
tsungta 0:3e902eda4f71 19 const int ECHO_SERVER_PORT = 1030;
tsungta 0:3e902eda4f71 20
tsungta 0:3e902eda4f71 21 void scanCallback(tstrM2mWifiscanResult result)
tsungta 0:3e902eda4f71 22 {
tsungta 0:3e902eda4f71 23 printf("SSID: %s \n", result.au8SSID);
tsungta 0:3e902eda4f71 24 printf("RSSI: %i \n", result.s8rssi);
tsungta 0:3e902eda4f71 25 }
tsungta 0:3e902eda4f71 26
tsungta 0:3e902eda4f71 27 int main() {
tsungta 0:3e902eda4f71 28
tsungta 0:3e902eda4f71 29 EthernetInterface eth;
tsungta 0:3e902eda4f71 30 WIFIDevice wifi;
tsungta 0:3e902eda4f71 31
tsungta 0:3e902eda4f71 32 eth.init();
tsungta 0:3e902eda4f71 33
tsungta 0:3e902eda4f71 34 wifi.apScan(scanCallback);
tsungta 0:3e902eda4f71 35
tsungta 0:3e902eda4f71 36 wifi.setNetwork(M2M_WIFI_SEC_WPA_PSK, "TWCYNPC0209_Mac mini", "mayday55555");
tsungta 0:3e902eda4f71 37
tsungta 0:3e902eda4f71 38 eth.connect();
tsungta 0:3e902eda4f71 39
tsungta 0:3e902eda4f71 40 if(wifi.is_AP_connected())
tsungta 0:3e902eda4f71 41 printf("Connect Success! \n");
tsungta 0:3e902eda4f71 42 else
tsungta 0:3e902eda4f71 43 printf("Connect Fail! \n");
tsungta 0:3e902eda4f71 44
tsungta 0:3e902eda4f71 45 printf("MAC: %s\n", eth.getMACAddress());
tsungta 0:3e902eda4f71 46 printf("IP: %s\n", eth.getIPAddress());
tsungta 0:3e902eda4f71 47 printf("Gateway: %s\n", eth.getGateway());
tsungta 0:3e902eda4f71 48 printf("NetworkMask: %s\n", eth.getNetworkMask());
tsungta 0:3e902eda4f71 49
tsungta 0:3e902eda4f71 50 UDPSocket sock;
tsungta 0:3e902eda4f71 51 sock.init();
tsungta 0:3e902eda4f71 52
tsungta 0:3e902eda4f71 53 Endpoint echo_server;
tsungta 0:3e902eda4f71 54 echo_server.set_address(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
tsungta 0:3e902eda4f71 55
tsungta 0:3e902eda4f71 56 char out_buffer[] = "Hello World";
tsungta 0:3e902eda4f71 57 printf("Sending message '%s' to server (%s)\n",out_buffer,ECHO_SERVER_ADDRESS);
tsungta 0:3e902eda4f71 58 sock.sendTo(echo_server, out_buffer, sizeof(out_buffer));
tsungta 0:3e902eda4f71 59
tsungta 0:3e902eda4f71 60 char in_buffer[256]; //IMPORTANT, array size MUST >= the actual received data size or set to maximum of 1400 if there is uncertainty
tsungta 0:3e902eda4f71 61 int n = sock.receiveFrom(echo_server, in_buffer, sizeof(in_buffer));
tsungta 0:3e902eda4f71 62
tsungta 0:3e902eda4f71 63 if(n <0)
tsungta 0:3e902eda4f71 64 in_buffer[0] = '\0';//IMPORTANT, in case n = -1 when set_bloacking is timeout, prevent the illegal array in_buffer[-1] access
tsungta 0:3e902eda4f71 65 else
tsungta 0:3e902eda4f71 66 in_buffer[n] = '\0';
tsungta 0:3e902eda4f71 67
tsungta 0:3e902eda4f71 68 printf("Received message from server: '%s'\n", in_buffer);
tsungta 0:3e902eda4f71 69
tsungta 0:3e902eda4f71 70 sock.close();
tsungta 0:3e902eda4f71 71
tsungta 0:3e902eda4f71 72 eth.disconnect();
tsungta 0:3e902eda4f71 73
tsungta 0:3e902eda4f71 74 wifi.sleep();
tsungta 0:3e902eda4f71 75
tsungta 0:3e902eda4f71 76 while(1) {
tsungta 0:3e902eda4f71 77 }
tsungta 0:3e902eda4f71 78 }
tsungta 0:3e902eda4f71 79