Peng Jing Xuan / Mbed OS mbed-os-example-wifi-DISCO_IOTBOARD_MQTT_copy

0527

Dependencies:   MQTT

main.cpp@21:b2f2f6a840b4, 2017-06-22 (annotated)

Committer:
mbed_official
Date:
Thu Jun 22 10:30:04 2017 +0100
Revision:
21:b2f2f6a840b4
Parent:
10:5b5beb106156
Child:
24:323569a565ec
Add Realtek RTL8195A support



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Commit copied from https://github.com/ARMmbed/mbed-os-example-wifi

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:857719181846 1 /* WiFi Example
mbed_official 0:857719181846 2 * Copyright (c) 2016 ARM Limited
mbed_official 0:857719181846 3 *
mbed_official 0:857719181846 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 0:857719181846 5 * you may not use this file except in compliance with the License.
mbed_official 0:857719181846 6 * You may obtain a copy of the License at
mbed_official 0:857719181846 7 *
mbed_official 0:857719181846 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:857719181846 9 *
mbed_official 0:857719181846 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 0:857719181846 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 0:857719181846 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 0:857719181846 13 * See the License for the specific language governing permissions and
mbed_official 0:857719181846 14 * limitations under the License.
mbed_official 0:857719181846 15 */
mbed_official 0:857719181846 16
mbed_official 0:857719181846 17 #include "mbed.h"
mbed_official 0:857719181846 18 #include "TCPSocket.h"
mbed_official 0:857719181846 19
mbed_official 0:857719181846 20 #if TARGET_UBLOX_EVK_ODIN_W2
mbed_official 1:aea78e21a7da 21 #include "OdinWiFiInterface.h"
mbed_official 1:aea78e21a7da 22 OdinWiFiInterface wifi;
mbed_official 10:5b5beb106156 23
mbed_official 21:b2f2f6a840b4 24 #elif TARGET_REALTEK_RTL8195AM
mbed_official 21:b2f2f6a840b4 25 #include "RTWInterface.h"
mbed_official 21:b2f2f6a840b4 26 RTWInterface wifi;
mbed_official 21:b2f2f6a840b4 27
mbed_official 0:857719181846 28 #else
mbed_official 1:aea78e21a7da 29 #if !TARGET_FF_ARDUINO
mbed_official 1:aea78e21a7da 30 #error [NOT_SUPPORTED] Only Arduino form factor devices are supported at this time
mbed_official 1:aea78e21a7da 31 #endif
mbed_official 21:b2f2f6a840b4 32
mbed_official 1:aea78e21a7da 33 #include "ESP8266Interface.h"
mbed_official 10:5b5beb106156 34 ESP8266Interface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX);
mbed_official 10:5b5beb106156 35
mbed_official 0:857719181846 36 #endif
mbed_official 0:857719181846 37
mbed_official 0:857719181846 38 const char *sec2str(nsapi_security_t sec)
mbed_official 0:857719181846 39 {
mbed_official 0:857719181846 40 switch (sec) {
mbed_official 0:857719181846 41 case NSAPI_SECURITY_NONE:
mbed_official 0:857719181846 42 return "None";
mbed_official 0:857719181846 43 case NSAPI_SECURITY_WEP:
mbed_official 0:857719181846 44 return "WEP";
mbed_official 0:857719181846 45 case NSAPI_SECURITY_WPA:
mbed_official 0:857719181846 46 return "WPA";
mbed_official 0:857719181846 47 case NSAPI_SECURITY_WPA2:
mbed_official 0:857719181846 48 return "WPA2";
mbed_official 0:857719181846 49 case NSAPI_SECURITY_WPA_WPA2:
mbed_official 0:857719181846 50 return "WPA/WPA2";
mbed_official 0:857719181846 51 case NSAPI_SECURITY_UNKNOWN:
mbed_official 0:857719181846 52 default:
mbed_official 0:857719181846 53 return "Unknown";
mbed_official 0:857719181846 54 }
mbed_official 0:857719181846 55 }
mbed_official 0:857719181846 56
mbed_official 0:857719181846 57 void scan_demo(WiFiInterface *wifi)
mbed_official 0:857719181846 58 {
mbed_official 0:857719181846 59 WiFiAccessPoint *ap;
mbed_official 0:857719181846 60
mbed_official 0:857719181846 61 printf("Scan:\r\n");
mbed_official 0:857719181846 62
mbed_official 0:857719181846 63 int count = wifi->scan(NULL,0);
mbed_official 0:857719181846 64
mbed_official 0:857719181846 65 /* Limit number of network arbitrary to 15 */
mbed_official 0:857719181846 66 count = count < 15 ? count : 15;
mbed_official 0:857719181846 67
mbed_official 0:857719181846 68 ap = new WiFiAccessPoint[count];
mbed_official 0:857719181846 69 count = wifi->scan(ap, count);
mbed_official 0:857719181846 70 for (int i = 0; i < count; i++)
mbed_official 0:857719181846 71 {
mbed_official 0:857719181846 72 printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\r\n", ap[i].get_ssid(),
mbed_official 0:857719181846 73 sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
mbed_official 0:857719181846 74 ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
mbed_official 0:857719181846 75 }
mbed_official 0:857719181846 76 printf("%d networks available.\r\n", count);
mbed_official 0:857719181846 77
mbed_official 0:857719181846 78 delete[] ap;
mbed_official 0:857719181846 79 }
mbed_official 0:857719181846 80
mbed_official 0:857719181846 81 void http_demo(NetworkInterface *net)
mbed_official 0:857719181846 82 {
mbed_official 0:857719181846 83 TCPSocket socket;
mbed_official 0:857719181846 84
mbed_official 0:857719181846 85 printf("Sending HTTP request to www.arm.com...\r\n");
mbed_official 0:857719181846 86
mbed_official 0:857719181846 87 // Open a socket on the network interface, and create a TCP connection to www.arm.com
mbed_official 0:857719181846 88 socket.open(net);
mbed_official 0:857719181846 89 socket.connect("www.arm.com", 80);
mbed_official 0:857719181846 90
mbed_official 0:857719181846 91 // Send a simple http request
mbed_official 0:857719181846 92 char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n";
mbed_official 0:857719181846 93 int scount = socket.send(sbuffer, sizeof sbuffer);
mbed_official 0:857719181846 94 printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
mbed_official 0:857719181846 95
mbed_official 0:857719181846 96 // Recieve a simple http response and print out the response line
mbed_official 0:857719181846 97 char rbuffer[64];
mbed_official 0:857719181846 98 int rcount = socket.recv(rbuffer, sizeof rbuffer);
mbed_official 0:857719181846 99 printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
mbed_official 0:857719181846 100
mbed_official 0:857719181846 101 // Close the socket to return its memory and bring down the network interface
mbed_official 0:857719181846 102 socket.close();
mbed_official 0:857719181846 103 }
mbed_official 0:857719181846 104
mbed_official 0:857719181846 105 int main()
mbed_official 0:857719181846 106 {
mbed_official 0:857719181846 107 printf("WiFi example\r\n\r\n");
mbed_official 0:857719181846 108
mbed_official 0:857719181846 109 scan_demo(&wifi);
mbed_official 0:857719181846 110
mbed_official 0:857719181846 111 printf("\r\nConnecting...\r\n");
mbed_official 0:857719181846 112 int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
mbed_official 0:857719181846 113 if (ret != 0) {
mbed_official 0:857719181846 114 printf("\r\nConnection error\r\n");
mbed_official 0:857719181846 115 return -1;
mbed_official 0:857719181846 116 }
mbed_official 0:857719181846 117
mbed_official 0:857719181846 118 printf("Success\r\n\r\n");
mbed_official 0:857719181846 119 printf("MAC: %s\r\n", wifi.get_mac_address());
mbed_official 0:857719181846 120 printf("IP: %s\r\n", wifi.get_ip_address());
mbed_official 0:857719181846 121 printf("Netmask: %s\r\n", wifi.get_netmask());
mbed_official 0:857719181846 122 printf("Gateway: %s\r\n", wifi.get_gateway());
mbed_official 0:857719181846 123 printf("RSSI: %d\r\n\r\n", wifi.get_rssi());
mbed_official 0:857719181846 124
mbed_official 0:857719181846 125 http_demo(&wifi);
mbed_official 0:857719181846 126
mbed_official 0:857719181846 127 wifi.disconnect();
mbed_official 0:857719181846 128
mbed_official 0:857719181846 129 printf("\r\nDone\r\n");
mbed_official 0:857719181846 130 }