Alex Leung / Mbed OS HealthTracker

Test version

WIFI.cpp@0:4be500de690c, 2018-03-20 (annotated)

Committer:
a2824256
Date:
Tue Mar 20 02:09:21 2018 +0000
Revision:
0:4be500de690c
Child:
1:bd9f39f9d91c
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
a2824256 0:4be500de690c 1 #include "mbed.h"
a2824256 0:4be500de690c 2 #include "TCPSocket.h"
a2824256 0:4be500de690c 3
a2824256 0:4be500de690c 4 #include "ESP8266Interface.h"
a2824256 0:4be500de690c 5 #define MBED_CONF_APP_NETWORK_INTERFACE WIFI_ESP8266
a2824256 0:4be500de690c 6 #define MBED_CONF_EASY_CONNECT_WIFI_ESP8266_TX PC_10
a2824256 0:4be500de690c 7 #define MBED_CONF_EASY_CONNECT_WIFI_ESP8266_RX PC_11
a2824256 0:4be500de690c 8
a2824256 0:4be500de690c 9 ESP8266Interface wifi(MBED_CONF_EASY_CONNECT_WIFI_ESP8266_TX, MBED_CONF_EASY_CONNECT_WIFI_ESP8266_RX);
a2824256 0:4be500de690c 10 const char *sec2str(nsapi_security_t sec)
a2824256 0:4be500de690c 11 {
a2824256 0:4be500de690c 12 switch (sec) {
a2824256 0:4be500de690c 13 case NSAPI_SECURITY_NONE:
a2824256 0:4be500de690c 14 return "None";
a2824256 0:4be500de690c 15 case NSAPI_SECURITY_WEP:
a2824256 0:4be500de690c 16 return "WEP";
a2824256 0:4be500de690c 17 case NSAPI_SECURITY_WPA:
a2824256 0:4be500de690c 18 return "WPA";
a2824256 0:4be500de690c 19 case NSAPI_SECURITY_WPA2:
a2824256 0:4be500de690c 20 return "WPA2";
a2824256 0:4be500de690c 21 case NSAPI_SECURITY_WPA_WPA2:
a2824256 0:4be500de690c 22 return "WPA/WPA2";
a2824256 0:4be500de690c 23 case NSAPI_SECURITY_UNKNOWN:
a2824256 0:4be500de690c 24 default:
a2824256 0:4be500de690c 25 return "Unknown";
a2824256 0:4be500de690c 26 }
a2824256 0:4be500de690c 27 }
a2824256 0:4be500de690c 28
a2824256 0:4be500de690c 29 void scan_demo(WiFiInterface *wifi)
a2824256 0:4be500de690c 30 {
a2824256 0:4be500de690c 31 WiFiAccessPoint *ap;
a2824256 0:4be500de690c 32
a2824256 0:4be500de690c 33 pc.printf("Scan:\r\n");
a2824256 0:4be500de690c 34
a2824256 0:4be500de690c 35 int count = wifi->scan(NULL,0);
a2824256 0:4be500de690c 36
a2824256 0:4be500de690c 37 /* Limit number of network arbitrary to 15 */
a2824256 0:4be500de690c 38 count = count < 15 ? count : 15;
a2824256 0:4be500de690c 39
a2824256 0:4be500de690c 40 ap = new WiFiAccessPoint[count];
a2824256 0:4be500de690c 41 count = wifi->scan(ap, count);
a2824256 0:4be500de690c 42 for (int i = 0; i < count; i++)
a2824256 0:4be500de690c 43 {
a2824256 0:4be500de690c 44 pc.printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\r\n", ap[i].get_ssid(),
a2824256 0:4be500de690c 45 sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
a2824256 0:4be500de690c 46 ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
a2824256 0:4be500de690c 47 }
a2824256 0:4be500de690c 48 pc.printf("%d networks available.\r\n", count);
a2824256 0:4be500de690c 49
a2824256 0:4be500de690c 50 delete[] ap;
a2824256 0:4be500de690c 51 }
a2824256 0:4be500de690c 52
a2824256 0:4be500de690c 53 void http_demo(NetworkInterface *net)
a2824256 0:4be500de690c 54 {
a2824256 0:4be500de690c 55 TCPSocket socket;
a2824256 0:4be500de690c 56
a2824256 0:4be500de690c 57 pc.printf("Sending HTTP request to 192.168.8.100...\r\n");
a2824256 0:4be500de690c 58
a2824256 0:4be500de690c 59 // Open a socket on the network interface, and create a TCP connection to www.arm.com
a2824256 0:4be500de690c 60 socket.open(net);
a2824256 0:4be500de690c 61 socket.connect("192.168.8.100", 8282);
a2824256 0:4be500de690c 62
a2824256 0:4be500de690c 63 // Send a simple http request
a2824256 0:4be500de690c 64 char sbuffer[] = "GET / HTTP/1.1\r\nHost: 192.168.8.100\r\n\r\n";
a2824256 0:4be500de690c 65 int scount = socket.send(sbuffer, sizeof sbuffer);
a2824256 0:4be500de690c 66 pc.printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
a2824256 0:4be500de690c 67
a2824256 0:4be500de690c 68 // Recieve a simple http response and print out the response line
a2824256 0:4be500de690c 69 char rbuffer[64];
a2824256 0:4be500de690c 70 int rcount = socket.recv(rbuffer, sizeof rbuffer);
a2824256 0:4be500de690c 71 pc.printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
a2824256 0:4be500de690c 72
a2824256 0:4be500de690c 73 // Close the socket to return its memory and bring down the network interface
a2824256 0:4be500de690c 74 socket.close();
a2824256 0:4be500de690c 75 }