Mike van Doorn / Mbed OS mbed-os-example-wifi

hoi

main.cpp@63:99e063d738ee, 2018-06-05 (annotated)

Committer:
mbed_official
Date:
Tue Jun 05 10:15:03 2018 +0100
Revision:
63:99e063d738ee
Parent:
44:63be19b7a3db
Child:
66:2cf02c7d430c
Add ISM43362 driver support for STM32 wifi DISCO boards



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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 32:bca3f5f442b3 20 #define WIFI_ESP8266 1
mbed_official 44:63be19b7a3db 21 #define WIFI_IDW0XX1 2
mbed_official 63:99e063d738ee 22 #define WIFI_ISM43362 3
mbed_official 32:bca3f5f442b3 23
mbed_official 0:857719181846 24 #if TARGET_UBLOX_EVK_ODIN_W2
mbed_official 1:aea78e21a7da 25 #include "OdinWiFiInterface.h"
mbed_official 1:aea78e21a7da 26 OdinWiFiInterface wifi;
mbed_official 10:5b5beb106156 27
mbed_official 21:b2f2f6a840b4 28 #elif TARGET_REALTEK_RTL8195AM
mbed_official 21:b2f2f6a840b4 29 #include "RTWInterface.h"
mbed_official 21:b2f2f6a840b4 30 RTWInterface wifi;
mbed_official 21:b2f2f6a840b4 31
mbed_official 33:12f0df4d51d7 32 #else // External WiFi modules
mbed_official 21:b2f2f6a840b4 33
mbed_official 32:bca3f5f442b3 34 #if MBED_CONF_APP_WIFI_SHIELD == WIFI_ESP8266
mbed_official 1:aea78e21a7da 35 #include "ESP8266Interface.h"
mbed_official 10:5b5beb106156 36 ESP8266Interface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX);
mbed_official 63:99e063d738ee 37
mbed_official 63:99e063d738ee 38 #elif MBED_CONF_APP_WIFI_SHIELD == WIFI_ISM43362
mbed_official 63:99e063d738ee 39 #include "ISM43362Interface.h"
mbed_official 63:99e063d738ee 40 ISM43362Interface wifi;
mbed_official 63:99e063d738ee 41
mbed_official 44:63be19b7a3db 42 #elif MBED_CONF_APP_WIFI_SHIELD == WIFI_IDW0XX1
mbed_official 32:bca3f5f442b3 43 #include "SpwfSAInterface.h"
mbed_official 32:bca3f5f442b3 44 SpwfSAInterface wifi(MBED_CONF_APP_WIFI_TX, MBED_CONF_APP_WIFI_RX);
mbed_official 63:99e063d738ee 45
mbed_official 44:63be19b7a3db 46 #endif // MBED_CONF_APP_WIFI_SHIELD == WIFI_IDW0XX1
mbed_official 10:5b5beb106156 47
mbed_official 33:12f0df4d51d7 48 #endif
mbed_official 0:857719181846 49
mbed_official 0:857719181846 50 const char *sec2str(nsapi_security_t sec)
mbed_official 0:857719181846 51 {
mbed_official 0:857719181846 52 switch (sec) {
mbed_official 0:857719181846 53 case NSAPI_SECURITY_NONE:
mbed_official 0:857719181846 54 return "None";
mbed_official 0:857719181846 55 case NSAPI_SECURITY_WEP:
mbed_official 0:857719181846 56 return "WEP";
mbed_official 0:857719181846 57 case NSAPI_SECURITY_WPA:
mbed_official 0:857719181846 58 return "WPA";
mbed_official 0:857719181846 59 case NSAPI_SECURITY_WPA2:
mbed_official 0:857719181846 60 return "WPA2";
mbed_official 0:857719181846 61 case NSAPI_SECURITY_WPA_WPA2:
mbed_official 0:857719181846 62 return "WPA/WPA2";
mbed_official 0:857719181846 63 case NSAPI_SECURITY_UNKNOWN:
mbed_official 0:857719181846 64 default:
mbed_official 0:857719181846 65 return "Unknown";
mbed_official 0:857719181846 66 }
mbed_official 0:857719181846 67 }
mbed_official 0:857719181846 68
mbed_official 37:3a31525e2971 69 int scan_demo(WiFiInterface *wifi)
mbed_official 0:857719181846 70 {
mbed_official 0:857719181846 71 WiFiAccessPoint *ap;
mbed_official 0:857719181846 72
mbed_official 35:052c1ba06ce7 73 printf("Scan:\n");
mbed_official 0:857719181846 74
mbed_official 0:857719181846 75 int count = wifi->scan(NULL,0);
mbed_official 0:857719181846 76
mbed_official 0:857719181846 77 /* Limit number of network arbitrary to 15 */
mbed_official 0:857719181846 78 count = count < 15 ? count : 15;
mbed_official 0:857719181846 79
mbed_official 0:857719181846 80 ap = new WiFiAccessPoint[count];
mbed_official 0:857719181846 81 count = wifi->scan(ap, count);
mbed_official 0:857719181846 82 for (int i = 0; i < count; i++)
mbed_official 0:857719181846 83 {
mbed_official 35:052c1ba06ce7 84 printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(),
mbed_official 0:857719181846 85 sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
mbed_official 0:857719181846 86 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 87 }
mbed_official 35:052c1ba06ce7 88 printf("%d networks available.\n", count);
mbed_official 0:857719181846 89
mbed_official 0:857719181846 90 delete[] ap;
mbed_official 37:3a31525e2971 91 return count;
mbed_official 0:857719181846 92 }
mbed_official 0:857719181846 93
mbed_official 0:857719181846 94 void http_demo(NetworkInterface *net)
mbed_official 0:857719181846 95 {
mbed_official 0:857719181846 96 TCPSocket socket;
mbed_official 24:323569a565ec 97 nsapi_error_t response;
mbed_official 0:857719181846 98
mbed_official 35:052c1ba06ce7 99 printf("Sending HTTP request to www.arm.com...\n");
mbed_official 0:857719181846 100
mbed_official 0:857719181846 101 // Open a socket on the network interface, and create a TCP connection to www.arm.com
mbed_official 0:857719181846 102 socket.open(net);
mbed_official 24:323569a565ec 103 response = socket.connect("www.arm.com", 80);
mbed_official 24:323569a565ec 104 if(0 != response) {
mbed_official 35:052c1ba06ce7 105 printf("Error connecting: %d\n", response);
mbed_official 24:323569a565ec 106 socket.close();
mbed_official 24:323569a565ec 107 return;
mbed_official 24:323569a565ec 108 }
mbed_official 0:857719181846 109
mbed_official 0:857719181846 110 // Send a simple http request
mbed_official 0:857719181846 111 char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n";
mbed_official 33:12f0df4d51d7 112 nsapi_size_t size = strlen(sbuffer);
mbed_official 24:323569a565ec 113 response = 0;
mbed_official 24:323569a565ec 114 while(size)
mbed_official 24:323569a565ec 115 {
mbed_official 24:323569a565ec 116 response = socket.send(sbuffer+response, size);
mbed_official 24:323569a565ec 117 if (response < 0) {
mbed_official 35:052c1ba06ce7 118 printf("Error sending data: %d\n", response);
mbed_official 24:323569a565ec 119 socket.close();
mbed_official 24:323569a565ec 120 return;
mbed_official 24:323569a565ec 121 } else {
mbed_official 24:323569a565ec 122 size -= response;
mbed_official 24:323569a565ec 123 // Check if entire message was sent or not
mbed_official 35:052c1ba06ce7 124 printf("sent %d [%.*s]\n", response, strstr(sbuffer, "\r\n")-sbuffer, sbuffer);
mbed_official 24:323569a565ec 125 }
mbed_official 24:323569a565ec 126 }
mbed_official 0:857719181846 127
mbed_official 0:857719181846 128 // Recieve a simple http response and print out the response line
mbed_official 0:857719181846 129 char rbuffer[64];
mbed_official 24:323569a565ec 130 response = socket.recv(rbuffer, sizeof rbuffer);
mbed_official 24:323569a565ec 131 if (response < 0) {
mbed_official 35:052c1ba06ce7 132 printf("Error receiving data: %d\n", response);
mbed_official 24:323569a565ec 133 } else {
mbed_official 35:052c1ba06ce7 134 printf("recv %d [%.*s]\n", response, strstr(rbuffer, "\r\n")-rbuffer, rbuffer);
mbed_official 24:323569a565ec 135 }
mbed_official 0:857719181846 136
mbed_official 0:857719181846 137 // Close the socket to return its memory and bring down the network interface
mbed_official 0:857719181846 138 socket.close();
mbed_official 0:857719181846 139 }
mbed_official 0:857719181846 140
mbed_official 0:857719181846 141 int main()
mbed_official 0:857719181846 142 {
mbed_official 37:3a31525e2971 143 int count = 0;
mbed_official 37:3a31525e2971 144
mbed_official 35:052c1ba06ce7 145 printf("WiFi example\n\n");
mbed_official 0:857719181846 146
mbed_official 37:3a31525e2971 147 count = scan_demo(&wifi);
mbed_official 37:3a31525e2971 148 if (count == 0) {
mbed_official 37:3a31525e2971 149 printf("No WIFI APNs found - can't continue further.\n");
mbed_official 37:3a31525e2971 150 return -1;
mbed_official 37:3a31525e2971 151 }
mbed_official 0:857719181846 152
mbed_official 37:3a31525e2971 153 printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
mbed_official 0:857719181846 154 int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
mbed_official 0:857719181846 155 if (ret != 0) {
mbed_official 35:052c1ba06ce7 156 printf("\nConnection error\n");
mbed_official 0:857719181846 157 return -1;
mbed_official 0:857719181846 158 }
mbed_official 0:857719181846 159
mbed_official 35:052c1ba06ce7 160 printf("Success\n\n");
mbed_official 35:052c1ba06ce7 161 printf("MAC: %s\n", wifi.get_mac_address());
mbed_official 35:052c1ba06ce7 162 printf("IP: %s\n", wifi.get_ip_address());
mbed_official 35:052c1ba06ce7 163 printf("Netmask: %s\n", wifi.get_netmask());
mbed_official 35:052c1ba06ce7 164 printf("Gateway: %s\n", wifi.get_gateway());
mbed_official 35:052c1ba06ce7 165 printf("RSSI: %d\n\n", wifi.get_rssi());
mbed_official 0:857719181846 166
mbed_official 0:857719181846 167 http_demo(&wifi);
mbed_official 0:857719181846 168
mbed_official 0:857719181846 169 wifi.disconnect();
mbed_official 0:857719181846 170
mbed_official 35:052c1ba06ce7 171 printf("\nDone\n");
mbed_official 0:857719181846 172 }