mbed_example
/
TCPSocketWiFi_Example
TCP Socket example using WiFi interface
main.cpp@0:6a4e57edc2b2, 2017-01-19 (annotated)
- Committer:
- mab5449
- Date:
- Thu Jan 19 11:53:30 2017 -0600
- Revision:
- 0:6a4e57edc2b2
Ported mbed OS 2 to mbed OS 5
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mab5449 | 0:6a4e57edc2b2 | 1 | /* WiFi Example |
mab5449 | 0:6a4e57edc2b2 | 2 | * Copyright (c) 2016 ARM Limited |
mab5449 | 0:6a4e57edc2b2 | 3 | * |
mab5449 | 0:6a4e57edc2b2 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mab5449 | 0:6a4e57edc2b2 | 5 | * you may not use this file except in compliance with the License. |
mab5449 | 0:6a4e57edc2b2 | 6 | * You may obtain a copy of the License at |
mab5449 | 0:6a4e57edc2b2 | 7 | * |
mab5449 | 0:6a4e57edc2b2 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mab5449 | 0:6a4e57edc2b2 | 9 | * |
mab5449 | 0:6a4e57edc2b2 | 10 | * Unless required by applicable law or agreed to in writing, software |
mab5449 | 0:6a4e57edc2b2 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mab5449 | 0:6a4e57edc2b2 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mab5449 | 0:6a4e57edc2b2 | 13 | * See the License for the specific language governing permissions and |
mab5449 | 0:6a4e57edc2b2 | 14 | * limitations under the License. |
mab5449 | 0:6a4e57edc2b2 | 15 | */ |
mab5449 | 0:6a4e57edc2b2 | 16 | |
mab5449 | 0:6a4e57edc2b2 | 17 | #include "mbed.h" |
mab5449 | 0:6a4e57edc2b2 | 18 | #include "TCPSocket.h" |
mab5449 | 0:6a4e57edc2b2 | 19 | |
mab5449 | 0:6a4e57edc2b2 | 20 | #if TARGET_UBLOX_EVK_ODIN_W2 |
mab5449 | 0:6a4e57edc2b2 | 21 | #include "OdinWiFiInterface.h" |
mab5449 | 0:6a4e57edc2b2 | 22 | OdinWiFiInterface wifi; |
mab5449 | 0:6a4e57edc2b2 | 23 | #else |
mab5449 | 0:6a4e57edc2b2 | 24 | #if !TARGET_FF_ARDUINO |
mab5449 | 0:6a4e57edc2b2 | 25 | #error [NOT_SUPPORTED] Only Arduino form factor devices are supported at this time |
mab5449 | 0:6a4e57edc2b2 | 26 | #endif |
mab5449 | 0:6a4e57edc2b2 | 27 | #include "ESP8266Interface.h" |
mab5449 | 0:6a4e57edc2b2 | 28 | ESP8266Interface wifi(D1, D0); |
mab5449 | 0:6a4e57edc2b2 | 29 | #endif |
mab5449 | 0:6a4e57edc2b2 | 30 | |
mab5449 | 0:6a4e57edc2b2 | 31 | const char *sec2str(nsapi_security_t sec) |
mab5449 | 0:6a4e57edc2b2 | 32 | { |
mab5449 | 0:6a4e57edc2b2 | 33 | switch (sec) { |
mab5449 | 0:6a4e57edc2b2 | 34 | case NSAPI_SECURITY_NONE: |
mab5449 | 0:6a4e57edc2b2 | 35 | return "None"; |
mab5449 | 0:6a4e57edc2b2 | 36 | case NSAPI_SECURITY_WEP: |
mab5449 | 0:6a4e57edc2b2 | 37 | return "WEP"; |
mab5449 | 0:6a4e57edc2b2 | 38 | case NSAPI_SECURITY_WPA: |
mab5449 | 0:6a4e57edc2b2 | 39 | return "WPA"; |
mab5449 | 0:6a4e57edc2b2 | 40 | case NSAPI_SECURITY_WPA2: |
mab5449 | 0:6a4e57edc2b2 | 41 | return "WPA2"; |
mab5449 | 0:6a4e57edc2b2 | 42 | case NSAPI_SECURITY_WPA_WPA2: |
mab5449 | 0:6a4e57edc2b2 | 43 | return "WPA/WPA2"; |
mab5449 | 0:6a4e57edc2b2 | 44 | case NSAPI_SECURITY_UNKNOWN: |
mab5449 | 0:6a4e57edc2b2 | 45 | default: |
mab5449 | 0:6a4e57edc2b2 | 46 | return "Unknown"; |
mab5449 | 0:6a4e57edc2b2 | 47 | } |
mab5449 | 0:6a4e57edc2b2 | 48 | } |
mab5449 | 0:6a4e57edc2b2 | 49 | |
mab5449 | 0:6a4e57edc2b2 | 50 | void scan_demo(WiFiInterface *wifi) |
mab5449 | 0:6a4e57edc2b2 | 51 | { |
mab5449 | 0:6a4e57edc2b2 | 52 | WiFiAccessPoint *ap; |
mab5449 | 0:6a4e57edc2b2 | 53 | |
mab5449 | 0:6a4e57edc2b2 | 54 | printf("Scan:\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 55 | |
mab5449 | 0:6a4e57edc2b2 | 56 | int count = wifi->scan(NULL,0); |
mab5449 | 0:6a4e57edc2b2 | 57 | |
mab5449 | 0:6a4e57edc2b2 | 58 | /* Limit number of network arbitrary to 15 */ |
mab5449 | 0:6a4e57edc2b2 | 59 | count = count < 15 ? count : 15; |
mab5449 | 0:6a4e57edc2b2 | 60 | |
mab5449 | 0:6a4e57edc2b2 | 61 | ap = new WiFiAccessPoint[count]; |
mab5449 | 0:6a4e57edc2b2 | 62 | count = wifi->scan(ap, count); |
mab5449 | 0:6a4e57edc2b2 | 63 | for (int i = 0; i < count; i++) |
mab5449 | 0:6a4e57edc2b2 | 64 | { |
mab5449 | 0:6a4e57edc2b2 | 65 | printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\r\n", ap[i].get_ssid(), |
mab5449 | 0:6a4e57edc2b2 | 66 | sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], |
mab5449 | 0:6a4e57edc2b2 | 67 | ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); |
mab5449 | 0:6a4e57edc2b2 | 68 | } |
mab5449 | 0:6a4e57edc2b2 | 69 | printf("%d networks available.\r\n", count); |
mab5449 | 0:6a4e57edc2b2 | 70 | |
mab5449 | 0:6a4e57edc2b2 | 71 | delete[] ap; |
mab5449 | 0:6a4e57edc2b2 | 72 | } |
mab5449 | 0:6a4e57edc2b2 | 73 | |
mab5449 | 0:6a4e57edc2b2 | 74 | void http_demo(NetworkInterface *net) |
mab5449 | 0:6a4e57edc2b2 | 75 | { |
mab5449 | 0:6a4e57edc2b2 | 76 | TCPSocket socket; |
mab5449 | 0:6a4e57edc2b2 | 77 | |
mab5449 | 0:6a4e57edc2b2 | 78 | printf("Sending HTTP request to www.arm.com...\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 79 | |
mab5449 | 0:6a4e57edc2b2 | 80 | // Open a socket on the network interface, and create a TCP connection to www.arm.com |
mab5449 | 0:6a4e57edc2b2 | 81 | socket.open(net); |
mab5449 | 0:6a4e57edc2b2 | 82 | socket.connect("www.arm.com", 80); |
mab5449 | 0:6a4e57edc2b2 | 83 | |
mab5449 | 0:6a4e57edc2b2 | 84 | // Send a simple http request |
mab5449 | 0:6a4e57edc2b2 | 85 | char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n"; |
mab5449 | 0:6a4e57edc2b2 | 86 | int scount = socket.send(sbuffer, sizeof sbuffer); |
mab5449 | 0:6a4e57edc2b2 | 87 | printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); |
mab5449 | 0:6a4e57edc2b2 | 88 | |
mab5449 | 0:6a4e57edc2b2 | 89 | // Recieve a simple http response and print out the response line |
mab5449 | 0:6a4e57edc2b2 | 90 | char rbuffer[64]; |
mab5449 | 0:6a4e57edc2b2 | 91 | int rcount = socket.recv(rbuffer, sizeof rbuffer); |
mab5449 | 0:6a4e57edc2b2 | 92 | printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer); |
mab5449 | 0:6a4e57edc2b2 | 93 | |
mab5449 | 0:6a4e57edc2b2 | 94 | // Close the socket to return its memory and bring down the network interface |
mab5449 | 0:6a4e57edc2b2 | 95 | socket.close(); |
mab5449 | 0:6a4e57edc2b2 | 96 | } |
mab5449 | 0:6a4e57edc2b2 | 97 | |
mab5449 | 0:6a4e57edc2b2 | 98 | int main() |
mab5449 | 0:6a4e57edc2b2 | 99 | { |
mab5449 | 0:6a4e57edc2b2 | 100 | printf("WiFi example\r\n\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 101 | |
mab5449 | 0:6a4e57edc2b2 | 102 | scan_demo(&wifi); |
mab5449 | 0:6a4e57edc2b2 | 103 | |
mab5449 | 0:6a4e57edc2b2 | 104 | printf("\r\nConnecting...\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 105 | int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); |
mab5449 | 0:6a4e57edc2b2 | 106 | if (ret != 0) { |
mab5449 | 0:6a4e57edc2b2 | 107 | printf("\r\nConnection error\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 108 | return -1; |
mab5449 | 0:6a4e57edc2b2 | 109 | } |
mab5449 | 0:6a4e57edc2b2 | 110 | |
mab5449 | 0:6a4e57edc2b2 | 111 | printf("Success\r\n\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 112 | printf("MAC: %s\r\n", wifi.get_mac_address()); |
mab5449 | 0:6a4e57edc2b2 | 113 | printf("IP: %s\r\n", wifi.get_ip_address()); |
mab5449 | 0:6a4e57edc2b2 | 114 | printf("Netmask: %s\r\n", wifi.get_netmask()); |
mab5449 | 0:6a4e57edc2b2 | 115 | printf("Gateway: %s\r\n", wifi.get_gateway()); |
mab5449 | 0:6a4e57edc2b2 | 116 | printf("RSSI: %d\r\n\r\n", wifi.get_rssi()); |
mab5449 | 0:6a4e57edc2b2 | 117 | |
mab5449 | 0:6a4e57edc2b2 | 118 | http_demo(&wifi); |
mab5449 | 0:6a4e57edc2b2 | 119 | |
mab5449 | 0:6a4e57edc2b2 | 120 | wifi.disconnect(); |
mab5449 | 0:6a4e57edc2b2 | 121 | |
mab5449 | 0:6a4e57edc2b2 | 122 | printf("\r\nDone\r\n"); |
mab5449 | 0:6a4e57edc2b2 | 123 | } |