STM32F103C8T6 a demo with esp8266 pust onenet
Dependencies: cJSON_lib Common_lib EdpKit_lib DHT ESP8266 wifi_example
main.cpp@0:b887535f68bf, 2017-01-12 (annotated)
- Committer:
- group-ESP8266
- Date:
- Thu Jan 12 20:21:45 2017 +0000
- Revision:
- 0:b887535f68bf
- Child:
- 2:1dbc3aa8ae3a
Initial commit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
group-ESP8266 | 0:b887535f68bf | 1 | /* WiFi Example |
group-ESP8266 | 0:b887535f68bf | 2 | * Copyright (c) 2016 ARM Limited |
group-ESP8266 | 0:b887535f68bf | 3 | * |
group-ESP8266 | 0:b887535f68bf | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
group-ESP8266 | 0:b887535f68bf | 5 | * you may not use this file except in compliance with the License. |
group-ESP8266 | 0:b887535f68bf | 6 | * You may obtain a copy of the License at |
group-ESP8266 | 0:b887535f68bf | 7 | * |
group-ESP8266 | 0:b887535f68bf | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
group-ESP8266 | 0:b887535f68bf | 9 | * |
group-ESP8266 | 0:b887535f68bf | 10 | * Unless required by applicable law or agreed to in writing, software |
group-ESP8266 | 0:b887535f68bf | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
group-ESP8266 | 0:b887535f68bf | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
group-ESP8266 | 0:b887535f68bf | 13 | * See the License for the specific language governing permissions and |
group-ESP8266 | 0:b887535f68bf | 14 | * limitations under the License. |
group-ESP8266 | 0:b887535f68bf | 15 | */ |
group-ESP8266 | 0:b887535f68bf | 16 | |
group-ESP8266 | 0:b887535f68bf | 17 | #include "mbed.h" |
group-ESP8266 | 0:b887535f68bf | 18 | #include "TCPSocket.h" |
group-ESP8266 | 0:b887535f68bf | 19 | |
group-ESP8266 | 0:b887535f68bf | 20 | |
group-ESP8266 | 0:b887535f68bf | 21 | #include "ESP8266Interface.h" |
group-ESP8266 | 0:b887535f68bf | 22 | ESP8266Interface wifi(D1, D0); |
group-ESP8266 | 0:b887535f68bf | 23 | |
group-ESP8266 | 0:b887535f68bf | 24 | const char *sec2str(nsapi_security_t sec) |
group-ESP8266 | 0:b887535f68bf | 25 | { |
group-ESP8266 | 0:b887535f68bf | 26 | switch (sec) { |
group-ESP8266 | 0:b887535f68bf | 27 | case NSAPI_SECURITY_NONE: |
group-ESP8266 | 0:b887535f68bf | 28 | return "None"; |
group-ESP8266 | 0:b887535f68bf | 29 | case NSAPI_SECURITY_WEP: |
group-ESP8266 | 0:b887535f68bf | 30 | return "WEP"; |
group-ESP8266 | 0:b887535f68bf | 31 | case NSAPI_SECURITY_WPA: |
group-ESP8266 | 0:b887535f68bf | 32 | return "WPA"; |
group-ESP8266 | 0:b887535f68bf | 33 | case NSAPI_SECURITY_WPA2: |
group-ESP8266 | 0:b887535f68bf | 34 | return "WPA2"; |
group-ESP8266 | 0:b887535f68bf | 35 | case NSAPI_SECURITY_WPA_WPA2: |
group-ESP8266 | 0:b887535f68bf | 36 | return "WPA/WPA2"; |
group-ESP8266 | 0:b887535f68bf | 37 | case NSAPI_SECURITY_UNKNOWN: |
group-ESP8266 | 0:b887535f68bf | 38 | default: |
group-ESP8266 | 0:b887535f68bf | 39 | return "Unknown"; |
group-ESP8266 | 0:b887535f68bf | 40 | } |
group-ESP8266 | 0:b887535f68bf | 41 | } |
group-ESP8266 | 0:b887535f68bf | 42 | |
group-ESP8266 | 0:b887535f68bf | 43 | void scan_demo(WiFiInterface *wifi) |
group-ESP8266 | 0:b887535f68bf | 44 | { |
group-ESP8266 | 0:b887535f68bf | 45 | WiFiAccessPoint *ap; |
group-ESP8266 | 0:b887535f68bf | 46 | |
group-ESP8266 | 0:b887535f68bf | 47 | printf("Scan:\r\n"); |
group-ESP8266 | 0:b887535f68bf | 48 | |
group-ESP8266 | 0:b887535f68bf | 49 | int count = wifi->scan(NULL,0); |
group-ESP8266 | 0:b887535f68bf | 50 | |
group-ESP8266 | 0:b887535f68bf | 51 | /* Limit number of network arbitrary to 15 */ |
group-ESP8266 | 0:b887535f68bf | 52 | count = count < 15 ? count : 15; |
group-ESP8266 | 0:b887535f68bf | 53 | |
group-ESP8266 | 0:b887535f68bf | 54 | ap = new WiFiAccessPoint[count]; |
group-ESP8266 | 0:b887535f68bf | 55 | count = wifi->scan(ap, count); |
group-ESP8266 | 0:b887535f68bf | 56 | for (int i = 0; i < count; i++) |
group-ESP8266 | 0:b887535f68bf | 57 | { |
group-ESP8266 | 0:b887535f68bf | 58 | printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\r\n", ap[i].get_ssid(), |
group-ESP8266 | 0:b887535f68bf | 59 | sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], |
group-ESP8266 | 0:b887535f68bf | 60 | ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); |
group-ESP8266 | 0:b887535f68bf | 61 | } |
group-ESP8266 | 0:b887535f68bf | 62 | printf("%d networks available.\r\n", count); |
group-ESP8266 | 0:b887535f68bf | 63 | |
group-ESP8266 | 0:b887535f68bf | 64 | delete[] ap; |
group-ESP8266 | 0:b887535f68bf | 65 | } |
group-ESP8266 | 0:b887535f68bf | 66 | |
group-ESP8266 | 0:b887535f68bf | 67 | void http_demo(NetworkInterface *net) |
group-ESP8266 | 0:b887535f68bf | 68 | { |
group-ESP8266 | 0:b887535f68bf | 69 | TCPSocket socket; |
group-ESP8266 | 0:b887535f68bf | 70 | |
group-ESP8266 | 0:b887535f68bf | 71 | printf("Sending HTTP request to www.arm.com...\r\n"); |
group-ESP8266 | 0:b887535f68bf | 72 | |
group-ESP8266 | 0:b887535f68bf | 73 | // Open a socket on the network interface, and create a TCP connection to www.arm.com |
group-ESP8266 | 0:b887535f68bf | 74 | socket.open(net); |
group-ESP8266 | 0:b887535f68bf | 75 | socket.connect("www.arm.com", 80); |
group-ESP8266 | 0:b887535f68bf | 76 | |
group-ESP8266 | 0:b887535f68bf | 77 | // Send a simple http request |
group-ESP8266 | 0:b887535f68bf | 78 | char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n"; |
group-ESP8266 | 0:b887535f68bf | 79 | int scount = socket.send(sbuffer, sizeof sbuffer); |
group-ESP8266 | 0:b887535f68bf | 80 | printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); |
group-ESP8266 | 0:b887535f68bf | 81 | |
group-ESP8266 | 0:b887535f68bf | 82 | // Recieve a simple http response and print out the response line |
group-ESP8266 | 0:b887535f68bf | 83 | char rbuffer[64]; |
group-ESP8266 | 0:b887535f68bf | 84 | int rcount = socket.recv(rbuffer, sizeof rbuffer); |
group-ESP8266 | 0:b887535f68bf | 85 | printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer); |
group-ESP8266 | 0:b887535f68bf | 86 | |
group-ESP8266 | 0:b887535f68bf | 87 | // Close the socket to return its memory and bring down the network interface |
group-ESP8266 | 0:b887535f68bf | 88 | socket.close(); |
group-ESP8266 | 0:b887535f68bf | 89 | } |
group-ESP8266 | 0:b887535f68bf | 90 | |
group-ESP8266 | 0:b887535f68bf | 91 | int main() |
group-ESP8266 | 0:b887535f68bf | 92 | { |
group-ESP8266 | 0:b887535f68bf | 93 | printf("WiFi example\r\n\r\n"); |
group-ESP8266 | 0:b887535f68bf | 94 | |
group-ESP8266 | 0:b887535f68bf | 95 | // Scan for available access points |
group-ESP8266 | 0:b887535f68bf | 96 | scan_demo(&wifi); |
group-ESP8266 | 0:b887535f68bf | 97 | |
group-ESP8266 | 0:b887535f68bf | 98 | printf("\r\nConnecting...\r\n"); |
group-ESP8266 | 0:b887535f68bf | 99 | int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); |
group-ESP8266 | 0:b887535f68bf | 100 | if (ret != 0) { |
group-ESP8266 | 0:b887535f68bf | 101 | printf("\r\nConnection error\r\n"); |
group-ESP8266 | 0:b887535f68bf | 102 | return -1; |
group-ESP8266 | 0:b887535f68bf | 103 | } |
group-ESP8266 | 0:b887535f68bf | 104 | |
group-ESP8266 | 0:b887535f68bf | 105 | printf("Success\r\n\r\n"); |
group-ESP8266 | 0:b887535f68bf | 106 | printf("MAC: %s\r\n", wifi.get_mac_address()); |
group-ESP8266 | 0:b887535f68bf | 107 | printf("IP: %s\r\n", wifi.get_ip_address()); |
group-ESP8266 | 0:b887535f68bf | 108 | printf("Netmask: %s\r\n", wifi.get_netmask()); |
group-ESP8266 | 0:b887535f68bf | 109 | printf("Gateway: %s\r\n", wifi.get_gateway()); |
group-ESP8266 | 0:b887535f68bf | 110 | printf("RSSI: %d\r\n\r\n", wifi.get_rssi()); |
group-ESP8266 | 0:b887535f68bf | 111 | |
group-ESP8266 | 0:b887535f68bf | 112 | http_demo(&wifi); |
group-ESP8266 | 0:b887535f68bf | 113 | |
group-ESP8266 | 0:b887535f68bf | 114 | wifi.disconnect(); |
group-ESP8266 | 0:b887535f68bf | 115 | |
group-ESP8266 | 0:b887535f68bf | 116 | printf("\r\nDone\r\n"); |
group-ESP8266 | 0:b887535f68bf | 117 | } |