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STM32F103C8T6 a demo with esp8266 pust onenet
Dependencies: cJSON_lib Common_lib EdpKit_lib DHT ESP8266 wifi_example
Diff: main.cpp
- Revision:
- 0:b887535f68bf
- Child:
- 2:1dbc3aa8ae3a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Thu Jan 12 20:21:45 2017 +0000 @@ -0,0 +1,117 @@ +/* WiFi Example + * Copyright (c) 2016 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "mbed.h" +#include "TCPSocket.h" + + +#include "ESP8266Interface.h" +ESP8266Interface wifi(D1, D0); + +const char *sec2str(nsapi_security_t sec) +{ + switch (sec) { + case NSAPI_SECURITY_NONE: + return "None"; + case NSAPI_SECURITY_WEP: + return "WEP"; + case NSAPI_SECURITY_WPA: + return "WPA"; + case NSAPI_SECURITY_WPA2: + return "WPA2"; + case NSAPI_SECURITY_WPA_WPA2: + return "WPA/WPA2"; + case NSAPI_SECURITY_UNKNOWN: + default: + return "Unknown"; + } +} + +void scan_demo(WiFiInterface *wifi) +{ + WiFiAccessPoint *ap; + + printf("Scan:\r\n"); + + int count = wifi->scan(NULL,0); + + /* Limit number of network arbitrary to 15 */ + count = count < 15 ? count : 15; + + ap = new WiFiAccessPoint[count]; + count = wifi->scan(ap, count); + for (int i = 0; i < count; i++) + { + printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\r\n", ap[i].get_ssid(), + sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2], + ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel()); + } + printf("%d networks available.\r\n", count); + + delete[] ap; +} + +void http_demo(NetworkInterface *net) +{ + TCPSocket socket; + + printf("Sending HTTP request to www.arm.com...\r\n"); + + // Open a socket on the network interface, and create a TCP connection to www.arm.com + socket.open(net); + socket.connect("www.arm.com", 80); + + // Send a simple http request + char sbuffer[] = "GET / HTTP/1.1\r\nHost: www.arm.com\r\n\r\n"; + int scount = socket.send(sbuffer, sizeof sbuffer); + printf("sent %d [%.*s]\r\n", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); + + // Recieve a simple http response and print out the response line + char rbuffer[64]; + int rcount = socket.recv(rbuffer, sizeof rbuffer); + printf("recv %d [%.*s]\r\n", rcount, strstr(rbuffer, "\r\n")-rbuffer, rbuffer); + + // Close the socket to return its memory and bring down the network interface + socket.close(); +} + +int main() +{ + printf("WiFi example\r\n\r\n"); + + // Scan for available access points + scan_demo(&wifi); + + printf("\r\nConnecting...\r\n"); + int ret = wifi.connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); + if (ret != 0) { + printf("\r\nConnection error\r\n"); + return -1; + } + + printf("Success\r\n\r\n"); + printf("MAC: %s\r\n", wifi.get_mac_address()); + printf("IP: %s\r\n", wifi.get_ip_address()); + printf("Netmask: %s\r\n", wifi.get_netmask()); + printf("Gateway: %s\r\n", wifi.get_gateway()); + printf("RSSI: %d\r\n\r\n", wifi.get_rssi()); + + http_demo(&wifi); + + wifi.disconnect(); + + printf("\r\nDone\r\n"); +}