this is using the mbed os version 5-13-1
source/network-helper.h
- Committer:
- ocomeni
- Date:
- 2019-02-28
- Revision:
- 73:6f5021cbe752
- Child:
- 74:f26e846adfe9
File content as of revision 73:6f5021cbe752:
#ifndef _MBED_HTTP_EXAMPLE_H_
#define _MBED_HTTP_EXAMPLE_H_
#include "mbed.h"
#ifdef TARGET_SIMULATOR
#include "EthernetInterface.h"
#endif
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";
}
}
int scan_demo(WiFiInterface *wifi)
{
WiFiAccessPoint *ap;
printf("Scan:\n");
int count = wifi->scan(NULL,0);
if (count <= 0) {
printf("scan() failed with return value: %d\n", count);
return 0;
}
/* Limit number of network arbitrary to 15 */
count = count < 15 ? count : 15;
ap = new WiFiAccessPoint[count];
count = wifi->scan(ap, count);
if (count <= 0) {
printf("scan() failed with return value: %d\n", count);
return 0;
}
for (int i = 0; i < count; i++) {
printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\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.\n", count);
delete[] ap;
return count;
}
/**
* Connect to the network using the default networking interface,
* you can also swap this out with a driver for a different networking interface
* if you use WiFi: see mbed_app.json for the credentials
*/
NetworkInterface *connect_to_default_network_interface() {
printf("[NWKH] Connecting to network...\n");
#ifdef TARGET_SIMULATOR
NetworkInterface* network = new EthernetInterface();
#else
//NetworkInterface* network = NetworkInterface::get_default_instance();
WiFiInterface *network = WiFiInterface::get_default_instance();
if (!network) {
printf("ERROR: No WiFiInterface found.\n");
return NULL;
}
int count;
count = scan_demo(network);
if (count == 0) {
printf("No WIFI APNs found - can't continue further.\n");
return NULL;
}
//printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
//ret = network->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
//if (ret != 0) {
// printf("\nConnection error: %d\n", ret);
// return -1;
//}
#endif
//nsapi_error_t connect_status = network->connect();
nsapi_error_t connect_status = network->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
if (connect_status != NSAPI_ERROR_OK) {
printf("[NWKH] Failed to connect to network (%d)\n", connect_status);
return NULL;
}
printf("[NWKH] Connected to the network\n");
printf("[NWKH] IP address: %s\n", network->get_ip_address());
return network;
}
#endif // _MBED_HTTP_EXAMPLE_H_