Okundu Omeni / Mbed OS wifi-https-ble-sm-uart-atcmd-5-13-1

this is using the mbed os version 5-13-1

Dependencies:   mbed-http

source/network-helper.h@129:590bdc2dcf5b, 2019-07-19 (annotated)

Committer:
ocomeni
Date:
Fri Jul 19 16:49:26 2019 +0000
Branch:
PassingRegression
Revision:
129:590bdc2dcf5b
Parent:
75:08eff6258e1b 
Implementation of Access token acquisition; 1. make request with credentials - DONE; 2. get response - DONE; 3. extract Id and refresh tokens from response - DONE; 4. integrate with code - DONE; Testing ongoing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ocomeni 73:6f5021cbe752 1 #ifndef _MBED_HTTP_EXAMPLE_H_
ocomeni 73:6f5021cbe752 2 #define _MBED_HTTP_EXAMPLE_H_
ocomeni 73:6f5021cbe752 3
ocomeni 73:6f5021cbe752 4 #include "mbed.h"
ocomeni 73:6f5021cbe752 5 #ifdef TARGET_SIMULATOR
ocomeni 73:6f5021cbe752 6 #include "EthernetInterface.h"
ocomeni 73:6f5021cbe752 7 #endif
ocomeni 73:6f5021cbe752 8
ocomeni 73:6f5021cbe752 9
ocomeni 73:6f5021cbe752 10 const char * sec2str(nsapi_security_t sec)
ocomeni 73:6f5021cbe752 11 {
ocomeni 73:6f5021cbe752 12 switch (sec) {
ocomeni 73:6f5021cbe752 13 case NSAPI_SECURITY_NONE:
ocomeni 73:6f5021cbe752 14 return "None";
ocomeni 73:6f5021cbe752 15 case NSAPI_SECURITY_WEP:
ocomeni 73:6f5021cbe752 16 return "WEP";
ocomeni 73:6f5021cbe752 17 case NSAPI_SECURITY_WPA:
ocomeni 73:6f5021cbe752 18 return "WPA";
ocomeni 73:6f5021cbe752 19 case NSAPI_SECURITY_WPA2:
ocomeni 73:6f5021cbe752 20 return "WPA2";
ocomeni 73:6f5021cbe752 21 case NSAPI_SECURITY_WPA_WPA2:
ocomeni 73:6f5021cbe752 22 return "WPA/WPA2";
ocomeni 73:6f5021cbe752 23 case NSAPI_SECURITY_UNKNOWN:
ocomeni 73:6f5021cbe752 24 default:
ocomeni 73:6f5021cbe752 25 return "Unknown";
ocomeni 73:6f5021cbe752 26 }
ocomeni 73:6f5021cbe752 27 }
ocomeni 74:f26e846adfe9 28 #define MAX_CHANNEL_NUM 4
ocomeni 74:f26e846adfe9 29 const int channel_list [] = {1,11, 36, 44};
ocomeni 74:f26e846adfe9 30 int getAPcount(WiFiInterface *wifi)
ocomeni 74:f26e846adfe9 31 {
ocomeni 74:f26e846adfe9 32 int count = 0;
ocomeni 74:f26e846adfe9 33 for(uint8_t idx=0; idx< MAX_CHANNEL_NUM;idx++){
ocomeni 74:f26e846adfe9 34 printf("\n Scanning channel %d - APs so far = %d\n", channel_list[idx], count);
ocomeni 74:f26e846adfe9 35 wifi->set_channel(channel_list[idx]);
ocomeni 74:f26e846adfe9 36 count += wifi->scan(NULL,0);
ocomeni 74:f26e846adfe9 37 wait_ms(150); // wait for 150 ms between scans
ocomeni 74:f26e846adfe9 38 }
ocomeni 74:f26e846adfe9 39 printf("\n Total APs found = %d\n", count);
ocomeni 74:f26e846adfe9 40 return count;
ocomeni 74:f26e846adfe9 41 }
ocomeni 74:f26e846adfe9 42
ocomeni 74:f26e846adfe9 43 #define MAX_APs_PER_CHAN 3
ocomeni 74:f26e846adfe9 44 int getAPdetails(WiFiAccessPoint *ap, WiFiInterface *wifi, int apCount)
ocomeni 74:f26e846adfe9 45 {
ocomeni 74:f26e846adfe9 46 int count =0;
ocomeni 74:f26e846adfe9 47 for(uint8_t idx=0; idx< MAX_CHANNEL_NUM;idx++){
ocomeni 74:f26e846adfe9 48 printf("\n Scanning channel %d - APs so far = %d apCount =%d\n", channel_list[idx], count, apCount);
ocomeni 74:f26e846adfe9 49 wifi->set_channel(channel_list[idx]);
ocomeni 74:f26e846adfe9 50 count += wifi->scan(&ap[count],(apCount - count) % MAX_APs_PER_CHAN);
ocomeni 74:f26e846adfe9 51 wait_ms(150); // wait for 150 ms between scans
ocomeni 74:f26e846adfe9 52 if(count >= apCount) break;
ocomeni 74:f26e846adfe9 53 }
ocomeni 74:f26e846adfe9 54 wifi->set_channel(0);
ocomeni 74:f26e846adfe9 55 printf("\n Total APs found = %d\n", count);
ocomeni 74:f26e846adfe9 56 return count;
ocomeni 74:f26e846adfe9 57 }
ocomeni 74:f26e846adfe9 58
ocomeni 74:f26e846adfe9 59 int scan_demo2(WiFiInterface *wifi)
ocomeni 74:f26e846adfe9 60 {
ocomeni 74:f26e846adfe9 61 WiFiAccessPoint *ap;
ocomeni 74:f26e846adfe9 62
ocomeni 74:f26e846adfe9 63 printf("Scan:\n");
ocomeni 74:f26e846adfe9 64
ocomeni 74:f26e846adfe9 65 //int count = wifi->scan(NULL,0);
ocomeni 74:f26e846adfe9 66 int count;
ocomeni 74:f26e846adfe9 67 count = getAPcount(wifi);
ocomeni 74:f26e846adfe9 68 if (count <= 0) {
ocomeni 74:f26e846adfe9 69 printf("scan() failed with return value: %d\n", count);
ocomeni 74:f26e846adfe9 70 return 0;
ocomeni 74:f26e846adfe9 71 }
ocomeni 74:f26e846adfe9 72
ocomeni 74:f26e846adfe9 73 /* Limit number of network arbitrary to 15 */
ocomeni 74:f26e846adfe9 74 count = count < 15 ? count : 15;
ocomeni 74:f26e846adfe9 75
ocomeni 74:f26e846adfe9 76 ap = new WiFiAccessPoint[count];
ocomeni 74:f26e846adfe9 77 //count = wifi->scan(ap, count);
ocomeni 74:f26e846adfe9 78 count = getAPdetails(ap, wifi, count);
ocomeni 74:f26e846adfe9 79
ocomeni 74:f26e846adfe9 80 if (count <= 0) {
ocomeni 74:f26e846adfe9 81 printf("scan() failed with return value: %d\n", count);
ocomeni 74:f26e846adfe9 82 return 0;
ocomeni 74:f26e846adfe9 83 }
ocomeni 74:f26e846adfe9 84
ocomeni 74:f26e846adfe9 85 for (int i = 0; i < count; i++) {
ocomeni 74:f26e846adfe9 86 printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(),
ocomeni 74:f26e846adfe9 87 sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
ocomeni 74:f26e846adfe9 88 ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
ocomeni 74:f26e846adfe9 89 }
ocomeni 74:f26e846adfe9 90 printf("%d networks available.\n", count);
ocomeni 74:f26e846adfe9 91
ocomeni 74:f26e846adfe9 92 delete[] ap;
ocomeni 74:f26e846adfe9 93 return count;
ocomeni 74:f26e846adfe9 94 }
ocomeni 74:f26e846adfe9 95
ocomeni 73:6f5021cbe752 96
ocomeni 73:6f5021cbe752 97 int scan_demo(WiFiInterface *wifi)
ocomeni 73:6f5021cbe752 98 {
ocomeni 73:6f5021cbe752 99 WiFiAccessPoint *ap;
ocomeni 73:6f5021cbe752 100
ocomeni 73:6f5021cbe752 101 printf("Scan:\n");
ocomeni 73:6f5021cbe752 102
ocomeni 73:6f5021cbe752 103 int count = wifi->scan(NULL,0);
ocomeni 73:6f5021cbe752 104
ocomeni 73:6f5021cbe752 105 if (count <= 0) {
ocomeni 73:6f5021cbe752 106 printf("scan() failed with return value: %d\n", count);
ocomeni 73:6f5021cbe752 107 return 0;
ocomeni 73:6f5021cbe752 108 }
ocomeni 73:6f5021cbe752 109
ocomeni 73:6f5021cbe752 110 /* Limit number of network arbitrary to 15 */
ocomeni 73:6f5021cbe752 111 count = count < 15 ? count : 15;
ocomeni 73:6f5021cbe752 112
ocomeni 73:6f5021cbe752 113 ap = new WiFiAccessPoint[count];
ocomeni 73:6f5021cbe752 114 count = wifi->scan(ap, count);
ocomeni 73:6f5021cbe752 115
ocomeni 73:6f5021cbe752 116 if (count <= 0) {
ocomeni 73:6f5021cbe752 117 printf("scan() failed with return value: %d\n", count);
ocomeni 73:6f5021cbe752 118 return 0;
ocomeni 73:6f5021cbe752 119 }
ocomeni 73:6f5021cbe752 120
ocomeni 73:6f5021cbe752 121 for (int i = 0; i < count; i++) {
ocomeni 73:6f5021cbe752 122 printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(),
ocomeni 73:6f5021cbe752 123 sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
ocomeni 73:6f5021cbe752 124 ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
ocomeni 73:6f5021cbe752 125 }
ocomeni 73:6f5021cbe752 126 printf("%d networks available.\n", count);
ocomeni 73:6f5021cbe752 127
ocomeni 73:6f5021cbe752 128 delete[] ap;
ocomeni 73:6f5021cbe752 129 return count;
ocomeni 73:6f5021cbe752 130 }
ocomeni 73:6f5021cbe752 131
ocomeni 73:6f5021cbe752 132
ocomeni 74:f26e846adfe9 133
ocomeni 73:6f5021cbe752 134 /**
ocomeni 73:6f5021cbe752 135 * Connect to the network using the default networking interface,
ocomeni 73:6f5021cbe752 136 * you can also swap this out with a driver for a different networking interface
ocomeni 73:6f5021cbe752 137 * if you use WiFi: see mbed_app.json for the credentials
ocomeni 73:6f5021cbe752 138 */
ocomeni 73:6f5021cbe752 139 NetworkInterface *connect_to_default_network_interface() {
ocomeni 73:6f5021cbe752 140 printf("[NWKH] Connecting to network...\n");
ocomeni 73:6f5021cbe752 141
ocomeni 73:6f5021cbe752 142 #ifdef TARGET_SIMULATOR
ocomeni 73:6f5021cbe752 143 NetworkInterface* network = new EthernetInterface();
ocomeni 73:6f5021cbe752 144 #else
ocomeni 73:6f5021cbe752 145 //NetworkInterface* network = NetworkInterface::get_default_instance();
ocomeni 73:6f5021cbe752 146 WiFiInterface *network = WiFiInterface::get_default_instance();
ocomeni 73:6f5021cbe752 147 if (!network) {
ocomeni 73:6f5021cbe752 148 printf("ERROR: No WiFiInterface found.\n");
ocomeni 73:6f5021cbe752 149 return NULL;
ocomeni 73:6f5021cbe752 150 }
ocomeni 74:f26e846adfe9 151 nsapi_error_t error;
ocomeni 74:f26e846adfe9 152
ocomeni 74:f26e846adfe9 153 error = network->set_blocking(false);
ocomeni 74:f26e846adfe9 154 printf("Wifi Interface set to Non-Blocking .\n");
ocomeni 75:08eff6258e1b 155 printf("Waiting for 5 seconds before starting scan...\n");
ocomeni 75:08eff6258e1b 156 for(int i=0;i<5;i++){
ocomeni 74:f26e846adfe9 157 printf("%d", i);
ocomeni 74:f26e846adfe9 158 wait(1);
ocomeni 74:f26e846adfe9 159 }
ocomeni 73:6f5021cbe752 160 int count;
ocomeni 73:6f5021cbe752 161 count = scan_demo(network);
ocomeni 74:f26e846adfe9 162 //count = scan_demo2(network);
ocomeni 73:6f5021cbe752 163 if (count == 0) {
ocomeni 73:6f5021cbe752 164 printf("No WIFI APNs found - can't continue further.\n");
ocomeni 73:6f5021cbe752 165 return NULL;
ocomeni 73:6f5021cbe752 166 }
ocomeni 73:6f5021cbe752 167
ocomeni 74:f26e846adfe9 168 printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
ocomeni 73:6f5021cbe752 169 //ret = network->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
ocomeni 73:6f5021cbe752 170 //if (ret != 0) {
ocomeni 73:6f5021cbe752 171 // printf("\nConnection error: %d\n", ret);
ocomeni 73:6f5021cbe752 172 // return -1;
ocomeni 73:6f5021cbe752 173 //}
ocomeni 73:6f5021cbe752 174 #endif
ocomeni 75:08eff6258e1b 175 printf("Waiting for 5 seconds before connecting...\n");
ocomeni 75:08eff6258e1b 176 for(int i=0;i<5;i++){
ocomeni 74:f26e846adfe9 177 printf("%d", i);
ocomeni 74:f26e846adfe9 178 wait(1);
ocomeni 74:f26e846adfe9 179 }
ocomeni 73:6f5021cbe752 180
ocomeni 73:6f5021cbe752 181 //nsapi_error_t connect_status = network->connect();
ocomeni 73:6f5021cbe752 182 nsapi_error_t connect_status = network->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
ocomeni 73:6f5021cbe752 183
ocomeni 73:6f5021cbe752 184 if (connect_status != NSAPI_ERROR_OK) {
ocomeni 73:6f5021cbe752 185 printf("[NWKH] Failed to connect to network (%d)\n", connect_status);
ocomeni 73:6f5021cbe752 186 return NULL;
ocomeni 73:6f5021cbe752 187 }
ocomeni 73:6f5021cbe752 188
ocomeni 73:6f5021cbe752 189 printf("[NWKH] Connected to the network\n");
ocomeni 73:6f5021cbe752 190 printf("[NWKH] IP address: %s\n", network->get_ip_address());
ocomeni 73:6f5021cbe752 191 return network;
ocomeni 73:6f5021cbe752 192 }
ocomeni 73:6f5021cbe752 193
ocomeni 73:6f5021cbe752 194 #endif // _MBED_HTTP_EXAMPLE_H_