Revision 1:276a09a95334, committed 2020-05-02

Comitter:

nenad

Date:

Sat May 02 17:58:25 2020 +0000

Parent:

0:75fa10a22545

Child:

2:cbf978e1cc09

Commit message:

PMK2020 MQTT ESP8266 client

Changed in this revision

--- a/main.cpp	Thu Apr 30 23:31:41 2020 +0000
+++ b/main.cpp	Sat May 02 17:58:25 2020 +0000
@@ -4,14 +4,14 @@
  */
 
 #include "mbed.h"
-#include "EthernetInterface.h"
+//#include "EthernetInterface.h"
 #include "platform/mbed_thread.h"
 #include <MQTTClientMbedOs.h>
 // Blinking rate in milliseconds
 #define BLINKING_RATE_MS                                                    500
 // Initialise the digital pin LED1 as an output
     DigitalOut led(LED1);
-Serial pc(USBTX,USBRX);
+
 
 InterruptIn button(USER_BUTTON);
 
@@ -27,11 +27,69 @@
     char* topic_sub = "mbed-sample-sub";
 
 
+
+
+WiFiInterface *wifi;
+
+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;
+}
+
 void messageArrived(MQTT::MessageData& md)
 {
     MQTT::Message &message = md.message;
-    pc.printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id);
-    pc.printf("Payload %.*s\r\n", message.payloadlen, (char*)message.payload);
+    printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id);
+    printf("Payload %.*s\r\n", message.payloadlen, (char*)message.payload);
     ++arrivedcount;
 }
 
@@ -51,19 +109,39 @@
     const char* hostname = "broker.mqttdashboard.com";
     int port = 1883;    
     // Network interface
-    EthernetInterface net;
+    //EthernetInterface net;
     
-    // Bring up the ethernet interface
-    printf("Ethernet socket example\n");
-    net.connect();
+    wifi = WiFiInterface::get_default_instance();
+    if (!wifi) {
+        printf("ERROR: No WiFiInterface found.\n");
+        return -1;
+    }
+
+    int count = scan_demo(wifi);
+    if (count == 0) {
+        printf("No WIFI APs found - can't continue further.\n");
+        return -1;
+    }
 
-    // Show the network address
-    const char *ip = net.get_ip_address();
-    pc.printf("IP address is: %s\n", ip ? ip : "No IP");
-        
+    printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
+    int ret = wifi->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;
+    }
+
+    printf("Success\n\n");
+    printf("MAC: %s\n", wifi->get_mac_address());
+    printf("IP: %s\n", wifi->get_ip_address());
+    printf("Netmask: %s\n", wifi->get_netmask());
+    printf("Gateway: %s\n", wifi->get_gateway());
+    printf("RSSI: %d\n\n", wifi->get_rssi());   
+     
+    
+            
     
     //client = MQTTClient::(&socket);
-    socket.open(&net);
+    socket.open(wifi);
     socket.connect(hostname, port);
     
     int rc=0;
@@ -74,10 +152,10 @@
     //data.username.cstring = "testuser";
     //data.password.cstring = "testpassword";
     if ((rc = client.connect(data)) != 0)
-        pc.printf("rc from MQTT connect is %d\r\n", rc);
+        printf("rc from MQTT connect is %d\r\n", rc);
 
     if ((rc = client.subscribe(topic_sub, MQTT::QOS2, messageArrived)) != 0)
-        pc.printf("rc from MQTT subscribe is %d\r\n", rc);
+        printf("rc from MQTT subscribe is %d\r\n", rc);
 
     
       
@@ -90,7 +168,7 @@
         thread_sleep_for(BLINKING_RATE_MS);
         if (button_pressed==1) {
             button_pressed=0;    
-            pc.printf("sace publish\r\n");    
+            printf("sace publish\r\n");    
             // QoS 0
             char buf[100];
             sprintf(buf, "Hello World!  QoS 0 message from app version %f\r\n", version);
@@ -104,9 +182,9 @@
             //client.yield(1000);
             //pc.printf("izjildovo\r\n"); 
         }
-        pc.printf("sace jild\r\n"); 
+        printf("sace jild\r\n"); 
         client.yield(1000);
-        pc.printf("izjildovo\r\n"); 
+        printf("izjildovo\r\n"); 
         
     }
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_app.json	Sat May 02 17:58:25 2020 +0000
@@ -0,0 +1,33 @@
+{
+    "config": {
+        "wifi-ssid": {
+            "help": "WiFi SSID",
+            "value": "\"gojkbud\""
+        },
+        "wifi-password": {
+            "help": "WiFi Password",
+            "value": "\"popovi392013\""
+        }
+    },
+    "target_overrides": {
+        "*": {
+            "platform.stdio-convert-newlines": true
+        },
+        "NUCLEO_L476RG": {
+            "target.network-default-interface-type" : "WIFI",
+            "esp8266.tx"                        : "D8",
+            "esp8266.rx"                        : "D2",
+            "esp8266.provide-default"           : true,
+            "drivers.uart-serial-rxbuf-size"    : 1024,
+            "drivers.uart-serial-txbuf-size"    : 1024
+          },
+        "NUCLEO_F401RE": {
+            "target.network-default-interface-type" : "WIFI",
+            "esp8266.tx"                        : "D8",
+            "esp8266.rx"                        : "D2",
+            "esp8266.provide-default"           : true,
+            "drivers.uart-serial-rxbuf-size"    : 1024,
+            "drivers.uart-serial-txbuf-size"    : 1024
+          }
+    }
+}