Aleksandar Lukic / Mbed OS 19E042PIM_T3_2020_0247

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Dependencies:   Adafruit_GFX 19E042PIM_MB_PINS

Files at this revision

API Documentation at this revision

Revision 1:23fbbef17db0, committed 2021-12-11

Comitter:
lule
Date:
Sat Dec 11 16:27:59 2021 +0000
Parent:
0:3ce69fe83309
Commit message:
Aleksandar Lukic;

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
--- a/main.cpp	Sat Dec 11 15:52:37 2021 +0000
+++ b/main.cpp	Sat Dec 11 16:27:59 2021 +0000
@@ -36,10 +36,11 @@
 Adafruit_SSD1306_I2c myOLED(i2c_obj, PB_5, I2C_ADD_MBED, OLED_HEIGHT_PX, OLED_WIDTH_PX);
 
 char* topic_sub = "subpim";
-char* topic_pub = "pubpim26";
+char* topic_pub = "pubpim";
 const char* hostname = "broker.hivemq.com";
 int port = 1883;
 int button_pressed = 0;
+int send_data = 0;
 /* function definition */
 
 void messageArrived(MQTT::MessageData& md)
@@ -47,11 +48,16 @@
     MQTT::Message &message = md.message;
     //printf("Browser message: %.*s \n", message.payloadlen, (char*)message.payload);
     
-    myOLED.begin();
     myOLED.clearDisplay();
     myOLED.setTextCursor(0, 0);
     myOLED.printf("%.*s", message.payloadlen, (char*)message.payload);
     myOLED.display();
+    
+    /*if(((char*)message.payload[0] == 's') && ((char*)message.payload[1] == 't') &&
+       ((char*)message.payload[2] == 'a') && ((char*)message.payload[3] == 'r') &&
+       ((char*)message.payload[4] == 't')){
+        send_data = 1;
+    }*/
 }
 
 void ISR_sw1()
@@ -63,6 +69,7 @@
 
 int main()
 {
+    myOLED.begin();
     sw1.fall(&ISR_sw1); // sw1 interrupt
     
     wifi = WiFiInterface::get_default_instance(); //init wifi
@@ -73,9 +80,9 @@
         //myOLED.display();
         return -1;
     }
-    //myOLED.printf("Success\n");
-    //myOLED.display();
-    //wait(2);
+    myOLED.printf("Success\n");
+    myOLED.display();
+    wait(2);
     
     socket.open(wifi);
     socket.connect(hostname,port);
@@ -89,8 +96,8 @@
     
     i2c_obj.frequency(I2C_FREQUENCY); 
      
-    //myOLED.clearDisplay();
-    //myOLED.display();
+    myOLED.clearDisplay();
+    myOLED.display();
     
     
     while(1) {
@@ -100,6 +107,12 @@
             button_pressed = 0;
             char buf[100];
             sprintf(buf, "V(POT1) = %1.2f \r\n", pot1*(3.3f));
+            
+            myOLED.clearDisplay();
+            myOLED.setTextCursor(0, 0);
+            //myOLED.printf("%.*s", buf.payloadlen, (char*)buf.payload);
+            myOLED.display();
+            
             message.qos = MQTT::QOS0;
             message.retained = false;
             message.dup = false;