Serial debug messages added for received UDP packages

.gitignore

@@ -3,3 +3,4 @@
 .vscode/c_cpp_properties.json
 .vscode/launch.json
 .vscode/ipch
+todo.txt

include/image.hpp

@@ -10,6 +10,8 @@
 #define IMAGE_WIDTH (PANEL_WIDTH * MAXIMUM_PANELSIZE)
 #define IMAGE_HEIGHT PANEL_HEIGHT
 
+#define IMAGE_BUFFER (IMAGE_WIDTH * IMAGE_HEIGHT)
+
 class Image
 {
   public:
@@ -21,7 +23,7 @@ class Image
   private:
     bool check_bounds(int x, int y);
 
-    uint8_t data[IMAGE_WIDTH * IMAGE_HEIGHT];
+    uint8_t data[IMAGE_BUFFER];
 
 };
 

src/LED-Board.cpp

@@ -59,16 +59,18 @@ void receiveUDP() {
       }
     }
     Serial.print(", port ");
-    Serial.println(Udp.remotePort());
+    Serial.print(Udp.remotePort());
     someOneIsConnected = true;
     if (packetSize < ((int) PACKET_LENGTH) ) {
       // read the packet into packetBufffer
       Udp.read(packetBuffer, UDP_TX_PACKET_MAX_SIZE);
     }
+    Serial.println("");
 
     if (packetSize == PACKET_LENGTH) {
       auto brightness = packetBuffer[0];
-      //OCR5A = brightness;
+      //TODO OCR5A = brightness;
+      image.clear_pixels();
       int offset = 0;
       for(int i = 0; i < PACKET_LENGTH; i++){
         uint8_t value = packetBuffer[i];
@@ -100,6 +102,7 @@ void receiveUDP() {
       }
 
     } else {
+      Serial.println(F("Wrong size"));
       sprintf(ReplyBuffer, "Wrong packet size %d", packetSize);
       // send a reply to the IP address and port that sent us the packet we received
       Udp.beginPacket(Udp.remoteIP(), Udp.remotePort());
@@ -184,11 +187,11 @@ void loop() {
     delay(10);
     if (someOneIsConnected == false) {
         default_image(&image);
+      Serial.print(F("."));
+    }
     panel1.send_image(&image);
     panel2.send_image(&image);
     panel3.send_image(&image);
     panel4.send_image(&image);
     panel5.send_image(&image);
-      Serial.println(F(".\n"));
-    }
 }

src/image.cpp

@@ -25,10 +25,34 @@ void Image::set_pixel_offset(int offset, byte value) {
   int x = offset % IMAGE_WIDTH;
   int y = floor(offset / IMAGE_WIDTH);
   if (check_bounds(x, y) == false) {
-    Serial.print(F("set_pixel outOfBound\n"));
+    Serial.print(F("set_pixel outOfBound"));
+    Serial.print(x);
+    Serial.print("x");
+    Serial.print(y);
+    Serial.print("\r\n");
     return;
   }
-  data[y * IMAGE_WIDTH + x] = value;
+
+  if (offset >= IMAGE_BUFFER) {
+    Serial.print(F("buffer out of index ["));
+    Serial.print(offset);
+    Serial.print(F("] : "));
+    Serial.print(x);
+    Serial.print("x");
+    Serial.print(y);
+    Serial.print("\r\n");
+    return;
+  }
+  if (value > 0) {
+    Serial.print(F("ON : "));
+    Serial.print(x);
+    Serial.print("x");
+    Serial.print(y);
+    Serial.print("\r\n");
+    return;
+  }
+
+  data[offset] = value;
 }
 
 void Image::set_pixel(int x, int y, byte value) {