serial transmission working!

Feather9x_TX_RX_serial/Feather9x_TX_RX_serial.ino

@@ -56,22 +56,38 @@ int incomingByte = 0;
 
 // Serial imput
 const byte numChars = RH_RF95_MAX_MESSAGE_LEN;
+char receivedChars[numChars];
 
 void loop() {
-  // Transmit code
-  delay(1000); // Wait 1 second between transmits, could also 'sleep' here!
-  Serial.println("Transmitting..."); // Send a message to rf95_server
+  strcpy(receivedChars, "");
+  int dataReceived = 0;
 
-  char radiopacket[RH_RF95_MAX_MESSAGE_LEN] = "       You can't read thisf dsa fdsa fdsa fdsa fdsa fdsa fdsa fdsa fdsa fdsf";
-  itoa(packetnum++, radiopacket+max_message_with_packet_num, 10);
-  Serial.print("Sending "); Serial.println(radiopacket);
+  while (Serial.available() > 0) {
+    dataReceived = 1;
+    static byte ndx = 0;
+    // read the incoming byte:
+    incomingByte = Serial.read();
+    // say what you got:
+    receivedChars[ndx] = incomingByte;
+    ndx++;
+  }
 
-  // Serial.println("Sending..."); delay(10);
-  rf95.send((uint8_t *)radiopacket, RH_RF95_MAX_MESSAGE_LEN);
+  if (dataReceived) {
+    dataReceived = 0;
+    Serial.print("I received: ");
+    Serial.println(receivedChars);
 
-  // Serial.println("Waiting for packet to complete..."); delay(10);
-  rf95.waitPacketSent();
+    // Transmit code
+    Serial.println("Transmitting..."); // Send a message to rf95_server
     
+    Serial.print("Sending "); Serial.println(receivedChars);
+    
+    // Serial.println("Sending..."); delay(10);
+    rf95.send((uint8_t *)receivedChars, RH_RF95_MAX_MESSAGE_LEN);
+
+    // Serial.println("Waiting for packet to complete..."); delay(10);
+    rf95.waitPacketSent();
+  }
   // Receiver code
   if (rf95.available()) {
     // Should be a message for us now   
@@ -82,26 +98,9 @@ void loop() {
       digitalWrite(LED_BUILTIN, HIGH);
       // RH_RF95::printBuffer("Received: ", buf, len);
       Serial.print("Got: ");
-      // Serial.println((char*)buf);
+      Serial.println((char*)buf);
       // Serial.print("RSSI: ");
       // Serial.println(rf95.lastRssi(), DEC);
     }
   }
-
-  char receivedChars[numChars];
-  int dataReceived = 0;
-  while (Serial.available() > 0) {
-    dataReceived = 1;
-    static byte ndx = 0;
-    // read the incoming byte:
-    incomingByte = Serial.read();
-    // say what you got:
-    receivedChars[ndx] = incomingByte;
-    ndx++;
-  }
-  if (dataReceived) {
-    dataReceived = 0;
-    Serial.print("I received: ");
-    Serial.println(receivedChars);
-  }
 }