[RF69] Renamed basic examples to _Blocking

examples/RF69/RF69_Receive_Blocking/RF69_Receive_Blocking.ino

@@ -1,5 +1,5 @@
 /*
-   RadioLib RF69 Receive Example
+  RadioLib RF69 Blocking Receive Example
 
   This example receives packets using RF69 FSK radio module.
   To successfully receive data, the following settings have to be the same
@@ -9,6 +9,11 @@
   - frequency deviation
   - sync word
 
+  Using blocking receive is not recommended, as it will lead
+  to significant amount of timeouts, inefficient use of processor
+  time and can miss some packets!
+  Instead, interrupt receive is recommended.
+
   For default module settings, see the wiki page
   https://github.com/jgromes/RadioLib/wiki/Default-configuration#rf69sx1231
 

examples/RF69/RF69_Transmit_Blocking/RF69_Transmit_Blocking.ino

@@ -1,5 +1,5 @@
 /*
-   RadioLib RF69 Transmit Example
+  RadioLib RF69 Blocking Transmit Example
 
   This example transmits packets using RF69 FSK radio module.
   Each packet contains up to 64 bytes of data, in the form of:
@@ -7,6 +7,10 @@
   - null-terminated char array (C-string)
   - arbitrary binary data (byte array)
 
+  Using blocking transmit is not recommended, as it will lead
+  to inefficient use of processor time!
+  Instead, interrupt transmit is recommended.
+
   For default module settings, see the wiki page
   https://github.com/jgromes/RadioLib/wiki/Default-configuration#rf69sx1231
 
@@ -59,11 +63,14 @@ void setup() {
   */
 }
 
+// counter to keep track of transmitted packets
+int count = 0;
+
 void loop() {
   Serial.print(F("[RF69] Transmitting packet ... "));
 
   // you can transmit C-string or Arduino string up to 64 characters long
-  int state = radio.transmit("Hello World!");
+  int state = radio.transmit("Hello World! #" + String(count++));
 
   // you can also transmit byte array up to 64 bytes long
   /*

examples/RF69/RF69_Transmit_Interrupt/RF69_Transmit_Interrupt.ino

@@ -96,6 +96,9 @@ void setFlag(void) {
   transmittedFlag = true;
 }
 
+// counter to keep track of transmitted packets
+int count = 0;
+
 void loop() {
   // check if the previous transmission finished
   if(transmittedFlag) {
@@ -128,14 +131,14 @@ void loop() {
     Serial.print(F("[RF69] Sending another packet ... "));
 
     // you can transmit C-string or Arduino string up to
-    // 256 characters long
-    transmissionState = radio.startTransmit("Hello World!");
+    // 64 characters long
+    transmissionState = radio.startTransmit("Hello World! #" + String(count++));
 
     // you can also transmit byte array up to 64 bytes long
     /*
       byte byteArr[] = {0x01, 0x23, 0x45, 0x67,
                         0x89, 0xAB, 0xCD, 0xEF};
-      int state = radio.startTransmit(byteArr, 8);
+      transmissionState = radio.startTransmit(byteArr, 8);
     */
   }
 }