[SX127x] Fixed order of ISR functions in examples

examples/SX127x/SX127x_Channel_Activity_Detection_Interrupt/SX127x_Channel_Activity_Detection_Interrupt.ino

@@ -34,6 +34,36 @@ SX1278 radio = new Module(10, 2, 9, 3);
 Radio radio = new RadioModule();
 */
 
+// flag to indicate that a preamble was not detected
+volatile bool timeoutFlag = false;
+
+// flag to indicate that a preamble was detected
+volatile bool detectedFlag = false;
+
+// this function is called when no preamble
+// is detected within timeout period
+// IMPORTANT: this function MUST be 'void' type
+//            and MUST NOT have any arguments!
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlagTimeout(void) {
+  // we timed out, set the flag
+  timeoutFlag = true;
+}
+
+// this function is called when LoRa preamble
+// is detected within timeout period
+// IMPORTANT: this function MUST be 'void' type
+//            and MUST NOT have any arguments!
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlagDetected(void) {
+  // we got a preamble, set the flag
+  detectedFlag = true;
+}
+
 void setup() {
   // Serial port speed must be high enough for this example
   Serial.begin(115200);
@@ -68,36 +98,6 @@ void setup() {
   }
 }
 
-// flag to indicate that a preamble was not detected
-volatile bool timeoutFlag = false;
-
-// flag to indicate that a preamble was detected
-volatile bool detectedFlag = false;
-
-// this function is called when no preamble
-// is detected within timeout period
-// IMPORTANT: this function MUST be 'void' type
-//            and MUST NOT have any arguments!
-#if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
-#endif
-void setFlagTimeout(void) {
-  // we timed out, set the flag
-  timeoutFlag = true;
-}
-
-// this function is called when LoRa preamble
-// is detected within timeout period
-// IMPORTANT: this function MUST be 'void' type
-//            and MUST NOT have any arguments!
-#if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
-#endif
-void setFlagDetected(void) {
-  // we got a preamble, set the flag
-  detectedFlag = true;
-}
-
 void loop() {
   // check if we need to restart channel activity detection
   if(detectedFlag || timeoutFlag) {

examples/SX127x/SX127x_Channel_Activity_Detection_Receive/SX127x_Channel_Activity_Detection_Receive.ino

@@ -39,6 +39,39 @@ SX1278 radio = new Module(10, 2, 9, 3);
 Radio radio = new RadioModule();
 */
 
+// flag to indicate that a preamble was not detected
+volatile bool timeoutFlag = false;
+
+// flag to indicate that a preamble was detected
+volatile bool detectedFlag = false;
+
+// flag to indicate if we are currently receiving
+bool receiving = false;
+
+// this function is called when no preamble
+// is detected within timeout period
+// IMPORTANT: this function MUST be 'void' type
+//            and MUST NOT have any arguments!
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlagTimeout(void) {
+  // we timed out, set the flag
+  timeoutFlag = true;
+}
+
+// this function is called when LoRa preamble
+// is detected within timeout period
+// IMPORTANT: this function MUST be 'void' type
+//            and MUST NOT have any arguments!
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlagDetected(void) {
+  // we got a preamble, set the flag
+  detectedFlag = true;
+}
+
 void setup() {
   // Serial port speed must be high enough for this example
   Serial.begin(115200);
@@ -74,39 +107,6 @@ void setup() {
   }
 }
 
-// flag to indicate that a preamble was not detected
-volatile bool timeoutFlag = false;
-
-// flag to indicate that a preamble was detected
-volatile bool detectedFlag = false;
-
-// flag to indicate if we are currently receiving
-bool receiving = false;
-
-// this function is called when no preamble
-// is detected within timeout period
-// IMPORTANT: this function MUST be 'void' type
-//            and MUST NOT have any arguments!
-#if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
-#endif
-void setFlagTimeout(void) {
-  // we timed out, set the flag
-  timeoutFlag = true;
-}
-
-// this function is called when LoRa preamble
-// is detected within timeout period
-// IMPORTANT: this function MUST be 'void' type
-//            and MUST NOT have any arguments!
-#if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
-#endif
-void setFlagDetected(void) {
-  // we got a preamble, set the flag
-  detectedFlag = true;
-}
-
 void loop() {
   // check if we need to restart channel activity detection
   if(detectedFlag || timeoutFlag) {

examples/SX127x/SX127x_Receive_Direct/SX127x_Receive_Direct.ino

@@ -32,6 +32,12 @@ const int pin = 5;
 Radio radio = new RadioModule();
 */
 
+// this function is called when a new bit is received
+void readBit(void) {
+  // read the data bit
+  radio.readBit(pin);
+}
+
 void setup() {
   Serial.begin(9600);
 
@@ -59,12 +65,6 @@ void setup() {
   radio.receiveDirect();
 }
 
-// this function is called when a new bit is received
-void readBit(void) {
-  // read the data bit
-  radio.readBit(pin);
-}
-
 void loop() {
   // we expect the packet to contain the string "Hello World!",
   // a length byte and 2 CRC bytes, that's 15 bytes in total

examples/SX127x/SX127x_Receive_Interrupt/SX127x_Receive_Interrupt.ino

@@ -39,6 +39,21 @@ SX1278 radio = new Module(10, 2, 9, 3);
 Radio radio = new RadioModule();
 */
 
+// flag to indicate that a packet was received
+volatile bool receivedFlag = false;
+
+// this function is called when a complete packet
+// is received by the module
+// IMPORTANT: this function MUST be 'void' type
+//            and MUST NOT have any arguments!
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlag(void) {
+  // we got a packet, set the flag
+  receivedFlag = true;
+}
+
 void setup() {
   Serial.begin(9600);
 
@@ -78,21 +93,6 @@ void setup() {
   // radio.scanChannel();
 }
 
-// flag to indicate that a packet was received
-volatile bool receivedFlag = false;
-
-// this function is called when a complete packet
-// is received by the module
-// IMPORTANT: this function MUST be 'void' type
-//            and MUST NOT have any arguments!
-#if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
-#endif
-void setFlag(void) {
-  // we got a packet, set the flag
-  receivedFlag = true;
-}
-
 void loop() {
   // check if the flag is set
   if(receivedFlag) {

examples/SX127x/SX127x_Transmit_Interrupt/SX127x_Transmit_Interrupt.ino

@@ -38,6 +38,21 @@ Radio radio = new RadioModule();
 // save transmission state between loops
 int transmissionState = RADIOLIB_ERR_NONE;
 
+// flag to indicate that a packet was sent
+volatile bool transmittedFlag = false;
+
+// this function is called when a complete packet
+// is transmitted by the module
+// IMPORTANT: this function MUST be 'void' type
+//            and MUST NOT have any arguments!
+#if defined(ESP8266) || defined(ESP32)
+  ICACHE_RAM_ATTR
+#endif
+void setFlag(void) {
+  // we sent a packet, set the flag
+  transmittedFlag = true;
+}
+
 void setup() {
   Serial.begin(9600);
 
@@ -71,21 +86,6 @@ void setup() {
   */
 }
 
-// flag to indicate that a packet was sent
-volatile bool transmittedFlag = false;
-
-// this function is called when a complete packet
-// is transmitted by the module
-// IMPORTANT: this function MUST be 'void' type
-//            and MUST NOT have any arguments!
-#if defined(ESP8266) || defined(ESP32)
-  ICACHE_RAM_ATTR
-#endif
-void setFlag(void) {
-  // we sent a packet, set the flag
-  transmittedFlag = true;
-}
-
 // counter to keep track of transmitted packets
 int count = 0;