Added Arduino codes for 4-node chain

examples/Node0/Node0.ino

@@ -0,0 +1,52 @@
+#include "KiteLib.h"
+
+HC05 bluetooth = Kite.ModuleA;
+SX1278 lora = Kite.ModuleB;
+
+void setup() {
+  Serial.begin(9600);
+
+  bluetooth.begin(9600);
+  Serial.println("[HC05] Port open!");
+
+  Serial.print("[SX1278] Initializing ... ");
+  byte state = lora.begin();
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+  } else {
+    Serial.print("failed, code 0x");
+    Serial.println(state, HEX);
+    while(true);
+  }
+}
+
+void loop() {
+  bool receivedFlag = false;
+  String receivedString;
+
+  Serial.println("[HC05] Waiting for incoming data ...");
+  while(bluetooth.available() > 0) {
+    char receivedCharacter = bluetooth.read();
+    receivedString += receivedCharacter;
+    if(receivedCharacter == '\n') {
+      Serial.print("[HC05] Received string: ");
+      Serial.println(receivedString);
+      receivedFlag = true;
+      break;
+    }
+  }
+
+  if(receivedFlag) {
+    receivedFlag = false;
+    Packet pack("01:23:45:67:89:AB:CD:EF", receivedString.c_str());
+    Serial.print("[SX1278] Transmitting packet ... ");
+    byte state = lora.transmit(pack);
+    if(state == ERR_NONE) {
+      Serial.println("success!");
+    } else {
+      Serial.print("failed, code 0x");
+      Serial.println(state, HEX);
+    }
+  }
+}
+

examples/Node1/Node1.ino

@@ -0,0 +1,70 @@
+#include "KiteLib.h"
+
+SX1278 lora = Kite.ModuleA;
+XBee bee = Kite.ModuleB;
+
+Packet pack;
+
+void setup() {
+  Serial.begin(9600);
+
+  Serial.print("[SX1278] Initializing ... ");
+  byte state = lora.begin();
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+  } else {
+    Serial.print("failed, code 0x");
+    Serial.println(state, HEX);
+    while(true);
+  }
+
+  bee.begin(9600);
+  Serial.println("[XBee] Port open!");
+}
+
+void loop() {
+  Serial.print("[SX1278] Waiting for incoming transmission ... ");
+  byte state = lora.receive(pack);
+
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+
+    char str[24];
+
+    pack.getSourceStr(str);
+    Serial.print("[SX1278] Source:\t\t");
+    Serial.println(str);
+
+    pack.getDestinationStr(str);
+    Serial.print("[SX1278] Destination:\t");
+    Serial.println(str);
+
+    Serial.print("[SX1278] Length:\t\t");
+    Serial.println(pack.length);
+
+    Serial.print("[SX1278] Data:\t\t");
+    Serial.println(pack.data);
+
+    Serial.print("[SX1278] Datarate:\t");
+    Serial.print(lora.dataRate);
+    Serial.println(" bps");
+
+    Serial.print("[SX1278] RSSI:\t\t");
+    Serial.print(lora.lastPacketRSSI);
+    Serial.println(" dBm");
+
+    Serial.print("[XBee] Sending packet ...");
+    state = bee.send(0x0013A200, 0x40A58A62, pack.data);
+    if(state == ERR_NONE) {
+      Serial.println("success!");
+    }
+    
+  } else if(state == ERR_RX_TIMEOUT) {
+    Serial.println("timeout!");
+    
+  } else if(state == ERR_CRC_MISMATCH) {
+    Serial.println("CRC error!");
+    
+  }
+}
+

examples/Node2/Node2.ino

@@ -0,0 +1,28 @@
+#include "KiteLib.h"
+
+XBee bee = Kite.ModuleA;
+RF69 rf = Kite.ModuleB;
+
+Packet pack;
+
+void setup() {
+  Serial.begin(9600);
+
+  bee.begin(9600);
+  Serial.println("[XBee] Port open!");
+
+  Serial.print("[RF69] Initializing ... ");
+  byte state = rf.begin();
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+  } else {
+    Serial.print("failed, code 0x");
+    Serial.println(state, HEX);
+    while(true);
+  }
+}
+
+void loop() {
+  
+}
+

examples/Node3/Node3.ino

@@ -0,0 +1,85 @@
+#include "KiteLib.h"
+
+RF69 rf = Kite.ModuleA;
+ESP8266 wifi = Kite.ModuleB;
+
+void setup() {
+  Serial.begin(9600);
+
+  Serial.print("[RF69] Initializing ... ");
+  byte state = rf.begin();
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+  } else {
+    Serial.print("failed, code 0x");
+    Serial.println(state, HEX);
+    while(true);
+  }
+
+  Serial.print("[ESP8266] Connecting ... ");
+  byte state = wifi.begin(9600);
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+  } else {
+    Serial.print("failed, code 0x");
+    Serial.println(state, HEX);
+    while(true);
+  }
+}
+
+void loop() {
+  Serial.print("[RF69] Waiting for incoming transmission ... ");
+  byte state = rf.receive(pack);
+
+  if(state == ERR_NONE) {
+    Serial.println("success!");
+
+    char str[24];
+
+    pack.getSourceStr(str);
+    Serial.print("[RF69] Source:\t\t");
+    Serial.println(str);
+
+    pack.getDestinationStr(str);
+    Serial.print("[RF69] Destination:\t");
+    Serial.println(str);
+
+    Serial.print("[RF69] Length:\t\t");
+    Serial.println(pack.length);
+
+    Serial.print("[RF69] Data:\t\t");
+    Serial.println(pack.data);
+
+    Serial.print("[RF69] Datarate:\t");
+    Serial.print(lora.dataRate);
+    Serial.println(" bps");
+
+    Serial.print("[RF69] RSSI:\t\t");
+    Serial.print(lora.lastPacketRSSI);
+    Serial.println(" dBm");
+
+    Serial.print("[ESP266] Sending HTTP POST ...");
+    String response;
+    int http_code = wifi.HttpPost("http://www.httpbin.org/ip", response);
+    if(http_code == 200) {
+      Serial.println("success!");
+      Serial.println("[ESP8266] Response:\n");
+      Serial.println(response);
+    } else {
+      Serial.print("failed, code 0x");
+      Serial.println(http_code, HEX);
+    }
+
+    if(state == ERR_NONE) {
+      Serial.println("success!");
+    }
+    
+  } else if(state == ERR_RX_TIMEOUT) {
+    Serial.println("timeout!");
+    
+  } else if(state == ERR_CRC_MISMATCH) {
+    Serial.println("CRC error!");
+    
+  }
+}
+