nRF

nRF_BTLE_ReceiveData/nRF_BTLE_ReceiveData.ino

+/* Include libraries */
+#include <SPI.h>
+#include <RF24.h>
+#include <BTLE.h>
+
+RF24 radio(9,10);   // Create RF24 object to work with the RF24 library.
+BTLE btle(&radio);  // Create BTLE object to work with the BTLE library.
+
+void setup() {
+  /* Start the Serial and btle. */
+  Serial.begin(9600);
+  // while (!Serial) { }
+  // Serial.println("BTLE advertisement receiver");
+  btle.begin("");
+}
+
+void loop() {
+  String str = "";  // For collecting a string of values ​​from different types of variables
+  
+  /* Start listening. If data is received it is stored in the "buffer".
+     Then the received data is decoded and checked (CRC). */
+  Serial.print("Listening... ");
+  
+  if (btle.listen()) {
+    Serial.print("Got payload: ");  // If data is received, print "Got payload: "
+    // Store the received data into the buffer
+    for (uint8_t i = 2; i < (btle.buffer.pl_size)-6; i++) {
+        str += (char (btle.buffer.payload[i]));
+        // Serial.print(btle.buffer.payload[i],HEX); Serial.print(" ");  // To receive data in HEX format
+        Serial.print(char (btle.buffer.payload[i])); Serial.print(" ");  // To receive data in char format
+    }
+
+    // (Spam protection) only if string starts with "CustomName"
+    if (str.startsWith(PASSWORD)) {
+      str.replace(PASSWORD, "");  // (remove / replace) PASSWORD
+
+      // According to what data was sent, print the direction
+      if ((char (str.charAt(2))) == 7) Serial.println("RIGHT");
+      else if ((char (str.charAt(2))) == 6) Serial.println("LEFT");
+      else if ((char (str.charAt(2))) == 5) Serial.println("FORWARD");
+      else if ((char (str.charAt(2))) == 4) Serial.println("BACKWARD");
+    }
+  }
+  
+//  Serial.println("done.");
+//  btle.hopChannel();
+}