Added Bluetooth support to SDK

README.md

@@ -213,7 +213,27 @@ void loop()
   readTemperature(temp_data);
   serialConnection.println(temperatureToCSV("temperature", temp_data));
 }
+```
+
+To use the the wireless bluetooth module, follow
+[this bluetooth setup guide](https://github.com/ArduSat/ArdusatSDK/wiki/Bluetooth-Setup-Guide). Then you
+can do the following.
+```
+ArdusatSerial serialConnection(SERIAL_MODE_HARDWARE_AND_SOFTWARE, 2, 3);
 
+void setup()
+{
+  serialConnection.beginBluetooth(9600);
+  serialConnection.println("This message will go out on hardware serial and software serial!");
+  beginTemperatureSensor();
+}
+
+void loop()
+{
+  temperature_t temp_data;
+  readTemperature(temp_data);
+  serialConnection.println(temperatureToCSV("temperature", temp_data));
+}
 ```
 
 #### Serial Modes

examples/bluetooth/bluetooth.ino

@@ -0,0 +1,80 @@
+/*
+ * =====================================================================================
+ *
+ *       Filename:  bluetooth.ino
+ *
+ *    Description:  Outputs the acceleration sensor readings in a JSON format over
+ *                  the Sparkfun BlueSMiRF module.
+ *
+ *                  This example uses many third-party libraries available from
+ *                  Adafruit (https://github.com/adafruit). These libraries are
+ *                  mostly under an Apache License, Version 2.0.
+ *
+ *                  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *        Version:  1.0
+ *        Created:  10/29/2014
+ *       Revision:  none
+ *       Compiler:  Arduino
+ *
+ *         Author:  Sam Olds ([email protected])
+ *   Organization:  Ardusat
+ *
+ * =====================================================================================
+ */
+
+/*-----------------------------------------------------------------------------
+ *  Includes
+ *-----------------------------------------------------------------------------*/
+#include <Arduino.h>
+#include <Wire.h>
+#include <ArdusatSDK.h>
+
+/*-----------------------------------------------------------------------------
+ *  Setup Software Serial to allow for both RF communication and USB communication
+ *    RX is digital pin 10 (connect to TX/DOUT of RF Device)
+ *    TX is digital pin 11 (connect to RX/DIN of RF Device)
+ *-----------------------------------------------------------------------------*/
+ArdusatSerial serialConnection(SERIAL_MODE_HARDWARE_AND_SOFTWARE, 2, 3);
+
+/*-----------------------------------------------------------------------------
+ *  Constant Definitions
+ *-----------------------------------------------------------------------------*/
+acceleration_t accel;
+
+/*
+ * ===  FUNCTION  ======================================================================
+ *         Name:  setup
+ *  Description:  This function runs when the Arduino first turns on/resets. This is
+ *                our chance to take care of all one-time configuration tasks to get
+ *                the program ready to begin logging data.
+ * =====================================================================================
+ */
+void setup(void)
+{
+  serialConnection.beginBluetooth(9600);
+
+  if (!beginAccelerationSensor()) {
+    serialConnection.println("Can't initialize IMU! Check your wiring.");
+  }
+
+  /* We're ready to go! */
+  serialConnection.println("");
+}
+
+/*
+ * ===  FUNCTION  ======================================================================
+ *         Name:  loop
+ *  Description:  After setup runs, this loop function runs until the Arduino loses
+ *                power or resets. We go through and update each of the attached
+ *                sensors, write out the updated values in JSON format, then delay
+ *                before repeating the loop again.
+ * =====================================================================================
+ */
+void loop(void)
+{
+  readAcceleration(accel);
+  serialConnection.println(accelerationToJSON("acceleration", accel));
+
+  delay(1000);
+}

utility/serial.cpp

@@ -92,6 +92,60 @@ void ArdusatSerial::begin(unsigned long baud, bool setXbeeSpeed)
   }
 }
 
+/**
+ * Begin serial communications with a Sparkfun BlueSMiRF module at the specified baud
+ * rate.
+ *
+ * Note that baud rates above ~57600 are not well-supported by SoftwareSerial, and 
+ * even 57600 may cause some bugs.
+ *
+ * @param baud rate for serial communications
+ */
+void ArdusatSerial::beginBluetooth(unsigned long baud)
+{
+  if (_mode == SERIAL_MODE_HARDWARE || _mode == SERIAL_MODE_HARDWARE_AND_SOFTWARE) {
+    Serial.begin(baud);
+
+    _soft_serial->end();
+    _soft_serial->begin(115200); // bluesmirf defaults to baudrate of 115200
+
+    _soft_serial->print("$"); // enter command mode
+    _soft_serial->print("$");
+    _soft_serial->print("$");
+    delay(100);
+
+    _soft_serial->println("S~,0"); // Set to serial port profile
+
+    bool valid = true;
+
+    // Supported bluesmirf baud rates
+    switch(baud) { // Set Baud rate
+      case 1200: _soft_serial->println("U,1200,N");
+      case 2400: _soft_serial->println("U,2400,N");
+      case 4800: _soft_serial->println("U,4800,N");
+      case 9600: _soft_serial->println("U,9600,N");
+      case 19200: _soft_serial->println("U,192K,N");
+      case 38400: _soft_serial->println("U,384K,N");
+      case 57600: _soft_serial->println("U,576K,N");
+      case 115000: _soft_serial->println("U,115K,N");
+      case 230000: _soft_serial->println("U,230K,N");
+      case 460000: _soft_serial->println("U,460K,N");
+      case 921000: _soft_serial->println("U,921K,N");
+      default: valid = false;
+    }
+
+    if (valid) {
+      _soft_serial->end();
+      _soft_serial->begin(baud);
+    } else {
+      _soft_serial->println("U,9600,N");
+      _soft_serial->end();
+      _soft_serial->begin(9600);
+      _soft_serial->println("Error: specified baud rate not available.");
+    }
+  }
+}
+
 void ArdusatSerial::end()
 {
   send_to_serial(end())

utility/serial.h

@@ -33,6 +33,7 @@ class ArdusatSerial : public Stream
     ~ArdusatSerial();
 
     void begin(unsigned long speed, bool setXbeeSpeed=false);
+    void beginBluetooth(unsigned long speed);
     void end();
 
     virtual int peek();