update version to 1.0.3

Fixed Frequency Display at startup in AX25Receive.ino

I2Cdev_rda.h

@@ -1,269 +0,0 @@
-// I2Cdev library collection - Main I2C device class header file
-// Abstracts bit and byte I2C R/W functions into a convenient class
-// 6/9/2012 by Jeff Rowberg <jeff@rowberg.net>
-//
-// Changelog:
-//      2013-05-06 - add Francesco Ferrara's Fastwire v0.24 implementation with small modifications
-//      2013-05-05 - fix issue with writing bit values to words (Sasquatch/Farzanegan)
-//      2012-06-09 - fix major issue with reading > 32 bytes at a time with Arduino Wire
-//                 - add compiler warnings when using outdated or IDE or limited I2Cdev implementation
-//      2011-11-01 - fix write*Bits mask calculation (thanks sasquatch @ Arduino forums)
-//      2011-10-03 - added automatic Arduino version detection for ease of use
-//      2011-10-02 - added Gene Knight's NBWire TwoWire class implementation with small modifications
-//      2011-08-31 - added support for Arduino 1.0 Wire library (methods are different from 0.x)
-//      2011-08-03 - added optional timeout parameter to read* methods to easily change from default
-//      2011-08-02 - added support for 16-bit registers
-//                 - fixed incorrect Doxygen comments on some methods
-//                 - added timeout value for read operations (thanks mem @ Arduino forums)
-//      2011-07-30 - changed read/write function structures to return success or byte counts
-//                 - made all methods static for multi-device memory savings
-//      2011-07-28 - initial release
-
-/* ============================================
-I2Cdev device library code is placed under the MIT license
-Copyright (c) 2013 Jeff Rowberg
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-===============================================
-*/
-
-#ifndef _I2CDEV_RDA_H_
-#define _I2CDEV_RDA_H_
-
-// -----------------------------------------------------------------------------
-// I2C interface implementation setting
-// -----------------------------------------------------------------------------
-#define I2CDEV_IMPLEMENTATION       I2CDEV_ARDUINO_WIRE
-//#define I2CDEV_IMPLEMENTATION       I2CDEV_BUILTIN_FASTWIRE
-
-// comment this out if you are using a non-optimal IDE/implementation setting
-// but want the compiler to shut up about it
-#define I2CDEV_IMPLEMENTATION_WARNINGS
-
-// -----------------------------------------------------------------------------
-// I2C interface implementation options
-// -----------------------------------------------------------------------------
-#define I2CDEV_ARDUINO_WIRE         1 // Wire object from Arduino
-#define I2CDEV_BUILTIN_NBWIRE       2 // Tweaked Wire object from Gene Knight's NBWire project
-                                      // ^^^ NBWire implementation is still buggy w/some interrupts!
-#define I2CDEV_BUILTIN_FASTWIRE     3 // FastWire object from Francesco Ferrara's project
-#define I2CDEV_I2CMASTER_LIBRARY    4 // I2C object from DSSCircuits I2C-Master Library at https://github.com/DSSCircuits/I2C-Master-Library
-
-// -----------------------------------------------------------------------------
-// Arduino-style "Serial.print" debug constant (uncomment to enable)
-// -----------------------------------------------------------------------------
-//#define I2CDEV_SERIAL_DEBUG
-
-#ifdef ARDUINO
-    #if ARDUINO < 100
-        #include "WProgram.h"
-    #else
-        #include "Arduino.h"
-    #endif
-    #if I2CDEV_IMPLEMENTATION == I2CDEV_ARDUINO_WIRE
-        #include <Wire.h>
-    #endif
-    #if I2CDEV_IMPLEMENTATION == I2CDEV_I2CMASTER_LIBRARY
-        #include <I2C.h>
-    #endif
-#endif
-
-// 1000ms default read timeout (modify with "I2Cdev::readTimeout = [ms];")
-#define I2CDEV_DEFAULT_READ_TIMEOUT     1000
-
-class I2Cdev {
-    public:
-        I2Cdev();
-        
-        static int8_t readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readByte(uint8_t devAddr, uint8_t regAddr, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data, uint16_t timeout=I2Cdev::readTimeout);
-        static int8_t readWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data, uint16_t timeout=I2Cdev::readTimeout);
-
-        static bool writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint8_t data);
-        static bool writeBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
-        static bool writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint8_t data);
-        static bool writeBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
-        static bool writeByte(uint8_t devAddr, uint8_t regAddr, uint8_t data);
-        static bool writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
-        static bool writeBytes(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint8_t *data);
-        static bool writeWords(uint8_t devAddr, uint8_t regAddr, uint8_t length, uint16_t *data);
-
-        static uint16_t readTimeout;
-};
-
-#if I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_FASTWIRE
-    //////////////////////
-    // FastWire 0.24
-    // This is a library to help faster programs to read I2C devices.
-    // Copyright(C) 2012
-    // Francesco Ferrara
-    //////////////////////
-    
-    /* Master */
-    #define TW_START                0x08
-    #define TW_REP_START            0x10
-
-    /* Master Transmitter */
-    #define TW_MT_SLA_ACK           0x18
-    #define TW_MT_SLA_NACK          0x20
-    #define TW_MT_DATA_ACK          0x28
-    #define TW_MT_DATA_NACK         0x30
-    #define TW_MT_ARB_LOST          0x38
-
-    /* Master Receiver */
-    #define TW_MR_ARB_LOST          0x38
-    #define TW_MR_SLA_ACK           0x40
-    #define TW_MR_SLA_NACK          0x48
-    #define TW_MR_DATA_ACK          0x50
-    #define TW_MR_DATA_NACK         0x58
-
-    #define TW_OK                   0
-    #define TW_ERROR                1
-
-    class Fastwire {
-        private:
-            static boolean waitInt();
-
-        public:
-            static void setup(int khz, boolean pullup);
-            static byte beginTransmission(byte device);
-            static byte write(byte value);
-            static byte writeBuf(byte device, byte address, byte *data, byte num);
-            static byte readBuf(byte device, byte address, byte *data, byte num);
-            static void reset();
-            static byte stop();
-    };
-#endif
-
-#if I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_NBWIRE
-    // NBWire implementation based heavily on code by Gene Knight <Gene@Telobot.com>
-    // Originally posted on the Arduino forum at http://arduino.cc/forum/index.php/topic,70705.0.html
-    // Originally offered to the i2cdevlib project at http://arduino.cc/forum/index.php/topic,68210.30.html
-
-    #define NBWIRE_BUFFER_LENGTH 32
-    
-    class TwoWire {
-        private:
-            static uint8_t rxBuffer[];
-            static uint8_t rxBufferIndex;
-            static uint8_t rxBufferLength;
-        
-            static uint8_t txAddress;
-            static uint8_t txBuffer[];
-            static uint8_t txBufferIndex;
-            static uint8_t txBufferLength;
-        
-            // static uint8_t transmitting;
-            static void (*user_onRequest)(void);
-            static void (*user_onReceive)(int);
-            static void onRequestService(void);
-            static void onReceiveService(uint8_t*, int);
-    
-        public:
-            TwoWire();
-            void begin();
-            void begin(uint8_t);
-            void begin(int);
-            void beginTransmission(uint8_t);
-            //void beginTransmission(int);
-            uint8_t endTransmission(uint16_t timeout=0);
-            void nbendTransmission(void (*function)(int)) ;
-            uint8_t requestFrom(uint8_t, int, uint16_t timeout=0);
-            //uint8_t requestFrom(int, int);
-            void nbrequestFrom(uint8_t, int, void (*function)(int));
-            void send(uint8_t);
-            void send(uint8_t*, uint8_t);
-            //void send(int);
-            void send(char*);
-            uint8_t available(void);
-            uint8_t receive(void);
-            void onReceive(void (*)(int));
-            void onRequest(void (*)(void));
-    };
-    
-    #define TWI_READY   0
-    #define TWI_MRX     1
-    #define TWI_MTX     2
-    #define TWI_SRX     3
-    #define TWI_STX     4
-    
-    #define TW_WRITE    0
-    #define TW_READ     1
-    
-    #define TW_MT_SLA_NACK      0x20
-    #define TW_MT_DATA_NACK     0x30
-    
-    #define CPU_FREQ            16000000L
-    #define TWI_FREQ            100000L
-    #define TWI_BUFFER_LENGTH   32
-    
-    /* TWI Status is in TWSR, in the top 5 bits: TWS7 - TWS3 */
-    
-    #define TW_STATUS_MASK              (_BV(TWS7)|_BV(TWS6)|_BV(TWS5)|_BV(TWS4)|_BV(TWS3))
-    #define TW_STATUS                   (TWSR & TW_STATUS_MASK)
-    #define TW_START                    0x08
-    #define TW_REP_START                0x10
-    #define TW_MT_SLA_ACK               0x18
-    #define TW_MT_SLA_NACK              0x20
-    #define TW_MT_DATA_ACK              0x28
-    #define TW_MT_DATA_NACK             0x30
-    #define TW_MT_ARB_LOST              0x38
-    #define TW_MR_ARB_LOST              0x38
-    #define TW_MR_SLA_ACK               0x40
-    #define TW_MR_SLA_NACK              0x48
-    #define TW_MR_DATA_ACK              0x50
-    #define TW_MR_DATA_NACK             0x58
-    #define TW_ST_SLA_ACK               0xA8
-    #define TW_ST_ARB_LOST_SLA_ACK      0xB0
-    #define TW_ST_DATA_ACK              0xB8
-    #define TW_ST_DATA_NACK             0xC0
-    #define TW_ST_LAST_DATA             0xC8
-    #define TW_SR_SLA_ACK               0x60
-    #define TW_SR_ARB_LOST_SLA_ACK      0x68
-    #define TW_SR_GCALL_ACK             0x70
-    #define TW_SR_ARB_LOST_GCALL_ACK    0x78
-    #define TW_SR_DATA_ACK              0x80
-    #define TW_SR_DATA_NACK             0x88
-    #define TW_SR_GCALL_DATA_ACK        0x90
-    #define TW_SR_GCALL_DATA_NACK       0x98
-    #define TW_SR_STOP                  0xA0
-    #define TW_NO_INFO                  0xF8
-    #define TW_BUS_ERROR                0x00
-    
-    //#define _MMIO_BYTE(mem_addr) (*(volatile uint8_t *)(mem_addr))
-    //#define _SFR_BYTE(sfr) _MMIO_BYTE(_SFR_ADDR(sfr))
-    
-    #ifndef sbi // set bit
-        #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
-    #endif // sbi
-    
-    #ifndef cbi // clear bit
-        #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
-    #endif // cbi
-    
-    extern TwoWire Wire;
-
-#endif // I2CDEV_IMPLEMENTATION == I2CDEV_BUILTIN_NBWIRE
-
-#endif /* _I2CDEV_RDA_H_ */

README.md

@@ -1,4 +1,21 @@
 # HamShield
-HamShield Arduino Library and Example Sketches
+
+The master branch is intended for use with HamShield hardware -09 and above.
+
+WARNING: The dev branch is not guaranteed to work. Please use caution if you choose to use that branch. 
+
+# HamShield Arduino Library and Example Sketches
 
 This repository is meant to be checked out into your Arduino application's libraries folder. After reloading the application, the library and example sketches should be available for use.
+
+For overview, help, tricks, tips, and more, check out the wiki: 
+
+https://github.com/EnhancedRadioDevices/HamShield/wiki
+
+# KISS and AFSK
+
+We've moved the KISS and AFSK code to a separate library to help keep memory usage in simple sketches down. To use the AFSK examples, please also install these libraries:
+
+- https://github.com/EnhancedRadioDevices/DDS
+- https://github.com/EnhancedRadioDevices/HamShield_KISS
+

examples/AFSK_PacketTester/AFSK_PacketTester.ino

@@ -0,0 +1,128 @@
+/* Hamshield
+ * Example: AFSK Packet Tester
+ * This example sends AFSK test data. You will need a seperate 
+ * AFSK receiver to test the output of this example.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, open the Serial Monitor to 
+ * monitor the process of the HamShield. Check for output on 
+ * AFSK receiver.
+
+ *  Note: add message receive code
+ */
+
+#define DDS_REFCLK_DEFAULT 9600
+
+#include <HamShield.h>
+#include <DDS.h>
+#include <packet.h>
+#include <avr/wdt.h> 
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+DDS dds;
+AFSK afsk;
+String messagebuff = "";
+String origin_call = "";
+String destination_call = "";
+String textmessage = "";
+int msgptr = 0;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  // turn on pwr to the radio
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  
+  radio.initialize();
+  radio.frequency(144390);
+  radio.setRfPower(0);
+  dds.start();
+  afsk.start(&dds);
+  delay(100);
+  Serial.println("HELLO");
+}
+
+void loop() {
+  messagebuff = "KC7IBT,KC7IBT,:HAMSHIELD TEST";
+  prepMessage();
+  delay(10000);
+} 
+
+void prepMessage() { 
+  radio.setModeTransmit();
+  delay(500);
+  origin_call = messagebuff.substring(0,messagebuff.indexOf(','));                                          // get originating callsign
+  destination_call = messagebuff.substring(messagebuff.indexOf(',')+1,messagebuff.indexOf(',',messagebuff.indexOf(',')+1)); // get the destination call
+  textmessage = messagebuff.substring(messagebuff.indexOf(":")+1);
+  
+  Serial.print("From: "); Serial.print(origin_call); Serial.print(" To: "); Serial.println(destination_call); Serial.println("Text: "); Serial.println(textmessage);
+
+  AFSK::Packet *packet = AFSK::PacketBuffer::makePacket(22 + 32);
+
+  packet->start();
+  packet->appendCallsign(origin_call.c_str(),0);
+  packet->appendCallsign(destination_call.c_str(),15,true);   
+  packet->appendFCS(0x03);
+  packet->appendFCS(0xf0);
+  packet->print(textmessage);
+  packet->finish();
+
+  bool ret = afsk.putTXPacket(packet);
+
+  if(afsk.txReady()) {
+    Serial.println(F("txReady"));
+    radio.setModeTransmit();
+    //delay(100);
+    if(afsk.txStart()) {
+      Serial.println(F("txStart"));
+    } else {
+      radio.setModeReceive();
+    }
+  }
+  // Wait 2 seconds before we send our beacon again.
+  Serial.println("tick");
+  // Wait up to 2.5 seconds to finish sending, and stop transmitter.
+  // TODO: This is hackery.
+  for(int i = 0; i < 500; i++) {
+    if(afsk.encoder.isDone())
+       break;
+    delay(50);
+  }
+  Serial.println("Done sending");
+  radio.setModeReceive();
+}
+ 
+ISR(TIMER2_OVF_vect) {
+  TIFR2 = _BV(TOV2);
+  static uint8_t tcnt = 0;
+  if(++tcnt == 8) {
+    dds.clockTick();
+    tcnt = 0;
+  }
+}
+
+ISR(ADC_vect) {
+  static uint8_t tcnt = 0;
+  TIFR1 = _BV(ICF1); // Clear the timer flag
+  dds.clockTick();
+  if(++tcnt == 1) {
+    if(afsk.encoder.isSending()) {
+      afsk.timer();
+    }
+    tcnt = 0;
+  }
+}

examples/AFSK_SerialMessenger/AFSK_SerialMessenger.ino

@@ -0,0 +1,158 @@
+/* Hamshield
+ * Example: AFSK Serial Messenger
+ * Serial glue to send messages over APRS. You will need a 
+ * seperate AFSK receiver to test the output of this example.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. After uploading this program 
+ * to your Arduino, open the Serial Monitor to monitor. Type 
+ * a message under 254 characters into the bar at the top of 
+ * the monitor. Click the "Send" button. Check for output on 
+ * AFSK receiver.
+
+ *  NOTE: add message receive code
+*/
+
+
+
+#include <HamShield.h>
+#include <DDS.h>
+#include <packet.h>
+#include <avr/wdt.h> 
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+DDS dds;
+AFSK afsk;
+String messagebuff = "";
+String origin_call = "";
+String destination_call = "";
+String textmessage = "";
+int msgptr = 0;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  // turn on the radio
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+
+  radio.initialize();
+  radio.frequency(145570);
+  radio.setRfPower(0);
+  radio.setVolume1(0xFF);
+  radio.setVolume2(0xFF);
+  radio.setSQHiThresh(-100);
+  radio.setSQLoThresh(-100);
+  radio.setSQOn();
+  dds.start();
+  afsk.start(&dds);
+  delay(100);
+  radio.setModeReceive();
+  Serial.println("HELLO");
+}
+
+void loop() {
+    if(Serial.available()) { 
+      char temp = (char)Serial.read();
+      if(temp == '`') { 
+       //Serial.println(messagebuff);
+       prepMessage(); 
+       msgptr = 0; 
+       Serial.print("!!");
+      } 
+      else { 
+        messagebuff += temp;
+        msgptr++;
+      }
+    }
+    if(msgptr > 254) { messagebuff = ""; Serial.print("X!"); }
+    
+   if(afsk.decoder.read() || afsk.rxPacketCount()) {
+      // A true return means something was put onto the packet FIFO
+      // If we actually have data packets in the buffer, process them all now
+      while(afsk.rxPacketCount()) {
+        AFSK::Packet *packet = afsk.getRXPacket();
+        Serial.print(F("Packet: "));
+        if(packet) {
+          packet->printPacket(&Serial);
+          AFSK::PacketBuffer::freePacket(packet);
+        }
+      }
+    }
+}
+    
+
+void prepMessage() { 
+   radio.setModeTransmit();
+  delay(1000);
+  origin_call = messagebuff.substring(0,messagebuff.indexOf(','));                                          // get originating callsign
+  destination_call = messagebuff.substring(messagebuff.indexOf(',')+1,messagebuff.indexOf(',',messagebuff.indexOf(',')+1)); // get the destination call
+  textmessage = messagebuff.substring(messagebuff.indexOf(":")+1);
+  
+ // Serial.print("From: "); Serial.print(origin_call); Serial.print(" To: "); Serial.println(destination_call); Serial.println("Text: "); Serial.println(textmessage);
+
+  AFSK::Packet *packet = AFSK::PacketBuffer::makePacket(22 + 32);
+
+  packet->start();
+  packet->appendCallsign(origin_call.c_str(),0);
+  packet->appendCallsign(destination_call.c_str(),15,true);   
+  packet->appendFCS(0x03);
+  packet->appendFCS(0xf0);
+  packet->print(textmessage);
+  packet->finish();
+
+  bool ret = afsk.putTXPacket(packet);
+
+  if(afsk.txReady()) {
+    Serial.println(F("txReady"));
+    radio.setModeTransmit();
+    //delay(100);
+    if(afsk.txStart()) {
+      Serial.println(F("txStart"));
+    } else {
+      radio.setModeReceive();
+    }
+  }
+  // Wait 2 seconds before we send our beacon again.
+  Serial.println("tick");
+  // Wait up to 2.5 seconds to finish sending, and stop transmitter.
+  // TODO: This is hackery.
+  for(int i = 0; i < 500; i++) {
+    if(afsk.encoder.isDone())
+       break;
+    delay(50);
+  }
+  Serial.println("Done sending");
+  radio.setModeReceive();
+} 
+ 
+
+ISR(TIMER2_OVF_vect) {
+  TIFR2 = _BV(TOV2);
+  static uint8_t tcnt = 0;
+  if(++tcnt == 8) {
+    dds.clockTick();
+    tcnt = 0;
+  }
+}
+
+ISR(ADC_vect) {
+  static uint8_t tcnt = 0;
+  TIFR1 = _BV(ICF1); // Clear the timer flag
+  dds.clockTick();
+  if(++tcnt == 1) {
+    afsk.timer();
+    tcnt = 0;
+  }
+}

examples/APRSMessenger/background.js

@@ -0,0 +1,13 @@
+chrome.app.runtime.onLaunched.addListener(function() {
+  chrome.app.window.create("window.html", {
+    "bounds": {
+        "width": 685,
+        "height": 800
+    }
+    });
+});
+
+  $(function() {
+    $( "#tabs" ).tabs();
+  });
+

examples/APRSMessenger/manifest.json

@@ -0,0 +1,10 @@
+{
+  "name": "HamShield",
+  "description": "HamShield",
+  "version": "1.0.0",
+  "app": {
+    "background": {
+        "scripts": ["background.js"]
+    }
+  }
+ }

examples/APRSMessenger/project.ps

@@ -0,0 +1 @@
+chromeApp

examples/APRSMessenger/styles.css

@@ -0,0 +1,48 @@
+body{
+  display: inline-block;  
+}
+
+.btn {
+  background: #adadad;
+  background-image: -webkit-linear-gradient(top, #adadad, #3d3d3d);
+  background-image: -moz-linear-gradient(top, #adadad, #3d3d3d);
+  background-image: -ms-linear-gradient(top, #adadad, #3d3d3d);
+  background-image: -o-linear-gradient(top, #adadad, #3d3d3d);
+  background-image: linear-gradient(to bottom, #adadad, #3d3d3d);
+  -webkit-border-radius: 0;
+  -moz-border-radius: 0;
+  border-radius: 0px;
+  font-family: Arial;
+  color: #ffffff;
+  font-size: 20px;
+  padding: 10px 20px 10px 20px;
+  text-decoration: none;
+  float: left;
+  text-align:center;
+}
+
+.btn:hover {
+  background: #3d3d3d;
+  text-decoration: none;
+}
+
+.lcd {
+  -webkit-border-radius: 0;
+  -moz-border-radius: 0;
+  border-radius: 0px;
+  font-family: Courier New;
+  color: #00ff00;
+  font-size: 50px;
+  background: #000000;
+  padding: 10px 20px 10px 20px;
+  text-decoration: none;
+  width: 500px;
+}
+
+.lcd:hover {
+  text-decoration: none;
+}
+
+.bs1 { width: 50px; }
+.bs2 { width: 100px; }
+.bs3 { width: 200px; }

examples/APRSMessenger/window.html

@@ -0,0 +1,61 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <link rel="stylesheet" type="text/css" href="styles.css">
+  <meta charset="utf-8">
+  <title>APRSMessenger</title>
+  <link rel="stylesheet" href="jquery-ui.css">
+  <script src="jquery-1.10.2.js"></script>
+  <script src="jquery-ui.js"></script>
+</head>
+  <body>
+    <div class="lcd" style="width: 768px">
+       144.390 MHz | APRS | <img src="bars-3.png" style="height: 32px; width: 32px;">
+    </div>
+    <div class="lcd" style="width: 768px; font-size: 15px;">
+      2M | BW: 25KHz | TX CTCSS: OFF | RX CTCSS: OFF | Filter: OFF | Presence: Available 
+    </div>
+    <div class="btn" style="width: 75px">
+       Tune
+    </div>
+    <div class="btn">
+       Presence
+    </div>
+    <div class="btn">
+      GPS
+    </div>
+    <div class="btn">
+      SSTV
+    </div>
+    <div class="btn">
+      WX
+    </div>
+    <div class="btn">
+      MSG
+    </div>
+    <div class="btn">
+      SQ-
+    </div>
+    <div class="btn">
+      SQ+
+    </div>
+    <div class="btn">
+      VOL
+    </div>
+    <br/><br/>
+    <div id="tabs">
+     <ul>
+       <li><a href="#tabs-1">Console</a></li>
+       <li><a href="#tabs-2">KG7OGM</a></li>
+       <li><a href="#tabs-3">KC7IBT</a></li>
+     </ul>
+    </div>
+    <div id="tabs-1">
+      Debug messages
+    </div>
+    <div id="tabs-2">
+    </div>
+    <div id="tabs-3">
+    </div>
+  </body>
+</html>

examples/AX25Receive/AX25Receive.ino

@@ -0,0 +1,92 @@
+/* Hamshield
+ * Example: AX25 Receive
+ * This example receives AFSK test data. You will need seperate 
+ * AFSK equipment to send data for this example.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones into 
+ * the HamShield. Connect the Arduino to wall power and then to 
+ * your computer via USB. After uploading this program to your 
+ * Arduino, open the Serial Monitor so you will see the AFSK 
+ * packet. Send AFSK packet from AFSK equipment at 145.01MHz.
+
+ *  Note: add message receive code
+ */
+
+#include <HamShield.h>
+#include <DDS.h>
+#include <packet.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+DDS dds;
+AFSK afsk;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  // turn on radio
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+
+  Serial.println(F("Radio test connection"));
+  Serial.println(radio.testConnection(), DEC);
+  Serial.println(F("Initialize"));
+  delay(100);
+  radio.initialize();
+  radio.frequency(145010);
+  radio.setSQOff();
+  Serial.println(F("Frequency"));
+  Serial.println(radio.getFrequency());
+  delay(100);
+  Serial.print(F("Squelch(H/L): "));
+  Serial.print(radio.getSQHiThresh());
+  Serial.print(F(" / "));
+  Serial.println(radio.getSQLoThresh());
+  radio.setModeReceive();
+  Serial.println(F("DDS Start"));
+  delay(100);
+  dds.start();
+  Serial.println(F("AFSK start"));
+  delay(100);
+  afsk.start(&dds);
+  Serial.println(F("Starting..."));
+  delay(100);
+  dds.setAmplitude(255);
+}
+
+uint32_t last = 0;
+void loop() {
+   if(afsk.decoder.read() || afsk.rxPacketCount()) {
+      // A true return means something was put onto the packet FIFO
+      // If we actually have data packets in the buffer, process them all now
+      while(afsk.rxPacketCount()) {
+        AFSK::Packet *packet = afsk.getRXPacket();
+        Serial.print(F("Packet: "));
+        if(packet) {
+          packet->printPacket(&Serial);
+          AFSK::PacketBuffer::freePacket(packet);
+        }
+      }
+    }
+}
+
+//TODO: d2 is the switch input, so remove this
+ISR(ADC_vect) {
+  static uint8_t tcnt = 0;
+  TIFR1 = _BV(ICF1); // Clear the timer flag
+  //PORTD |= _BV(2); // Diagnostic pin (D2)
+  //dds.clockTick();
+  afsk.timer();
+  //PORTD &= ~(_BV(2)); // Pin D2 off again
+}

examples/CrystalCalibration/CrystalCalibration.ino

@@ -0,0 +1,284 @@
+/* Hamshield
+ * Example: Crystal Calibration
+ * This example allows you to calibrate the crystal clock 
+ * through the Arduino Serial Monitor.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, open the Serial Monitor.
+ * Make sure drop-down menu at the bottom of Serial Monitor
+ * is set to "Newline". Type 'h' into the bar at the top of 
+ * the Serial Monitor and click the  "Send" button for more 
+ * instructions.
+*/
+
+#define DDS_REFCLK_DEFAULT 38400
+#define DDS_REFCLK_OFFSET  0
+#define DDS_DEBUG_SERIAL
+
+#include <HamShield.h>
+#include <DDS.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+DDS dds;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  // turn on radio
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+
+  radio.initialize();
+  radio.setRfPower(0);
+  radio.frequency(145050);
+  
+  dds.start();
+  dds.setFrequency(1200);
+  dds.on();
+  
+  radio.bypassPreDeEmph();
+}
+
+enum Sets {
+  SET_REF,
+  SET_TONE,
+  SET_AMPLITUDE,
+  SET_ADC_HALF,
+  SET_OFFSET
+} setting = SET_TONE;
+
+char freqBuffer[8];
+char *freqBufferPtr = freqBuffer;
+uint16_t lastFreq = 1200;
+
+volatile uint16_t recordedPulseLength;
+volatile bool recordedPulse = false;
+volatile bool listening = false;
+volatile uint8_t maxADC = 0, minADC = 255, adcHalf = 40;
+
+void loop() {
+  static uint16_t samples = 0;
+  static uint16_t pulse;
+  static uint32_t lastOutput = 0;
+  static float pulseFloat = 0.0;
+  if(recordedPulse) {
+    uint32_t pulseAveraging;
+    uint16_t tmpPulse;
+    cli();
+    recordedPulse = false;
+    tmpPulse = recordedPulseLength;
+    sei();
+    if(samples++ == 0) {
+      pulse = tmpPulse;
+      //pulseFloat = tmpPulse;
+    } else {
+      pulseAveraging = (pulse + tmpPulse) >> 1;
+      pulse = pulseAveraging;
+      pulseFloat = pulseFloat + 0.01*((float)pulse-pulseFloat);
+    }
+    if((lastOutput + 1000) < millis()) {
+      Serial.print(F("Pulse:   "));
+      Serial.println(pulse);
+      Serial.print(F("Last:    "));
+      Serial.println(tmpPulse);
+      Serial.print(F("Samples: "));
+      Serial.println(samples);
+      Serial.print(F("ADC M/M: "));
+      Serial.print(minADC); minADC = 255;
+      Serial.print(F(" / "));
+      Serial.println(maxADC); maxADC = 0;
+      Serial.print(F("Freq:    "));
+      // F = 1/(pulse*(1/ref))
+      // F = ref/pulse
+      Serial.print((float)((float)dds.getReferenceClock()+(float)dds.getReferenceOffset())/(float)pulse);
+      Serial.print(F(" / "));
+      Serial.print((float)((float)dds.getReferenceClock()+(float)dds.getReferenceOffset())/pulseFloat);
+      Serial.print(F(" / "));
+      Serial.println(pulseFloat);
+      Serial.print(F("Freq2:   "));
+      // F = 1/(pulse*(1/ref))
+      // F = ref/pulse
+      Serial.print((float)dds.getReferenceClock()/(float)pulse);
+      Serial.print(F(" / "));
+      Serial.println((float)dds.getReferenceClock()/pulseFloat);
+      samples = 0;
+      lastOutput = millis();
+    }
+  }
+  while(Serial.available()) {
+    char c = Serial.read();
+    Serial.println(c);
+    switch(c) {
+      case 'h':
+        Serial.println(F("Commands:"));
+        Serial.println(F("RefClk: u = +10, U = +100, r XXXX = XXXX"));
+        Serial.println(F("        d = -10, D = -100"));
+        Serial.println(F("Offset: s XXX = Set refclk offset"));
+        Serial.println(F("Radio:  T = transmit, R = receive"));
+        Serial.println(F("Tone:   t XXXX = XXXX Hz"));
+        Serial.println(F("Amp.:   a XXX  = XXX out of 255"));
+        Serial.println(F("DDS:    o = On, O = Off"));
+        Serial.println(F("Input:  l = Determine received frequency, L = stop"));
+        Serial.println(F("ADC:    m XXX = Set ADC midpoint (zero crossing level)"));
+        Serial.println(F("ie. a 31 = 32/255 amplitude, r38400 sets 38400Hz refclk"));
+        Serial.println("> ");
+        break;
+      case 'u':
+        dds.setReferenceClock(dds.getReferenceClock()+10);
+        dds.setFrequency(lastFreq);
+        dds.start();
+        Serial.println(F("RefClk + 10 = "));
+        Serial.println(dds.getReferenceClock());
+        Serial.println("> ");
+        break;
+      case 'U':
+        dds.setReferenceClock(dds.getReferenceClock()+100);
+        dds.setFrequency(lastFreq);
+        dds.start();
+        Serial.println(F("RefClk + 100 = "));
+        Serial.println(dds.getReferenceClock());
+        Serial.println("> ");
+        break;
+      case 'd':
+        dds.setReferenceClock(dds.getReferenceClock()-10);
+        dds.setFrequency(lastFreq);
+        dds.start();
+        Serial.println(F("RefClk - 10 = "));
+        Serial.println(dds.getReferenceClock());
+        Serial.println("> ");
+        break;
+      case 'D':
+        dds.setReferenceClock(dds.getReferenceClock()-100);
+        dds.setFrequency(lastFreq);
+        dds.start();
+        Serial.println(F("RefClk - 100 = "));
+        Serial.println(dds.getReferenceClock());
+        Serial.println("> ");
+        break;
+      case 'l':
+        Serial.println(F("Start frequency listening, DDS off"));
+        dds.off();
+        listening = true;
+        lastOutput = millis();
+        Serial.println("> ");
+        break;
+      case 'L':
+        Serial.println(F("Stop frequency listening, DDS on"));
+        listening = false;
+        samples = 0;
+        dds.on();
+        Serial.println("> ");
+        break;
+      case 'T':
+        Serial.println(F("Radio transmit"));
+        radio.setModeTransmit();
+        Serial.println("> ");
+        break;
+      case 'R':
+        Serial.println(F("Radio receive"));
+        radio.setModeReceive();
+        Serial.println("> ");
+        break;
+      case 'r':
+        setting = SET_REF;
+        break;
+      case 't':
+        setting = SET_TONE;
+        break;
+      case 'a':
+        setting = SET_AMPLITUDE;
+        break;
+      case 'm':
+        setting = SET_ADC_HALF;
+        break;
+      case 's':
+        setting = SET_OFFSET;
+        break;
+      case 'o':
+        dds.on();
+        Serial.println("> ");
+        break;
+      case 'O':
+        dds.off();
+        Serial.println("> ");
+        break;
+      default:
+        if(c == '-' || (c >= '0' && c <= '9')) {
+          *freqBufferPtr = c;
+          freqBufferPtr++;
+        }
+        if((c == '\n' || c == '\r') && freqBufferPtr != freqBuffer) {
+          *freqBufferPtr = '\0';
+          freqBufferPtr = freqBuffer;
+          uint16_t freq = atoi(freqBuffer);
+          if(setting == SET_REF) {
+            dds.setReferenceClock(freq);
+            dds.setFrequency(lastFreq);
+            dds.start();
+            Serial.print(F("New Reference Clock: "));
+            Serial.println(dds.getReferenceClock());
+          } else if(setting == SET_TONE) {
+            dds.setFrequency(freq);
+            lastFreq = freq;
+            Serial.print(F("New Tone: "));
+            Serial.println(freq);
+          } else if(setting == SET_AMPLITUDE) {
+            dds.setAmplitude((uint8_t)(freq&0xFF));
+            Serial.print(F("New Amplitude: "));
+            Serial.println((uint8_t)(freq&0xFF));
+          } else if(setting == SET_ADC_HALF) {
+            adcHalf = freq&0xFF;
+            Serial.print(F("ADC midpoint set to "));
+            Serial.println((uint8_t)(freq&0xFF));
+          } else if(setting == SET_OFFSET) {
+            dds.setReferenceOffset((int16_t)atoi(freqBuffer));
+            dds.setFrequency(lastFreq);
+            Serial.print(F("Refclk offset: "));
+            Serial.println(dds.getReferenceOffset());
+          }
+          Serial.println("> ");
+        }
+        break;
+    }
+  }
+}
+
+ISR(ADC_vect) {
+  static uint16_t pulseLength = 0;
+  static uint8_t lastADC = 127;
+  cli();
+  TIFR1 = _BV(ICF1);
+  //PORTD |= _BV(2);
+  dds.clockTick();
+  sei();
+  if(listening) {
+    pulseLength++;
+    if(ADCH >= adcHalf && lastADC < adcHalf) {
+      // Zero crossing, upward
+      recordedPulseLength = pulseLength;
+      recordedPulse = true;
+      pulseLength = 0;
+    }
+    if(minADC > ADCH) {
+      minADC = ADCH;
+    }
+    if(maxADC < ADCH) {
+      maxADC = ADCH;
+    }
+    lastADC = ADCH;
+  }
+  //PORTD &= ~_BV(2);
+}

examples/DDS/DDS.ino

@@ -0,0 +1,67 @@
+/* Hamshield
+ * Example: DDS
+ * This is a simple example to show how to transmit arbitrary 
+ * tones. In this case, the sketh alternates between 1200Hz 
+ * and 2200Hz at 1s intervals.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. Upload this program 
+ * to your Arduino. To test, set a HandyTalkie to 438MHz. You 
+ * should hear two alternating tones.
+*/
+
+#define DDS_REFCLK_DEFAULT 9600
+#include <HamShield.h>
+#include <DDS.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+DDS dds;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  // turn on radio
+  digitalWrite(RESET_PIN, HIGH);
+  
+  radio.initialize();
+  radio.setRfPower(0);
+  radio.frequency(438000);
+  radio.setModeTransmit();
+  dds.start();
+  dds.playWait(600, 3000);
+  dds.on();
+  //dds.setAmplitude(31);
+}
+
+void loop() {
+  dds.setFrequency(2200);
+  delay(1000);
+  dds.setFrequency(1200);
+  delay(1000);
+}
+
+#ifdef DDS_USE_ONLY_TIMER2
+ISR(TIMER2_OVF_vect) {
+  dds.clockTick();
+}
+#else // Use the ADC timer instead
+ISR(ADC_vect) {
+  static unsigned char tcnt = 0;
+  TIFR1 = _BV(ICF1); // Clear the timer flag
+  if(++tcnt == 4) {
+    tcnt = 0;
+  }
+  dds.clockTick();
+}
+#endif

examples/FMBeacon/FMBeacon.ino

@@ -1,28 +1,49 @@
-/* 
+/* Hamshield
-Morse Code Beacon
+ * Example: Morse Code Beacon
+ * Test beacon will transmit and wait 30 seconds. 
+ * Beacon will check to see if the channel is clear before it 
+ * will transmit.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, open the Serial Monitor to 
+ * monitor the status of the beacon. To test, set a HandyTalkie 
+ * to 438MHz. You should hear the message " KC7IBT ARDUINO 
+ * HAMSHIELD" in morse code.
 
-Test beacon will transmit and wait 30 seconds. 
+ * NOTE: Radio chip audio AGC too slow in responding to tones, 
-Beacon will check to see if the channel is clear before it will transmit.
+ * worked around by playing a 6khz tone between actual dits/dahs.
+ * Should work on adjusting AGC to not require this.
 */
 
-// Include the HamSheild and Wire (I2C) libraries
+#define DDS_REFCLK_DEFAULT 9600
 #include <HamShield.h>
-#include <Wire.h>
 
-// Create a new instance of our HamSheild class, called 'radio'
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
 HamShield radio;
 
 // Run our start up things here
 void setup() { 
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
   // Set up the serial port at 9600 Baud
   Serial.begin(9600);
   
   // Send a quick serial string
   Serial.println("HamShield FM Beacon Example Sketch");
 
-  // Start the Wire (I2C) library
-  Wire.begin();
-
   // Query the HamShield for status information
   Serial.print("Radio status: ");
   int result = radio.testConnection();
@@ -30,16 +51,20 @@ void setup() {
   
   // Tell the HamShield to start up
   radio.initialize();
+  radio.setRfPower(0);
+  
+  radio.setMorseFreq(400);
+  radio.setMorseDotMillis(200);
 
   // Configure the HamShield to transmit and recieve on 446.000MHz
-  radio.frequency(446000);
+  radio.frequency(438000);
   
   Serial.println("Radio Configured.");
 }
 
 void loop() {
   // We'll wait up to 30 seconds for a clear channel, requiring that the channel is clear for 2 seconds before we transmit
-  if (radio.waitForChannel(30000,2000,-50)) {
+  if (radio.waitForChannel(30000,2000,-5)) {
     // If we get here, the channel is clear. Let's print the RSSI to the serial port as well.
     Serial.print("Signal is clear, RSSI: ");
     Serial.println(radio.readRSSI());
@@ -49,14 +74,14 @@ void loop() {
     radio.setModeTransmit();
     
     // Send a message out in morse code
-    radio.morseOut("CALLSIGN LOCATOR ARDUINO HAMSHIELD");
+    radio.morseOut(" KC7IBT ARDUINO HAMSHIELD");
     
     // We're done sending the message, set the radio back into recieve mode.
     radio.setModeReceive();
     Serial.println("Done.");
     
-    // Wait 30 seconds before we send our beacon again.
+    // Wait a second before we send our beacon again.
-    delay(30000);    
+    delay(1000);    
   } else {
     // If we get here, the channel is busy. Let's also print out the RSSI.
     Serial.print("The channel was busy. Waiting 10 seconds. RSSI: ");

examples/FixMe/DTMFDecoder/DTMFDecoder.ino

@@ -1,283 +0,0 @@
-
-// BlueHAM Proto01 Connection Guide
-/**********************
-**
-**  BlueHAM Proto01 <--> Arduino
-**  ADC_SCL              A5
-**  ADC_DIO              A4
-**  GND                  GND
-**  PWM_RF_CTL           D9
-**
-**  Setting Connections
-**  MODE  -> GND
-**  SENB  -> GND
-**  PDN   -> 3.3V
-**  AVDD  -> 5V (note this should be a beefy supply, could draw up to 4As)
-**
-**
-**
-**  Pinout information for RadioPeripheral01 Prototype board
-**  GPIO0 - 
-**  GPIO1 - 
-**  GPIO2 - VHF_SEL
-**  GPIO3 - UHF_SEL
-**  GPIO4 - RX_EN
-**  GPIO5 - TX_EN
-**  GPIO6 - 
-**  GPIO7 - 
-**************************/
-
-// Arduino Wire library is required if I2Cdev I2CDEV_ARDUINO_WIRE implementation
-// is used in I2Cdev.h
-#include "Wire.h"
-#include "HAMShield.h"
-
-#include <Goertzel.h>
-
-//typedef enum {
-#define  MAIN_S 0
-#define  RX_S 1
-#define  TX_S 2
-#define  FREQ_S 3
-#define  UHF_S 4
-#define  VHF_S 5
-#define  PWR_S 6
-#define  GPIO_S 7
-//} menu_view;
-
-int state;
-
-/* goertzel routines */
-
-int sensorPin = A0;
-int led = 13;
-const float TARGET_FREQUENCY = 2200;
-const int N = 100; 
-const float THRESHOLD = 4000;	
-const float SAMPLING_FREQUENCY = 8900; 
-Goertzel goertzel = Goertzel(TARGET_FREQUENCY, N, SAMPLING_FREQUENCY);
-
-// create object for RDA
-HAMShield radio;
-
-
-#define LED_PIN 13
-bool blinkState = false;
-
-void setup() {
-  // initialize serial communication
-  Serial.begin(115200);
-  Serial.println("beginning radio setup");
-  
-  // join I2C bus (I2Cdev library doesn't do this automatically)
-   Wire.begin();
-
-  // verify connection
-  Serial.println("Testing device connections...");
-  Serial.println(radio.testConnection() ? "RDA radio connection successful" : "RDA radio connection failed");
-
-  // initialize device
-  Serial.println("Initializing I2C devices...");
-  radio.initialize(); // initializes automatically for UHF 12.5kHz channel
-
-  Serial.println("setting default Radio configuration");
-
-
-  // set frequency
-  Serial.println("changing frequency");
-  
-  
-  radio.setFrequency(446000); // in kHz
-  radio.setModeReceive();
-  
-  // configure Arduino LED for
-  pinMode(LED_PIN, OUTPUT);
-  
-  state = MAIN_S;
-  print_menu();
-}
-
-void loop() {  
-  goertzel.sample(sensorPin);
-  float magnitude = goertzel.detect();
-  if(magnitude>THRESHOLD) digitalWrite(led, HIGH); //if found, enable led
-  else digitalWrite(led, LOW); 
-  while (Serial.available()) {
-    if (state == FREQ_S) {
-      char freq_khz[6];
-      int i = 0;
-      while(i < 6) {
-         if (Serial.available()) {
-           freq_khz[i] = Serial.read();
-           i++;
-         }
-      }
-      
-      // interpret frequency
-      uint32_t freq = 0;
-      i = 0;
-      while (i < 6) {
-        uint32_t temp = freq_khz[i] - '0';
-        for (int k = 5-i; k > 0; k--) {
-          temp = temp * 10;
-        }
-        freq += temp;
-        i++;
-      }
-      Serial.print("setting frequency to: ");
-      Serial.println(freq);
-      radio.setFrequency(freq);
-      state = MAIN_S;
-      
-    } else if (state == PWR_S) {
-      uint8_t pwr_raw[3];
-      int i = 0;
-      while(i < 3) {
-        if (Serial.available()) {
-          pwr_raw[i] = Serial.read();
-          i++;
-        }
-      }
-      
-      // interpret power
-      uint8_t pwr = 0;
-      i = 0;
-      while (i < 3) {
-        uint8_t temp = pwr_raw[i] - '0';
-        for (int k = 2-i; k > 0; k--) {
-          temp = temp * 10;
-        }
-        pwr += temp;
-        i++;
-      }
-
-      Serial.print("Setting power to: ");
-      Serial.println(pwr);
-      radio.setRfPower(pwr);
-      state = MAIN_S;
-      
-    } else if (state == GPIO_S) {
-      uint8_t gpio_raw[2];
-      int i = 0;
-      while(i < 2) {
-        if (Serial.available()) {
-          gpio_raw[i] = Serial.read();
-          i++;
-        }
-      }
-      uint16_t gpio_pin = gpio_raw[0] - 48; // '0';
-      uint16_t gpio_mode = gpio_raw[1] - 48;
-
-      radio.setGpioMode(gpio_pin, gpio_mode);
-      state = MAIN_S;      
-      
-    } else {
-      char action = Serial.read();
-      if (action == 'r') { // get current state
-        state = RX_S;
-      } else if (action == 't') { 
-        state = TX_S;
-      } else if (action == 'f') { 
-        state = FREQ_S;
-      } else if (action == 'u') { 
-        state = UHF_S;
-      } else if (action == 'v') { 
-        state = VHF_S;
-      } else if (action == '1') {
-        turn_on(state);
-        state = MAIN_S; 
-      } else if (action == '0') {
-        turn_off(state);
-        state = MAIN_S; 
-      } else if (action == 'p') {
-        state = PWR_S; 
-      } else if (action == 'g') {
-        state = GPIO_S; 
-      } else if (action == 's') {
-        int16_t rssi = radio.readRSSI();
-        Serial.print("rssi: ");
-        Serial.println(rssi); 
-      } else if (action == 'i') {
-        int16_t vssi = radio.readVSSI();
-        Serial.print("vssi: ");
-        Serial.println(vssi); 
-      }
-            
-      Serial.println(action);
-    }
-    Serial.flush();
-    print_menu();
-  }
-}
-
-void turn_off(int dev) {
-  switch (dev) {
-  case RX_S:
-    radio.setRX(0);
-    break;
-  case TX_S:
-    radio.setTX(0);
-    break;
-  case UHF_S:
-    radio.setGpioMode(3, 3); // set GPIO3 high (uhf is active low)
-    break;
-  case VHF_S:
-    radio.setGpioMode(2, 3); // set GPIO2 high (vhf is active low)
-    break;
-  default:
-    break; 
- } 
-}
-
-void turn_on(int dev) {
-  switch (dev) {
-  case RX_S:
-    radio.setRX(1);
-    break;
-  case TX_S:
-    radio.setTX(1);
-    break;
-  case UHF_S:
-    radio.setGpioMode(3, 2); // set GPIO3 low (uhf is active low)
-    break;
-  case VHF_S:
-    radio.setGpioMode(2, 2); // set GPIO2 low (uhf is active low)
-    break;
-  default:
-    break; 
- } 
-}
-
-void print_menu() {
- Serial.println("MENU");
- switch (state) {
-  case MAIN_S:
-    Serial.println("select step: [r]x, [t]x, [f]req, [u]hf, [v]hf, [p]wr, [g]pio control, r[s]si, vss[i] ...");
-    break;
-  case RX_S:
-    Serial.println("enter 1 to turn on rx, 0 to turn off rx");
-    break;
-  case TX_S:
-    Serial.println("enter 1 to turn on tx, 0 to turn off tx");  
-    break;
-  case FREQ_S:
-    Serial.println("enter frequency in kHz (ffffff)");
-    break;
-  case UHF_S:
-    Serial.println("enter 1 to turn on uhf, 0 to turn off uhf");  
-    break;
-  case VHF_S:
-    Serial.println("enter 1 to turn on vhf, 0 to turn off vhf");    
-    break;
-  case PWR_S:
-    Serial.println("enter power (raw) (ppp)");
-    break;
-  case GPIO_S:
-    Serial.println("enter GPIO pin and control (no spaces, eg pin 1 mode 3 is 13");
-    Serial.println("modes 0 - HiZ, 1 - FCN, 2 - Low, 3 - Hi");
-    break;
-  default:
-    state = MAIN_S;
-    break; 
- } 
-}

examples/FoxHunt/FoxHunt.ino

@@ -1,37 +1,59 @@
-/* Fox Hunt */
+/* Hamshield
+ * Example: Fox Hunt
+ * Plays a one minute tone at 10-13 minute intervals. Script 
+ * will check to see if the channel is clear before it will 
+ * transmit.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. To test, set a 
+ * HandyTalkie to 438MHz. You should hear a one-minute tone 
+ * followed by a callsign every 10-13 minutes.
+*/
 
-#include <HAMShield.h>
+#include <HamShield.h>
-#include <Wire.h>
 
-// transmit for 1 minute, every 10 minutes 
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
 
-#define TRANSMITLENGTH 1
+// In milliseconds
+#define TRANSMITLENGTH 60000
+// In minutes
 #define INTERVAL 10
 #define RANDOMCHANCE 3
 
-HAMShield radio;
+HamShield radio;
 
 void setup() {
-  Wire.begin();
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
   radio.initialize();
-  radio.setFrequency(145510);
+  radio.setRfPower(0);
+  radio.frequency(438000);
   radio.setModeReceive();
 }
 
 void loop() {
-   waitMinute(INTERVAL + random(0,RANDOMCHANCE));     // wait before transmitting, randomly up to 3 minutes later
+  if(radio.waitForChannel(30000,2000, -90)) {             // wait for a clear channel, abort after 30 seconds, wait 2 seconds of dead air for breakers
-   if(radio.waitForChannel(30000,2000)) {             // wait for a clear channel, abort after 30 seconds, wait 2 seconds of dead air for breakers
+    radio.setModeTransmit();                         // turn on transmit mode
-     radio.setModeTransmit();                         // turn on transmit mode
+    tone(PWM_PIN, 1000, TRANSMITLENGTH);        // play a long solid tone
-     tone(1000,11,TRANSMITLENGTH * 60 * 1000);        // play a long solid tone
+    delay(TRANSMITLENGTH);
-     radio.morseOut("1ZZ9ZZ/B FOXHUNT");              // identify the fox hunt transmitter
+    radio.morseOut(" 1ZZ9ZZ/B FOXHUNT");              // identify the fox hunt transmitter
-     radio.setModeReceive();                          // turn off the transmit mode
+    radio.setModeReceive();                          // turn off the transmit mode
-   }
+  }
+  waitMinute(INTERVAL + random(0,RANDOMCHANCE));     // wait before transmitting, randomly
 }
 
 // a function so we can wait by minutes
-
+void waitMinute(unsigned long period) { 
-void waitMinute(int period) { 
   delay(period * 60 * 1000);
 }
-
-

examples/FunctionalTest/FunctionalTest.ino

@@ -0,0 +1,81 @@
+/* Hamshield
+ * Example: Functional Test
+ * This is a simple example to demonstrate HamShield receive
+ * and transmit functionality.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones into 
+ * the HamShield. Connect the Arduino to wall power and then 
+ * to your computer via USB. After uploading this program to 
+ * your Arduino, open the Serial Monitor. Serial Monitor will 
+ * describe what you should be expecting to hear from your 
+ * headphones. Tune a HandytTalkie to 446MHz to hear morse 
+ * code example.
+*/
+
+#include <HamShield.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  Serial.println("If the sketch freezes at radio status, there is something wrong with power or the shield");
+  Serial.print("Radio status: ");
+  int result = radio.testConnection();
+  Serial.println(result,DEC);
+  Serial.println("Setting radio to its defaults..");
+  radio.initialize();
+}
+
+void loop() {
+  radio.setModeReceive();
+  radio.setSQLoThresh(0);
+  radio.setSQOff();
+  radio.setVolume1(0xF);
+  radio.setVolume2(0xF);
+  delay(1000);
+  Serial.println("Changing frequency to 446.000 and waiting 10 seconds. You should hear static fading in.");
+    radio.frequency(446000);
+  for(int x = 0; x < 16; x++) { radio.setVolume1(x); delay(500); Serial.print(x); Serial.print(".."); } 
+  for(int x = 0; x < 16; x++) { radio.setVolume2(x); delay(500); Serial.print(x); Serial.print(".."); }   
+      radio.setVolume1(0xF);
+    radio.setVolume2(0xF);
+
+  delay(10000);
+  Serial.println("Changing frequency to 450.000 and waiting 10 seconds. You should hear static.");
+  radio.frequency(446000);
+  delay(10000);
+  Serial.println("Changing frequency to 220.000 and waiting 10 seconds. you should hear static.");
+  radio.frequency(220000);
+  delay(10000);
+  Serial.println("Changing frequency to 144.520 and waiting 10 seconds. you should hear static.");
+  radio.frequency(144520);
+  delay(10000);
+  Serial.println("Now lets scan for a weather radio station and listen for a while....");
+  radio.setWXChannel(radio.scanWXChannel());
+  Serial.println("If you hear weather radio, it means the scanWXChannel() and setWXChannel() and VHF works.");
+  Serial.println("We will sit here for 30 seconds because weather is important.");
+  delay(30000);
+  Serial.println("We will now tune to 446.000 and send morse code");
+  radio.frequency(446000);
+  radio.setModeTransmit();
+  radio.morseOut("HELLO PERSON");
+  radio.setModeReceive();
+  Serial.println("Now we are receiving on the call frequency. Starting over again.");
+ 
+}
+

examples/Gauges/Gauges.ino

@@ -1,33 +1,49 @@
-/* 
+/* Hamshield
-
+ * Example: Gauges
-Gauges
+ * This example prints Signal, Audio In, and Audio Rx ADC 
-
+ * Peak strength to the Serial Monitor in a graphical manner.
-Simple gauges for the radio receiver.
+ * Connect the HamShield to your Arduino. Screw the antenna 
-
+ * into the HamShield RF jack. Plug a pair of headphones into 
-
+ * the HamShield. Connect the Arduino to wall power and then 
+ * to your computer via USB. After uploading this program to 
+ * your Arduino, open the Serial Monitor. You will see a 
+ * repeating display of different signal strengths. Ex: 
+ *
+ * [....|....] -73       
+ * Signal 
+ *
+ * Uncheck the "Autoscroll" box at the bottom of the Serial 
+ * Monitor to manually control the view of the Serial Monitor.
 */
 
-#include <HAMShield.h>
+#include <HamShield.h>
-#include <Wire.h>
 
-HAMShield radio;
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
 
-void clr() { 
+HamShield radio;
-/* Serial.write(27);
-  Serial.print("[2J");     // cursor to home command  */
- Serial.write(27);
-  Serial.print("[H");     // cursor to home command 
-}
 
 void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
   analogReference(DEFAULT);
-  Serial.begin(115200);
+  Serial.begin(9600);
-  Wire.begin();
+
   Serial.print("Radio status: ");
   int result = radio.testConnection();
   Serial.println(result,DEC); 
   radio.initialize();
-  radio.setFrequency(446000);
+  radio.frequency(446000);
   radio.setModeReceive();
   Serial.println("Entering gauges...");
   tone(9,1000);
@@ -45,7 +61,6 @@ int txc = 0;
 int mode = 0;
 
 void loop() {
-   clr();
    int16_t rssi = radio.readRSSI();
    gauge = map(rssi,-123,-50,0,8);
    Serial.print("[");

examples/HAMBot/HAMBot.ino

@@ -1,32 +0,0 @@
-/* Simple DTMF controlled HAM Radio Robot */
-
-#include <ArduinoRobot.h> // include the robot library
-#include <HAMShield.h>
-#include <Wire.h>
-#include <SPI.h>
-
-HAMShield radio;
-
-void setup() { 
-  Robot.begin();
-  Wire.begin();
-  radio.initialize();
-  radio.setFrequency(145510);
-}
-
-void loop() {
-   if(radio.waitForDTMF()) {                          // wait for a received DTMF tone
-    uint8_t command = radio.getLastDTMFDigit();       // get the last DTMF tone sent
-     if(command == '4') { Robot.turn(-90); }          // turn robot left
-     if(command == '6') { Robot.turn(90); }           // turn robot right
-     if(command == '2') { Robot.motorsWrite(-255,-255); delay(500); Robot.motorsWrite(255, 255); }  // move robot forward
-     if(command == '5') {                             // tell robot to send morse code identity 
-           if(radio.waitForChannel()) {               // wait for the user to release the transmit button
-              radio.setModeTransmit();                // turn on transmit mode
-              radio.morseOut("1ZZ9ZZ I AM HAMRADIO ROBOT");    // send morse code
-              radio.setModeReceive();                 // go back to receive mode on radio 
-           }
-     }
-   }
-}
-

examples/HandyTalkie/HandyTalkie.ino

@@ -0,0 +1,148 @@
+/* Hamshield
+ * Example: HandyTalkie
+ * This is a simple example to demonstrate HamShield receive
+ * and transmit functionality.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones into 
+ * the HamShield. Connect the Arduino to wall power and then 
+ * to your computer via USB. After uploading this program to 
+ * your Arduino, open the Serial Monitor. Press the button on 
+ * the HamShield to begin setup. After setup is complete, type 
+ * your desired Tx/Rx frequency, in hertz, into the bar at the 
+ * top of the Serial Monitor and click the "Send" button. 
+ * To test with another HandyTalkie (HT), key up on your HT 
+ * and make sure you can hear it through the headphones 
+ * attached to the HamShield. Key up on the HamShield by 
+ * holding the button.
+*/
+
+#include <HamShield.h>
+
+// create object for radio
+HamShield radio;
+
+#define LED_PIN 13
+#define RSSI_REPORT_RATE_MS 5000
+
+//TODO: move these into library
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+bool blinkState = false;
+bool currently_tx;
+
+uint32_t freq;
+
+unsigned long rssi_timeout;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, LOW);
+  
+  
+  // initialize serial communication
+  Serial.begin(9600);
+  Serial.println("press the switch to begin...");
+  
+  while (digitalRead(SWITCH_PIN));
+  
+  // let the AU ot of reset
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.println("beginning radio setup");
+
+  // verify connection
+  Serial.println("Testing device connections...");
+  Serial.println(radio.testConnection() ? "RDA radio connection successful" : "RDA radio connection failed");
+
+  // initialize device
+  Serial.println("Initializing I2C devices...");
+  radio.initialize(); // initializes automatically for UHF 12.5kHz channel
+
+  Serial.println("setting default Radio configuration");
+  radio.dangerMode();
+
+  // set frequency
+  Serial.println("changing frequency");
+  
+  radio.setSQOff();
+  freq = 446000;
+  radio.frequency(freq);
+  
+  // set to receive
+  
+  radio.setModeReceive();
+  currently_tx = false;
+  Serial.print("config register is: ");
+  Serial.println(radio.readCtlReg());
+  Serial.println(radio.readRSSI());
+  
+/*
+  // set to transmit
+  radio.setModeTransmit();
+  // maybe set PA bias voltage
+  Serial.println("configured for transmit");
+  radio.setTxSourceMic();
+  
+  
+  */  
+  radio.setRfPower(0);
+    
+  // configure Arduino LED for
+  pinMode(LED_PIN, OUTPUT);
+  rssi_timeout = 0;
+
+}
+
+void loop() {  
+  if (!digitalRead(SWITCH_PIN))
+  {
+    if (!currently_tx) 
+    {
+      currently_tx = true;
+      
+      // set to transmit
+      radio.setModeTransmit();
+      Serial.println("Tx");
+      //radio.setTxSourceMic();
+      //radio.setRfPower(1);
+    }
+  } else if (currently_tx) {
+    radio.setModeReceive();
+    currently_tx = false;
+    Serial.println("Rx");
+  }
+  
+  
+  if (Serial.available()) {
+    if (Serial.peek() == 'r') {
+      Serial.read();
+      digitalWrite(RESET_PIN, LOW);
+      delay(1000);
+      digitalWrite(RESET_PIN, HIGH);
+      radio.initialize(); // initializes automatically for UHF 12.5kHz channel
+    } else {
+      Serial.setTimeout(40);
+      freq = Serial.parseInt();
+      Serial.flush();
+      radio.frequency(freq);
+      Serial.print("set frequency: ");
+      Serial.println(freq);
+    }
+  }
+  
+  if (!currently_tx && (millis() - rssi_timeout) > RSSI_REPORT_RATE_MS)
+  {
+    Serial.println(radio.readRSSI());
+    rssi_timeout = millis();
+  }
+}

examples/Identifier/Identifier.ino

@@ -1,80 +0,0 @@
-/* 
-
-Indentifier 
-
-Arduino audio overlay example
-
-*/
-
-#include <HAMShield.h>
-#include <Wire.h>
-
-#define DOT 100
-
-HAMShield radio;
-
-const char *bascii = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.,?'!/()&:;=+-_\"$@",
-  *bitu[] = { ".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--..","-----",".----","..---","...--","....-",".....","-....","--...","---..","----.",".-.-.-","--..--","..--..",".----.","-.-.--","-..-.","-.--.","-.--.-",".-...","---...","-.-.-.","-...-",".-.-.","-....-","..--.-",".-..-.","...-..-",".--.-."
-  };
-  
-const char *callsign = {"1ZZ9ZZ/B"} ;   
-  
-char morsebuffer[8];  
-  
-void setup() { 
-  Serial.begin(9600);
-  Serial.println("starting up..");
-  Wire.begin();
-  Serial.print("Radio status: ");
-  int result = radio.testConnection();
-  Serial.println(result,DEC);
-  radio.initialize();
-  radio.setFrequency(446000);
-  radio.setVolume1(0xF);
-  radio.setVolume2(0xF);
-  radio.setModeReceive();
-  radio.setTxSourceMic();
-  radio.setSQLoThresh(80);
-  radio.setSQOn();
-  Serial.println("Done with radio beacon setup. Press and hold a key to transmit.");
-}
-
-int state = 0;
-long timer = 0;
-int morseletter = 0;
-int morsesymbol = 0;
-long keyer = 0;
-char symbol;
-
-void loop() { 
-  if(Serial.available() > 0) {
-    if(state == 0) { 
-      state = 10;
-      radio.setModeTransmit();
-      timer = millis();
-      keyer = millis();
-    }
-    if(state == 10) { 
-      timer = millis();
-    }
-  }
-  if(millis() > (timer + 500)) { radio.setModeReceive(); morseletter = 0; morsesymbol = 0; state = 0; }
-  if(state == 10) { 
-    if(millis() > (keyer + (DOT * 3))) { 
-      keyer = millis();
-      symbol = lookup(callsign[morseletter],morsesymbol);
-      if(symbol == '-') { tone(9,1000,DOT*3); } 
-      if(symbol == '.') { tone(9,1000,DOT); } 
-      if(symbol == 0) { morsesymbol = 0; morseletter++; }
-      if(callsign[morseletter] == 0) { morsesymbol = 0; morseletter = 0; }  
-    }
-  }
-}
-
-char lookup(char letter, int morsesymbol) { 
- for(int x = 0; x < 54; x++) { 
-  if(letter == bascii[x]) { 
-    return bitu[x][morsesymbol]; 
-  } 
- }
-}

examples/JustTransmit/JustTransmit.ino

@@ -0,0 +1,51 @@
+/* Hamshield
+ * Example: Just Transmit
+ * This example continuously transmits.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones with 
+ * built-in mic into the HamShield. Connect the Arduino to 
+ * wall power and then to your computer via USB. After 
+ * uploading this program to your Arduino, open the Serial 
+ * Monitor to monitor the program's progress. After setup is 
+ * complete, tune a HandyTalkie (HT) to 144.025MHz. Listen on 
+ * the HT for the HamShield broadcasting from the mic.
+*/
+
+#include <HamShield.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  Serial.println("If the sketch freezes at radio status, there is something wrong with power or the shield");
+  Serial.print("Radio status: ");
+  int result = radio.testConnection();
+  Serial.println(result,DEC);
+  Serial.println("Setting radio to its defaults..");
+  radio.initialize();
+  radio.setRfPower(0);
+}
+
+void loop() {
+  radio.bypassPreDeEmph();
+  radio.frequency(144025);
+  // radio.setTxSourceNone();
+  radio.setModeTransmit();
+  for(;;) { }
+}
+

examples/KISS/KISS.ino

@@ -0,0 +1,87 @@
+/* Hamshield
+ * Example: KISS
+ * This is a example configures the HamShield to be used as 
+ * a TNC/KISS device. You will need a KISS device to input 
+ * commands to the HamShield
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. Issue commands 
+ * via the KISS equipment.
+ *
+ * To use the KISS example with YAAC:
+ * 1. open the configure YAAC wizard
+ * 2. follow the prompts and enter in your details until you get to the "Add and Configure Interfaces" window
+ * 3. Choose "Add Serial KISS TNC Port"
+ * 4. Choose the COM port for your Arduino
+ * 5. set baud rate to 9600 (default)
+ * 6. set it to KISS-only: with no command to enter KISS mode (just leave the box empty)
+ * 7. Use APRS protocol (default)
+ * 8. hit the next button and follow directions to finish configuration
+*/
+
+#include <HamShield.h>
+#include <KISS.h>
+#include <DDS.h>
+#include <packet.h>
+#include <avr/wdt.h>
+
+HamShield radio;
+DDS dds;
+AFSK afsk;
+KISS kiss(&Serial, &radio, &dds, &afsk);
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  
+  radio.initialize();
+  //radio.setSQOff();
+  radio.setVolume1(0xFF);
+  radio.setVolume2(0xFF);
+  radio.setSQHiThresh(-100);
+  radio.setSQLoThresh(-100);
+  radio.setSQOn();
+  radio.frequency(144390);
+
+  dds.start();
+  afsk.start(&dds);
+  delay(100);
+  radio.setModeReceive();
+}
+
+void loop() {
+  kiss.loop();
+}
+
+ISR(TIMER2_OVF_vect) {
+  TIFR2 = _BV(TOV2);
+  static uint8_t tcnt = 0;
+  if(++tcnt == 8) {
+    dds.clockTick();
+    tcnt = 0;
+  }
+}
+
+ISR(ADC_vect) {
+  static uint8_t tcnt = 0;
+  TIFR1 = _BV(ICF1); // Clear the timer flag
+  dds.clockTick();
+  if(++tcnt == 1) {
+    afsk.timer();
+    tcnt = 0;
+  }
+}

examples/PSK31Transmit/PSK31Transmit.ino

@@ -0,0 +1,118 @@
+/* Hamshield
+ * Example: PSK31Transmit
+ * This is a simple example to demonstrate HamShield PSK31 
+ * transmit functionality.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, tune a PSK31 receiver and 
+ * wait to receive the message "Why hello there, friend. 
+ * Nice to meet you. Welcome to PSK31. 73, VE6SLP sk"
+*/
+
+#include <HamShield.h>
+#include <DDS.h>
+#include "varicode.h"
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+DDS dds;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  // put your setup code here, to run once:
+  dds.setReferenceClock(32000);
+  dds.start();
+  dds.setFrequency(1000);
+  dds.on();
+}
+
+volatile bool sent = true;
+volatile uint16_t bitsToSend = 0;
+volatile uint8_t zeroCount = 0;
+
+void sendChar(uint8_t c) {
+  uint16_t bits = varicode[c];
+  while((bits&0x8000)==0) {
+    bits<<=1;
+  }
+  while(!sent) {} //delay(32);
+  cli();
+  sent = false;
+  bitsToSend = bits;
+  sei();
+  while(!sent) {} //delay(32);
+  //PORTD &= ~_BV(2); // Diagnostic pin (D2)
+}
+
+char *string = "Why hello there, friend. Nice to meet you. Welcome to PSK31. 73, VE6SLP sk\r\n";
+void loop() {
+  int i;
+  // put your main code here, to run repeatedly:
+  //for(i = 0; i<5; i++)
+  //  sendChar(0);
+  //  return;
+  for(i = 0; i < strlen(string); i++) {
+    sendChar(string[i]);
+    //Serial.println(string[i]);
+  }
+}
+
+const uint8_t amplitudeShape[41] = {
+  255, 241, 228, 215, 203, 191, 181, 171, 161, 152, 143, 135, 128, 121, 114, 107, 101, 96, 90, 85, 80, 76, 72, 68, 64, 60, 57, 54, 51, 48, 45, 42, 40, 38, 36, 34, 32, 30, 28, 27, 25
+};
+
+// This will trigger at 8kHz
+ISR(ADC_vect) {
+  static uint8_t outer = 0;
+  static uint8_t tcnt = 0;
+  TIFR1 |= _BV(ICF1);
+  // Wave shaping
+  // TODO: Improve how this would perform.
+  //else if(tcnt > (255-64))
+  //  dds.setAmplitude((255 - tcnt));
+  //else dds.setAmplitude(255);
+  if(tcnt < 81)
+    dds.setAmplitude(amplitudeShape[(81-tcnt)/2]);
+  if(tcnt > (255-81))
+    dds.setAmplitude(amplitudeShape[(tcnt-174)/2]);
+  dds.clockTick();
+  //PORTD &= ~_BV(2);
+  if(outer++ == 3) {
+    outer = 0;
+  } else {
+    return;
+  }
+  if(tcnt++ == 0) { // Next bit
+    //PORTD ^= _BV(2); // Diagnostic pin (D2)
+    if(!sent) {
+      if((bitsToSend & 0x8000) == 0) {
+        zeroCount++;
+        dds.changePhaseDeg(+180);
+      } else {
+        zeroCount = 0;
+      }
+      bitsToSend<<=1;
+      if(zeroCount == 2) {
+        sent = true;
+      }
+    } else {
+      // Idle on zeroes
+      dds.changePhaseDeg(+180);
+    }
+  }
+  //PORTD &= ~_BV(2);
+}

examples/PSK31Transmit/varicode.h

@@ -0,0 +1,130 @@
+const uint16_t varicode[] = {
+0xAAC0, // ASCII =   0  1010101011
+0xB6C0, // ASCII =   1  1011011011
+0xBB40, // ASCII =   2  1011101101
+0xDDC0, // ASCII =   3  1101110111
+0xBAC0, // ASCII =   4  1011101011
+0xD7C0, // ASCII =   5  1101011111
+0xBBC0, // ASCII =   6  1011101111
+0xBF40, // ASCII =   7  1011111101
+0xBFC0, // ASCII =   8  1011111111
+0xEF00, // ASCII =   9  11101111
+0xE800, // ASCII =  10  11101
+0xDBC0, // ASCII =  11  1101101111
+0xB740, // ASCII =  12  1011011101
+0xF800, // ASCII =  13  11111
+0xDD40, // ASCII =  14  1101110101
+0xEAC0, // ASCII =  15  1110101011
+0xBDC0, // ASCII =  16  1011110111
+0xBD40, // ASCII =  17  1011110101
+0xEB40, // ASCII =  18  1110101101
+0xEBC0, // ASCII =  19  1110101111
+0xD6C0, // ASCII =  20  1101011011
+0xDAC0, // ASCII =  21  1101101011
+0xDB40, // ASCII =  22  1101101101
+0xD5C0, // ASCII =  23  1101010111
+0xDEC0, // ASCII =  24  1101111011
+0xDF40, // ASCII =  25  1101111101
+0xEDC0, // ASCII =  26  1110110111
+0xD540, // ASCII =  27  1101010101
+0xD740, // ASCII =  28  1101011101
+0xEEC0, // ASCII =  29  1110111011
+0xBEC0, // ASCII =  30  1011111011
+0xDFC0, // ASCII =  31  1101111111
+0x8000, // ASCII = ' '  1
+0xFF80, // ASCII = '!'  111111111
+0xAF80, // ASCII = '"'  101011111
+0xFA80, // ASCII = '#'  111110101
+0xED80, // ASCII = '$'  111011011
+0xB540, // ASCII = '%'  1011010101
+0xAEC0, // ASCII = '&'  1010111011
+0xBF80, // ASCII = '''  101111111
+0xFB00, // ASCII = '('  11111011
+0xF700, // ASCII = ')'  11110111
+0xB780, // ASCII = '*'  101101111
+0xEF80, // ASCII = '+'  111011111
+0xEA00, // ASCII = ','  1110101
+0xD400, // ASCII = '-'  110101
+0xAE00, // ASCII = '.'  1010111
+0xD780, // ASCII = '/'  110101111
+0xB700, // ASCII = '0'  10110111
+0xBD00, // ASCII = '1'  10111101
+0xED00, // ASCII = '2'  11101101
+0xFF00, // ASCII = '3'  11111111
+0xBB80, // ASCII = '4'  101110111
+0xAD80, // ASCII = '5'  101011011
+0xB580, // ASCII = '6'  101101011
+0xD680, // ASCII = '7'  110101101
+0xD580, // ASCII = '8'  110101011
+0xDB80, // ASCII = '9'  110110111
+0xF500, // ASCII = ':'  11110101
+0xDE80, // ASCII = ';'  110111101
+0xF680, // ASCII = '<'  111101101
+0xAA00, // ASCII = '='  1010101
+0xEB80, // ASCII = '>'  111010111
+0xABC0, // ASCII = '?'  1010101111
+0xAF40, // ASCII = '@'  1010111101
+0xFA00, // ASCII = 'A'  1111101
+0xEB00, // ASCII = 'B'  11101011
+0xAD00, // ASCII = 'C'  10101101
+0xB500, // ASCII = 'D'  10110101
+0xEE00, // ASCII = 'E'  1110111
+0xDB00, // ASCII = 'F'  11011011
+0xFD00, // ASCII = 'G'  11111101
+0xAA80, // ASCII = 'H'  101010101
+0xFE00, // ASCII = 'I'  1111111
+0xFE80, // ASCII = 'J'  111111101
+0xBE80, // ASCII = 'K'  101111101
+0xD700, // ASCII = 'L'  11010111
+0xBB00, // ASCII = 'M'  10111011
+0xDD00, // ASCII = 'N'  11011101
+0xAB00, // ASCII = 'O'  10101011
+0xD500, // ASCII = 'P'  11010101
+0xEE80, // ASCII = 'Q'  111011101
+0xAF00, // ASCII = 'R'  10101111
+0xDE00, // ASCII = 'S'  1101111
+0xDA00, // ASCII = 'T'  1101101
+0xAB80, // ASCII = 'U'  101010111
+0xDA80, // ASCII = 'V'  110110101
+0xAE80, // ASCII = 'W'  101011101
+0xBA80, // ASCII = 'X'  101110101
+0xBD80, // ASCII = 'Y'  101111011
+0xAB40, // ASCII = 'Z'  1010101101
+0xFB80, // ASCII = '['  1111101110
+0xF780, // ASCII = '\'  111101111
+0xFD80, // ASCII = ']'  111111011
+0xAFC0, // ASCII = '^'  1010111111
+0xB680, // ASCII = '_'  101101101
+0xB7C0, // ASCII = '`'  1011011111
+0xB000, // ASCII = 'a'  1011
+0xBE00, // ASCII = 'b'  1011111
+0xBC00, // ASCII = 'c'  101111
+0xB400, // ASCII = 'd'  101101
+0xC000, // ASCII = 'e'  11
+0xF400, // ASCII = 'f'  111101
+0xB600, // ASCII = 'g'  1011011
+0xAC00, // ASCII = 'h'  101011
+0xD000, // ASCII = 'i'  1101
+0xF580, // ASCII = 'j'  111101011
+0xBF00, // ASCII = 'k'  10111111
+0xD800, // ASCII = 'l'  11011
+0xEC00, // ASCII = 'm'  111011
+0xF000, // ASCII = 'n'  1111
+0xE000, // ASCII = 'o'  111
+0xFC00, // ASCII = 'p'  111111
+0xDF80, // ASCII = 'q'  110111111
+0xA800, // ASCII = 'r'  10101
+0xB800, // ASCII = 's'  10111
+0xA000, // ASCII = 't'  101
+0xDC00, // ASCII = 'u'  110111
+0xF600, // ASCII = 'v'  1111011
+0xD600, // ASCII = 'w'  1101011
+0xDF00, // ASCII = 'x'  11011111
+0xBA00, // ASCII = 'y'  1011101
+0xEA80, // ASCII = 'z'  111010101
+0xADC0, // ASCII = '{'  1010110111
+0xDD80, // ASCII = '|'  110111011
+0xAD40, // ASCII = '}'  1010110101
+0xB5C0, // ASCII = '~'  1011010111
+0xED40  // ASCII = 127  1110110101
+};

examples/Parrot/Parrot.ino

@@ -1,111 +0,0 @@
-/* 
-
-Record sound and then plays it back a few times.
-Very low sound quality @ 2KHz 0.75 seconds
-A bit robotic and weird
-
-*/
-
-#include <HAMShield.h>
-#include <Wire.h>
-
-#define RATE 500
-#define SIZE 1500
-
-HAMShield radio;
-
-char sound[SIZE];
-unsigned int sample1;
-int x = -1;
-int16_t rssi;
-byte mode = 8;
-
-void setup() { 
-  Wire.begin();
-  // int result = radio.testConnection();
-  radio.initialize();
-  radio.setFrequency(446000);
-  setPwmFrequency(9, 1);
-}
-
-
-
-void loop() {
-   rssi = radio.readRSSI();
-   if(rssi > -100) {
-     if(x == -1) { 
-       for(x = 0; x < SIZE; x++) {
-       if(mode == 4) { 
-       sample1 = analogRead(0);
-       sound[x] = sample1 >> 4;
-       delayMicroseconds(RATE); x++;
-       sample1 = analogRead(0); 
-       sound[x] = (sample1 & 0xF0) | sound[x];
-       delayMicroseconds(RATE);
-       } else {
-       sound[x] = analogRead(0);
-       delayMicroseconds(RATE); x++;
-       sound[x] = analogRead(0);
-       delayMicroseconds(RATE);
-       }
-      }
-     }
-   }
-   if(rssi < -100) { 
-     if(x == 1500) { 
-       radio.setModeTransmit();
-       delay(500);
-       tone(9,1000,500); delay(750);
-       for(int r = 0; r < 10; r++) { 
-       for(x = 0; x < SIZE; x++) {
-         if(mode == 4) { 
-
-         analogWrite(9,sound[x] << 4);
-         delayMicroseconds(RATE); x++;
-         analogWrite(9,sound[x] & 0xF);
-         delayMicroseconds(RATE); } else { 
-
-         analogWrite(9,sound[x]);
-         delayMicroseconds(RATE); x++;
-         analogWrite(9,sound[x]);
-         delayMicroseconds(RATE);         
-         } 
-       } }
-       tone(9,1000,500); delay(750);
-     radio.setModeReceive();
-     x = -1;
-     }
-   }
-}
-
-void setPwmFrequency(int pin, int divisor) {
-  byte mode;
-  if(pin == 5 || pin == 6 || pin == 9 || pin == 10) {
-    switch(divisor) {
-      case 1: mode = 0x01; break;
-      case 8: mode = 0x02; break;
-      case 64: mode = 0x03; break;
-      case 256: mode = 0x04; break;
-      case 1024: mode = 0x05; break;
-      default: return;
-    }
-    if(pin == 5 || pin == 6) {
-      TCCR0B = TCCR0B & 0b11111000 | mode;
-    } else {
-      TCCR1B = TCCR1B & 0b11111000 | mode;
-    }
-  } else if(pin == 3 || pin == 11) {
-    switch(divisor) {
-      case 1: mode = 0x01; break;
-      case 8: mode = 0x02; break;
-      case 32: mode = 0x03; break;
-      case 64: mode = 0x04; break;
-      case 128: mode = 0x05; break;
-      case 256: mode = 0x06; break;
-      case 1024: mode = 0x7; break;
-      default: return;
-    }
-    TCCR2B = TCCR2B & 0b11111000 | mode;
-  }
-}
-

examples/QPSK63Transmit/QPSK63Transmit.ino

@@ -0,0 +1,124 @@
+/* Hamshield
+ * Example: QPSK63Transmit
+ * This is a simple example to demonstrate HamShield QPSK63 
+ * transmit functionality.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, tune a QPSK63 receiver and 
+ * wait to receive the message "Why hello there, friend. 
+ * Nice to meet you. Welcome to QPSK63. 73, VE6SLP sk"
+*/
+
+#include <HamShield.h>
+#include <DDS.h>
+#include "varicode.h"
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+DDS dds;
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, LOW);
+  
+  
+  Serial.begin(9600);
+  // put your setup code here, to run once:
+  dds.setReferenceClock(32000);
+  dds.start();
+  dds.setFrequency(1000);
+  dds.on();
+}
+
+volatile bool sent = true;
+volatile uint16_t bitsToSend = 0;
+volatile uint8_t zeroCount = 0;
+
+void sendChar(uint8_t c) {
+  uint16_t bits = varicode[c];
+  while((bits&0x8000)==0) {
+    bits<<=1;
+  }
+  while(!sent) {} //delay(32);
+  cli();
+  sent = false;
+  bitsToSend = bits;
+  sei();
+  while(!sent) {} //delay(32);
+  //PORTD &= ~_BV(2); // Diagnostic pin (D2)
+}
+
+char *string = "Why hello there, friend. Nice to meet you. Welcome to QPSK63. 73, VE6SLP sk\r\n";
+void loop() {
+  int i;
+  // put your main code here, to run repeatedly:
+  //for(i = 0; i<5; i++)
+  //  sendChar(0);
+  //  return;
+  for(i = 0; i < strlen(string); i++) {
+    sendChar(string[i]);
+    //Serial.println(string[i]);
+  }
+}
+
+const uint8_t amplitudeShape[41] = {
+  255, 241, 228, 215, 203, 191, 181, 171, 161, 152, 143, 135, 128, 121, 114, 107, 101, 96, 90, 85, 80, 76, 72, 68, 64, 60, 57, 54, 51, 48, 45, 42, 40, 38, 36, 34, 32, 30, 28, 27, 25
+};
+
+// This will trigger at 8kHz
+const uint16_t qpskConvolution[32] = {
+  180, 90, -90, 0, -90, 0, 180, 90,
+  0, -90, 90, 180, 90, 180, 0, -90,
+  90, 180, 0, -90, 0, -90, 90, 180,
+  -90, 0, 180, 90, 180, 90, -90, 0
+};
+uint8_t last5Bits = 0b00000;
+ISR(ADC_vect) {
+  static uint8_t outer = 0;
+  static uint8_t tcnt = 0;
+  TIFR1 |= _BV(ICF1);
+  // Wave shaping
+  // TODO: Improve how this would perform.
+  if(tcnt < 81)
+    dds.setAmplitude(amplitudeShape[(81-tcnt)/2]);
+  if(tcnt > (255-81))
+    dds.setAmplitude(amplitudeShape[(tcnt-174)/2]);
+  dds.clockTick();
+
+  if(outer++ == 1) {
+    outer = 0;
+  } else {
+    return;
+  }
+  
+  if(tcnt++ == 0) { // Next bit
+    last5Bits <<= 1;
+    if(!sent) {
+      if((bitsToSend & 0x8000) == 0) {
+        zeroCount++;
+      } else {
+        zeroCount = 0;
+        last5Bits |= 1;
+      }
+      dds.changePhaseDeg(qpskConvolution[last5Bits&31]);
+      bitsToSend<<=1;
+      if(zeroCount == 2) {
+        sent = true;
+      }
+    } else {
+      // Idle on zeroes
+      dds.changePhaseDeg(qpskConvolution[last5Bits&31]);
+    }
+  }
+}

examples/QPSK63Transmit/varicode.h

@@ -0,0 +1,130 @@
+const uint16_t varicode[] = {
+0xAAC0, // ASCII =   0  1010101011
+0xB6C0, // ASCII =   1  1011011011
+0xBB40, // ASCII =   2  1011101101
+0xDDC0, // ASCII =   3  1101110111
+0xBAC0, // ASCII =   4  1011101011
+0xD7C0, // ASCII =   5  1101011111
+0xBBC0, // ASCII =   6  1011101111
+0xBF40, // ASCII =   7  1011111101
+0xBFC0, // ASCII =   8  1011111111
+0xEF00, // ASCII =   9  11101111
+0xE800, // ASCII =  10  11101
+0xDBC0, // ASCII =  11  1101101111
+0xB740, // ASCII =  12  1011011101
+0xF800, // ASCII =  13  11111
+0xDD40, // ASCII =  14  1101110101
+0xEAC0, // ASCII =  15  1110101011
+0xBDC0, // ASCII =  16  1011110111
+0xBD40, // ASCII =  17  1011110101
+0xEB40, // ASCII =  18  1110101101
+0xEBC0, // ASCII =  19  1110101111
+0xD6C0, // ASCII =  20  1101011011
+0xDAC0, // ASCII =  21  1101101011
+0xDB40, // ASCII =  22  1101101101
+0xD5C0, // ASCII =  23  1101010111
+0xDEC0, // ASCII =  24  1101111011
+0xDF40, // ASCII =  25  1101111101
+0xEDC0, // ASCII =  26  1110110111
+0xD540, // ASCII =  27  1101010101
+0xD740, // ASCII =  28  1101011101
+0xEEC0, // ASCII =  29  1110111011
+0xBEC0, // ASCII =  30  1011111011
+0xDFC0, // ASCII =  31  1101111111
+0x8000, // ASCII = ' '  1
+0xFF80, // ASCII = '!'  111111111
+0xAF80, // ASCII = '"'  101011111
+0xFA80, // ASCII = '#'  111110101
+0xED80, // ASCII = '$'  111011011
+0xB540, // ASCII = '%'  1011010101
+0xAEC0, // ASCII = '&'  1010111011
+0xBF80, // ASCII = '''  101111111
+0xFB00, // ASCII = '('  11111011
+0xF700, // ASCII = ')'  11110111
+0xB780, // ASCII = '*'  101101111
+0xEF80, // ASCII = '+'  111011111
+0xEA00, // ASCII = ','  1110101
+0xD400, // ASCII = '-'  110101
+0xAE00, // ASCII = '.'  1010111
+0xD780, // ASCII = '/'  110101111
+0xB700, // ASCII = '0'  10110111
+0xBD00, // ASCII = '1'  10111101
+0xED00, // ASCII = '2'  11101101
+0xFF00, // ASCII = '3'  11111111
+0xBB80, // ASCII = '4'  101110111
+0xAD80, // ASCII = '5'  101011011
+0xB580, // ASCII = '6'  101101011
+0xD680, // ASCII = '7'  110101101
+0xD580, // ASCII = '8'  110101011
+0xDB80, // ASCII = '9'  110110111
+0xF500, // ASCII = ':'  11110101
+0xDE80, // ASCII = ';'  110111101
+0xF680, // ASCII = '<'  111101101
+0xAA00, // ASCII = '='  1010101
+0xEB80, // ASCII = '>'  111010111
+0xABC0, // ASCII = '?'  1010101111
+0xAF40, // ASCII = '@'  1010111101
+0xFA00, // ASCII = 'A'  1111101
+0xEB00, // ASCII = 'B'  11101011
+0xAD00, // ASCII = 'C'  10101101
+0xB500, // ASCII = 'D'  10110101
+0xEE00, // ASCII = 'E'  1110111
+0xDB00, // ASCII = 'F'  11011011
+0xFD00, // ASCII = 'G'  11111101
+0xAA80, // ASCII = 'H'  101010101
+0xFE00, // ASCII = 'I'  1111111
+0xFE80, // ASCII = 'J'  111111101
+0xBE80, // ASCII = 'K'  101111101
+0xD700, // ASCII = 'L'  11010111
+0xBB00, // ASCII = 'M'  10111011
+0xDD00, // ASCII = 'N'  11011101
+0xAB00, // ASCII = 'O'  10101011
+0xD500, // ASCII = 'P'  11010101
+0xEE80, // ASCII = 'Q'  111011101
+0xAF00, // ASCII = 'R'  10101111
+0xDE00, // ASCII = 'S'  1101111
+0xDA00, // ASCII = 'T'  1101101
+0xAB80, // ASCII = 'U'  101010111
+0xDA80, // ASCII = 'V'  110110101
+0xAE80, // ASCII = 'W'  101011101
+0xBA80, // ASCII = 'X'  101110101
+0xBD80, // ASCII = 'Y'  101111011
+0xAB40, // ASCII = 'Z'  1010101101
+0xFB80, // ASCII = '['  1111101110
+0xF780, // ASCII = '\'  111101111
+0xFD80, // ASCII = ']'  111111011
+0xAFC0, // ASCII = '^'  1010111111
+0xB680, // ASCII = '_'  101101101
+0xB7C0, // ASCII = '`'  1011011111
+0xB000, // ASCII = 'a'  1011
+0xBE00, // ASCII = 'b'  1011111
+0xBC00, // ASCII = 'c'  101111
+0xB400, // ASCII = 'd'  101101
+0xC000, // ASCII = 'e'  11
+0xF400, // ASCII = 'f'  111101
+0xB600, // ASCII = 'g'  1011011
+0xAC00, // ASCII = 'h'  101011
+0xD000, // ASCII = 'i'  1101
+0xF580, // ASCII = 'j'  111101011
+0xBF00, // ASCII = 'k'  10111111
+0xD800, // ASCII = 'l'  11011
+0xEC00, // ASCII = 'm'  111011
+0xF000, // ASCII = 'n'  1111
+0xE000, // ASCII = 'o'  111
+0xFC00, // ASCII = 'p'  111111
+0xDF80, // ASCII = 'q'  110111111
+0xA800, // ASCII = 'r'  10101
+0xB800, // ASCII = 's'  10111
+0xA000, // ASCII = 't'  101
+0xDC00, // ASCII = 'u'  110111
+0xF600, // ASCII = 'v'  1111011
+0xD600, // ASCII = 'w'  1101011
+0xDF00, // ASCII = 'x'  11011111
+0xBA00, // ASCII = 'y'  1011101
+0xEA80, // ASCII = 'z'  111010101
+0xADC0, // ASCII = '{'  1010110111
+0xDD80, // ASCII = '|'  110111011
+0xAD40, // ASCII = '}'  1010110101
+0xB5C0, // ASCII = '~'  1011010111
+0xED40  // ASCII = 127  1110110101
+};

examples/SSTV/SSTV.ino

@@ -1,30 +1,49 @@
-/* 
+/* Hamshield
-
+ * Example: SSTV
-Sends an SSTV test pattern 
+ * This program will transmit a test pattern. You will need 
-
+ * SSTV equipment to test the output.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, open the Serial Monitor to 
+ * view the status of the program. Tune your SSTV to 
+ * 446MHz to receive the image output.
 */
 
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
 #define DOT 100
 #define CALLSIGN "1ZZ9ZZ/B"
 
 /* Standard libraries and variable init */
 
-#include <HAMShield.h>
+#include <HamShield.h>
-#include <Wire.h>
 
-HAMShield radio;
+HamShield radio;
 int16_t rssi;
 
 /* get our radio ready */
 
 void setup() {
-  Wire.begin();
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
   Serial.begin(9600);
   Serial.print("Radio status: ");
   int result = radio.testConnection();
   Serial.println(result);
   radio.initialize();
-  radio.setFrequency(446000);
+  radio.frequency(446000);
   radio.setModeReceive();
 }
 
@@ -32,7 +51,7 @@ void setup() {
 
 
 void loop() {
-     if(radio.waitForChannel(1000,2000)) {        // Wait forever for calling frequency to open, then wait 2 seconds for breakers 
+     if(radio.waitForChannel(1000,2000, -90)) {        // Wait forever for calling frequency to open, then wait 2 seconds for breakers 
        radio.setModeTransmit();                   // Turn on the transmitter
        delay(250);                               // Wait a moment
        radio.SSTVTestPattern(MARTIN1);            // send a MARTIN1 test pattern

examples/SSTV_M1_Static/SSTV_M1_Static.ino

@@ -0,0 +1,453 @@
+/* Hamshield
+ * Example: SSTV M1 Static 
+ * This program will transmit a static image. You will need 
+ * SSTV equipment to test the output.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your Arduino, open the Serial Monitor to 
+ * view the status of the program. Tune your SSTV to 
+ * 145.5MHz to receive the image output.
+*/
+
+// So the precalculated values will get stored
+#define DDS_REFCLK_DEFAULT (34965/2)
+
+#include <HamShield.h>
+#include <DDS.h>
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
+DDS dds;
+// Defined at the end of the sketch
+extern const uint16_t image[256*20] PROGMEM;
+
+#define F_1200 0
+#define F_1500 1
+#define F_2400 2
+ddsAccumulator_t freqTable[3];
+
+void setup() {
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+
+  // Query the HamShield for status information
+  Serial.print("Radio status: ");
+  int result = 0;
+  result = radio.testConnection();
+  Serial.println(result,DEC);
+  
+  // Tell the HamShield to start up
+  radio.initialize();
+  radio.setRfPower(0);
+  radio.frequency(145500);
+  // put your setup code here, to run once:
+  //dds.setReferenceClock(34965/4);
+  dds.start();
+  freqTable[F_1200] = dds.calcFrequency(1200);
+  freqTable[F_1500] = dds.calcFrequency(1500);
+  freqTable[F_2400] = dds.calcFrequency(2400);
+  dds.setFrequency(1000);
+  dds.on();
+  Serial.println("DDS on");
+  delay(1000);
+  dds.off();
+  delay(2000);
+  Serial.println("Next");
+}
+
+uint8_t code = MARTIN1;
+bool parityCalc(int code) {  
+     unsigned int v;       // word value to compute the parity of
+     bool parity = false;  // parity will be the parity of v
+
+    while (code)
+    {
+       parity = !parity;
+       code = code & (code - 1);
+    }
+
+    return parity;
+}
+
+volatile bool registered = false;
+volatile bool scanning = false;
+volatile bool done = false;
+volatile uint16_t nextBlock = 0;
+volatile uint8_t currentScanline = 0;
+volatile uint16_t scanline[2][20];
+
+// Format is 3 'images', one each for green, blue and red
+// But we don't have room, so it's monochrome
+// 256 rows each
+// 10 sets of 32 bits encoding on/off for the colour
+//const unsigned long image[256][10] PROGMEM = {
+ 
+//};
+
+void loadScanline(uint8_t s, int y) {
+  for(int i = 0; i < 20; i++) {
+    scanline[s][i] = pgm_read_word_near(image + y*20 + i);
+  }
+}
+#define DON()  PORTD |= _BV(2);
+#define DOFF() PORTD &= ~_BV(2);
+void loop() {
+  // Load the first scanline
+  loadScanline(0, 0);
+  radio.setModeTransmit();
+  delay(500);
+  // VIS
+  dds.playWait(1900,300);
+  dds.playWait(1200,10);
+  dds.playWait(1900,300);
+  dds.playWait(1200,30);
+  for(int x = 0; x < 7; x++) { 
+     if(bitRead(code,x)) { dds.playWait(1100,30); } else { dds.playWait(1300,30); } 
+  } 
+  if(parityCalc(code)) { dds.playWait(1300,30); } else { dds.playWait(1100,30); } 
+  dds.playWait(1200,30);
+  dds.on();
+  for(int y = 1; y < 256; y++){
+    DON();
+    dds.setPrecalcFrequency(freqTable[F_1200]);
+    // Subtract for the timer ticks
+    delayMicroseconds(3562);              // sync pulse (4862 uS)
+    DOFF();
+    DON();
+    dds.setPrecalcFrequency(freqTable[F_1500]);
+    // Subtract for the timer ticks
+    delayMicroseconds(442);               // sync porch (572 uS)
+    DOFF();
+    scanning = true;
+    for(uint8_t c = 0; c<3; c++) {
+      scanning = true;
+      while(!registered);
+      registered = false;
+      loadScanline((++currentScanline) & 1, y);
+      while(!done);
+      dds.setPrecalcFrequency(freqTable[F_1500]);
+      done = false;
+      scanning = false;
+      DON();
+      delayMicroseconds(442);               // color separator pulse (572 uS)
+      DOFF();
+    }
+  }
+  dds.off();
+  radio.setModeReceive();
+  delay(10000);
+  return;
+}
+
+// The DDS is running faster than the pixel clock, so we
+// only update the pixel frequency every few ticks.
+ISR(ADC_vect) {
+  static uint8_t tcnt = 0;
+  static uint8_t shifts = 0;
+  static uint8_t shiftingLine = 0;
+  static uint8_t linePos = 0;
+  static uint16_t pixelBlock;
+  TIFR1 |= _BV(ICF1);
+  dds.clockTick();
+  if(scanning) {
+    if(++tcnt == 8) {
+      tcnt = 0;
+      if(linePos == 21) {
+        done = true;
+        linePos = 0;
+      }
+      if(linePos == 0) {
+        shifts = 0;
+        shiftingLine = currentScanline&1;
+        registered = true;
+      }
+      if(shifts == 0) {
+        pixelBlock = scanline[shiftingLine][linePos++];
+      }
+      
+      if(pixelBlock & 0x8000) {
+        dds.setPrecalcFrequency(freqTable[F_2400]);
+      } else {
+        dds.setPrecalcFrequency(freqTable[F_1500]);
+      }
+      if(++shifts == 16) {
+        shifts = 0;
+      }
+      pixelBlock <<= 1;
+    }
+  }
+}
+
+// Image is 256 lines * 320 pixels per line, packed to 16 bits at a time
+const uint16_t image[256*20] PROGMEM = {
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 1
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 2
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 3
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 4
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 5
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 6
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 7
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 8
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 9
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 10
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 11
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 12
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 13
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 14
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 15
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 16
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 17
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 18
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 19
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 20
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 21
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 22
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 23
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 24
+0xFFFF, 0xE0FF, 0x07FF, 0xBFCF, 0xFFFF, 0xFFC1, 0xF3FE, 0x7FF9, 0xFF3F, 0xFC1F, 0xE0FF, 0xF7F9, 0xFFFF, 0xFFF8, 0x3E7F, 0xCFFF, 0x3FE7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 25
+0xFFFF, 0x807C, 0x03FF, 0x3FCF, 0xFFFF, 0xFF80, 0x73FE, 0x7FF9, 0xFF3F, 0xF00F, 0x807F, 0xE7F9, 0xFFFF, 0xFFF0, 0x0E7F, 0xCFFF, 0x3FE7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 26
+0xFFFF, 0x1F38, 0xF9FF, 0x3FCF, 0xFFFF, 0xFF1E, 0x33FF, 0xFFF9, 0xFF3F, 0xE3E7, 0x1F3F, 0xE7F9, 0xFFFF, 0xFFE3, 0xC67F, 0xFFFF, 0x3FE7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 27
+0xFFFF, 0x3F19, 0xFCFF, 0x3FCF, 0xFFFF, 0xFF3F, 0x33FF, 0xFFF9, 0xFF3F, 0xE7E3, 0x3F9F, 0xE7F9, 0xFFFF, 0xFFE7, 0xE67F, 0xFFFF, 0x3FE7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 28
+0xFFFE, 0x7FF3, 0xFCFF, 0x3FCF, 0x0723, 0x8F3F, 0xF21E, 0x7879, 0xE13F, 0xCFFE, 0x7F9F, 0xE7F9, 0xE0E4, 0x71E7, 0xFE43, 0xCF0F, 0x3C27, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 29
+0xFFFE, 0x7FF3, 0xFCFF, 0x3FCE, 0x0300, 0x071F, 0xF00E, 0x7019, 0xC03F, 0xCFFE, 0x7F9F, 0xE7F9, 0xC060, 0x00E3, 0xFE01, 0xCE03, 0x3807, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 30
+0xFFFE, 0x7FF3, 0xFE7F, 0x000C, 0xF31C, 0x7381, 0xF1E6, 0x6799, 0x9E3F, 0xCFFE, 0x7FCF, 0xE001, 0x9E63, 0x8E70, 0x3E3C, 0xCCF3, 0x33C7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 31
+0xFFFE, 0x7FF3, 0xFC7F, 0x000F, 0x833C, 0xF3F0, 0x73E6, 0x67C9, 0x9F3F, 0xCFFE, 0x7F8F, 0xE001, 0xF067, 0x9E7E, 0x0E7C, 0xCCF9, 0x33E7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 32
+0xFFFE, 0x7FF3, 0xFCFF, 0x3FCE, 0x033C, 0xF3FF, 0x33E6, 0x6009, 0x9F3F, 0xCFFE, 0x7F9F, 0xE7F9, 0xC067, 0x9E7F, 0xE67C, 0xCC01, 0x33E7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 33
+0xFFFE, 0x7FB3, 0xFCFF, 0x3FCC, 0xF33C, 0xF3FF, 0x33E6, 0x67F9, 0x9F3F, 0xCFF6, 0x7F9F, 0xE7F9, 0x9E67, 0x9E7F, 0xE67C, 0xCCFF, 0x33E7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 34
+0xFFFF, 0x3F19, 0xE0FF, 0x3FCC, 0xF33C, 0xF33F, 0x33E6, 0x67F9, 0x9F3F, 0xE7E3, 0x3C1F, 0xE7F9, 0x9E67, 0x9E67, 0xE67C, 0xCCFF, 0x33E7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 35
+0xFFFF, 0x1F38, 0xF1FF, 0x3FCC, 0xE33C, 0xF31F, 0x33E6, 0x6789, 0x9E3F, 0xE3E7, 0x1E3F, 0xE7F9, 0x9C67, 0x9E63, 0xE67C, 0xCCF1, 0x33C7, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 36
+0xFFFF, 0x807C, 0x01FF, 0x3FCC, 0x033C, 0xF380, 0x73E6, 0x7019, 0xC03F, 0xF00F, 0x803F, 0xE7F9, 0x8067, 0x9E70, 0x0E7C, 0xCE03, 0x3807, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 37
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+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 217
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 218
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 219
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 220
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 221
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 222
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 223
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 224
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 225
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 226
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 227
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 228
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 229
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xF9FF, 0xFFBF, 0xEE00, 0xF87F, 0x07EF, 0xFC03, 0xFFFF, 0xFFFF,  // Line 230
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xF9FF, 0xFF9F, 0xCC00, 0xF01E, 0x01CF, 0xF801, 0xFFFF, 0xFFFF,  // Line 231
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xF9FF, 0xFF9F, 0xCCFF, 0xE79C, 0x78CF, 0xF9F8, 0xFFFF, 0xFFFF,  // Line 232
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xF9FF, 0xFF8F, 0x8CFF, 0xEFDC, 0xFCCF, 0xF9FC, 0xFFFF, 0xFFFF,  // Line 233
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x09E1, 0xFFCF, 0x9CFF, 0xCFFC, 0xFFCF, 0xF9FC, 0xFFFF, 0xFFFF,  // Line 234
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFE, 0x01C0, 0x7FCF, 0x9CFF, 0xC83C, 0x7FCF, 0xF9F8, 0xFFFF, 0xFFFF,  // Line 235
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFC, 0xF19E, 0x7FE7, 0x3C01, 0xC01E, 0x07CF, 0xF801, 0xFFFF, 0xFFFF,  // Line 236
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFC, 0xF99F, 0x3FE7, 0x3C01, 0xC78F, 0xC1CF, 0xF803, 0xFFFF, 0xFFFF,  // Line 237
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFC, 0xF980, 0x3FE7, 0x3CFF, 0xCFCF, 0xFCCF, 0xF9FF, 0xFFFF, 0xFFFF,  // Line 238
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFC, 0xF99F, 0xFFF2, 0x7CFF, 0xCFCF, 0xFCCF, 0xF9FF, 0xFFFF, 0xFFFF,  // Line 239
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFC, 0xF99F, 0xFFF2, 0x7CFF, 0xCFCC, 0xFCCF, 0xF9FF, 0xFFFF, 0xFFFF,  // Line 240
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFC, 0xF19E, 0x3FF8, 0xFCFF, 0xE79C, 0x7CCF, 0xF9FF, 0xFFFF, 0xFFFF,  // Line 241
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFE, 0x01C0, 0x7FF8, 0xFC00, 0xF01E, 0x01E0, 0x09FF, 0xFFFF, 0xFFFF,  // Line 242
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0x09E0, 0xFFF8, 0xFE00, 0xF87F, 0x03E0, 0x0DFF, 0xFFFF, 0xFFFF,  // Line 243
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 244
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 245
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 246
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 247
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 248
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 249
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 250
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 251
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 252
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 253
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 254
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 255
+0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,  // Line 256
+};

examples/SerialTransceiver/SerialTransceiver.ino

@@ -1,6 +1,19 @@
-/*
+/* Hamshield
-
+ * Example: Serial Tranceiver
-SerialTransceiver is TTL Serial port "glue" to allow desktop or laptop control of the HAMShield
+ * SerialTransceiver is TTL Serial port "glue" to allow 
+ * desktop or laptop control of the HamShield.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones into 
+ * the HamShield. Connect the Arduino to wall power and then 
+ * to your computer via USB. After uploading this program to 
+ * your Arduino, open the Serial Monitor. Use the bar at the 
+ * top of the serial monitor to enter commands as seen below.
+ * 
+ * EXAMPLE: To change the repeater offset to 144.425MHz, 
+ * enable offset, then key in, use the following commands:
+ * T144425;
+ * R1;
+ * [Just a space]
 
 Commands:
 
@@ -8,28 +21,15 @@ Mode           ASCII       Description
 -------------- ----------- -------------------------------------------------------------------------------------------------------------------------------------------- -----------------
 Transmit       space       Space must be received at least every 500 mS                                                                                                 Yes
 Receive        not space   If space is not received and/or 500 mS timeout of space occurs, unit will go into receive mode                                               Yes
-CTCSS In       A<tone>;    <tone> must be a numerical ascii value with decimal point indicating CTCSS receive tone required to unsquelch                                No
-CTCSS Out      B<tone>;    <tone> must be a numerical ascii value with decimal point indicating CTCSS transmit tone                                                     No
-CTCSS Enable   C<state>;   Turns on CTCSS mode (analog tone) with 1, off with 0.                                                                                        No
-CDCSS Enable   D<state>;   Turns on CDCSS mode (digital tone) with 1, off with 0.                                                                                       No
 Bandwidth      E<mode>;    for 12.5KHz mode is 0, for 25KHz, mode is 1                                                                                                  No
 Frequency      F<freq>;    Set the receive frequency in KHz, if offset is disabled, this is the transmit frequency                                                      No
-CDCSS In       G<code>;    <code> must be a valid CDCSS code                                                                                                            No
+Morse Out      M<text>;    A small buffer for morse code (32 chars)
-CDCSS Out      H<code>;    <code> must be a valid CDCSS code                                                                                                            No
-Print tones    I           Prints out all configured tones and codes, coma delimited in format: CTCSS In, CTCSS Out, CDCSS In, CDCSS Out                                No
 Power level    P<level>;   Set the power amp level, 0 = lowest, 15 = highest                                                                                           No
 Enable Offset  R<state>;   1 turns on repeater offset mode, 0 turns off repeater offset mode                                                                            No
 Squelch        S<level>;   Set the squelch level                                                                                                                        No
 TX Offset      T<freq>;    The absolute frequency of the repeater offset to transmit on in KHz                                                                          No
-Volume         V<level>;   Set the volume level of the receiver                                                                                                         No
+RSSI           ?;          Respond with the current receive level in - dBm (no sign provided on numerical response)                                                     No
-Reset          X           Reset all settings to default                                                                                                                No
+Voice Level    ^;          Respond with the current voice level (VSSI)
-Sleep          Z           Sleep radio                                                                                                                                  No
-Filters        @<state>;   Set bit to enable, clear bit to disable: 0 = pre/de-emphasis, 1 = high pass filter, 2 = low pass filter (default:  ascii 7, all enabled)     No
-Vox mode       $<state>;   0 = vox off, >= 1 audio sensitivity. lower value more sensitive                                                                              No
-Mic Channel    *<state>;   Set the voice channel. 0 = signal from mic or arduino, 1 = internal tone generator                                                           No
-RSSI           ?           Respond with the current receive level in - dBm (no sign provided on numerical response)                                                     No
-Tone Gen       % (notes)   To send a tone, use the following format: Single tone: %1,<freq>,<length>; Dual tone: %2,<freq>,<freq>,<length>; DTMF: %3,<key>,<length>;    No
-Voice Level    ^           Respond with the current voice level (VSSI)
 
 
 Responses:
@@ -45,8 +45,11 @@ Debug Msg    @<text>;   32 character debug message
 
 */
 
-#include "Wire.h"
+#include "HamShield.h"
-#include "HAMShield.h"
+
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
 
 int state;
 int txcount = 0;
@@ -62,26 +65,37 @@ int cdcssin = 0;
 int cdcssout = 0;
 
 
-HAMShield radio;
+HamShield radio;
 
 
 
 void setup() {
-  Serial.begin(115200);
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
-  Serial.print(";;;;;;;;;;;;;;;;;;;;;;;;;;");
+  pinMode(PWM_PIN, OUTPUT);
-  Wire.begin();
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
+  Serial.begin(9600);
+  Serial.println(";;;;;;;;;;;;;;;;;;;;;;;;;;");
+
   int result = radio.testConnection();
   Serial.print("*");
   Serial.print(result,DEC);
-  Serial.print(";");
+  Serial.println(";");
   radio.initialize(); // initializes automatically for UHF 12.5kHz channel
-  Serial.print("*START;");  
+  Serial.println("*START;");  
   radio.frequency(freq);
   radio.setVolume1(0xF);
   radio.setVolume2(0xF);
   radio.setModeReceive();
   radio.setTxSourceMic();
-  radio.setRfPower(9);
+  radio.setRfPower(0);
   radio.setSQLoThresh(80);
   radio.setSQOn();
 }
@@ -103,17 +117,16 @@ void loop() {
            
            case 32:  // space - transmit
                if(repeater == 1) { radio.frequency(tx); } 
-               radio.setRX(0);
+               radio.setModeTransmit();
-               radio.setTX(1);
                state = 10;
-               Serial.print("#TX,ON;");
+               Serial.println("#TX,ON;");
                timer = millis();
                break;
            
            case 63: // ? - RSSI
                Serial.print(":");
                Serial.print(radio.readRSSI(),DEC);
-               Serial.print(";");
+               Serial.println(";");
                break;
              
            case 65: // A - CTCSS In
@@ -134,7 +147,15 @@ void loop() {
            case 70: // F - frequency
                getValue();
                freq = atol(cmdbuff);
-               if(radio.frequency(freq) == true) { Serial.print("@"); Serial.print(freq,DEC); Serial.print(";!;"); } else { Serial.print("X1;"); } 
+               if(radio.frequency(freq) == true) { Serial.print("@"); Serial.print(freq,DEC); Serial.println(";!;"); } else { Serial.println("X1;"); } 
+               break;
+
+           case 'M':
+               getValue();
+               radio.setModeTransmit();
+               delay(300);
+               radio.morseOut(cmdbuff);
+               state = 10;
                break; 
                
            case 80: // P - power level
@@ -165,14 +186,14 @@ void loop() {
            case 94: // ^ - VSSI (voice) level
                Serial.print(":");
                Serial.print(radio.readVSSI(),DEC); 
-               Serial.print(";");
+               Serial.println(";");
          }
         break;
      }
 
   }
       if(state == 10) { 
-    if(millis() > (timer + 500)) { Serial.print("#TX,OFF;");radio.setRX(1); radio.setTX(0); if(repeater == 1) { radio.frequency(freq); }  state = 0; txcount = 0; }
+    if(millis() > (timer + 500)) { Serial.println("#TX,OFF;");radio.setModeReceive(); if(repeater == 1) { radio.frequency(freq); }  state = 0; txcount = 0; }
     }
 }
 
@@ -183,7 +204,8 @@ void getValue() {
      if(Serial.available()) { 
         temp = Serial.read();
         if(temp == 59) { cmdbuff[p] = 0; Serial.print("@");
-           for(int x = 0; x < 32; x++) {  Serial.print(cmdbuff[x]); }
+           for(int x = 0; x < 32; x++) {  Serial.print(cmdbuff[x]);}
+		   Serial.println();
          return;
         }
         cmdbuff[p] = temp;
@@ -191,12 +213,12 @@ void getValue() {
         if(p == 32) { 
          Serial.print("@");
            for(int x = 0; x < 32; x++) { 
-             Serial.print(cmdbuff[x]);
+             Serial.println(cmdbuff[x]);
            } 
           
           cmdbuff[0] = 0; 
 
-        Serial.print("X0;"); return; }      // some sort of alignment issue? lets not feed junk into whatever takes this string in
+        Serial.println("X0;"); return; }      // some sort of alignment issue? lets not feed junk into whatever takes this string in
      }
   }
 }

examples/SignalTest/SignalTest.ino

@@ -1,20 +1,35 @@
-/* 
+/* Hamshield
-
+ * Example: Signal Test
-Plays back the current signal strength level and morses out it's call sign at the end.
+ * Plays back the current signal strength level and morses out 
-
+ * it's call sign at the end. You will need a HandyTalkie (HT)
-
+ * to test the output of this example. You will also need to 
+ * download the PCM library from 
+ * https://github.com/damellis/PCM
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Plug a pair of headphones into 
+ * the HamShield. Connect the Arduino to wall power and then 
+ * to your computer via USB. After uploading this program to 
+ * your Arduino, open the Serial Monitor. HamShield will print 
+ * the results of its signal test to the Serial Monitor. To 
+ * test with another HandyTalkie (HT), tune in to 446MHz and 
+ * listen for the call sign. Then key up on your HT and make 
+ * sure you can hear it through the headphones attached to the 
+ * HamShield.
 */ 
 
 #define DOT 100
-#define CALLSIGN "1ZZ9ZZ/B"
+char CALLSIGN[] = "1ZZ9ZZ/B";
 
 /* Standard libraries and variable init */
 
-#include <HAMShield.h>
+#include <HamShield.h>
-#include <Wire.h>
 #include <PCM.h>
 
-HAMShield radio;
+#define PWM_PIN 3
+#define RESET_PIN A3
+#define SWITCH_PIN 2
+
+HamShield radio;
 int16_t rssi;
 int peak = -150;
 char sig[8];
@@ -74,13 +89,23 @@ const unsigned char dbm[] PROGMEM = {
 /* get our radio ready */
 
 void setup() {
-  Wire.begin();
+  // NOTE: if not using PWM out, it should be held low to avoid tx noise
+  pinMode(PWM_PIN, OUTPUT);
+  digitalWrite(PWM_PIN, LOW);
+  
+  // prep the switch
+  pinMode(SWITCH_PIN, INPUT_PULLUP);
+  
+  // set up the reset control pin
+  pinMode(RESET_PIN, OUTPUT);
+  digitalWrite(RESET_PIN, HIGH);
+  
   Serial.begin(9600);
   Serial.print("Radio status: ");
   int result = radio.testConnection();
   Serial.println(result);
   radio.initialize();
-  radio.setFrequency(446000);
+  radio.frequency(446000);
   radio.setVolume1(0xF);
   radio.setVolume2(0xF);
   radio.setModeReceive();
@@ -104,7 +129,7 @@ void loop() {
      
    if(rssi < -120) { 
      Serial.println("Transmit On");
-     radio.setTX(1);
+     radio.setModeTransmit();
      delay(250);
      tone(11,1000,500); 
      delay(1000);
@@ -131,9 +156,8 @@ void loop() {
      delay(1000);
      Serial.println("done!");
      radio.morseOut(CALLSIGN);
-     radio.setTX(0);
-     Serial.println("Transmit off");
      radio.setModeReceive();
+     Serial.println("Transmit off");
      delay(1000);
    }
 }

extras/LICENSE

@@ -0,0 +1,661 @@
+ GNU AFFERO GENERAL PUBLIC LICENSE
+                       Version 3, 19 November 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+  A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate.  Many developers of free software are heartened and
+encouraged by the resulting cooperation.  However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+  The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community.  It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server.  Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+  An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals.  This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing under
+this license.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU Affero General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
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library.properties

@@ -0,0 +1,10 @@
+name=HamShield
+version=1.0.3
+author=Morgan Redfield <morgan@enhancedradio.com>, Casey Halverson <casey@enhancedradio.com>
+maintainer=Morgan Redfield <morgan@enhancedradio.com>
+sentence=A library for use with HamShield by Enhanced Radio Devices.
+paragraph=
+category=Device Control
+url=http://www.hamshield.com
+architectures=*
+includes=HamShield.h

src/HamShield.h

@@ -8,26 +8,23 @@
 #ifndef _HAMSHIELD_H_
 #define _HAMSHIELD_H_
 
-#include "I2Cdev_rda.h"
+#include "HamShield_comms.h"
+//#include "SimpleFIFO.h"
+//#include "AFSK.h"
+//#include "DDS.h"
 #include <avr/pgmspace.h>
 
 // HamShield constants
 
-#define HAMSHIELD_MORSE_DOT             100    // Morse code dot length (smaller is faster WPM)
 #define HAMSHIELD_MORSE_BUFFER_SIZE      80    // Char buffer size for morse code text
-#define HAMSHIELD_AUX_BUTTON              5    // Pin assignment for AUX button
+#define HAMSHIELD_AUX_BUTTON              2    // Pin assignment for AUX button
-#define HAMSHIELD_PWM_PIN                 11    // Pin assignment for PWM output
+#define HAMSHIELD_PWM_PIN                 3    // Pin assignment for PWM output
 #define HAMSHIELD_EMPTY_CHANNEL_RSSI   -110    // Default threshold where channel is considered "clear"
 
 // button modes
 #define PTT_MODE 1
 #define RESET_MODE 2
 
-// Device Constants
-#define A1846S_DEV_ADDR_SENHIGH 0b0101110
-#define A1846S_DEV_ADDR_SENLOW  0b1110001
-
-
 // Device Registers
 #define A1846S_CTL_REG              0x30    // control register
 #define A1846S_CLK_MODE_REG         0x04    // clk_mode
@@ -181,7 +178,7 @@
 #define A1846S_VOX_FLAG_BIT        0  // vox out from dsp
 
 // Bitfields for A1846S_RSSI_REG
-#define A1846S_RSSI_BIT            15  // RSSI readings <9:0>
+#define A1846S_RSSI_BIT            15  // RSSI readings <7:0>
 #define A1846S_RSSI_LENGTH         8
 
 // Bitfields for A1846S_VSSI_REG
@@ -235,7 +232,7 @@
 
 
 #define ROBOT8BW 2
-#define SC2-180 55
+#define SC2_180 55
 #define MARTIN1 44
 
 // RTTY Frequencies
@@ -252,255 +249,221 @@
 
 class HamShield {
     public:
-        HamShield();
+	    // public singleton for ISRs to reference
-        HamShield(uint8_t address);
+        static HamShield *sHamShield; // HamShield singleton, used for ISRs mostly
 		
-        void initialize();
+        HamShield();
+        HamShield(uint8_t cs_pin);
+
+        void initialize();  // defaults to 12.5kHz
+		void initialize(bool narrowBand); // select 12.5kHz if true or 25kHz if false
+		void setupWideBand();
+		void setupNarrowBand();
         bool testConnection();
         
         // read control reg
         uint16_t readCtlReg();
         void softReset();
 		
-	// center frequency
+        // restrictions control
-	void setFrequency(uint32_t freq_khz);
+        void dangerMode();
-	uint32_t getFrequency();
+        void safeMode();
 		
-	// band
+		bool frequency(uint32_t freq_khz);
-	// 00 - 400-520MHz
+		uint32_t getFrequency();
-	// 10 - 200-260MHz
-	// 11 - 134-174MHz
-	void setBand(uint16_t band);
-	uint16_t getBand();
 			
-        void setUHF();
+		// channel mode
-        void setVHF();
+		// 11 - 25kHz channel
-        void setNoFilters();
+		// 00 - 12.5kHz channel
-        bool frequency(uint32_t freq_khz);
+		// 10,01 - reserved
+		void setChanMode(uint16_t mode);
+		uint16_t getChanMode();
 		
-	// xtal frequency (kHz)
+		void setModeTransmit(); // turn off rx, turn on tx
-	// 12-14MHz crystal: this reg is set to crystal freq_khz
+		void setModeReceive(); // turn on rx, turn off tx
-	// 24-28MHz crystal: this reg is set to crystal freq_khz / 2
+		void setModeOff(); // turn off rx, turn off tx, set pwr_dwn bit
-	void setXtalFreq(uint16_t freq_kHz);
-	uint16_t getXtalFreq();
 		
-	// adclk frequency (kHz)
+		// set tx source
-	// 12-14MHz crystal: this reg is set to crystal freq_khz / 2
+		// 00 - Mic source
-	// 24-28MHz crystal: this reg is set to crystal freq_khz / 4
+		// 01 - sine source from tone2
-	void setAdcClkFreq(uint16_t freq_kHz);
+		// 10 - tx code from GPIO1 code_in (gpio1<1:0> must be set to 01)
-	uint16_t getAdcClkFreq();
+		// 11 - no tx source
+		void setTxSource(uint16_t tx_source);
+		void setTxSourceMic();
+		void setTxSourceTone1();
+		void setTxSourceTone2();
+		void setTxSourceTones();
+		void setTxSourceNone();
+		uint16_t getTxSource();
 		
-	// clk mode
+		// PA bias voltage is unused (maybe remove this)
-	// 12-14MHz: set to 1
+		// set PA_bias voltage
-	// 24-28MHz: set to 0
+		//    000000: 1.01V
-	void setClkMode(bool LFClk);
+		//    000001:1.05V
-	bool getClkMode();
+		//    000010:1.09V
+		//    000100: 1.18V
+		//    001000: 1.34V
+		//    010000: 1.68V
+		//    100000: 2.45V
+		//    1111111:3.13V
+		void setPABiasVoltage(uint16_t voltage);
+		uint16_t getPABiasVoltage();
 		
-	// clk example
+		// Subaudio settings
-	// 12.8MHz clock
-	// A1846S_XTAL_FREQ_REG[15:0]= xtal_freq<15:0>=12.8*1000=12800
-	// A1846S_ADCLK_FREQ_REG[12:0] =adclk_freq<15:0>=(12.8/2)*1000=6400
-	// A1846S_CLK_MODE_REG[0]= clk_mode =1
 		
-	// TX/RX control
+		//   Ctcss/cdcss mode sel
+		//      x00=disable,
+		//      001=inner ctcss en,
+		//      010= inner cdcss en
+		//      101= outer ctcss en,
+		//      110=outer cdcss en
+		//      others =disable
+		void setCtcssCdcssMode(uint16_t mode);
+		uint16_t getCtcssCdcssMode();
+		void setInnerCtcssMode();
+		void setInnerCdcssMode();
+		void setOuterCtcssMode();
+		void setOuterCdcssMode();
+		void disableCtcssCdcss();
 		
-	// channel mode
+		//   Ctcss_sel
-	// 11 - 25kHz channel
+		//      1 = ctcss_cmp/cdcss_cmp out via gpio
-	// 00 - 12.5kHz channel
+		//      0 = ctcss/cdcss sdo out vio gpio
-	// 10,01 - reserved
+		void setCtcssSel(bool cmp_nsdo);
-	void setChanMode(uint16_t mode);
+		bool getCtcssSel();
-	uint16_t getChanMode();
 		
-	// choose tx or rx
+		//   Cdcss_sel
-	void setTX(bool on_noff);
+		//      1 = long (24 bit) code
-	bool getTX();
+		//      0 = short(23 bit) code
-	
+		void setCdcssSel(bool long_nshort);
-	void setRX(bool on_noff);
+		bool getCdcssSel();
-	bool getRX();
-	
-	void setModeTransmit(); // turn off rx, turn on tx
-	void setModeReceive(); // turn on rx, turn off tx
-	void setModeOff(); // turn off rx, turn off tx, set pwr_dwn bit
-	
-	// set tx source
-	// 00 - Mic source
-	// 01 - sine source from tone2
-	// 10 - tx code from GPIO1 code_in (gpio1<1:0> must be set to 01)
-	// 11 - no tx source
-	void setTxSource(uint16_t tx_source);
-	void setTxSourceMic();
-	void setTxSourceTone1();
-	void setTxSourceTone2();
-	void setTxSourceTones();
-	void setTxSourceNone();
-	uint16_t getTxSource();
-	
-	// set PA_bias voltage
-	//    000000: 1.01V
-	//    000001:1.05V
-	//    000010:1.09V
-	//    000100: 1.18V
-	//    001000: 1.34V
-	//    010000: 1.68V
-	//    100000: 2.45V
-	//    1111111:3.13V
-	void setPABiasVoltage(uint16_t voltage);
-	uint16_t getPABiasVoltage();
-	
-	// Subaudio settings
-	
-	//   Ctcss/cdcss mode sel
-	//      x00=disable,
-	//      001=inner ctcss en,
-	//      010= inner cdcss en
-	//      101= outer ctcss en,
-	//      110=outer cdcss en
-	//      others =disable
-	void setCtcssCdcssMode(uint16_t mode);
-	uint16_t getCtcssCdcssMode();
-	void setInnerCtcssMode();
-	void setInnerCdcssMode();
-	void setOuterCtcssMode();
-	void setOuterCdcssMode();
-	void disableCtcssCdcss();
-	
-	//   Ctcss_sel
-	//      1 = ctcss_cmp/cdcss_cmp out via gpio
-	//      0 = ctcss/cdcss sdo out vio gpio
-	void setCtcssSel(bool cmp_nsdo);
-	bool getCtcssSel();
-	
-	//   Cdcss_sel
-	//      1 = long (24 bit) code
-	//      0 = short(23 bit) code
-	void setCdcssSel(bool long_nshort);
-	bool getCdcssSel();
 		// Cdcss neg_det_en
-	void enableCdcssNegDet();
+		void enableCdcssNegDet();
-	void disableCdcssNegDet();
+		void disableCdcssNegDet();
-	bool getCdcssNegDetEnabled();
+		bool getCdcssNegDetEnabled();
 		
-	// Cdcss pos_det_en
+		// Cdcss pos_det_en
-	void enableCdcssPosDet();
+		void enableCdcssPosDet();
-	void disableCdcssPosDet();
+		void disableCdcssPosDet();
-	bool getCdcssPosDetEnabled();
+		bool getCdcssPosDetEnabled();
 
-	// css_det_en
+		// css_det_en
-	void enableCssDet();
+		void enableCssDet();
-	void disableCssDet();
+		void disableCssDet();
-	bool getCssDetEnabled();
+		bool getCssDetEnabled();
 		
-	// ctcss freq
+		// ctcss freq
-        void setCtcss(float freq);
+		void setCtcss(float freq);
-	void setCtcssFreq(uint16_t freq);
+		void setCtcssFreq(uint16_t freq);
-	uint16_t getCtcssFreq();
+		uint16_t getCtcssFreq();
-	void setCtcssFreqToStandard(); // freq must be 134.4Hz for standard cdcss mode
+		void setCtcssFreqToStandard(); // freq must be 134.4Hz for standard cdcss mode
 		
-	// cdcss codes
+		// cdcss codes
-	void setCdcssCode(uint16_t code);
+		void setCdcssCode(uint16_t code);
-	uint16_t getCdcssCode();
+		uint16_t getCdcssCode();
 				
-	// SQ
+		// SQ
-	void setSQOn();
+		void setSQOn();
-	void setSQOff();
+		void setSQOff();
-	bool getSQState();
+		bool getSQState();
 		
-	// SQ threshold
+		// SQ threshold
-	void setSQHiThresh(uint16_t sq_hi_threshold); // Sq detect high th, rssi_cmp will be 1 when rssi>th_h_sq, unit 1/8dB
+		void setSQHiThresh(int16_t sq_hi_threshold); // Sq detect high th, rssi_cmp will be 1 when rssi>th_h_sq, unit 1dB
-	uint16_t getSQHiThresh();
+		int16_t getSQHiThresh();
-	void setSQLoThresh(uint16_t sq_lo_threshold); // Sq detect low th, rssi_cmp will be 0 when rssi<th_l_sq && time delay meet, unit 1/8 dB
+		void setSQLoThresh(int16_t sq_lo_threshold); // Sq detect low th, rssi_cmp will be 0 when rssi<th_l_sq && time delay meet, unit 1dB
-	uint16_t getSQLoThresh();
+		int16_t getSQLoThresh();
 		
-	// SQ out select
+		// SQ out select
-	void setSQOutSel();
+		void setSQOutSel();
-	void clearSQOutSel();
+		void clearSQOutSel();
-	bool getSQOutSel();
+		bool getSQOutSel();
 		
-	// VOX
+		// VOX
-	void setVoxOn();
+		void setVoxOn();
-	void setVoxOff();
+		void setVoxOff();
-	bool getVoxOn();
+		bool getVoxOn();
 		
-	// Vox Threshold
+		// Vox Threshold
-	void setVoxOpenThresh(uint16_t vox_open_thresh); // When vssi > th_h_vox, then vox will be 1(unit mV )
+		void setVoxOpenThresh(uint16_t vox_open_thresh); // When vssi > th_h_vox, then vox will be 1(unit mV )
-	uint16_t getVoxOpenThresh();
+		uint16_t getVoxOpenThresh();
-	void setVoxShutThresh(uint16_t vox_shut_thresh); // When vssi < th_l_vox && time delay meet, then vox will be 0 (unit mV )
+		void setVoxShutThresh(uint16_t vox_shut_thresh); // When vssi < th_l_vox && time delay meet, then vox will be 0 (unit mV )
-	uint16_t getVoxShutThresh();
+		uint16_t getVoxShutThresh();
 		
-	// Tail Noise
+		// Tail Noise
-	void enableTailNoiseElim();
+		void enableTailNoiseElim();
-	void disableTailNoiseElim();
+		void disableTailNoiseElim();
-	bool getTailNoiseElimEnabled();
+		bool getTailNoiseElimEnabled();
 		
-	// tail noise shift select
+		// tail noise shift select
-	//   Select ctcss phase shift when use tail eliminating function when TX
+		//   Select ctcss phase shift when use tail eliminating function when TX
-	//     00 = 120 degree shift
+		//     00 = 120 degree shift
-	//     01 = 180 degree shift
+		//     01 = 180 degree shift
-	//     10 = 240 degree shift
+		//     10 = 240 degree shift
-	//     11 = reserved
+		//     11 = reserved
-	void setShiftSelect(uint16_t shift_sel);
+		void setShiftSelect(uint16_t shift_sel);
-	uint16_t getShiftSelect();
+		uint16_t getShiftSelect();
 		
-	// DTMF
+		// DTMF
-	void setDTMFC0(uint16_t freq);
+		void setDTMFC0(uint16_t freq);
-	uint16_t getDTMFC0();
+		uint16_t getDTMFC0();
-	void setDTMFC1(uint16_t freq);
+		void setDTMFC1(uint16_t freq);
-	uint16_t getDTMFC1();	
+		uint16_t getDTMFC1();	
-	void setDTMFC2(uint16_t freq);
+		void setDTMFC2(uint16_t freq);
-	uint16_t getDTMFC2();
+		uint16_t getDTMFC2();
-	void setDTMFC3(uint16_t freq);
+		void setDTMFC3(uint16_t freq);
-	uint16_t getDTMFC3();
+		uint16_t getDTMFC3();
-	void setDTMFC4(uint16_t freq);
+		void setDTMFC4(uint16_t freq);
-	uint16_t getDTMFC4();
+		uint16_t getDTMFC4();
-	void setDTMFC5(uint16_t freq);
+		void setDTMFC5(uint16_t freq);
-	uint16_t getDTMFC5();
+		uint16_t getDTMFC5();
-	void setDTMFC6(uint16_t freq);
+		void setDTMFC6(uint16_t freq);
-	uint16_t getDTMFC6();
+		uint16_t getDTMFC6();
-	void setDTMFC7(uint16_t freq);
+		void setDTMFC7(uint16_t freq);
-	uint16_t getDTMFC7();
+		uint16_t getDTMFC7();
 		
-	// TX FM deviation
+		// TX FM deviation
-	void setFMVoiceCssDeviation(uint16_t deviation);
+		void setFMVoiceCssDeviation(uint16_t deviation);
-	uint16_t getFMVoiceCssDeviation();
+		uint16_t getFMVoiceCssDeviation();
-	void setFMCssDeviation(uint16_t deviation);
+		void setFMCssDeviation(uint16_t deviation);
-	uint16_t getFMCssDeviation();
+		uint16_t getFMCssDeviation();
 		
-	// RX voice range
+		// RX voice range
-	void setVolume1(uint16_t volume);
+		void setVolume1(uint16_t volume);
-	uint16_t getVolume1();
+		uint16_t getVolume1();
-	void setVolume2(uint16_t volume);
+		void setVolume2(uint16_t volume);
-	uint16_t getVolume2();
+		uint16_t getVolume2();
 		
-	// GPIO
+		// GPIO
-	void setGpioMode(uint16_t gpio, uint16_t mode);
+		void setGpioMode(uint16_t gpio, uint16_t mode);
-	void setGpioHiZ(uint16_t gpio);
+		void setGpioHiZ(uint16_t gpio);
-	void setGpioFcn(uint16_t gpio);
+		void setGpioFcn(uint16_t gpio);
-	void setGpioLow(uint16_t gpio);
+		void setGpioLow(uint16_t gpio);
-	void setGpioHi(uint16_t gpio);
+		void setGpioHi(uint16_t gpio);
-	uint16_t getGpioMode(uint16_t gpio);
+		uint16_t getGpioMode(uint16_t gpio);
+		uint16_t getGpios();
 		
-	// Int
+		// Int
-	void enableInterrupt(uint16_t interrupt);
+		void enableInterrupt(uint16_t interrupt);
-	void disableInterrupt(uint16_t interrupt);
+		void disableInterrupt(uint16_t interrupt);
-	bool getInterruptEnabled(uint16_t interrupt);
+		bool getInterruptEnabled(uint16_t interrupt);
 		
-	// ST mode
+		// ST mode
-	void setStMode(uint16_t mode);
+		void setStMode(uint16_t mode);
-	uint16_t getStMode();
+		uint16_t getStMode();
-	void setStFullAuto();
+		void setStFullAuto();
-	void setStRxAutoTxManu();
+		void setStRxAutoTxManu();
-	void setStFullManu();
+		void setStFullManu();
 		
-	// Pre-emphasis, De-emphasis filter
+		// Pre-emphasis, De-emphasis filter
-	void bypassPreDeEmph();
+		void bypassPreDeEmph();
-	void usePreDeEmph();
+		void usePreDeEmph();
-	bool getPreDeEmphEnabled();
+		bool getPreDeEmphEnabled();
 		
-	// Read Only Status Registers
+		// Read Only Status Registers
-	int16_t readRSSI();
+		int16_t readRSSI();
-	uint16_t readVSSI();
+		uint16_t readVSSI();
-	uint16_t readDTMFIndex(); // may want to split this into two (index1 and index2)
+		uint16_t readDTMFIndex(); // may want to split this into two (index1 and index2)
-	uint16_t readDTMFCode();
+		uint16_t readDTMFCode();
 
         // set output power of radio
         void setRfPower(uint8_t pwr);
@@ -512,11 +475,6 @@ class HamShield {
         bool setWXChannel(uint8_t channel);
         uint8_t scanWXChannel();
   
-
-        // restrictions control
-        void dangerMode();
-        void safeMode();
-  
         // utilities
         uint32_t scanMode(uint32_t start,uint32_t stop, uint8_t speed, uint16_t step, uint16_t threshold);
         uint32_t findWhitespace(uint32_t start,uint32_t stop, uint8_t dwell, uint16_t step, uint16_t threshold);
@@ -525,34 +483,74 @@ class HamShield {
         void buttonMode(uint8_t mode);
         static void isr_ptt();
         static void isr_reset();
-	void morseOut(char buffer[HAMSHIELD_MORSE_BUFFER_SIZE]);
+		unsigned int getMorseFreq();
-	char morseLookup(char letter);
+		void setMorseFreq(unsigned int morse_freq_hz);
+		unsigned int getMorseDotMillis();
+		void setMorseDotMillis(unsigned int morse_dot_dur_millis);
+		void morseOut(char buffer[HAMSHIELD_MORSE_BUFFER_SIZE]);
+		uint8_t morseLookup(char letter);
         bool waitForChannel(long timeout, long breakwindow, int setRSSI);
         void SSTVVISCode(int code);
         void SSTVTestPattern(int code);
         void toneWait(uint16_t freq, long timer);
         void toneWaitU(uint16_t freq, long timer);
         bool parityCalc(int code);
-       // void AFSKOut(char buffer[80]); 
 		
 		
+		
+		//TODO: split AFSK out so it can be left out
+		// AFSK routines
+		//bool AFSKStart();
+		//bool AFSKEnabled() { return afsk.enabled(); }
+		//bool AFSKStop();
+		//bool AFSKOut(const char *);
+       
+		//class AFSK afsk;
+       
     private:
         uint8_t devAddr;
         uint16_t radio_i2c_buf[4];
-        int pwr_control_pin;
+		bool tx_active;
+		bool rx_active;
         uint32_t radio_frequency;
-        uint32_t FRS[];
+/*        uint32_t FRS[];
         uint32_t GMRS[];
         uint32_t MURS[];
         uint32_t WX[];
-        static HamShield *sHamShield; // HamShield singleton, used for ISRs mostly
+*/		
+		// private utility functions
+		// these functions should not be called in the Arduino sketch
+		// just use the above public functions to do everything
 		
-//          int8_t A1846S::readWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout);
+		void setFrequency(uint32_t freq_khz);
-//          int8_t A1846S::readBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data, uint16_t timeout);
+		void setTxBand2m();
-//          int8_t A1846S::readBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data, uint16_t timeout);
+		void setTxBand1_2m();
-//          int8_t A1846S::writeWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data, uint16_t timeout);
+		void setTxBand70cm();
-//          bool A1846S::writeBits(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
+		
-//          bool A1846S::writeBit(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
+		// xtal frequency (kHz)
+		// 12-14MHz crystal: this reg is set to crystal freq_khz
+		// 24-28MHz crystal: this reg is set to crystal freq_khz / 2
+		void setXtalFreq(uint16_t freq_kHz);
+		uint16_t getXtalFreq();
+			
+		// adclk frequency (kHz)
+		// 12-14MHz crystal: this reg is set to crystal freq_khz / 2
+		// 24-28MHz crystal: this reg is set to crystal freq_khz / 4
+		void setAdcClkFreq(uint16_t freq_kHz);
+		uint16_t getAdcClkFreq();
+
+		// clk mode
+		// 12-14MHz: set to 1
+		// 24-28MHz: set to 0
+		void setClkMode(bool LFClk);
+		bool getClkMode();
+		
+		// choose tx or rx
+		void setTX(bool on_noff);
+		bool getTX();
+		
+		void setRX(bool on_noff);
+		bool getRX();
 };
 
 #endif /* _HAMSHIELD_H_ */

src/HamShield_comms.cpp

@@ -0,0 +1,114 @@
+/*
+ * Based loosely on I2Cdev by Jeff Rowberg, except for all kludgy bit-banging
+ */
+
+#include "HamShield_comms.h"
+
+int8_t HSreadBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data)
+{
+    uint16_t b;
+    uint8_t count = HSreadWord(devAddr, regAddr, &b);
+    *data = b & (1 << bitNum);
+    return count;
+}
+
+int8_t HSreadBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data)
+{
+	uint8_t count;
+    uint16_t w;
+    if ((count = HSreadWord(devAddr, regAddr, &w)) != 0) {
+        uint16_t mask = ((1 << length) - 1) << (bitStart - length + 1);
+        w &= mask;
+        w >>= (bitStart - length + 1);
+        *data = w;
+    }
+    return count;
+}
+
+int8_t HSreadWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data)
+{
+	//return I2Cdev::readWord(devAddr, regAddr, data);
+	
+	uint8_t temp;
+	uint16_t temp_dat;
+	// bitbang for great justice!
+	*data = 0;
+	pinMode(DAT, OUTPUT);
+	regAddr = regAddr | (1 << 7);
+	
+	digitalWrite(devAddr, 0); //PORTC &= ~(1<<1); //devAddr used as chip select
+	for (int i = 0; i < 8; i++) {
+		temp = ((regAddr & (0x80 >> i)) != 0);
+		digitalWrite(CLK, 0); //PORTC &= ~(1<<5); //
+		digitalWrite(DAT, temp);
+		digitalWrite(CLK, 1); //PORTC |= (1<<5); //
+	}
+	// change direction of DAT
+	pinMode(DAT, INPUT); //	DDRC &= ~(1<<4); //
+	for (int i = 15; i >= 0; i--) {
+		digitalWrite(CLK, 0); //PORTC &= ~(1<<5); //
+		digitalWrite(CLK, 1); //PORTC |= (1<<5); //
+		temp_dat = digitalRead(DAT); //((PINC & (1<<4)) != 0);
+		temp_dat = temp_dat << i;
+		*data |= temp_dat;
+	}
+	digitalWrite(devAddr, 1); //PORTC |= (1<<1);// CS
+	
+	return 1;
+}
+
+
+bool HSwriteBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data)
+{
+	uint16_t w;
+    HSreadWord(devAddr, regAddr, &w);
+    w = (data != 0) ? (w | (1 << bitNum)) : (w & ~(1 << bitNum));
+    return HSwriteWord(devAddr, regAddr, w);
+}
+
+bool HSwriteBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data)
+{
+uint16_t w;
+    if (HSreadWord(devAddr, regAddr, &w) != 0) {
+        uint16_t mask = ((1 << length) - 1) << (bitStart - length + 1);
+        data <<= (bitStart - length + 1); // shift data into correct position
+        data &= mask; // zero all non-important bits in data
+        w &= ~(mask); // zero all important bits in existing word
+        w |= data; // combine data with existing word
+        return HSwriteWord(devAddr, regAddr, w);
+    } else {
+        return false;
+    }
+}
+
+bool HSwriteWord(uint8_t devAddr, uint8_t regAddr, uint16_t data)
+{
+	//return I2Cdev::writeWord(devAddr, regAddr, data);
+	
+	uint8_t temp_reg;
+	uint16_t temp_dat;
+	
+	//digitalWrite(13, HIGH);
+	
+	// bitbang for great justice!
+	pinMode(DAT, OUTPUT);
+	regAddr = regAddr & ~(1 << 7);
+	
+	digitalWrite(devAddr, 0); // PORTC &= ~(1<<1); //CS
+	for (int i = 0; i < 8; i++) {
+		temp_reg = ((regAddr & (0x80 >> i)) != 0);
+		digitalWrite(CLK, 0); //PORTC &= ~(1<<5); //
+		digitalWrite(DAT, regAddr & (0x80 >> i));
+		digitalWrite(CLK, 1); // PORTC |= (1<<5); //
+	}
+	for (int i = 0; i < 16; i++) {
+		temp_dat = ((data & (0x8000 >> i)) != 0);
+		digitalWrite(CLK, 0); //PORTC &= ~(1<<5); //
+		digitalWrite(DAT, temp_dat);
+		digitalWrite(CLK, 1); // PORTC |= (1<<5); //
+	}
+	
+	digitalWrite(devAddr, 1); //PORTC |= (1<<1); //CS
+	
+	return true;
+}

src/HamShield_comms.h

@@ -0,0 +1,22 @@
+
+
+
+#ifndef _HAMSHIELD_COMMS_H_
+#define _HAMSHIELD_COMMS_H_
+
+#include "Arduino.h"
+//#include "I2Cdev.h"
+
+#define nSEN A1
+#define CLK A5
+#define DAT A4
+
+int8_t HSreadBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t *data);
+int8_t HSreadBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t *data);
+int8_t HSreadWord(uint8_t devAddr, uint8_t regAddr, uint16_t *data);
+
+bool HSwriteBitW(uint8_t devAddr, uint8_t regAddr, uint8_t bitNum, uint16_t data);
+bool HSwriteBitsW(uint8_t devAddr, uint8_t regAddr, uint8_t bitStart, uint8_t length, uint16_t data);
+bool HSwriteWord(uint8_t devAddr, uint8_t regAddr, uint16_t data);
+
+#endif /* _HAMSHIELD_COMMS_H_ */