Merge branch 'kolaf-development' into development

libraries/MySensors/MyConfig.h

@@ -6,12 +6,15 @@
  */
  
 // pick ONE of these - other board layouts can be easily added this way
-#define MYSENSORS_SENSOR
-//#define MYSENSORS_SERIAL_GATEWAY
+// #define MYSENSORS_SENSOR
+#define MYSENSORS_SERIAL_GATEWAY
 //#define MYSENSORS_ETHERNET_MQTT_GATEWAY
 
 // Choose radio type by enabling one of the following
-#define MYSENSORS_RF_NRF24
+//#define MYSENSORS_RF_NRF24
+#define MYSENSORS_RF_RF69
+
+
 
 
 
@@ -20,6 +23,11 @@
 typedef class MyDriverNRF24 MyDriverClass;
 #endif
 
+#ifdef MYSENSORS_RF_RF69
+#include "MyDriverRF69.h"
+typedef class MyDriverRF69 MyDriverClass;
+#endif
+
 /***
  * Enable/Disable debug logging
  */

libraries/MySensors/MyDriverNRF24.cpp

@@ -15,13 +15,13 @@ void MyDriverNRF24::init() {
 	}
 	rf24->setAutoAck(1);
 	rf24->setAutoAck(BROADCAST_PIPE,false); // Turn off auto ack for broadcast
-	rf24->enableAckPayload();
 	rf24->setChannel(RF24_CHANNEL);
 	rf24->setPALevel(RF24_PA_LEVEL);
 	rf24->setDataRate(RF24_DATARATE);
 	rf24->setRetries(5,15);
 	rf24->setCRCLength(RF24_CRC_16);
 	rf24->enableDynamicPayloads();
+	rf24->enableDynamicAck();
 
 	// All nodes listen to broadcast pipe (for FIND_PARENT_RESPONSE messages)
 	rf24->openReadingPipe(BROADCAST_PIPE, TO_ADDR(BROADCAST_ADDRESS));

libraries/MySensors/MyDriverRF69.cpp

@@ -0,0 +1,50 @@
+#include <RHReliableDatagram.h>
+#include "MyDriver.h"
+#include "MyDriverRF69.h"
+
+MyDriverRF69::MyDriverRF69() : MyDriver() {
+	radio = new RFM69();
+}
+
+void MyDriverRF69::init() {
+	// Start up the radio library
+	radio->initialize(FREQUENCY,_address,NETWORKID);
+#ifdef IS_RFM69HW
+    radio->setHighPower(); //uncomment only for RFM69HW!
+#endif
+    // radio->encrypt(ENCRYPTKEY);
+	
+}
+
+void MyDriverRF69::setAddress(uint8_t address) {
+	_address = address;
+	radio->setAddress(address);
+}
+
+uint8_t MyDriverRF69::getAddress() {
+	return _address;
+}
+
+bool MyDriverRF69::send(uint8_t to, const void* data, uint8_t len) {
+	// Make sure radio has powered up
+	return radio->sendWithRetry(to,data,len);
+}
+
+bool MyDriverRF69::available(uint8_t *to) {
+	return radio->receiveDone();
+}
+
+uint8_t MyDriverRF69::receive(void* data) {
+	// for (byte i = 0; i < radio->DATALEN; i++){
+		// data[i]= (void)radio->DATA[i];
+	// }
+	memcpy(data,(const void *)radio->DATA, radio->DATALEN);
+	if (radio->ACKRequested())
+    {
+      radio->sendACK();
+    }
+}	
+
+void MyDriverRF69::powerDown() {
+	radio->sleep();
+}

libraries/MySensors/MyDriverRF69.h

@@ -0,0 +1,44 @@
+#ifndef MyCommDriver_h
+#define MyCommDriver_h
+
+#include "MyConfig.h"
+#include "MyDriver.h"
+#include <stdint.h>
+#include "RFM69.h"
+#include <SPI.h>
+
+#define NODEID        2    //unique for each node on same network
+#define NETWORKID     100  //the same on all nodes that talk to each other
+#define GATEWAYID     1
+//Match frequency to the hardware version of the radio on your Moteino (uncomment one):
+// #define FREQUENCY   RF69_433MHZ
+#define FREQUENCY   RF69_868MHZ
+//#define FREQUENCY     RF69_915MHZ
+#define ENCRYPTKEY    "sampleEncryptKey" //exactly the same 16 characters/bytes on all nodes!
+//#define IS_RFM69HW    //uncomment only for RFM69HW! Leave out if you have RFM69W!
+#define ACK_TIME      30 // max # of ms to wait for an ack
+#ifdef __AVR_ATmega1284P__
+  #define LED           15 // Moteino MEGAs have LEDs on D15
+  #define FLASH_SS      23 // and FLASH SS on D23
+#else
+  #define LED           9 // Moteinos have LEDs on D9
+  #define FLASH_SS      8 // and FLASH SS on D8
+#endif
+
+class MyDriverRF69 : public MyDriver
+{ 
+public:
+	MyDriverRF69();
+	void init();
+	void setAddress(uint8_t address);
+	uint8_t getAddress();
+	bool send(uint8_t to, const void* data, uint8_t len);
+	bool available(uint8_t *to);
+	uint8_t receive(void* data);
+	void powerDown();
+private:
+	RFM69 *radio = NULL;
+	uint8_t _address;
+};
+
+#endif

libraries/MySensors/MySensor.cpp

@@ -275,6 +275,7 @@ boolean MySensor::process() {
 				msg.sender, msg.last, msg.destination,  msg.sensor, mGetCommand(msg), msg.type, mGetPayloadType(msg), mGetLength(msg), msg.getString(convBuf));
 
 	if(!(mGetVersion(msg) == PROTOCOL_VERSION)) {
+		debug(PSTR("version: %d\n"),mGetVersion(msg));
 		debug(PSTR("version mismatch\n"));
 		return false;
 	}

libraries/MySensors/RFM69.cpp

@@ -0,0 +1,464 @@
+// **********************************************************************************
+// Driver definition for HopeRF RFM69W/RFM69HW/RFM69CW/RFM69HCW, Semtech SX1231/1231H
+// **********************************************************************************
+// Copyright Felix Rusu (2014), felix@lowpowerlab.com
+// http://lowpowerlab.com/
+// **********************************************************************************
+// License
+// **********************************************************************************
+// This program is free software; you can redistribute it 
+// and/or modify it under the terms of the GNU General    
+// Public License as published by the Free Software       
+// Foundation; either version 2 of the License, or        
+// (at your option) any later version.                    
+//                                                        
+// This program is distributed in the hope that it will   
+// be useful, but WITHOUT ANY WARRANTY; without even the  
+// implied warranty of MERCHANTABILITY or FITNESS FOR A   
+// PARTICULAR PURPOSE.  See the GNU General Public        
+// License for more details.                              
+//                                                        
+// You should have received a copy of the GNU General    
+// Public License along with this program; if not, write 
+// to the Free Software Foundation, Inc.,                
+// 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//                                                        
+// Licence can be viewed at                               
+// http://www.fsf.org/licenses/gpl.txt                    
+//
+// Please maintain this license information along with authorship
+// and copyright notices in any redistribution of this code
+// **********************************************************************************
+#include <RFM69.h>
+#include <RFM69registers.h>
+#include <SPI.h>
+
+volatile byte RFM69::DATA[RF69_MAX_DATA_LEN];
+volatile byte RFM69::_mode;       // current transceiver state
+volatile byte RFM69::DATALEN;
+volatile byte RFM69::SENDERID;
+volatile byte RFM69::TARGETID; //should match _address
+volatile byte RFM69::PAYLOADLEN;
+volatile byte RFM69::ACK_REQUESTED;
+volatile byte RFM69::ACK_RECEIVED; /// Should be polled immediately after sending a packet with ACK request
+volatile int RFM69::RSSI; //most accurate RSSI during reception (closest to the reception)
+RFM69* RFM69::selfPointer;
+
+bool RFM69::initialize(byte freqBand, byte nodeID, byte networkID)
+{
+  const byte CONFIG[][2] =
+  {
+    /* 0x01 */ { REG_OPMODE, RF_OPMODE_SEQUENCER_ON | RF_OPMODE_LISTEN_OFF | RF_OPMODE_STANDBY },
+    /* 0x02 */ { REG_DATAMODUL, RF_DATAMODUL_DATAMODE_PACKET | RF_DATAMODUL_MODULATIONTYPE_FSK | RF_DATAMODUL_MODULATIONSHAPING_00 }, //no shaping
+    /* 0x03 */ { REG_BITRATEMSB, RF_BITRATEMSB_55555}, //default:4.8 KBPS
+    /* 0x04 */ { REG_BITRATELSB, RF_BITRATELSB_55555},
+    /* 0x05 */ { REG_FDEVMSB, RF_FDEVMSB_50000}, //default:5khz, (FDEV + BitRate/2 <= 500Khz)
+    /* 0x06 */ { REG_FDEVLSB, RF_FDEVLSB_50000},
+
+    /* 0x07 */ { REG_FRFMSB, (freqBand==RF69_315MHZ ? RF_FRFMSB_315 : (freqBand==RF69_433MHZ ? RF_FRFMSB_433 : (freqBand==RF69_868MHZ ? RF_FRFMSB_868 : RF_FRFMSB_915))) },
+    /* 0x08 */ { REG_FRFMID, (freqBand==RF69_315MHZ ? RF_FRFMID_315 : (freqBand==RF69_433MHZ ? RF_FRFMID_433 : (freqBand==RF69_868MHZ ? RF_FRFMID_868 : RF_FRFMID_915))) },
+    /* 0x09 */ { REG_FRFLSB, (freqBand==RF69_315MHZ ? RF_FRFLSB_315 : (freqBand==RF69_433MHZ ? RF_FRFLSB_433 : (freqBand==RF69_868MHZ ? RF_FRFLSB_868 : RF_FRFLSB_915))) },
+    
+    // looks like PA1 and PA2 are not implemented on RFM69W, hence the max output power is 13dBm
+    // +17dBm and +20dBm are possible on RFM69HW
+    // +13dBm formula: Pout=-18+OutputPower (with PA0 or PA1**)
+    // +17dBm formula: Pout=-14+OutputPower (with PA1 and PA2)**
+    // +20dBm formula: Pout=-11+OutputPower (with PA1 and PA2)** and high power PA settings (section 3.3.7 in datasheet)
+    ///* 0x11 */ { REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF | RF_PALEVEL_PA2_OFF | RF_PALEVEL_OUTPUTPOWER_11111},
+    ///* 0x13 */ { REG_OCP, RF_OCP_ON | RF_OCP_TRIM_95 }, //over current protection (default is 95mA)
+    
+    // RXBW defaults are { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_5} (RxBw: 10.4khz)
+    /* 0x19 */ { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_16 | RF_RXBW_EXP_2 }, //(BitRate < 2 * RxBw)
+    //for BR-19200: //* 0x19 */ { REG_RXBW, RF_RXBW_DCCFREQ_010 | RF_RXBW_MANT_24 | RF_RXBW_EXP_3 },
+    /* 0x25 */ { REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01 }, //DIO0 is the only IRQ we're using
+    /* 0x29 */ { REG_RSSITHRESH, 220 }, //must be set to dBm = (-Sensitivity / 2) - default is 0xE4=228 so -114dBm
+    ///* 0x2d */ { REG_PREAMBLELSB, RF_PREAMBLESIZE_LSB_VALUE } // default 3 preamble bytes 0xAAAAAA
+    /* 0x2e */ { REG_SYNCCONFIG, RF_SYNC_ON | RF_SYNC_FIFOFILL_AUTO | RF_SYNC_SIZE_2 | RF_SYNC_TOL_0 },
+    /* 0x2f */ { REG_SYNCVALUE1, 0x2D },      //attempt to make this compatible with sync1 byte of RFM12B lib
+    /* 0x30 */ { REG_SYNCVALUE2, networkID }, //NETWORK ID
+    /* 0x37 */ { REG_PACKETCONFIG1, RF_PACKET1_FORMAT_VARIABLE | RF_PACKET1_DCFREE_OFF | RF_PACKET1_CRC_ON | RF_PACKET1_CRCAUTOCLEAR_ON | RF_PACKET1_ADRSFILTERING_OFF },
+    /* 0x38 */ { REG_PAYLOADLENGTH, 66 }, //in variable length mode: the max frame size, not used in TX
+    //* 0x39 */ { REG_NODEADRS, nodeID }, //turned off because we're not using address filtering
+    /* 0x3C */ { REG_FIFOTHRESH, RF_FIFOTHRESH_TXSTART_FIFONOTEMPTY | RF_FIFOTHRESH_VALUE }, //TX on FIFO not empty
+    /* 0x3d */ { REG_PACKETCONFIG2, RF_PACKET2_RXRESTARTDELAY_2BITS | RF_PACKET2_AUTORXRESTART_ON | RF_PACKET2_AES_OFF }, //RXRESTARTDELAY must match transmitter PA ramp-down time (bitrate dependent)
+    //for BR-19200: //* 0x3d */ { REG_PACKETCONFIG2, RF_PACKET2_RXRESTARTDELAY_NONE | RF_PACKET2_AUTORXRESTART_ON | RF_PACKET2_AES_OFF }, //RXRESTARTDELAY must match transmitter PA ramp-down time (bitrate dependent)
+    //* 0x6F */ { REG_TESTDAGC, RF_DAGC_CONTINUOUS }, // run DAGC continuously in RX mode
+    /* 0x6F */ { REG_TESTDAGC, RF_DAGC_IMPROVED_LOWBETA0 }, // run DAGC continuously in RX mode, recommended default for AfcLowBetaOn=0
+    {255, 0}
+  };
+
+  pinMode(_slaveSelectPin, OUTPUT);
+  SPI.begin();
+  
+  do writeReg(REG_SYNCVALUE1, 0xaa); while (readReg(REG_SYNCVALUE1) != 0xaa);
+	do writeReg(REG_SYNCVALUE1, 0x55); while (readReg(REG_SYNCVALUE1) != 0x55);
+
+  for (byte i = 0; CONFIG[i][0] != 255; i++)
+    writeReg(CONFIG[i][0], CONFIG[i][1]);
+
+  // Encryption is persistent between resets and can trip you up during debugging.
+  // Disable it during initialization so we always start from a known state.
+  encrypt(0);
+
+  setHighPower(_isRFM69HW); //called regardless if it's a RFM69W or RFM69HW
+  setMode(RF69_MODE_STANDBY);
+	while ((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // Wait for ModeReady
+  attachInterrupt(_interruptNum, RFM69::isr0, RISING);
+
+  selfPointer = this;
+  _address = nodeID;
+  return true;
+}
+
+void RFM69::setFrequency(uint32_t FRF)
+{
+  writeReg(REG_FRFMSB, FRF >> 16);
+  writeReg(REG_FRFMID, FRF >> 8);
+  writeReg(REG_FRFLSB, FRF);
+}
+
+void RFM69::setMode(byte newMode)
+{
+	if (newMode == _mode) return; //TODO: can remove this?
+
+	switch (newMode) {
+		case RF69_MODE_TX:
+			writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_TRANSMITTER);
+      if (_isRFM69HW) setHighPowerRegs(true);
+			break;
+		case RF69_MODE_RX:
+			writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_RECEIVER);
+      if (_isRFM69HW) setHighPowerRegs(false);
+			break;
+		case RF69_MODE_SYNTH:
+			writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_SYNTHESIZER);
+			break;
+		case RF69_MODE_STANDBY:
+			writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_STANDBY);
+			break;
+		case RF69_MODE_SLEEP:
+			writeReg(REG_OPMODE, (readReg(REG_OPMODE) & 0xE3) | RF_OPMODE_SLEEP);
+			break;
+		default: return;
+	}
+
+	// we are using packet mode, so this check is not really needed
+  // but waiting for mode ready is necessary when going from sleep because the FIFO may not be immediately available from previous mode
+	while (_mode == RF69_MODE_SLEEP && (readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // Wait for ModeReady
+
+	_mode = newMode;
+}
+
+void RFM69::sleep() {
+  setMode(RF69_MODE_SLEEP);
+}
+
+void RFM69::setAddress(byte addr)
+{
+  _address = addr;
+	writeReg(REG_NODEADRS, _address);
+}
+
+// set output power: 0=min, 31=max
+// this results in a "weaker" transmitted signal, and directly results in a lower RSSI at the receiver
+void RFM69::setPowerLevel(byte powerLevel)
+{
+  _powerLevel = powerLevel;
+  writeReg(REG_PALEVEL, (readReg(REG_PALEVEL) & 0xE0) | (_powerLevel > 31 ? 31 : _powerLevel));
+}
+
+bool RFM69::canSend()
+{
+  if (_mode == RF69_MODE_RX && PAYLOADLEN == 0 && readRSSI() < CSMA_LIMIT) //if signal stronger than -100dBm is detected assume channel activity
+  {
+    setMode(RF69_MODE_STANDBY);
+    return true;
+  }
+  return false;
+}
+
+void RFM69::send(byte toAddress, const void* buffer, byte bufferSize, bool requestACK)
+{
+  writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks
+  long now = millis();
+  while (!canSend() && millis()-now < RF69_CSMA_LIMIT_MS) receiveDone();
+  sendFrame(toAddress, buffer, bufferSize, requestACK, false);
+}
+
+// to increase the chance of getting a packet across, call this function instead of send
+// and it handles all the ACK requesting/retrying for you :)
+// The only twist is that you have to manually listen to ACK requests on the other side and send back the ACKs
+// The reason for the semi-automaton is that the lib is ingterrupt driven and
+// requires user action to read the received data and decide what to do with it
+// replies usually take only 5-8ms at 50kbps@915Mhz
+bool RFM69::sendWithRetry(byte toAddress, const void* buffer, byte bufferSize, byte retries, byte retryWaitTime) {
+  long sentTime;
+  for (byte i=0; i<=retries; i++)
+  {
+    send(toAddress, buffer, bufferSize, true);
+    sentTime = millis();
+    while (millis()-sentTime<retryWaitTime)
+    {
+      if (ACKReceived(toAddress))
+      {
+        //Serial.print(" ~ms:");Serial.print(millis()-sentTime);
+        return true;
+      }
+    }
+    //Serial.print(" RETRY#");Serial.println(i+1);
+  }
+  return false;
+}
+
+/// Should be polled immediately after sending a packet with ACK request
+bool RFM69::ACKReceived(byte fromNodeID) {
+  if (receiveDone())
+    return (SENDERID == fromNodeID || fromNodeID == RF69_BROADCAST_ADDR) && ACK_RECEIVED;
+  return false;
+}
+
+//check whether an ACK was requested in the last received packet (non-broadcasted packet)
+bool RFM69::ACKRequested() {
+  return ACK_REQUESTED && (TARGETID != RF69_BROADCAST_ADDR);
+}
+
+/// Should be called immediately after reception in case sender wants ACK
+void RFM69::sendACK(const void* buffer, byte bufferSize) {
+  byte sender = SENDERID;
+  while (!canSend()) receiveDone();
+  sendFrame(sender, buffer, bufferSize, false, true);
+}
+
+void RFM69::sendFrame(byte toAddress, const void* buffer, byte bufferSize, bool requestACK, bool sendACK)
+{
+  setMode(RF69_MODE_STANDBY); //turn off receiver to prevent reception while filling fifo
+	while ((readReg(REG_IRQFLAGS1) & RF_IRQFLAGS1_MODEREADY) == 0x00); // Wait for ModeReady
+  writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_00); // DIO0 is "Packet Sent"
+  if (bufferSize > RF69_MAX_DATA_LEN) bufferSize = RF69_MAX_DATA_LEN;
+
+	//write to FIFO
+	select();
+	SPI.transfer(REG_FIFO | 0x80);
+	SPI.transfer(bufferSize + 3);
+	SPI.transfer(toAddress);
+  SPI.transfer(_address);
+  
+  //control byte
+  if (sendACK)
+    SPI.transfer(0x80);
+  else if (requestACK)
+    SPI.transfer(0x40);
+  else SPI.transfer(0x00);
+  
+	for (byte i = 0; i < bufferSize; i++)
+    SPI.transfer(((byte*)buffer)[i]);
+	unselect();
+
+	/* no need to wait for transmit mode to be ready since its handled by the radio */
+	setMode(RF69_MODE_TX);
+	while (digitalRead(_interruptPin) == 0); //wait for DIO0 to turn HIGH signalling transmission finish
+  //while (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PACKETSENT == 0x00); // Wait for ModeReady
+  setMode(RF69_MODE_STANDBY);
+}
+
+void RFM69::interruptHandler() {
+  //pinMode(4, OUTPUT);
+  //digitalWrite(4, 1);
+  if (_mode == RF69_MODE_RX && (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PAYLOADREADY))
+  {
+    //RSSI = readRSSI();
+    setMode(RF69_MODE_STANDBY);
+    select();
+    SPI.transfer(REG_FIFO & 0x7f);
+    PAYLOADLEN = SPI.transfer(0);
+    PAYLOADLEN = PAYLOADLEN > 66 ? 66 : PAYLOADLEN; //precaution
+    TARGETID = SPI.transfer(0);
+    if(!(_promiscuousMode || TARGETID==_address || TARGETID==RF69_BROADCAST_ADDR)) //match this node's address, or broadcast address or anything in promiscuous mode
+    {
+      PAYLOADLEN = 0;
+      unselect();
+      //digitalWrite(4, 0);
+      return;
+    }
+    DATALEN = PAYLOADLEN - 3;
+    SENDERID = SPI.transfer(0);
+    byte CTLbyte = SPI.transfer(0);
+    
+    ACK_RECEIVED = CTLbyte & 0x80; //extract ACK-requested flag
+    ACK_REQUESTED = CTLbyte & 0x40; //extract ACK-received flag
+    
+    for (byte i= 0; i < DATALEN; i++)
+    {
+      DATA[i] = SPI.transfer(0);
+    }
+    if (DATALEN<RF69_MAX_DATA_LEN) DATA[DATALEN]=0; //add null at end of string
+    unselect();
+    setMode(RF69_MODE_RX);
+  }
+  RSSI = readRSSI();
+  //digitalWrite(4, 0);
+}
+
+void RFM69::isr0() { selfPointer->interruptHandler(); }
+
+void RFM69::receiveBegin() {
+  DATALEN = 0;
+  SENDERID = 0;
+  TARGETID = 0;
+  PAYLOADLEN = 0;
+  ACK_REQUESTED = 0;
+  ACK_RECEIVED = 0;
+  RSSI = 0;
+  if (readReg(REG_IRQFLAGS2) & RF_IRQFLAGS2_PAYLOADREADY)
+    writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks
+  writeReg(REG_DIOMAPPING1, RF_DIOMAPPING1_DIO0_01); //set DIO0 to "PAYLOADREADY" in receive mode
+  setMode(RF69_MODE_RX);
+}
+
+bool RFM69::receiveDone() {
+// ATOMIC_BLOCK(ATOMIC_FORCEON)
+// {
+  noInterrupts(); //re-enabled in unselect() via setMode() or via receiveBegin()
+  if (_mode == RF69_MODE_RX && PAYLOADLEN>0)
+  {
+    setMode(RF69_MODE_STANDBY); //enables interrupts
+    return true;
+  }
+  else if (_mode == RF69_MODE_RX)  //already in RX no payload yet
+  {
+    interrupts(); //explicitly re-enable interrupts
+    return false;
+  }
+  receiveBegin();
+  return false;
+//}
+}
+
+// To enable encryption: radio.encrypt("ABCDEFGHIJKLMNOP");
+// To disable encryption: radio.encrypt(null) or radio.encrypt(0)
+// KEY HAS TO BE 16 bytes !!!
+void RFM69::encrypt(const char* key) {
+  setMode(RF69_MODE_STANDBY);
+  if (key!=0)
+  {
+    select();
+    SPI.transfer(REG_AESKEY1 | 0x80);
+    for (byte i = 0; i<16; i++)
+      SPI.transfer(key[i]);
+    unselect();
+  }
+  writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFE) | (key ? 1 : 0));
+}
+
+int RFM69::readRSSI(bool forceTrigger) {
+  int rssi = 0;
+  if (forceTrigger)
+  {
+    //RSSI trigger not needed if DAGC is in continuous mode
+    writeReg(REG_RSSICONFIG, RF_RSSI_START);
+    while ((readReg(REG_RSSICONFIG) & RF_RSSI_DONE) == 0x00); // Wait for RSSI_Ready
+  }
+  rssi = -readReg(REG_RSSIVALUE);
+  rssi >>= 1;
+  return rssi;
+}
+
+byte RFM69::readReg(byte addr)
+{
+  select();
+  SPI.transfer(addr & 0x7F);
+  byte regval = SPI.transfer(0);
+  unselect();
+  return regval;
+}
+
+void RFM69::writeReg(byte addr, byte value)
+{
+  select();
+  SPI.transfer(addr | 0x80);
+  SPI.transfer(value);
+  unselect();
+}
+
+/// Select the transceiver
+void RFM69::select() {
+  noInterrupts();
+  //save current SPI settings
+  _SPCR = SPCR;
+  _SPSR = SPSR;
+  //set RFM69 SPI settings
+  SPI.setDataMode(SPI_MODE0);
+  SPI.setBitOrder(MSBFIRST);
+  SPI.setClockDivider(SPI_CLOCK_DIV4); //decided to slow down from DIV2 after SPI stalling in some instances, especially visible on mega1284p when RFM69 and FLASH chip both present
+  digitalWrite(_slaveSelectPin, LOW);
+}
+
+/// UNselect the transceiver chip
+void RFM69::unselect() {
+  digitalWrite(_slaveSelectPin, HIGH);
+  //restore SPI settings to what they were before talking to RFM69
+  SPCR = _SPCR;
+  SPSR = _SPSR;
+  interrupts();
+}
+
+// ON  = disable filtering to capture all frames on network
+// OFF = enable node+broadcast filtering to capture only frames sent to this/broadcast address
+void RFM69::promiscuous(bool onOff) {
+  _promiscuousMode=onOff;
+  //writeReg(REG_PACKETCONFIG1, (readReg(REG_PACKETCONFIG1) & 0xF9) | (onOff ? RF_PACKET1_ADRSFILTERING_OFF : RF_PACKET1_ADRSFILTERING_NODEBROADCAST));
+}
+
+void RFM69::setHighPower(bool onOff) {
+  _isRFM69HW = onOff;
+  writeReg(REG_OCP, _isRFM69HW ? RF_OCP_OFF : RF_OCP_ON);
+  if (_isRFM69HW) //turning ON
+    writeReg(REG_PALEVEL, (readReg(REG_PALEVEL) & 0x1F) | RF_PALEVEL_PA1_ON | RF_PALEVEL_PA2_ON); //enable P1 & P2 amplifier stages
+  else
+    writeReg(REG_PALEVEL, RF_PALEVEL_PA0_ON | RF_PALEVEL_PA1_OFF | RF_PALEVEL_PA2_OFF | _powerLevel); //enable P0 only
+}
+
+void RFM69::setHighPowerRegs(bool onOff) {
+  writeReg(REG_TESTPA1, onOff ? 0x5D : 0x55);
+  writeReg(REG_TESTPA2, onOff ? 0x7C : 0x70);
+}
+
+void RFM69::setCS(byte newSPISlaveSelect) {
+  _slaveSelectPin = newSPISlaveSelect;
+  pinMode(_slaveSelectPin, OUTPUT);
+}
+
+//for debugging
+void RFM69::readAllRegs()
+{
+  byte regVal;
+	
+  for (byte regAddr = 1; regAddr <= 0x4F; regAddr++)
+	{
+    select();
+    SPI.transfer(regAddr & 0x7f);	// send address + r/w bit
+    regVal = SPI.transfer(0);
+    unselect();
+
+    Serial.print(regAddr, HEX);
+    Serial.print(" - ");
+    Serial.print(regVal,HEX);
+    Serial.print(" - ");
+    Serial.println(regVal,BIN);
+	}
+  unselect();
+}
+
+byte RFM69::readTemperature(byte calFactor)  //returns centigrade
+{
+  setMode(RF69_MODE_STANDBY);
+  writeReg(REG_TEMP1, RF_TEMP1_MEAS_START);
+  while ((readReg(REG_TEMP1) & RF_TEMP1_MEAS_RUNNING)) Serial.print('*');
+  return ~readReg(REG_TEMP2) + COURSE_TEMP_COEF + calFactor; //'complement'corrects the slope, rising temp = rising val
+}												   	  // COURSE_TEMP_COEF puts reading in the ballpark, user can add additional correction
+
+void RFM69::rcCalibration()
+{
+  writeReg(REG_OSC1, RF_OSC1_RCCAL_START);
+  while ((readReg(REG_OSC1) & RF_OSC1_RCCAL_DONE) == 0x00);
+}

libraries/MySensors/RFM69.h

@@ -0,0 +1,136 @@
+// **********************************************************************************
+// Driver definition for HopeRF RFM69W/RFM69HW/RFM69CW/RFM69HCW, Semtech SX1231/1231H
+// **********************************************************************************
+// Copyright Felix Rusu (2014), felix@lowpowerlab.com
+// http://lowpowerlab.com/
+// **********************************************************************************
+// License
+// **********************************************************************************
+// This program is free software; you can redistribute it 
+// and/or modify it under the terms of the GNU General    
+// Public License as published by the Free Software       
+// Foundation; either version 2 of the License, or        
+// (at your option) any later version.                    
+//                                                        
+// This program is distributed in the hope that it will   
+// be useful, but WITHOUT ANY WARRANTY; without even the  
+// implied warranty of MERCHANTABILITY or FITNESS FOR A   
+// PARTICULAR PURPOSE.  See the GNU General Public        
+// License for more details.                              
+//                                                        
+// You should have received a copy of the GNU General    
+// Public License along with this program; if not, write 
+// to the Free Software Foundation, Inc.,                
+// 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//                                                        
+// Licence can be viewed at                               
+// http://www.fsf.org/licenses/gpl.txt                    
+//
+// Please maintain this license information along with authorship
+// and copyright notices in any redistribution of this code
+// **********************************************************************************
+#ifndef RFM69_h
+#define RFM69_h
+#include <Arduino.h>            //assumes Arduino IDE v1.0 or greater
+
+#define RF69_MAX_DATA_LEN         61 // to take advantage of the built in AES/CRC we want to limit the frame size to the internal FIFO size (66 bytes - 3 bytes overhead)
+#define RF69_SPI_CS               SS // SS is the SPI slave select pin, for instance D10 on atmega328
+
+// INT0 on AVRs should be connected to RFM69's DIO0 (ex on Atmega328 it's D2, on Atmega644/1284 it's D2)
+#if defined(__AVR_ATmega168__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega88) || defined(__AVR_ATmega8__) || defined(__AVR_ATmega88__) || defined(__AVR_ATmega32U4__)
+  #define RF69_IRQ_PIN          2
+  #define RF69_IRQ_NUM          0
+#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1284P__)
+  #define RF69_IRQ_PIN          2
+  #define RF69_IRQ_NUM          2
+#endif
+
+#define CSMA_LIMIT          -90 // upper RX signal sensitivity threshold in dBm for carrier sense access
+#define RF69_MODE_SLEEP       0 // XTAL OFF
+#define	RF69_MODE_STANDBY     1 // XTAL ON
+#define RF69_MODE_SYNTH	      2 // PLL ON
+#define RF69_MODE_RX          3 // RX MODE
+#define RF69_MODE_TX		      4 // TX MODE
+
+//available frequency bands
+#define RF69_315MHZ     31  // non trivial values to avoid misconfiguration
+#define RF69_433MHZ     43
+#define RF69_868MHZ     86
+#define RF69_915MHZ     91
+
+#define null                  0
+#define COURSE_TEMP_COEF    -90 // puts the temperature reading in the ballpark, user can fine tune the returned value
+#define RF69_BROADCAST_ADDR 255
+#define RF69_CSMA_LIMIT_MS 1000
+
+class RFM69 {
+  public:
+    static volatile byte DATA[RF69_MAX_DATA_LEN];          // recv/xmit buf, including hdr & crc bytes
+    static volatile byte DATALEN;
+    static volatile byte SENDERID;
+    static volatile byte TARGETID; //should match _address
+    static volatile byte PAYLOADLEN;
+    static volatile byte ACK_REQUESTED;
+    static volatile byte ACK_RECEIVED; /// Should be polled immediately after sending a packet with ACK request
+    static volatile int RSSI; //most accurate RSSI during reception (closest to the reception)
+    static volatile byte _mode; //should be protected?
+    
+    RFM69(byte slaveSelectPin=RF69_SPI_CS, byte interruptPin=RF69_IRQ_PIN, bool isRFM69HW=false, byte interruptNum=RF69_IRQ_NUM) {
+      _slaveSelectPin = slaveSelectPin;
+      _interruptPin = interruptPin;
+      _interruptNum = interruptNum;
+      _mode = RF69_MODE_STANDBY;
+      _promiscuousMode = false;
+      _powerLevel = 31;
+      _isRFM69HW = isRFM69HW;
+    }
+
+    bool initialize(byte freqBand, byte ID, byte networkID=1);
+    void setAddress(byte addr);
+    bool canSend();
+    void send(byte toAddress, const void* buffer, byte bufferSize, bool requestACK=false);
+    bool sendWithRetry(byte toAddress, const void* buffer, byte bufferSize, byte retries=2, byte retryWaitTime=40); //40ms roundtrip req for  61byte packets
+    bool receiveDone();
+    bool ACKReceived(byte fromNodeID);
+    bool ACKRequested();
+    void sendACK(const void* buffer = "", uint8_t bufferSize=0);
+    void setFrequency(uint32_t FRF);
+    void encrypt(const char* key);
+    void setCS(byte newSPISlaveSelect);
+    int readRSSI(bool forceTrigger=false);
+    void promiscuous(bool onOff=true);
+    void setHighPower(bool onOFF=true); //have to call it after initialize for RFM69HW
+    void setPowerLevel(byte level); //reduce/increase transmit power level
+    void sleep();
+    byte readTemperature(byte calFactor=0); //get CMOS temperature (8bit)
+    void rcCalibration(); //calibrate the internal RC oscillator for use in wide temperature variations - see datasheet section [4.3.5. RC Timer Accuracy]
+
+    // allow hacking registers by making these public
+    byte readReg(byte addr);
+    void writeReg(byte addr, byte val);
+    void readAllRegs();
+
+  protected:
+    static void isr0();
+    void virtual interruptHandler();
+    void sendFrame(byte toAddress, const void* buffer, byte size, bool requestACK=false, bool sendACK=false);
+
+    static RFM69* selfPointer;
+    byte _slaveSelectPin;
+    byte _interruptPin;
+    byte _interruptNum;
+    byte _address;
+    bool _promiscuousMode;
+    byte _powerLevel;
+    bool _isRFM69HW;
+    byte _SPCR;
+    byte _SPSR;
+
+    void receiveBegin();
+    void setMode(byte mode);
+    void setHighPowerRegs(bool onOff);
+    void select();
+    void unselect();
+};
+
+#endif