Added Oregon protocoll

Former-commit-id: ad6e4110a0338bdc1190f593cb3bd1c64ac4965c

Hal.iml

@@ -32,5 +32,15 @@
       </library>
     </orderEntry>
     <orderEntry type="module" module-name="Zutil" exported="" />
+    <orderEntry type="module-library" scope="TEST">
+      <library name="JUnit4">
+        <CLASSES>
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/junit-4.12.jar!/" />
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/hamcrest-core-1.3.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>

arduino/PowerTransmitter/BH1750.cpp

@@ -0,0 +1,93 @@
+/*
+
+This is a library for the BH1750FVI Digital Light Sensor
+breakout board.
+
+The board uses I2C for communication. 2 pins are required to
+interface to the device.
+
+
+Written by Christopher Laws, March, 2013.
+
+*/
+
+#include "BH1750.h"
+#include <util/delay.h>
+
+
+BH1750::BH1750() {}
+
+void BH1750::begin(uint8_t mode) {
+  Wire.begin();
+  //write8(mode);
+  configure(mode);
+}
+
+
+void BH1750::configure(uint8_t mode) {
+    switch (mode) {
+        case BH1750_CONTINUOUS_HIGH_RES_MODE:
+        case BH1750_CONTINUOUS_HIGH_RES_MODE_2:
+        case BH1750_CONTINUOUS_LOW_RES_MODE:
+        case BH1750_ONE_TIME_HIGH_RES_MODE:
+        case BH1750_ONE_TIME_HIGH_RES_MODE_2:
+        case BH1750_ONE_TIME_LOW_RES_MODE:
+            // apply a valid mode change
+            write8(mode);
+            _delay_ms(10);
+            break;
+        default:
+            // Invalid measurement mode
+            #if BH1750_DEBUG == 1
+            Serial.println("Invalid measurement mode");
+            #endif
+            break;
+    }
+}
+
+
+uint16_t BH1750::readLightLevel(void) {
+  uint16_t level;
+
+  Wire.beginTransmission(BH1750_I2CADDR);
+  Wire.requestFrom(BH1750_I2CADDR, 2);
+#if (ARDUINO >= 100)
+  level = Wire.read();
+  level <<= 8;
+  level |= Wire.read();
+#else
+  level = Wire.receive();
+  level <<= 8;
+  level |= Wire.receive();
+#endif
+  Wire.endTransmission();
+
+#if BH1750_DEBUG == 1
+  Serial.print("Raw light level: ");
+  Serial.println(level);
+#endif
+
+  level = level/1.2; // convert to lux
+
+#if BH1750_DEBUG == 1
+  Serial.print("Light level: ");
+  Serial.println(level);
+#endif
+  return level;
+}
+
+
+
+/*********************************************************************/
+
+
+void BH1750::write8(uint8_t d) {
+  Wire.beginTransmission(BH1750_I2CADDR);
+#if (ARDUINO >= 100)
+  Wire.write(d);
+#else
+  Wire.send(d);
+#endif
+  Wire.endTransmission();
+}
+

arduino/PowerTransmitter/BH1750.h

@@ -0,0 +1,73 @@
+/*
+
+This is a library for the BH1750FVI Digital Light Sensor
+breakout board.
+
+The board uses I2C for communication. 2 pins are required to
+interface to the device.
+
+Datasheet:
+http://rohmfs.rohm.com/en/products/databook/datasheet/ic/sensor/light/bh1750fvi-e.pdf
+
+Written by Christopher Laws, March, 2013.
+
+*/
+
+#ifndef BH1750_h
+#define BH1750_h
+
+#if (ARDUINO >= 100)
+#include <Arduino.h>
+#else
+#include <WProgram.h>
+#endif
+#include "Wire.h"
+
+#define BH1750_DEBUG 0
+
+#define BH1750_I2CADDR 0x23
+
+// No active state
+#define BH1750_POWER_DOWN 0x00
+
+// Wating for measurment command
+#define BH1750_POWER_ON 0x01
+
+// Reset data register value - not accepted in POWER_DOWN mode
+#define BH1750_RESET 0x07
+
+// Start measurement at 1lx resolution. Measurement time is approx 120ms.
+#define BH1750_CONTINUOUS_HIGH_RES_MODE  0x10
+
+// Start measurement at 0.5lx resolution. Measurement time is approx 120ms.
+#define BH1750_CONTINUOUS_HIGH_RES_MODE_2  0x11
+
+// Start measurement at 4lx resolution. Measurement time is approx 16ms.
+#define BH1750_CONTINUOUS_LOW_RES_MODE  0x13
+
+// Start measurement at 1lx resolution. Measurement time is approx 120ms.
+// Device is automatically set to Power Down after measurement.
+#define BH1750_ONE_TIME_HIGH_RES_MODE  0x20
+
+// Start measurement at 0.5lx resolution. Measurement time is approx 120ms.
+// Device is automatically set to Power Down after measurement.
+#define BH1750_ONE_TIME_HIGH_RES_MODE_2  0x21
+
+// Start measurement at 1lx resolution. Measurement time is approx 120ms.
+// Device is automatically set to Power Down after measurement.
+#define BH1750_ONE_TIME_LOW_RES_MODE  0x23
+
+class BH1750 {
+ public:
+  BH1750();
+  void begin(uint8_t mode = BH1750_CONTINUOUS_HIGH_RES_MODE);
+  void configure(uint8_t mode);
+  uint16_t readLightLevel(void);
+
+ private:
+  void write8(uint8_t data);
+
+};
+
+#endif
+

arduino/PowerTransmitter/PowerTransmitter.ino

@@ -1,294 +1,37 @@
 /*
-* Protocol: Oregon V2.1
-* Emulating sensor: THGR2228N
+
+Example of BH1750 library usage.
+
+This example initalises the BH1750 object using the default
+high resolution mode and then makes a light level reading every second.
+
+Connection:
+ VCC-5v
+ GND-GND
+ SCL-SCL(analog pin 5)
+ SDA-SDA(analog pin 4)
+ ADD-NC or GND
+
 */
 
 #include <Wire.h>
-#include "BH1750FVI.h"
+#include "BH1750.h"
 
-BH1750FVI LightSensor;
-const byte TX_PIN = 10;
-const byte LED_PIN = 13;
-const unsigned long TIME = 512;
-const unsigned long TWOTIME = TIME*2;
-#define SEND_HIGH() digitalWrite(TX_PIN, HIGH)
-#define SEND_LOW() digitalWrite(TX_PIN, LOW)
-byte OregonMessageBuffer[9];
-unsigned long previousTime = 0;
-unsigned long currentTime = millis();
-int impulseCount = 0;
 
-void setup()
-{
+BH1750 lightMeter;
+
+void setup(){
   Serial.begin(9600);
-  
-  pinMode(TX_PIN, OUTPUT);
-  pinMode(LED_PIN, OUTPUT);
-  SEND_LOW();
-  byte ID[] = { 0x1A,0x2D  };  //temperature/humidity sensor (THGR2228N)
-  setType(OregonMessageBuffer, ID);
-  setChannel(OregonMessageBuffer, 0x20);
-  
-  LightSensor.begin();
-  LightSensor.SetAddress(Device_Address_H);
-  LightSensor.SetMode(Continuous_H_resolution_Mode);
-  Serial.print("Started");
+  lightMeter.begin(BH1750_ONE_TIME_LOW_RES_MODE);
+  Serial.println("Running...");
 }
 
 
-boolean light = false;
-void loop()
-{
-  currentTime = millis();
-  uint16_t lux = LightSensor.GetLightIntensity();
-  if(lux > 100 && !light){
-    light = true;
-    impulseCount++;
-  }else if(lux < 100){
-    light = false;
-  }
-  if(currentTime - previousTime > 5000) {
-    previousTime = currentTime;
-    Serial.print("total impulses = ");
-    Serial.println(impulseCount);
-    send433(impulseCount,0,0xBA);
-    impulseCount = 0;
-    delay(500);
-  }
+void loop() {
+  uint16_t lux = lightMeter.readLightLevel();
+  Serial.print("Light: ");
+  Serial.print(lux);
+  Serial.println(" lx");
+  delay(1000);
 }
 
-void send433(float temperature, byte humidity, byte Identitet)
-{
-  digitalWrite(LED_PIN, HIGH);
-  setId(OregonMessageBuffer, Identitet); //set id of the sensor, BB=187
-  setBatteryLevel(OregonMessageBuffer, 1); // 0 : low, 1 : high
-  setTemperature(OregonMessageBuffer, temperature); //org setTemperature(OregonMessageBuffer, 55.5);
-  setHumidity(OregonMessageBuffer, humidity);
-  calculateAndSetChecksum(OregonMessageBuffer);
-
-  // Show the Oregon Message
-  for (byte i = 0; i < sizeof(OregonMessageBuffer); ++i) { 
-    Serial.print(OregonMessageBuffer[i] >> 4, HEX);
-    Serial.print(OregonMessageBuffer[i] & 0x0F, HEX);
-  }
-  Serial.println();
-
-  // Send the Message over RF
-  sendOregon(OregonMessageBuffer, sizeof(OregonMessageBuffer));
-  // Send a "pause"
-  SEND_LOW();  
-  delayMicroseconds(TWOTIME*8);
-  // Send a copie of the first message. The v2.1 protocol send the message two time
-  sendOregon(OregonMessageBuffer, sizeof(OregonMessageBuffer));
-  SEND_LOW();
-  digitalWrite(LED_PIN, LOW);
-}
-
-inline void setId(byte *data, byte ID)
-{
-  data[3] = ID;
-}
-
-void setBatteryLevel(byte *data, byte level)
-{
-  if(!level) data[4] = 0x0C;
-  else data[4] = 0x00;
-}
-
-void setTemperature(byte *data, float temp)
-{
-  // Set temperature sign
-  if(temp < 0)
-  {
-    data[6] = 0x08;
-    temp *= -1;
-  }
-  else
-  {
-    data[6] = 0x00;
-  }
-
-  // Determine decimal and float part
-  int tempInt = (int)temp;
-  int td = (int)(tempInt / 10);
-  int tf = (int)round((float)((float)tempInt/10 - (float)td) * 10);
-
-  int tempFloat = (int)round((float)(temp - (float)tempInt) * 10);
-
-  // Set temperature decimal part
-  data[5] = (td << 4);
-  data[5] |= tf;
-
-  // Set temperature float part
-  data[4] |= (tempFloat << 4);
-}
-
-void setHumidity(byte* data, byte hum)
-{
-  data[7] = (hum/10);
-  data[6] |= (hum - data[7]*10) << 4;
-}
-
-void calculateAndSetChecksum(byte* data)
-{
-  int sum = 0;
-  for(byte i = 0; i<8;i++)
-  {
-    sum += (data[i]&0xF0) >> 4;
-    sum += (data[i]&0xF);
-  }
-  data[8] = ((sum - 0xa) & 0xFF);
-}
-
-
-
-
-//*********************************************************************************************************
-
-
-/**
- * \brief Send logical "0" over RF
- * \details azero bit be represented by an off-to-on transition
- * \ of the RF signal at the middle of a clock period.
- * \ Remenber, the Oregon v2.1 protocol add an inverted bit first
- */
-inline void sendZero(void)
-{
-  SEND_HIGH();
-  delayMicroseconds(TIME);
-  SEND_LOW();
-  delayMicroseconds(TWOTIME);
-  SEND_HIGH();
-  delayMicroseconds(TIME);
-}
-
-/**
- * \brief Send logical "1" over RF
- * \details a one bit be represented by an on-to-off transition
- * \ of the RF signal at the middle of a clock period.
- * \ Remenber, the Oregon v2.1 protocol add an inverted bit first
- */
-inline void sendOne(void)
-{
-  SEND_LOW();
-  delayMicroseconds(TIME);
-  SEND_HIGH();
-  delayMicroseconds(TWOTIME);
-  SEND_LOW();
-  delayMicroseconds(TIME);
-}
-
-/**
- * \brief Send a bits quarter (4 bits = MSB from 8 bits value) over RF
- * \param data Data to send
- */
-inline void sendQuarterMSB(const byte data)
-{
-  (bitRead(data, 4)) ? sendOne() : sendZero();
-  (bitRead(data, 5)) ? sendOne() : sendZero();
-  (bitRead(data, 6)) ? sendOne() : sendZero();
-  (bitRead(data, 7)) ? sendOne() : sendZero();
-}
-
-/**
- * \brief Send a bits quarter (4 bits = LSB from 8 bits value) over RF
- * \param data Data to send
- */
-inline void sendQuarterLSB(const byte data)
-{
-  (bitRead(data, 0)) ? sendOne() : sendZero();
-  (bitRead(data, 1)) ? sendOne() : sendZero();
-  (bitRead(data, 2)) ? sendOne() : sendZero();
-  (bitRead(data, 3)) ? sendOne() : sendZero();
-}
-
-/******************************************************************/
-/******************************************************************/
-/******************************************************************/
-
-/**
- * \brief Send a buffer over RF
- * \param data Data to send
- * \param size size of data to send
- */
-void sendData(byte *data, byte size)
-{
-  for(byte i = 0; i < size; ++i)
-  {
-    sendQuarterLSB(data[i]);
-    sendQuarterMSB(data[i]);
-  }
-}
-
-/**
- * \brief Send an Oregon message
- * \param data The Oregon message
- */
-void sendOregon(byte *data, byte size)
-{
-  sendPreamble();
-  //sendSync();
-  sendData(data, size);
-  sendPostamble();
-}
-
-/**
- * \brief Send preamble
- * \details The preamble consists of 16 "1" bits
- */
-inline void sendPreamble(void)
-{
-  byte PREAMBLE[]={ 
-    0xFF,0xFF   };
-  sendData(PREAMBLE, 2);
-}
-
-/**
- * \brief Send postamble
- * \details The postamble consists of 8 "0" bits
- */
-inline void sendPostamble(void)
-{
-  byte POSTAMBLE[]={ 
-    0x00   };
-  sendData(POSTAMBLE, 1);
-}
-
-/**
- * \brief Send sync nibble
- * \details The sync is 0xA. It is not use in this version since the sync nibble
- * \ is include in the Oregon message to send.
- */
-inline void sendSync(void)
-{
-  sendQuarterLSB(0xA);
-}
-
-/******************************************************************/
-/******************************************************************/
-/******************************************************************/
-
-/**
- * \brief Set the sensor type
- * \param data Oregon message
- * \param type Sensor type
- */
-inline void setType(byte *data, byte* type)
-{
-  data[0] = type[0];
-  data[1] = type[1];
-}
-
-/**
- * \brief Set the sensor channel
- * \param data Oregon message
- * \param channel Sensor channel (0x10, 0x20, 0x30)
- */
-inline void setChannel(byte *data, byte channel)
-{
-  data[2] = channel;
-}
-
-
-
-

arduino/PowerTransmitter/PowerTransmitter/BH1750FVI.cpp

@@ -1,41 +1,38 @@
 #include "BH1750FVI.h"
-#include "Arduino.h"
 
-BH1750FVI::BH1750FVI(){  
+BH1750FVI::BH1750FVI(){ }
   
- }
-  
-  void BH1750FVI::begin(void){
-   Wire.begin(); 
-   I2CWriteTo(Power_On ); //Turn it On 
-   pinMode(AddrPin,OUTPUT);
-   digitalWrite(AddrPin,HIGH);
-      
-  }
-  void BH1750FVI::Sleep(void){
-    I2CWriteTo(Power_Down ); //Turn it off , Reset operator won't work in this mode
-  }
-  void BH1750FVI::Reset(void){
-    I2CWriteTo(Power_On ); //Turn it on again
-    I2CWriteTo(reset ); //Reset
+void BH1750FVI::begin(void){
+ Wire.begin(); 
+ I2CWriteTo(Power_On ); //Turn it On 
+ pinMode(AddrPin,OUTPUT);
+ digitalWrite(AddrPin,HIGH);
     
-  }
-  void BH1750FVI::SetAddress(uint8_t add){
-    switch (add){
-      case Device_Address_L:
+}
+void BH1750FVI::Sleep(void){
+  I2CWriteTo(Power_Down ); //Turn it off , Reset operator won't work in this mode
+}
+void BH1750FVI::Reset(void){
+  I2CWriteTo(Power_On ); //Turn it on again
+  I2CWriteTo(reset ); //Reset
+}
+  
+void BH1750FVI::SetAddress(uint8_t add){
+  switch (add){
+    case Device_Address_L:
       address_value=Device_Address_L;
       digitalWrite(AddrPin,LOW);
       state=false;
       break;
-      case Device_Address_H:
+    case Device_Address_H:
       address_value=Device_Address_H;
       digitalWrite(AddrPin,HIGH);
       state=true;
       break;
-    }
-    
   }
-  void BH1750FVI::SetMode(uint8_t MODE){
+}
+
+void BH1750FVI::SetMode(uint8_t MODE){
     switch(MODE){
         case Continuous_H_resolution_Mode:
         break;
@@ -57,12 +54,12 @@ BH1750FVI::BH1750FVI(){
   uint16_t BH1750FVI::GetLightIntensity(void){
   uint16_t Intensity_value;
   if(state ==true){
-  Wire.beginTransmission(Device_Address_H);
-  Wire.requestFrom(Device_Address_H, 2);
+    Wire.beginTransmission(Device_Address_H);
+    Wire.requestFrom(Device_Address_H, 2);
   }
   if(state ==false){
-  Wire.beginTransmission(Device_Address_L);
-  Wire.requestFrom(Device_Address_L, 2);
+    Wire.beginTransmission(Device_Address_L);
+    Wire.requestFrom(Device_Address_L, 2);
   }
   Intensity_value = Wire.read();
   Intensity_value <<= 8;
@@ -70,11 +67,10 @@ BH1750FVI::BH1750FVI(){
   Wire.endTransmission();
   Intensity_value=Intensity_value/1.2;
   return Intensity_value;
-    
-  }
+}
   
-  void BH1750FVI::I2CWriteTo(uint8_t DataToSend){
-    Wire.beginTransmission(address_value);
-    Wire.write(DataToSend);
-    Wire.endTransmission();
-  }
+void BH1750FVI::I2CWriteTo(uint8_t DataToSend){
+  Wire.beginTransmission(address_value);
+  Wire.write(DataToSend);
+  Wire.endTransmission();
+}

arduino/PowerTransmitter/PowerTransmitter/BH1750FVI.h

@@ -21,9 +21,8 @@
 #ifndef BH1750FVI_h
 #define BH1750FVI_h
 
-#include "Arduino.h"
-
-#include "Wire.h"
+#include <Arduino.h>
+#include <Wire.h>
 
 #define Device_Address_L 0x23 // Device address when address pin LOW
 #define Device_Address_H 0x5C // Device address when address pin LOW
@@ -47,22 +46,24 @@
 #define OneTime_L_resolution_Mode  0x23//As well as address value
 
 #define AddrPin 17 // Address pin enable
-  class BH1750FVI {    
-    public:
-    BH1750FVI();
-    void begin(void);
-    void Sleep(void); 
-    void SetMode(uint8_t MODE);
-    void Reset(void);
-    void SetAddress(uint8_t add);
-    uint16_t GetLightIntensity(void);
-    
-    private:
-    void I2CWriteTo(uint8_t DataToSend);  
-    byte address_value;
-    boolean state;
-  };
-  #endif
+
+
+class BH1750FVI {    
+  public:
+  BH1750FVI();
+  void begin(void);
+  void Sleep(void); 
+  void SetMode(uint8_t MODE);
+  void Reset(void);
+  void SetAddress(uint8_t add);
+  uint16_t GetLightIntensity(void);
+  
+  private:
+  void I2CWriteTo(uint8_t DataToSend);  
+  byte address_value;
+  boolean state;
+};
+#endif
 
 
 

arduino/PowerTransmitter/PowerTransmitter/PowerTransmitter.ino

@@ -0,0 +1,293 @@
+/*
+* Protocol: Oregon V2.1
+* Emulating sensor: THGR2228N
+*/
+
+#include <Wire.h>
+#include "BH1750FVI.h"
+
+BH1750FVI LightSensor;
+const byte TX_PIN = 10;
+const byte LED_PIN = 13;
+const unsigned long TIME = 512;
+const unsigned long TWOTIME = TIME*2;
+#define SEND_HIGH() digitalWrite(TX_PIN, HIGH)
+#define SEND_LOW() digitalWrite(TX_PIN, LOW)
+byte OregonMessageBuffer[9];
+unsigned long previousTime = 0;
+unsigned long currentTime = millis();
+int impulseCount = 0;
+
+void setup()
+{
+  Serial.begin(9600);
+  
+  pinMode(TX_PIN, OUTPUT);
+  pinMode(LED_PIN, OUTPUT);
+  SEND_LOW();
+  byte ID[] = { 0x1A,0x2D  };  //temperature/humidity sensor (THGR2228N)
+  setType(OregonMessageBuffer, ID);
+  setChannel(OregonMessageBuffer, 0x20);
+  
+  LightSensor.begin();
+  LightSensor.SetAddress(Device_Address_L);
+  LightSensor.SetMode(Continuous_H_resolution_Mode);
+  Serial.print("Started");
+}
+
+
+boolean light = false;
+void loop()
+{
+  currentTime = millis();
+  uint16_t lux = LightSensor.GetLightIntensity();
+  if(lux > 100 && !light){
+    light = true;
+    impulseCount++;
+  }else if(lux < 100){
+    light = false;
+  }
+  if(currentTime - previousTime > 60000) {
+    previousTime = currentTime;
+    Serial.print("total impulses = ");
+    Serial.println(impulseCount);
+    send433(impulseCount,0,0xBA);
+    impulseCount = 0;
+    delay(500);
+  }
+}
+
+void send433(float temperature, byte humidity, byte Identitet)
+{
+  digitalWrite(LED_PIN, HIGH);
+  setId(OregonMessageBuffer, Identitet); //set id of the sensor, BB=187
+  setBatteryLevel(OregonMessageBuffer, 1); // 0 : low, 1 : high
+  setTemperature(OregonMessageBuffer, temperature); //org setTemperature(OregonMessageBuffer, 55.5);
+  setHumidity(OregonMessageBuffer, humidity);
+  calculateAndSetChecksum(OregonMessageBuffer);
+
+  // Show the Oregon Message
+  for (byte i = 0; i < sizeof(OregonMessageBuffer); ++i) { 
+    Serial.print(OregonMessageBuffer[i] >> 4, HEX);
+    Serial.print(OregonMessageBuffer[i] & 0x0F, HEX);
+  }
+  Serial.println();
+
+  // Send the Message over RF
+  sendOregon(OregonMessageBuffer, sizeof(OregonMessageBuffer));
+  // Send a "pause"
+  SEND_LOW();  
+  delayMicroseconds(TWOTIME*8);
+  // Send a copie of the first message. The v2.1 protocol send the message two time
+  sendOregon(OregonMessageBuffer, sizeof(OregonMessageBuffer));
+  SEND_LOW();
+  digitalWrite(LED_PIN, LOW);
+}
+
+inline void setId(byte *data, byte ID)
+{
+  data[3] = ID;
+}
+
+void setBatteryLevel(byte *data, byte level)
+{
+  if(!level) data[4] = 0x0C;
+  else data[4] = 0x00;
+}
+
+void setTemperature(byte *data, float temp)
+{
+  // Set temperature sign
+  if(temp < 0)
+  {
+    data[6] = 0x08;
+    temp *= -1;
+  }
+  else
+  {
+    data[6] = 0x00;
+  }
+
+  // Determine decimal and float part
+  int tempInt = (int)temp;
+  int td = (int)(tempInt / 10);
+  int tf = (int)round((float)((float)tempInt/10 - (float)td) * 10);
+
+  int tempFloat = (int)round((float)(temp - (float)tempInt) * 10);
+
+  // Set temperature decimal part
+  data[5] = (td << 4);
+  data[5] |= tf;
+
+  // Set temperature float part
+  data[4] |= (tempFloat << 4);
+}
+
+void setHumidity(byte* data, byte hum)
+{
+  data[7] = (hum/10);
+  data[6] |= (hum - data[7]*10) << 4;
+}
+
+void calculateAndSetChecksum(byte* data)
+{
+  int sum = 0;
+  for(byte i = 0; i<8;i++)
+  {
+    sum += (data[i]&0xF0) >> 4;
+    sum += (data[i]&0xF);
+  }
+  data[8] = ((sum - 0xa) & 0xFF);
+}
+
+
+
+
+//*********************************************************************************************************
+
+
+/**
+ * \brief Send logical "0" over RF
+ * \details azero bit be represented by an off-to-on transition
+ * \ of the RF signal at the middle of a clock period.
+ * \ Remenber, the Oregon v2.1 protocol add an inverted bit first
+ */
+inline void sendZero(void)
+{
+  SEND_HIGH();
+  delayMicroseconds(TIME);
+  SEND_LOW();
+  delayMicroseconds(TWOTIME);
+  SEND_HIGH();
+  delayMicroseconds(TIME);
+}
+
+/**
+ * \brief Send logical "1" over RF
+ * \details a one bit be represented by an on-to-off transition
+ * \ of the RF signal at the middle of a clock period.
+ * \ Remenber, the Oregon v2.1 protocol add an inverted bit first
+ */
+inline void sendOne(void)
+{
+  SEND_LOW();
+  delayMicroseconds(TIME);
+  SEND_HIGH();
+  delayMicroseconds(TWOTIME);
+  SEND_LOW();
+  delayMicroseconds(TIME);
+}
+
+/**
+ * \brief Send a bits quarter (4 bits = MSB from 8 bits value) over RF
+ * \param data Data to send
+ */
+inline void sendQuarterMSB(const byte data)
+{
+  (bitRead(data, 4)) ? sendOne() : sendZero();
+  (bitRead(data, 5)) ? sendOne() : sendZero();
+  (bitRead(data, 6)) ? sendOne() : sendZero();
+  (bitRead(data, 7)) ? sendOne() : sendZero();
+}
+
+/**
+ * \brief Send a bits quarter (4 bits = LSB from 8 bits value) over RF
+ * \param data Data to send
+ */
+inline void sendQuarterLSB(const byte data)
+{
+  (bitRead(data, 0)) ? sendOne() : sendZero();
+  (bitRead(data, 1)) ? sendOne() : sendZero();
+  (bitRead(data, 2)) ? sendOne() : sendZero();
+  (bitRead(data, 3)) ? sendOne() : sendZero();
+}
+
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+
+/**
+ * \brief Send a buffer over RF
+ * \param data Data to send
+ * \param size size of data to send
+ */
+void sendData(byte *data, byte size)
+{
+  for(byte i = 0; i < size; ++i)
+  {
+    sendQuarterLSB(data[i]);
+    sendQuarterMSB(data[i]);
+  }
+}
+
+/**
+ * \brief Send an Oregon message
+ * \param data The Oregon message
+ */
+void sendOregon(byte *data, byte size)
+{
+  sendPreamble();
+  //sendSync();
+  sendData(data, size);
+  sendPostamble();
+}
+
+/**
+ * \brief Send preamble
+ * \details The preamble consists of 16 "1" bits
+ */
+inline void sendPreamble(void)
+{
+  byte PREAMBLE[]={ 
+    0xFF,0xFF   };
+  sendData(PREAMBLE, 2);
+}
+
+/**
+ * \brief Send postamble
+ * \details The postamble consists of 8 "0" bits
+ */
+inline void sendPostamble(void)
+{
+  byte POSTAMBLE[]={ 
+    0x00   };
+  sendData(POSTAMBLE, 1);
+}
+
+/**
+ * \brief Send sync nibble
+ * \details The sync is 0xA. It is not use in this version since the sync nibble
+ * \ is include in the Oregon message to send.
+ */
+inline void sendSync(void)
+{
+  sendQuarterLSB(0xA);
+}
+
+/******************************************************************/
+/******************************************************************/
+/******************************************************************/
+
+/**
+ * \brief Set the sensor type
+ * \param data Oregon message
+ * \param type Sensor type
+ */
+inline void setType(byte *data, byte* type)
+{
+  data[0] = type[0];
+  data[1] = type[1];
+}
+
+/**
+ * \brief Set the sensor channel
+ * \param data Oregon message
+ * \param channel Sensor channel (0x10, 0x20, 0x30)
+ */
+inline void setChannel(byte *data, byte channel)
+{
+  data[2] = channel;
+}
+
+
+